diff --git a/dist/index.d.ts.map b/dist/index.d.ts.map
index c56da85..2d57bf3 100644
--- a/dist/index.d.ts.map
+++ b/dist/index.d.ts.map
@@ -1 +1 @@
-{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":"AAQA,OAAO,EAAE,QAAQ,EAAE,MAAM,YAAY,CAAC;AACtC,OAAO,EAAE,OAAO,EAAE,MAAM,WAAW,CAAC;AAUpC,OAAO,EAAE,UAAU,EAAkF,MAAM,QAAQ,CAAC;AAIpH,aAAK,WAAW,GAAG,OAAO,CAAC,QAAQ,CAAC,CAAC;AAErC,OAAO,EAAE,WAAW,EAAE,CAAA;AAEtB,QAAA,MAAM,UAAU,EAAE,UAAU,CAAC,WAAW,CA2XvC,CAAC;AAEF,eAAe,UAAU,CAAC"}
\ No newline at end of file
+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":"AAQA,OAAO,EAAE,QAAQ,EAAE,MAAM,YAAY,CAAC;AACtC,OAAO,EAAE,OAAO,EAAE,MAAM,WAAW,CAAC;AASpC,OAAO,EAAE,UAAU,EAAkF,MAAM,QAAQ,CAAC;AAIpH,aAAK,WAAW,GAAG,OAAO,CAAC,QAAQ,CAAC,CAAC;AAErC,OAAO,EAAE,WAAW,EAAE,CAAA;AAEtB,QAAA,MAAM,UAAU,EAAE,UAAU,CAAC,WAAW,CAwXvC,CAAC;AAEF,eAAe,UAAU,CAAC"}
\ No newline at end of file
diff --git a/dist/rollup-plugin-typescript2.cjs.js b/dist/rollup-plugin-typescript2.cjs.js
index b26af05..f71350e 100644
--- a/dist/rollup-plugin-typescript2.cjs.js
+++ b/dist/rollup-plugin-typescript2.cjs.js
@@ -1,12 +1,12 @@
/* eslint-disable */
'use strict';
-var crypto = require('crypto');
+var require$$0 = require('crypto');
var fsExtra = require('fs-extra');
-var fs = require('fs');
-var require$$0 = require('util');
-var os = require('os');
-var path = require('path');
+var require$$0$1 = require('fs');
+var require$$2 = require('util');
+var require$$0$2 = require('os');
+var require$$0$3 = require('path');
var resolve = require('resolve');
var pluginutils = require('@rollup/pluginutils');
@@ -21,36 +21,31 @@ function _interopNamespace(e) {
var d = Object.getOwnPropertyDescriptor(e, k);
Object.defineProperty(n, k, d.get ? d : {
enumerable: true,
- get: function () {
- return e[k];
- }
+ get: function () { return e[k]; }
});
}
});
}
- n['default'] = e;
+ n["default"] = e;
return Object.freeze(n);
}
-var crypto__default = /*#__PURE__*/_interopDefaultLegacy(crypto);
-var fs__default = /*#__PURE__*/_interopDefaultLegacy(fs);
var require$$0__default = /*#__PURE__*/_interopDefaultLegacy(require$$0);
-var os__default = /*#__PURE__*/_interopDefaultLegacy(os);
-var path__namespace = /*#__PURE__*/_interopNamespace(path);
-var path__default = /*#__PURE__*/_interopDefaultLegacy(path);
+var require$$0__default$3 = /*#__PURE__*/_interopDefaultLegacy(require$$0$1);
+var require$$2__default = /*#__PURE__*/_interopDefaultLegacy(require$$2);
+var require$$0__default$1 = /*#__PURE__*/_interopDefaultLegacy(require$$0$2);
+var require$$0__namespace = /*#__PURE__*/_interopNamespace(require$$0$3);
+var require$$0__default$2 = /*#__PURE__*/_interopDefaultLegacy(require$$0$3);
var resolve__namespace = /*#__PURE__*/_interopNamespace(resolve);
var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
-function createCommonjsModule(fn) {
- var module = { exports: {} };
- return fn(module, module.exports), module.exports;
-}
-
function commonjsRequire (path) {
throw new Error('Could not dynamically require "' + path + '". Please configure the dynamicRequireTargets or/and ignoreDynamicRequires option of @rollup/plugin-commonjs appropriately for this require call to work.');
}
+var lodash$1 = {exports: {}};
+
/**
* @license
* Lodash
@@ -60,7 +55,7 @@ function commonjsRequire (path) {
* Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
*/
-var lodash$1 = createCommonjsModule(function (module, exports) {
+(function (module, exports) {
(function() {
/** Used as a safe reference for `undefined` in pre-ES5 environments. */
@@ -17248,7 +17243,7 @@ var lodash$1 = createCommonjsModule(function (module, exports) {
root._ = _;
}
}.call(commonjsGlobal));
-});
+}(lodash$1, lodash$1.exports));
var VerbosityLevel;
(function (VerbosityLevel) {
@@ -17265,22 +17260,22 @@ class ConsoleContext {
warn(message) {
if (this.verbosity < VerbosityLevel.Warning)
return;
- console.log(`${this.prefix}${lodash$1.isFunction(message) ? message() : message}`);
+ console.log(`${this.prefix}${lodash$1.exports.isFunction(message) ? message() : message}`);
}
error(message) {
if (this.verbosity < VerbosityLevel.Error)
return;
- console.log(`${this.prefix}${lodash$1.isFunction(message) ? message() : message}`);
+ console.log(`${this.prefix}${lodash$1.exports.isFunction(message) ? message() : message}`);
}
info(message) {
if (this.verbosity < VerbosityLevel.Info)
return;
- console.log(`${this.prefix}${lodash$1.isFunction(message) ? message() : message}`);
+ console.log(`${this.prefix}${lodash$1.exports.isFunction(message) ? message() : message}`);
}
debug(message) {
if (this.verbosity < VerbosityLevel.Debug)
return;
- console.log(`${this.prefix}${lodash$1.isFunction(message) ? message() : message}`);
+ console.log(`${this.prefix}${lodash$1.exports.isFunction(message) ? message() : message}`);
}
}
@@ -17291,12 +17286,12 @@ class RollupContext {
this.context = context;
this.prefix = prefix;
this.hasContext = true;
- this.hasContext = lodash$1.isFunction(this.context.warn) && lodash$1.isFunction(this.context.error);
+ this.hasContext = lodash$1.exports.isFunction(this.context.warn) && lodash$1.exports.isFunction(this.context.error);
}
warn(message) {
if (this.verbosity < VerbosityLevel.Warning)
return;
- const text = lodash$1.isFunction(message) ? message() : message;
+ const text = lodash$1.exports.isFunction(message) ? message() : message;
if (this.hasContext)
this.context.warn(`${text}`);
else
@@ -17305,7 +17300,7 @@ class RollupContext {
error(message) {
if (this.verbosity < VerbosityLevel.Error)
return;
- const text = lodash$1.isFunction(message) ? message() : message;
+ const text = lodash$1.exports.isFunction(message) ? message() : message;
if (this.hasContext) {
if (this.bail)
this.context.error(`${text}`);
@@ -17318,13 +17313,13 @@ class RollupContext {
info(message) {
if (this.verbosity < VerbosityLevel.Info)
return;
- const text = lodash$1.isFunction(message) ? message() : message;
+ const text = lodash$1.exports.isFunction(message) ? message() : message;
console.log(`${this.prefix}${text}`);
}
debug(message) {
if (this.verbosity < VerbosityLevel.Debug)
return;
- const text = lodash$1.isFunction(message) ? message() : message;
+ const text = lodash$1.exports.isFunction(message) ? message() : message;
console.log(`${this.prefix}${text}`);
}
}
@@ -17364,7 +17359,7 @@ class LanguageServiceHost {
}
getScriptSnapshot(fileName) {
fileName = normalize(fileName);
- if (lodash$1.has(this.snapshots, fileName))
+ if (lodash$1.exports.has(this.snapshots, fileName))
return this.snapshots[fileName];
const source = tsModule.sys.readFile(fileName);
if (source) {
@@ -17422,11 +17417,11 @@ class LanguageServiceHost {
for (const creator of this.transformers) {
const factory = creator(this.service);
if (factory.before)
- transformer.before = lodash$1.concat(transformer.before, factory.before);
+ transformer.before = lodash$1.exports.concat(transformer.before, factory.before);
if (factory.after)
- transformer.after = lodash$1.concat(transformer.after, factory.after);
+ transformer.after = lodash$1.exports.concat(transformer.after, factory.after);
if (factory.afterDeclarations)
- transformer.afterDeclarations = lodash$1.concat(transformer.afterDeclarations, factory.afterDeclarations);
+ transformer.afterDeclarations = lodash$1.exports.concat(transformer.afterDeclarations, factory.afterDeclarations);
}
return transformer;
}
@@ -17435,4996 +17430,6 @@ class LanguageServiceHost {
}
}
-/**
- * Removes all key-value entries from the list cache.
- *
- * @private
- * @name clear
- * @memberOf ListCache
- */
-function listCacheClear() {
- this.__data__ = [];
- this.size = 0;
-}
-
-var _listCacheClear = listCacheClear;
-
-/**
- * Performs a
- * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
- * comparison between two values to determine if they are equivalent.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to compare.
- * @param {*} other The other value to compare.
- * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
- * @example
- *
- * var object = { 'a': 1 };
- * var other = { 'a': 1 };
- *
- * _.eq(object, object);
- * // => true
- *
- * _.eq(object, other);
- * // => false
- *
- * _.eq('a', 'a');
- * // => true
- *
- * _.eq('a', Object('a'));
- * // => false
- *
- * _.eq(NaN, NaN);
- * // => true
- */
-function eq$1(value, other) {
- return value === other || (value !== value && other !== other);
-}
-
-var eq_1$1 = eq$1;
-
-/**
- * Gets the index at which the `key` is found in `array` of key-value pairs.
- *
- * @private
- * @param {Array} array The array to inspect.
- * @param {*} key The key to search for.
- * @returns {number} Returns the index of the matched value, else `-1`.
- */
-function assocIndexOf(array, key) {
- var length = array.length;
- while (length--) {
- if (eq_1$1(array[length][0], key)) {
- return length;
- }
- }
- return -1;
-}
-
-var _assocIndexOf = assocIndexOf;
-
-/** Used for built-in method references. */
-var arrayProto = Array.prototype;
-
-/** Built-in value references. */
-var splice = arrayProto.splice;
-
-/**
- * Removes `key` and its value from the list cache.
- *
- * @private
- * @name delete
- * @memberOf ListCache
- * @param {string} key The key of the value to remove.
- * @returns {boolean} Returns `true` if the entry was removed, else `false`.
- */
-function listCacheDelete(key) {
- var data = this.__data__,
- index = _assocIndexOf(data, key);
-
- if (index < 0) {
- return false;
- }
- var lastIndex = data.length - 1;
- if (index == lastIndex) {
- data.pop();
- } else {
- splice.call(data, index, 1);
- }
- --this.size;
- return true;
-}
-
-var _listCacheDelete = listCacheDelete;
-
-/**
- * Gets the list cache value for `key`.
- *
- * @private
- * @name get
- * @memberOf ListCache
- * @param {string} key The key of the value to get.
- * @returns {*} Returns the entry value.
- */
-function listCacheGet(key) {
- var data = this.__data__,
- index = _assocIndexOf(data, key);
-
- return index < 0 ? undefined : data[index][1];
-}
-
-var _listCacheGet = listCacheGet;
-
-/**
- * Checks if a list cache value for `key` exists.
- *
- * @private
- * @name has
- * @memberOf ListCache
- * @param {string} key The key of the entry to check.
- * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
- */
-function listCacheHas(key) {
- return _assocIndexOf(this.__data__, key) > -1;
-}
-
-var _listCacheHas = listCacheHas;
-
-/**
- * Sets the list cache `key` to `value`.
- *
- * @private
- * @name set
- * @memberOf ListCache
- * @param {string} key The key of the value to set.
- * @param {*} value The value to set.
- * @returns {Object} Returns the list cache instance.
- */
-function listCacheSet(key, value) {
- var data = this.__data__,
- index = _assocIndexOf(data, key);
-
- if (index < 0) {
- ++this.size;
- data.push([key, value]);
- } else {
- data[index][1] = value;
- }
- return this;
-}
-
-var _listCacheSet = listCacheSet;
-
-/**
- * Creates an list cache object.
- *
- * @private
- * @constructor
- * @param {Array} [entries] The key-value pairs to cache.
- */
-function ListCache(entries) {
- var index = -1,
- length = entries == null ? 0 : entries.length;
-
- this.clear();
- while (++index < length) {
- var entry = entries[index];
- this.set(entry[0], entry[1]);
- }
-}
-
-// Add methods to `ListCache`.
-ListCache.prototype.clear = _listCacheClear;
-ListCache.prototype['delete'] = _listCacheDelete;
-ListCache.prototype.get = _listCacheGet;
-ListCache.prototype.has = _listCacheHas;
-ListCache.prototype.set = _listCacheSet;
-
-var _ListCache = ListCache;
-
-/**
- * Removes all key-value entries from the stack.
- *
- * @private
- * @name clear
- * @memberOf Stack
- */
-function stackClear() {
- this.__data__ = new _ListCache;
- this.size = 0;
-}
-
-var _stackClear = stackClear;
-
-/**
- * Removes `key` and its value from the stack.
- *
- * @private
- * @name delete
- * @memberOf Stack
- * @param {string} key The key of the value to remove.
- * @returns {boolean} Returns `true` if the entry was removed, else `false`.
- */
-function stackDelete(key) {
- var data = this.__data__,
- result = data['delete'](key);
-
- this.size = data.size;
- return result;
-}
-
-var _stackDelete = stackDelete;
-
-/**
- * Gets the stack value for `key`.
- *
- * @private
- * @name get
- * @memberOf Stack
- * @param {string} key The key of the value to get.
- * @returns {*} Returns the entry value.
- */
-function stackGet(key) {
- return this.__data__.get(key);
-}
-
-var _stackGet = stackGet;
-
-/**
- * Checks if a stack value for `key` exists.
- *
- * @private
- * @name has
- * @memberOf Stack
- * @param {string} key The key of the entry to check.
- * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
- */
-function stackHas(key) {
- return this.__data__.has(key);
-}
-
-var _stackHas = stackHas;
-
-/** Detect free variable `global` from Node.js. */
-
-var freeGlobal = typeof commonjsGlobal == 'object' && commonjsGlobal && commonjsGlobal.Object === Object && commonjsGlobal;
-
-var _freeGlobal = freeGlobal;
-
-/** Detect free variable `self`. */
-var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
-
-/** Used as a reference to the global object. */
-var root = _freeGlobal || freeSelf || Function('return this')();
-
-var _root = root;
-
-/** Built-in value references. */
-var Symbol$1 = _root.Symbol;
-
-var _Symbol = Symbol$1;
-
-/** Used for built-in method references. */
-var objectProto$g = Object.prototype;
-
-/** Used to check objects for own properties. */
-var hasOwnProperty$d = objectProto$g.hasOwnProperty;
-
-/**
- * Used to resolve the
- * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
- * of values.
- */
-var nativeObjectToString$1 = objectProto$g.toString;
-
-/** Built-in value references. */
-var symToStringTag$1 = _Symbol ? _Symbol.toStringTag : undefined;
-
-/**
- * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
- *
- * @private
- * @param {*} value The value to query.
- * @returns {string} Returns the raw `toStringTag`.
- */
-function getRawTag(value) {
- var isOwn = hasOwnProperty$d.call(value, symToStringTag$1),
- tag = value[symToStringTag$1];
-
- try {
- value[symToStringTag$1] = undefined;
- var unmasked = true;
- } catch (e) {}
-
- var result = nativeObjectToString$1.call(value);
- if (unmasked) {
- if (isOwn) {
- value[symToStringTag$1] = tag;
- } else {
- delete value[symToStringTag$1];
- }
- }
- return result;
-}
-
-var _getRawTag = getRawTag;
-
-/** Used for built-in method references. */
-var objectProto$f = Object.prototype;
-
-/**
- * Used to resolve the
- * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
- * of values.
- */
-var nativeObjectToString = objectProto$f.toString;
-
-/**
- * Converts `value` to a string using `Object.prototype.toString`.
- *
- * @private
- * @param {*} value The value to convert.
- * @returns {string} Returns the converted string.
- */
-function objectToString(value) {
- return nativeObjectToString.call(value);
-}
-
-var _objectToString = objectToString;
-
-/** `Object#toString` result references. */
-var nullTag = '[object Null]',
- undefinedTag = '[object Undefined]';
-
-/** Built-in value references. */
-var symToStringTag = _Symbol ? _Symbol.toStringTag : undefined;
-
-/**
- * The base implementation of `getTag` without fallbacks for buggy environments.
- *
- * @private
- * @param {*} value The value to query.
- * @returns {string} Returns the `toStringTag`.
- */
-function baseGetTag(value) {
- if (value == null) {
- return value === undefined ? undefinedTag : nullTag;
- }
- return (symToStringTag && symToStringTag in Object(value))
- ? _getRawTag(value)
- : _objectToString(value);
-}
-
-var _baseGetTag = baseGetTag;
-
-/**
- * Checks if `value` is the
- * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
- * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is an object, else `false`.
- * @example
- *
- * _.isObject({});
- * // => true
- *
- * _.isObject([1, 2, 3]);
- * // => true
- *
- * _.isObject(_.noop);
- * // => true
- *
- * _.isObject(null);
- * // => false
- */
-function isObject(value) {
- var type = typeof value;
- return value != null && (type == 'object' || type == 'function');
-}
-
-var isObject_1 = isObject;
-
-/** `Object#toString` result references. */
-var asyncTag = '[object AsyncFunction]',
- funcTag$2 = '[object Function]',
- genTag$1 = '[object GeneratorFunction]',
- proxyTag = '[object Proxy]';
-
-/**
- * Checks if `value` is classified as a `Function` object.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a function, else `false`.
- * @example
- *
- * _.isFunction(_);
- * // => true
- *
- * _.isFunction(/abc/);
- * // => false
- */
-function isFunction(value) {
- if (!isObject_1(value)) {
- return false;
- }
- // The use of `Object#toString` avoids issues with the `typeof` operator
- // in Safari 9 which returns 'object' for typed arrays and other constructors.
- var tag = _baseGetTag(value);
- return tag == funcTag$2 || tag == genTag$1 || tag == asyncTag || tag == proxyTag;
-}
-
-var isFunction_1 = isFunction;
-
-/** Used to detect overreaching core-js shims. */
-var coreJsData = _root['__core-js_shared__'];
-
-var _coreJsData = coreJsData;
-
-/** Used to detect methods masquerading as native. */
-var maskSrcKey = (function() {
- var uid = /[^.]+$/.exec(_coreJsData && _coreJsData.keys && _coreJsData.keys.IE_PROTO || '');
- return uid ? ('Symbol(src)_1.' + uid) : '';
-}());
-
-/**
- * Checks if `func` has its source masked.
- *
- * @private
- * @param {Function} func The function to check.
- * @returns {boolean} Returns `true` if `func` is masked, else `false`.
- */
-function isMasked(func) {
- return !!maskSrcKey && (maskSrcKey in func);
-}
-
-var _isMasked = isMasked;
-
-/** Used for built-in method references. */
-var funcProto$1 = Function.prototype;
-
-/** Used to resolve the decompiled source of functions. */
-var funcToString$1 = funcProto$1.toString;
-
-/**
- * Converts `func` to its source code.
- *
- * @private
- * @param {Function} func The function to convert.
- * @returns {string} Returns the source code.
- */
-function toSource(func) {
- if (func != null) {
- try {
- return funcToString$1.call(func);
- } catch (e) {}
- try {
- return (func + '');
- } catch (e) {}
- }
- return '';
-}
-
-var _toSource = toSource;
-
-/**
- * Used to match `RegExp`
- * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
- */
-var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
-
-/** Used to detect host constructors (Safari). */
-var reIsHostCtor = /^\[object .+?Constructor\]$/;
-
-/** Used for built-in method references. */
-var funcProto = Function.prototype,
- objectProto$e = Object.prototype;
-
-/** Used to resolve the decompiled source of functions. */
-var funcToString = funcProto.toString;
-
-/** Used to check objects for own properties. */
-var hasOwnProperty$c = objectProto$e.hasOwnProperty;
-
-/** Used to detect if a method is native. */
-var reIsNative = RegExp('^' +
- funcToString.call(hasOwnProperty$c).replace(reRegExpChar, '\\$&')
- .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
-);
-
-/**
- * The base implementation of `_.isNative` without bad shim checks.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a native function,
- * else `false`.
- */
-function baseIsNative(value) {
- if (!isObject_1(value) || _isMasked(value)) {
- return false;
- }
- var pattern = isFunction_1(value) ? reIsNative : reIsHostCtor;
- return pattern.test(_toSource(value));
-}
-
-var _baseIsNative = baseIsNative;
-
-/**
- * Gets the value at `key` of `object`.
- *
- * @private
- * @param {Object} [object] The object to query.
- * @param {string} key The key of the property to get.
- * @returns {*} Returns the property value.
- */
-function getValue(object, key) {
- return object == null ? undefined : object[key];
-}
-
-var _getValue = getValue;
-
-/**
- * Gets the native function at `key` of `object`.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {string} key The key of the method to get.
- * @returns {*} Returns the function if it's native, else `undefined`.
- */
-function getNative(object, key) {
- var value = _getValue(object, key);
- return _baseIsNative(value) ? value : undefined;
-}
-
-var _getNative = getNative;
-
-/* Built-in method references that are verified to be native. */
-var Map$1 = _getNative(_root, 'Map');
-
-var _Map = Map$1;
-
-/* Built-in method references that are verified to be native. */
-var nativeCreate = _getNative(Object, 'create');
-
-var _nativeCreate = nativeCreate;
-
-/**
- * Removes all key-value entries from the hash.
- *
- * @private
- * @name clear
- * @memberOf Hash
- */
-function hashClear() {
- this.__data__ = _nativeCreate ? _nativeCreate(null) : {};
- this.size = 0;
-}
-
-var _hashClear = hashClear;
-
-/**
- * Removes `key` and its value from the hash.
- *
- * @private
- * @name delete
- * @memberOf Hash
- * @param {Object} hash The hash to modify.
- * @param {string} key The key of the value to remove.
- * @returns {boolean} Returns `true` if the entry was removed, else `false`.
- */
-function hashDelete(key) {
- var result = this.has(key) && delete this.__data__[key];
- this.size -= result ? 1 : 0;
- return result;
-}
-
-var _hashDelete = hashDelete;
-
-/** Used to stand-in for `undefined` hash values. */
-var HASH_UNDEFINED$2 = '__lodash_hash_undefined__';
-
-/** Used for built-in method references. */
-var objectProto$d = Object.prototype;
-
-/** Used to check objects for own properties. */
-var hasOwnProperty$b = objectProto$d.hasOwnProperty;
-
-/**
- * Gets the hash value for `key`.
- *
- * @private
- * @name get
- * @memberOf Hash
- * @param {string} key The key of the value to get.
- * @returns {*} Returns the entry value.
- */
-function hashGet(key) {
- var data = this.__data__;
- if (_nativeCreate) {
- var result = data[key];
- return result === HASH_UNDEFINED$2 ? undefined : result;
- }
- return hasOwnProperty$b.call(data, key) ? data[key] : undefined;
-}
-
-var _hashGet = hashGet;
-
-/** Used for built-in method references. */
-var objectProto$c = Object.prototype;
-
-/** Used to check objects for own properties. */
-var hasOwnProperty$a = objectProto$c.hasOwnProperty;
-
-/**
- * Checks if a hash value for `key` exists.
- *
- * @private
- * @name has
- * @memberOf Hash
- * @param {string} key The key of the entry to check.
- * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
- */
-function hashHas(key) {
- var data = this.__data__;
- return _nativeCreate ? (data[key] !== undefined) : hasOwnProperty$a.call(data, key);
-}
-
-var _hashHas = hashHas;
-
-/** Used to stand-in for `undefined` hash values. */
-var HASH_UNDEFINED$1 = '__lodash_hash_undefined__';
-
-/**
- * Sets the hash `key` to `value`.
- *
- * @private
- * @name set
- * @memberOf Hash
- * @param {string} key The key of the value to set.
- * @param {*} value The value to set.
- * @returns {Object} Returns the hash instance.
- */
-function hashSet(key, value) {
- var data = this.__data__;
- this.size += this.has(key) ? 0 : 1;
- data[key] = (_nativeCreate && value === undefined) ? HASH_UNDEFINED$1 : value;
- return this;
-}
-
-var _hashSet = hashSet;
-
-/**
- * Creates a hash object.
- *
- * @private
- * @constructor
- * @param {Array} [entries] The key-value pairs to cache.
- */
-function Hash(entries) {
- var index = -1,
- length = entries == null ? 0 : entries.length;
-
- this.clear();
- while (++index < length) {
- var entry = entries[index];
- this.set(entry[0], entry[1]);
- }
-}
-
-// Add methods to `Hash`.
-Hash.prototype.clear = _hashClear;
-Hash.prototype['delete'] = _hashDelete;
-Hash.prototype.get = _hashGet;
-Hash.prototype.has = _hashHas;
-Hash.prototype.set = _hashSet;
-
-var _Hash = Hash;
-
-/**
- * Removes all key-value entries from the map.
- *
- * @private
- * @name clear
- * @memberOf MapCache
- */
-function mapCacheClear() {
- this.size = 0;
- this.__data__ = {
- 'hash': new _Hash,
- 'map': new (_Map || _ListCache),
- 'string': new _Hash
- };
-}
-
-var _mapCacheClear = mapCacheClear;
-
-/**
- * Checks if `value` is suitable for use as unique object key.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
- */
-function isKeyable(value) {
- var type = typeof value;
- return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
- ? (value !== '__proto__')
- : (value === null);
-}
-
-var _isKeyable = isKeyable;
-
-/**
- * Gets the data for `map`.
- *
- * @private
- * @param {Object} map The map to query.
- * @param {string} key The reference key.
- * @returns {*} Returns the map data.
- */
-function getMapData(map, key) {
- var data = map.__data__;
- return _isKeyable(key)
- ? data[typeof key == 'string' ? 'string' : 'hash']
- : data.map;
-}
-
-var _getMapData = getMapData;
-
-/**
- * Removes `key` and its value from the map.
- *
- * @private
- * @name delete
- * @memberOf MapCache
- * @param {string} key The key of the value to remove.
- * @returns {boolean} Returns `true` if the entry was removed, else `false`.
- */
-function mapCacheDelete(key) {
- var result = _getMapData(this, key)['delete'](key);
- this.size -= result ? 1 : 0;
- return result;
-}
-
-var _mapCacheDelete = mapCacheDelete;
-
-/**
- * Gets the map value for `key`.
- *
- * @private
- * @name get
- * @memberOf MapCache
- * @param {string} key The key of the value to get.
- * @returns {*} Returns the entry value.
- */
-function mapCacheGet(key) {
- return _getMapData(this, key).get(key);
-}
-
-var _mapCacheGet = mapCacheGet;
-
-/**
- * Checks if a map value for `key` exists.
- *
- * @private
- * @name has
- * @memberOf MapCache
- * @param {string} key The key of the entry to check.
- * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
- */
-function mapCacheHas(key) {
- return _getMapData(this, key).has(key);
-}
-
-var _mapCacheHas = mapCacheHas;
-
-/**
- * Sets the map `key` to `value`.
- *
- * @private
- * @name set
- * @memberOf MapCache
- * @param {string} key The key of the value to set.
- * @param {*} value The value to set.
- * @returns {Object} Returns the map cache instance.
- */
-function mapCacheSet(key, value) {
- var data = _getMapData(this, key),
- size = data.size;
-
- data.set(key, value);
- this.size += data.size == size ? 0 : 1;
- return this;
-}
-
-var _mapCacheSet = mapCacheSet;
-
-/**
- * Creates a map cache object to store key-value pairs.
- *
- * @private
- * @constructor
- * @param {Array} [entries] The key-value pairs to cache.
- */
-function MapCache(entries) {
- var index = -1,
- length = entries == null ? 0 : entries.length;
-
- this.clear();
- while (++index < length) {
- var entry = entries[index];
- this.set(entry[0], entry[1]);
- }
-}
-
-// Add methods to `MapCache`.
-MapCache.prototype.clear = _mapCacheClear;
-MapCache.prototype['delete'] = _mapCacheDelete;
-MapCache.prototype.get = _mapCacheGet;
-MapCache.prototype.has = _mapCacheHas;
-MapCache.prototype.set = _mapCacheSet;
-
-var _MapCache = MapCache;
-
-/** Used as the size to enable large array optimizations. */
-var LARGE_ARRAY_SIZE$1 = 200;
-
-/**
- * Sets the stack `key` to `value`.
- *
- * @private
- * @name set
- * @memberOf Stack
- * @param {string} key The key of the value to set.
- * @param {*} value The value to set.
- * @returns {Object} Returns the stack cache instance.
- */
-function stackSet(key, value) {
- var data = this.__data__;
- if (data instanceof _ListCache) {
- var pairs = data.__data__;
- if (!_Map || (pairs.length < LARGE_ARRAY_SIZE$1 - 1)) {
- pairs.push([key, value]);
- this.size = ++data.size;
- return this;
- }
- data = this.__data__ = new _MapCache(pairs);
- }
- data.set(key, value);
- this.size = data.size;
- return this;
-}
-
-var _stackSet = stackSet;
-
-/**
- * Creates a stack cache object to store key-value pairs.
- *
- * @private
- * @constructor
- * @param {Array} [entries] The key-value pairs to cache.
- */
-function Stack(entries) {
- var data = this.__data__ = new _ListCache(entries);
- this.size = data.size;
-}
-
-// Add methods to `Stack`.
-Stack.prototype.clear = _stackClear;
-Stack.prototype['delete'] = _stackDelete;
-Stack.prototype.get = _stackGet;
-Stack.prototype.has = _stackHas;
-Stack.prototype.set = _stackSet;
-
-var _Stack = Stack;
-
-/**
- * A specialized version of `_.forEach` for arrays without support for
- * iteratee shorthands.
- *
- * @private
- * @param {Array} [array] The array to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Array} Returns `array`.
- */
-function arrayEach(array, iteratee) {
- var index = -1,
- length = array == null ? 0 : array.length;
-
- while (++index < length) {
- if (iteratee(array[index], index, array) === false) {
- break;
- }
- }
- return array;
-}
-
-var _arrayEach = arrayEach;
-
-var defineProperty = (function() {
- try {
- var func = _getNative(Object, 'defineProperty');
- func({}, '', {});
- return func;
- } catch (e) {}
-}());
-
-var _defineProperty = defineProperty;
-
-/**
- * The base implementation of `assignValue` and `assignMergeValue` without
- * value checks.
- *
- * @private
- * @param {Object} object The object to modify.
- * @param {string} key The key of the property to assign.
- * @param {*} value The value to assign.
- */
-function baseAssignValue(object, key, value) {
- if (key == '__proto__' && _defineProperty) {
- _defineProperty(object, key, {
- 'configurable': true,
- 'enumerable': true,
- 'value': value,
- 'writable': true
- });
- } else {
- object[key] = value;
- }
-}
-
-var _baseAssignValue = baseAssignValue;
-
-/** Used for built-in method references. */
-var objectProto$b = Object.prototype;
-
-/** Used to check objects for own properties. */
-var hasOwnProperty$9 = objectProto$b.hasOwnProperty;
-
-/**
- * Assigns `value` to `key` of `object` if the existing value is not equivalent
- * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
- * for equality comparisons.
- *
- * @private
- * @param {Object} object The object to modify.
- * @param {string} key The key of the property to assign.
- * @param {*} value The value to assign.
- */
-function assignValue(object, key, value) {
- var objValue = object[key];
- if (!(hasOwnProperty$9.call(object, key) && eq_1$1(objValue, value)) ||
- (value === undefined && !(key in object))) {
- _baseAssignValue(object, key, value);
- }
-}
-
-var _assignValue = assignValue;
-
-/**
- * Copies properties of `source` to `object`.
- *
- * @private
- * @param {Object} source The object to copy properties from.
- * @param {Array} props The property identifiers to copy.
- * @param {Object} [object={}] The object to copy properties to.
- * @param {Function} [customizer] The function to customize copied values.
- * @returns {Object} Returns `object`.
- */
-function copyObject(source, props, object, customizer) {
- var isNew = !object;
- object || (object = {});
-
- var index = -1,
- length = props.length;
-
- while (++index < length) {
- var key = props[index];
-
- var newValue = customizer
- ? customizer(object[key], source[key], key, object, source)
- : undefined;
-
- if (newValue === undefined) {
- newValue = source[key];
- }
- if (isNew) {
- _baseAssignValue(object, key, newValue);
- } else {
- _assignValue(object, key, newValue);
- }
- }
- return object;
-}
-
-var _copyObject = copyObject;
-
-/**
- * The base implementation of `_.times` without support for iteratee shorthands
- * or max array length checks.
- *
- * @private
- * @param {number} n The number of times to invoke `iteratee`.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Array} Returns the array of results.
- */
-function baseTimes(n, iteratee) {
- var index = -1,
- result = Array(n);
-
- while (++index < n) {
- result[index] = iteratee(index);
- }
- return result;
-}
-
-var _baseTimes = baseTimes;
-
-/**
- * Checks if `value` is object-like. A value is object-like if it's not `null`
- * and has a `typeof` result of "object".
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
- * @example
- *
- * _.isObjectLike({});
- * // => true
- *
- * _.isObjectLike([1, 2, 3]);
- * // => true
- *
- * _.isObjectLike(_.noop);
- * // => false
- *
- * _.isObjectLike(null);
- * // => false
- */
-function isObjectLike(value) {
- return value != null && typeof value == 'object';
-}
-
-var isObjectLike_1 = isObjectLike;
-
-/** `Object#toString` result references. */
-var argsTag$3 = '[object Arguments]';
-
-/**
- * The base implementation of `_.isArguments`.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is an `arguments` object,
- */
-function baseIsArguments(value) {
- return isObjectLike_1(value) && _baseGetTag(value) == argsTag$3;
-}
-
-var _baseIsArguments = baseIsArguments;
-
-/** Used for built-in method references. */
-var objectProto$a = Object.prototype;
-
-/** Used to check objects for own properties. */
-var hasOwnProperty$8 = objectProto$a.hasOwnProperty;
-
-/** Built-in value references. */
-var propertyIsEnumerable$1 = objectProto$a.propertyIsEnumerable;
-
-/**
- * Checks if `value` is likely an `arguments` object.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is an `arguments` object,
- * else `false`.
- * @example
- *
- * _.isArguments(function() { return arguments; }());
- * // => true
- *
- * _.isArguments([1, 2, 3]);
- * // => false
- */
-var isArguments = _baseIsArguments(function() { return arguments; }()) ? _baseIsArguments : function(value) {
- return isObjectLike_1(value) && hasOwnProperty$8.call(value, 'callee') &&
- !propertyIsEnumerable$1.call(value, 'callee');
-};
-
-var isArguments_1 = isArguments;
-
-/**
- * Checks if `value` is classified as an `Array` object.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is an array, else `false`.
- * @example
- *
- * _.isArray([1, 2, 3]);
- * // => true
- *
- * _.isArray(document.body.children);
- * // => false
- *
- * _.isArray('abc');
- * // => false
- *
- * _.isArray(_.noop);
- * // => false
- */
-var isArray = Array.isArray;
-
-var isArray_1 = isArray;
-
-/**
- * This method returns `false`.
- *
- * @static
- * @memberOf _
- * @since 4.13.0
- * @category Util
- * @returns {boolean} Returns `false`.
- * @example
- *
- * _.times(2, _.stubFalse);
- * // => [false, false]
- */
-function stubFalse() {
- return false;
-}
-
-var stubFalse_1 = stubFalse;
-
-var isBuffer_1 = createCommonjsModule(function (module, exports) {
-/** Detect free variable `exports`. */
-var freeExports = exports && !exports.nodeType && exports;
-
-/** Detect free variable `module`. */
-var freeModule = freeExports && 'object' == 'object' && module && !module.nodeType && module;
-
-/** Detect the popular CommonJS extension `module.exports`. */
-var moduleExports = freeModule && freeModule.exports === freeExports;
-
-/** Built-in value references. */
-var Buffer = moduleExports ? _root.Buffer : undefined;
-
-/* Built-in method references for those with the same name as other `lodash` methods. */
-var nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined;
-
-/**
- * Checks if `value` is a buffer.
- *
- * @static
- * @memberOf _
- * @since 4.3.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.
- * @example
- *
- * _.isBuffer(new Buffer(2));
- * // => true
- *
- * _.isBuffer(new Uint8Array(2));
- * // => false
- */
-var isBuffer = nativeIsBuffer || stubFalse_1;
-
-module.exports = isBuffer;
-});
-
-/** Used as references for various `Number` constants. */
-var MAX_SAFE_INTEGER$3 = 9007199254740991;
-
-/** Used to detect unsigned integer values. */
-var reIsUint = /^(?:0|[1-9]\d*)$/;
-
-/**
- * Checks if `value` is a valid array-like index.
- *
- * @private
- * @param {*} value The value to check.
- * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
- * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
- */
-function isIndex(value, length) {
- var type = typeof value;
- length = length == null ? MAX_SAFE_INTEGER$3 : length;
-
- return !!length &&
- (type == 'number' ||
- (type != 'symbol' && reIsUint.test(value))) &&
- (value > -1 && value % 1 == 0 && value < length);
-}
-
-var _isIndex = isIndex;
-
-/** Used as references for various `Number` constants. */
-var MAX_SAFE_INTEGER$2 = 9007199254740991;
-
-/**
- * Checks if `value` is a valid array-like length.
- *
- * **Note:** This method is loosely based on
- * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
- * @example
- *
- * _.isLength(3);
- * // => true
- *
- * _.isLength(Number.MIN_VALUE);
- * // => false
- *
- * _.isLength(Infinity);
- * // => false
- *
- * _.isLength('3');
- * // => false
- */
-function isLength(value) {
- return typeof value == 'number' &&
- value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER$2;
-}
-
-var isLength_1 = isLength;
-
-/** `Object#toString` result references. */
-var argsTag$2 = '[object Arguments]',
- arrayTag$2 = '[object Array]',
- boolTag$3 = '[object Boolean]',
- dateTag$3 = '[object Date]',
- errorTag$2 = '[object Error]',
- funcTag$1 = '[object Function]',
- mapTag$7 = '[object Map]',
- numberTag$3 = '[object Number]',
- objectTag$3 = '[object Object]',
- regexpTag$3 = '[object RegExp]',
- setTag$7 = '[object Set]',
- stringTag$4 = '[object String]',
- weakMapTag$2 = '[object WeakMap]';
-
-var arrayBufferTag$3 = '[object ArrayBuffer]',
- dataViewTag$4 = '[object DataView]',
- float32Tag$2 = '[object Float32Array]',
- float64Tag$2 = '[object Float64Array]',
- int8Tag$2 = '[object Int8Array]',
- int16Tag$2 = '[object Int16Array]',
- int32Tag$2 = '[object Int32Array]',
- uint8Tag$2 = '[object Uint8Array]',
- uint8ClampedTag$2 = '[object Uint8ClampedArray]',
- uint16Tag$2 = '[object Uint16Array]',
- uint32Tag$2 = '[object Uint32Array]';
-
-/** Used to identify `toStringTag` values of typed arrays. */
-var typedArrayTags = {};
-typedArrayTags[float32Tag$2] = typedArrayTags[float64Tag$2] =
-typedArrayTags[int8Tag$2] = typedArrayTags[int16Tag$2] =
-typedArrayTags[int32Tag$2] = typedArrayTags[uint8Tag$2] =
-typedArrayTags[uint8ClampedTag$2] = typedArrayTags[uint16Tag$2] =
-typedArrayTags[uint32Tag$2] = true;
-typedArrayTags[argsTag$2] = typedArrayTags[arrayTag$2] =
-typedArrayTags[arrayBufferTag$3] = typedArrayTags[boolTag$3] =
-typedArrayTags[dataViewTag$4] = typedArrayTags[dateTag$3] =
-typedArrayTags[errorTag$2] = typedArrayTags[funcTag$1] =
-typedArrayTags[mapTag$7] = typedArrayTags[numberTag$3] =
-typedArrayTags[objectTag$3] = typedArrayTags[regexpTag$3] =
-typedArrayTags[setTag$7] = typedArrayTags[stringTag$4] =
-typedArrayTags[weakMapTag$2] = false;
-
-/**
- * The base implementation of `_.isTypedArray` without Node.js optimizations.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
- */
-function baseIsTypedArray(value) {
- return isObjectLike_1(value) &&
- isLength_1(value.length) && !!typedArrayTags[_baseGetTag(value)];
-}
-
-var _baseIsTypedArray = baseIsTypedArray;
-
-/**
- * The base implementation of `_.unary` without support for storing metadata.
- *
- * @private
- * @param {Function} func The function to cap arguments for.
- * @returns {Function} Returns the new capped function.
- */
-function baseUnary(func) {
- return function(value) {
- return func(value);
- };
-}
-
-var _baseUnary = baseUnary;
-
-var _nodeUtil = createCommonjsModule(function (module, exports) {
-/** Detect free variable `exports`. */
-var freeExports = exports && !exports.nodeType && exports;
-
-/** Detect free variable `module`. */
-var freeModule = freeExports && 'object' == 'object' && module && !module.nodeType && module;
-
-/** Detect the popular CommonJS extension `module.exports`. */
-var moduleExports = freeModule && freeModule.exports === freeExports;
-
-/** Detect free variable `process` from Node.js. */
-var freeProcess = moduleExports && _freeGlobal.process;
-
-/** Used to access faster Node.js helpers. */
-var nodeUtil = (function() {
- try {
- // Use `util.types` for Node.js 10+.
- var types = freeModule && freeModule.require && freeModule.require('util').types;
-
- if (types) {
- return types;
- }
-
- // Legacy `process.binding('util')` for Node.js < 10.
- return freeProcess && freeProcess.binding && freeProcess.binding('util');
- } catch (e) {}
-}());
-
-module.exports = nodeUtil;
-});
-
-/* Node.js helper references. */
-var nodeIsTypedArray = _nodeUtil && _nodeUtil.isTypedArray;
-
-/**
- * Checks if `value` is classified as a typed array.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
- * @example
- *
- * _.isTypedArray(new Uint8Array);
- * // => true
- *
- * _.isTypedArray([]);
- * // => false
- */
-var isTypedArray = nodeIsTypedArray ? _baseUnary(nodeIsTypedArray) : _baseIsTypedArray;
-
-var isTypedArray_1 = isTypedArray;
-
-/** Used for built-in method references. */
-var objectProto$9 = Object.prototype;
-
-/** Used to check objects for own properties. */
-var hasOwnProperty$7 = objectProto$9.hasOwnProperty;
-
-/**
- * Creates an array of the enumerable property names of the array-like `value`.
- *
- * @private
- * @param {*} value The value to query.
- * @param {boolean} inherited Specify returning inherited property names.
- * @returns {Array} Returns the array of property names.
- */
-function arrayLikeKeys(value, inherited) {
- var isArr = isArray_1(value),
- isArg = !isArr && isArguments_1(value),
- isBuff = !isArr && !isArg && isBuffer_1(value),
- isType = !isArr && !isArg && !isBuff && isTypedArray_1(value),
- skipIndexes = isArr || isArg || isBuff || isType,
- result = skipIndexes ? _baseTimes(value.length, String) : [],
- length = result.length;
-
- for (var key in value) {
- if ((inherited || hasOwnProperty$7.call(value, key)) &&
- !(skipIndexes && (
- // Safari 9 has enumerable `arguments.length` in strict mode.
- key == 'length' ||
- // Node.js 0.10 has enumerable non-index properties on buffers.
- (isBuff && (key == 'offset' || key == 'parent')) ||
- // PhantomJS 2 has enumerable non-index properties on typed arrays.
- (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
- // Skip index properties.
- _isIndex(key, length)
- ))) {
- result.push(key);
- }
- }
- return result;
-}
-
-var _arrayLikeKeys = arrayLikeKeys;
-
-/** Used for built-in method references. */
-var objectProto$8 = Object.prototype;
-
-/**
- * Checks if `value` is likely a prototype object.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
- */
-function isPrototype(value) {
- var Ctor = value && value.constructor,
- proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto$8;
-
- return value === proto;
-}
-
-var _isPrototype = isPrototype;
-
-/**
- * Creates a unary function that invokes `func` with its argument transformed.
- *
- * @private
- * @param {Function} func The function to wrap.
- * @param {Function} transform The argument transform.
- * @returns {Function} Returns the new function.
- */
-function overArg(func, transform) {
- return function(arg) {
- return func(transform(arg));
- };
-}
-
-var _overArg = overArg;
-
-/* Built-in method references for those with the same name as other `lodash` methods. */
-var nativeKeys = _overArg(Object.keys, Object);
-
-var _nativeKeys = nativeKeys;
-
-/** Used for built-in method references. */
-var objectProto$7 = Object.prototype;
-
-/** Used to check objects for own properties. */
-var hasOwnProperty$6 = objectProto$7.hasOwnProperty;
-
-/**
- * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property names.
- */
-function baseKeys(object) {
- if (!_isPrototype(object)) {
- return _nativeKeys(object);
- }
- var result = [];
- for (var key in Object(object)) {
- if (hasOwnProperty$6.call(object, key) && key != 'constructor') {
- result.push(key);
- }
- }
- return result;
-}
-
-var _baseKeys = baseKeys;
-
-/**
- * Checks if `value` is array-like. A value is considered array-like if it's
- * not a function and has a `value.length` that's an integer greater than or
- * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
- * @example
- *
- * _.isArrayLike([1, 2, 3]);
- * // => true
- *
- * _.isArrayLike(document.body.children);
- * // => true
- *
- * _.isArrayLike('abc');
- * // => true
- *
- * _.isArrayLike(_.noop);
- * // => false
- */
-function isArrayLike(value) {
- return value != null && isLength_1(value.length) && !isFunction_1(value);
-}
-
-var isArrayLike_1 = isArrayLike;
-
-/**
- * Creates an array of the own enumerable property names of `object`.
- *
- * **Note:** Non-object values are coerced to objects. See the
- * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
- * for more details.
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category Object
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property names.
- * @example
- *
- * function Foo() {
- * this.a = 1;
- * this.b = 2;
- * }
- *
- * Foo.prototype.c = 3;
- *
- * _.keys(new Foo);
- * // => ['a', 'b'] (iteration order is not guaranteed)
- *
- * _.keys('hi');
- * // => ['0', '1']
- */
-function keys(object) {
- return isArrayLike_1(object) ? _arrayLikeKeys(object) : _baseKeys(object);
-}
-
-var keys_1 = keys;
-
-/**
- * The base implementation of `_.assign` without support for multiple sources
- * or `customizer` functions.
- *
- * @private
- * @param {Object} object The destination object.
- * @param {Object} source The source object.
- * @returns {Object} Returns `object`.
- */
-function baseAssign(object, source) {
- return object && _copyObject(source, keys_1(source), object);
-}
-
-var _baseAssign = baseAssign;
-
-/**
- * This function is like
- * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
- * except that it includes inherited enumerable properties.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property names.
- */
-function nativeKeysIn(object) {
- var result = [];
- if (object != null) {
- for (var key in Object(object)) {
- result.push(key);
- }
- }
- return result;
-}
-
-var _nativeKeysIn = nativeKeysIn;
-
-/** Used for built-in method references. */
-var objectProto$6 = Object.prototype;
-
-/** Used to check objects for own properties. */
-var hasOwnProperty$5 = objectProto$6.hasOwnProperty;
-
-/**
- * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property names.
- */
-function baseKeysIn(object) {
- if (!isObject_1(object)) {
- return _nativeKeysIn(object);
- }
- var isProto = _isPrototype(object),
- result = [];
-
- for (var key in object) {
- if (!(key == 'constructor' && (isProto || !hasOwnProperty$5.call(object, key)))) {
- result.push(key);
- }
- }
- return result;
-}
-
-var _baseKeysIn = baseKeysIn;
-
-/**
- * Creates an array of the own and inherited enumerable property names of `object`.
- *
- * **Note:** Non-object values are coerced to objects.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Object
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property names.
- * @example
- *
- * function Foo() {
- * this.a = 1;
- * this.b = 2;
- * }
- *
- * Foo.prototype.c = 3;
- *
- * _.keysIn(new Foo);
- * // => ['a', 'b', 'c'] (iteration order is not guaranteed)
- */
-function keysIn(object) {
- return isArrayLike_1(object) ? _arrayLikeKeys(object, true) : _baseKeysIn(object);
-}
-
-var keysIn_1 = keysIn;
-
-/**
- * The base implementation of `_.assignIn` without support for multiple sources
- * or `customizer` functions.
- *
- * @private
- * @param {Object} object The destination object.
- * @param {Object} source The source object.
- * @returns {Object} Returns `object`.
- */
-function baseAssignIn(object, source) {
- return object && _copyObject(source, keysIn_1(source), object);
-}
-
-var _baseAssignIn = baseAssignIn;
-
-var _cloneBuffer = createCommonjsModule(function (module, exports) {
-/** Detect free variable `exports`. */
-var freeExports = exports && !exports.nodeType && exports;
-
-/** Detect free variable `module`. */
-var freeModule = freeExports && 'object' == 'object' && module && !module.nodeType && module;
-
-/** Detect the popular CommonJS extension `module.exports`. */
-var moduleExports = freeModule && freeModule.exports === freeExports;
-
-/** Built-in value references. */
-var Buffer = moduleExports ? _root.Buffer : undefined,
- allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined;
-
-/**
- * Creates a clone of `buffer`.
- *
- * @private
- * @param {Buffer} buffer The buffer to clone.
- * @param {boolean} [isDeep] Specify a deep clone.
- * @returns {Buffer} Returns the cloned buffer.
- */
-function cloneBuffer(buffer, isDeep) {
- if (isDeep) {
- return buffer.slice();
- }
- var length = buffer.length,
- result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);
-
- buffer.copy(result);
- return result;
-}
-
-module.exports = cloneBuffer;
-});
-
-/**
- * Copies the values of `source` to `array`.
- *
- * @private
- * @param {Array} source The array to copy values from.
- * @param {Array} [array=[]] The array to copy values to.
- * @returns {Array} Returns `array`.
- */
-function copyArray(source, array) {
- var index = -1,
- length = source.length;
-
- array || (array = Array(length));
- while (++index < length) {
- array[index] = source[index];
- }
- return array;
-}
-
-var _copyArray = copyArray;
-
-/**
- * A specialized version of `_.filter` for arrays without support for
- * iteratee shorthands.
- *
- * @private
- * @param {Array} [array] The array to iterate over.
- * @param {Function} predicate The function invoked per iteration.
- * @returns {Array} Returns the new filtered array.
- */
-function arrayFilter(array, predicate) {
- var index = -1,
- length = array == null ? 0 : array.length,
- resIndex = 0,
- result = [];
-
- while (++index < length) {
- var value = array[index];
- if (predicate(value, index, array)) {
- result[resIndex++] = value;
- }
- }
- return result;
-}
-
-var _arrayFilter = arrayFilter;
-
-/**
- * This method returns a new empty array.
- *
- * @static
- * @memberOf _
- * @since 4.13.0
- * @category Util
- * @returns {Array} Returns the new empty array.
- * @example
- *
- * var arrays = _.times(2, _.stubArray);
- *
- * console.log(arrays);
- * // => [[], []]
- *
- * console.log(arrays[0] === arrays[1]);
- * // => false
- */
-function stubArray() {
- return [];
-}
-
-var stubArray_1 = stubArray;
-
-/** Used for built-in method references. */
-var objectProto$5 = Object.prototype;
-
-/** Built-in value references. */
-var propertyIsEnumerable = objectProto$5.propertyIsEnumerable;
-
-/* Built-in method references for those with the same name as other `lodash` methods. */
-var nativeGetSymbols$1 = Object.getOwnPropertySymbols;
-
-/**
- * Creates an array of the own enumerable symbols of `object`.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of symbols.
- */
-var getSymbols = !nativeGetSymbols$1 ? stubArray_1 : function(object) {
- if (object == null) {
- return [];
- }
- object = Object(object);
- return _arrayFilter(nativeGetSymbols$1(object), function(symbol) {
- return propertyIsEnumerable.call(object, symbol);
- });
-};
-
-var _getSymbols = getSymbols;
-
-/**
- * Copies own symbols of `source` to `object`.
- *
- * @private
- * @param {Object} source The object to copy symbols from.
- * @param {Object} [object={}] The object to copy symbols to.
- * @returns {Object} Returns `object`.
- */
-function copySymbols(source, object) {
- return _copyObject(source, _getSymbols(source), object);
-}
-
-var _copySymbols = copySymbols;
-
-/**
- * Appends the elements of `values` to `array`.
- *
- * @private
- * @param {Array} array The array to modify.
- * @param {Array} values The values to append.
- * @returns {Array} Returns `array`.
- */
-function arrayPush(array, values) {
- var index = -1,
- length = values.length,
- offset = array.length;
-
- while (++index < length) {
- array[offset + index] = values[index];
- }
- return array;
-}
-
-var _arrayPush = arrayPush;
-
-/** Built-in value references. */
-var getPrototype = _overArg(Object.getPrototypeOf, Object);
-
-var _getPrototype = getPrototype;
-
-/* Built-in method references for those with the same name as other `lodash` methods. */
-var nativeGetSymbols = Object.getOwnPropertySymbols;
-
-/**
- * Creates an array of the own and inherited enumerable symbols of `object`.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of symbols.
- */
-var getSymbolsIn = !nativeGetSymbols ? stubArray_1 : function(object) {
- var result = [];
- while (object) {
- _arrayPush(result, _getSymbols(object));
- object = _getPrototype(object);
- }
- return result;
-};
-
-var _getSymbolsIn = getSymbolsIn;
-
-/**
- * Copies own and inherited symbols of `source` to `object`.
- *
- * @private
- * @param {Object} source The object to copy symbols from.
- * @param {Object} [object={}] The object to copy symbols to.
- * @returns {Object} Returns `object`.
- */
-function copySymbolsIn(source, object) {
- return _copyObject(source, _getSymbolsIn(source), object);
-}
-
-var _copySymbolsIn = copySymbolsIn;
-
-/**
- * The base implementation of `getAllKeys` and `getAllKeysIn` which uses
- * `keysFunc` and `symbolsFunc` to get the enumerable property names and
- * symbols of `object`.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Function} keysFunc The function to get the keys of `object`.
- * @param {Function} symbolsFunc The function to get the symbols of `object`.
- * @returns {Array} Returns the array of property names and symbols.
- */
-function baseGetAllKeys(object, keysFunc, symbolsFunc) {
- var result = keysFunc(object);
- return isArray_1(object) ? result : _arrayPush(result, symbolsFunc(object));
-}
-
-var _baseGetAllKeys = baseGetAllKeys;
-
-/**
- * Creates an array of own enumerable property names and symbols of `object`.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property names and symbols.
- */
-function getAllKeys(object) {
- return _baseGetAllKeys(object, keys_1, _getSymbols);
-}
-
-var _getAllKeys = getAllKeys;
-
-/**
- * Creates an array of own and inherited enumerable property names and
- * symbols of `object`.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property names and symbols.
- */
-function getAllKeysIn(object) {
- return _baseGetAllKeys(object, keysIn_1, _getSymbolsIn);
-}
-
-var _getAllKeysIn = getAllKeysIn;
-
-/* Built-in method references that are verified to be native. */
-var DataView = _getNative(_root, 'DataView');
-
-var _DataView = DataView;
-
-/* Built-in method references that are verified to be native. */
-var Promise$1 = _getNative(_root, 'Promise');
-
-var _Promise = Promise$1;
-
-/* Built-in method references that are verified to be native. */
-var Set$1 = _getNative(_root, 'Set');
-
-var _Set = Set$1;
-
-/* Built-in method references that are verified to be native. */
-var WeakMap = _getNative(_root, 'WeakMap');
-
-var _WeakMap = WeakMap;
-
-/** `Object#toString` result references. */
-var mapTag$6 = '[object Map]',
- objectTag$2 = '[object Object]',
- promiseTag = '[object Promise]',
- setTag$6 = '[object Set]',
- weakMapTag$1 = '[object WeakMap]';
-
-var dataViewTag$3 = '[object DataView]';
-
-/** Used to detect maps, sets, and weakmaps. */
-var dataViewCtorString = _toSource(_DataView),
- mapCtorString = _toSource(_Map),
- promiseCtorString = _toSource(_Promise),
- setCtorString = _toSource(_Set),
- weakMapCtorString = _toSource(_WeakMap);
-
-/**
- * Gets the `toStringTag` of `value`.
- *
- * @private
- * @param {*} value The value to query.
- * @returns {string} Returns the `toStringTag`.
- */
-var getTag = _baseGetTag;
-
-// Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.
-if ((_DataView && getTag(new _DataView(new ArrayBuffer(1))) != dataViewTag$3) ||
- (_Map && getTag(new _Map) != mapTag$6) ||
- (_Promise && getTag(_Promise.resolve()) != promiseTag) ||
- (_Set && getTag(new _Set) != setTag$6) ||
- (_WeakMap && getTag(new _WeakMap) != weakMapTag$1)) {
- getTag = function(value) {
- var result = _baseGetTag(value),
- Ctor = result == objectTag$2 ? value.constructor : undefined,
- ctorString = Ctor ? _toSource(Ctor) : '';
-
- if (ctorString) {
- switch (ctorString) {
- case dataViewCtorString: return dataViewTag$3;
- case mapCtorString: return mapTag$6;
- case promiseCtorString: return promiseTag;
- case setCtorString: return setTag$6;
- case weakMapCtorString: return weakMapTag$1;
- }
- }
- return result;
- };
-}
-
-var _getTag = getTag;
-
-/** Used for built-in method references. */
-var objectProto$4 = Object.prototype;
-
-/** Used to check objects for own properties. */
-var hasOwnProperty$4 = objectProto$4.hasOwnProperty;
-
-/**
- * Initializes an array clone.
- *
- * @private
- * @param {Array} array The array to clone.
- * @returns {Array} Returns the initialized clone.
- */
-function initCloneArray(array) {
- var length = array.length,
- result = new array.constructor(length);
-
- // Add properties assigned by `RegExp#exec`.
- if (length && typeof array[0] == 'string' && hasOwnProperty$4.call(array, 'index')) {
- result.index = array.index;
- result.input = array.input;
- }
- return result;
-}
-
-var _initCloneArray = initCloneArray;
-
-/** Built-in value references. */
-var Uint8Array$1 = _root.Uint8Array;
-
-var _Uint8Array = Uint8Array$1;
-
-/**
- * Creates a clone of `arrayBuffer`.
- *
- * @private
- * @param {ArrayBuffer} arrayBuffer The array buffer to clone.
- * @returns {ArrayBuffer} Returns the cloned array buffer.
- */
-function cloneArrayBuffer(arrayBuffer) {
- var result = new arrayBuffer.constructor(arrayBuffer.byteLength);
- new _Uint8Array(result).set(new _Uint8Array(arrayBuffer));
- return result;
-}
-
-var _cloneArrayBuffer = cloneArrayBuffer;
-
-/**
- * Creates a clone of `dataView`.
- *
- * @private
- * @param {Object} dataView The data view to clone.
- * @param {boolean} [isDeep] Specify a deep clone.
- * @returns {Object} Returns the cloned data view.
- */
-function cloneDataView(dataView, isDeep) {
- var buffer = isDeep ? _cloneArrayBuffer(dataView.buffer) : dataView.buffer;
- return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);
-}
-
-var _cloneDataView = cloneDataView;
-
-/** Used to match `RegExp` flags from their coerced string values. */
-var reFlags = /\w*$/;
-
-/**
- * Creates a clone of `regexp`.
- *
- * @private
- * @param {Object} regexp The regexp to clone.
- * @returns {Object} Returns the cloned regexp.
- */
-function cloneRegExp(regexp) {
- var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));
- result.lastIndex = regexp.lastIndex;
- return result;
-}
-
-var _cloneRegExp = cloneRegExp;
-
-/** Used to convert symbols to primitives and strings. */
-var symbolProto$2 = _Symbol ? _Symbol.prototype : undefined,
- symbolValueOf$1 = symbolProto$2 ? symbolProto$2.valueOf : undefined;
-
-/**
- * Creates a clone of the `symbol` object.
- *
- * @private
- * @param {Object} symbol The symbol object to clone.
- * @returns {Object} Returns the cloned symbol object.
- */
-function cloneSymbol(symbol) {
- return symbolValueOf$1 ? Object(symbolValueOf$1.call(symbol)) : {};
-}
-
-var _cloneSymbol = cloneSymbol;
-
-/**
- * Creates a clone of `typedArray`.
- *
- * @private
- * @param {Object} typedArray The typed array to clone.
- * @param {boolean} [isDeep] Specify a deep clone.
- * @returns {Object} Returns the cloned typed array.
- */
-function cloneTypedArray(typedArray, isDeep) {
- var buffer = isDeep ? _cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;
- return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);
-}
-
-var _cloneTypedArray = cloneTypedArray;
-
-/** `Object#toString` result references. */
-var boolTag$2 = '[object Boolean]',
- dateTag$2 = '[object Date]',
- mapTag$5 = '[object Map]',
- numberTag$2 = '[object Number]',
- regexpTag$2 = '[object RegExp]',
- setTag$5 = '[object Set]',
- stringTag$3 = '[object String]',
- symbolTag$3 = '[object Symbol]';
-
-var arrayBufferTag$2 = '[object ArrayBuffer]',
- dataViewTag$2 = '[object DataView]',
- float32Tag$1 = '[object Float32Array]',
- float64Tag$1 = '[object Float64Array]',
- int8Tag$1 = '[object Int8Array]',
- int16Tag$1 = '[object Int16Array]',
- int32Tag$1 = '[object Int32Array]',
- uint8Tag$1 = '[object Uint8Array]',
- uint8ClampedTag$1 = '[object Uint8ClampedArray]',
- uint16Tag$1 = '[object Uint16Array]',
- uint32Tag$1 = '[object Uint32Array]';
-
-/**
- * Initializes an object clone based on its `toStringTag`.
- *
- * **Note:** This function only supports cloning values with tags of
- * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.
- *
- * @private
- * @param {Object} object The object to clone.
- * @param {string} tag The `toStringTag` of the object to clone.
- * @param {boolean} [isDeep] Specify a deep clone.
- * @returns {Object} Returns the initialized clone.
- */
-function initCloneByTag(object, tag, isDeep) {
- var Ctor = object.constructor;
- switch (tag) {
- case arrayBufferTag$2:
- return _cloneArrayBuffer(object);
-
- case boolTag$2:
- case dateTag$2:
- return new Ctor(+object);
-
- case dataViewTag$2:
- return _cloneDataView(object, isDeep);
-
- case float32Tag$1: case float64Tag$1:
- case int8Tag$1: case int16Tag$1: case int32Tag$1:
- case uint8Tag$1: case uint8ClampedTag$1: case uint16Tag$1: case uint32Tag$1:
- return _cloneTypedArray(object, isDeep);
-
- case mapTag$5:
- return new Ctor;
-
- case numberTag$2:
- case stringTag$3:
- return new Ctor(object);
-
- case regexpTag$2:
- return _cloneRegExp(object);
-
- case setTag$5:
- return new Ctor;
-
- case symbolTag$3:
- return _cloneSymbol(object);
- }
-}
-
-var _initCloneByTag = initCloneByTag;
-
-/** Built-in value references. */
-var objectCreate = Object.create;
-
-/**
- * The base implementation of `_.create` without support for assigning
- * properties to the created object.
- *
- * @private
- * @param {Object} proto The object to inherit from.
- * @returns {Object} Returns the new object.
- */
-var baseCreate = (function() {
- function object() {}
- return function(proto) {
- if (!isObject_1(proto)) {
- return {};
- }
- if (objectCreate) {
- return objectCreate(proto);
- }
- object.prototype = proto;
- var result = new object;
- object.prototype = undefined;
- return result;
- };
-}());
-
-var _baseCreate = baseCreate;
-
-/**
- * Initializes an object clone.
- *
- * @private
- * @param {Object} object The object to clone.
- * @returns {Object} Returns the initialized clone.
- */
-function initCloneObject(object) {
- return (typeof object.constructor == 'function' && !_isPrototype(object))
- ? _baseCreate(_getPrototype(object))
- : {};
-}
-
-var _initCloneObject = initCloneObject;
-
-/** `Object#toString` result references. */
-var mapTag$4 = '[object Map]';
-
-/**
- * The base implementation of `_.isMap` without Node.js optimizations.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a map, else `false`.
- */
-function baseIsMap(value) {
- return isObjectLike_1(value) && _getTag(value) == mapTag$4;
-}
-
-var _baseIsMap = baseIsMap;
-
-/* Node.js helper references. */
-var nodeIsMap = _nodeUtil && _nodeUtil.isMap;
-
-/**
- * Checks if `value` is classified as a `Map` object.
- *
- * @static
- * @memberOf _
- * @since 4.3.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a map, else `false`.
- * @example
- *
- * _.isMap(new Map);
- * // => true
- *
- * _.isMap(new WeakMap);
- * // => false
- */
-var isMap = nodeIsMap ? _baseUnary(nodeIsMap) : _baseIsMap;
-
-var isMap_1 = isMap;
-
-/** `Object#toString` result references. */
-var setTag$4 = '[object Set]';
-
-/**
- * The base implementation of `_.isSet` without Node.js optimizations.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a set, else `false`.
- */
-function baseIsSet(value) {
- return isObjectLike_1(value) && _getTag(value) == setTag$4;
-}
-
-var _baseIsSet = baseIsSet;
-
-/* Node.js helper references. */
-var nodeIsSet = _nodeUtil && _nodeUtil.isSet;
-
-/**
- * Checks if `value` is classified as a `Set` object.
- *
- * @static
- * @memberOf _
- * @since 4.3.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a set, else `false`.
- * @example
- *
- * _.isSet(new Set);
- * // => true
- *
- * _.isSet(new WeakSet);
- * // => false
- */
-var isSet = nodeIsSet ? _baseUnary(nodeIsSet) : _baseIsSet;
-
-var isSet_1 = isSet;
-
-/** Used to compose bitmasks for cloning. */
-var CLONE_DEEP_FLAG = 1,
- CLONE_FLAT_FLAG = 2,
- CLONE_SYMBOLS_FLAG$1 = 4;
-
-/** `Object#toString` result references. */
-var argsTag$1 = '[object Arguments]',
- arrayTag$1 = '[object Array]',
- boolTag$1 = '[object Boolean]',
- dateTag$1 = '[object Date]',
- errorTag$1 = '[object Error]',
- funcTag = '[object Function]',
- genTag = '[object GeneratorFunction]',
- mapTag$3 = '[object Map]',
- numberTag$1 = '[object Number]',
- objectTag$1 = '[object Object]',
- regexpTag$1 = '[object RegExp]',
- setTag$3 = '[object Set]',
- stringTag$2 = '[object String]',
- symbolTag$2 = '[object Symbol]',
- weakMapTag = '[object WeakMap]';
-
-var arrayBufferTag$1 = '[object ArrayBuffer]',
- dataViewTag$1 = '[object DataView]',
- float32Tag = '[object Float32Array]',
- float64Tag = '[object Float64Array]',
- int8Tag = '[object Int8Array]',
- int16Tag = '[object Int16Array]',
- int32Tag = '[object Int32Array]',
- uint8Tag = '[object Uint8Array]',
- uint8ClampedTag = '[object Uint8ClampedArray]',
- uint16Tag = '[object Uint16Array]',
- uint32Tag = '[object Uint32Array]';
-
-/** Used to identify `toStringTag` values supported by `_.clone`. */
-var cloneableTags = {};
-cloneableTags[argsTag$1] = cloneableTags[arrayTag$1] =
-cloneableTags[arrayBufferTag$1] = cloneableTags[dataViewTag$1] =
-cloneableTags[boolTag$1] = cloneableTags[dateTag$1] =
-cloneableTags[float32Tag] = cloneableTags[float64Tag] =
-cloneableTags[int8Tag] = cloneableTags[int16Tag] =
-cloneableTags[int32Tag] = cloneableTags[mapTag$3] =
-cloneableTags[numberTag$1] = cloneableTags[objectTag$1] =
-cloneableTags[regexpTag$1] = cloneableTags[setTag$3] =
-cloneableTags[stringTag$2] = cloneableTags[symbolTag$2] =
-cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =
-cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;
-cloneableTags[errorTag$1] = cloneableTags[funcTag] =
-cloneableTags[weakMapTag] = false;
-
-/**
- * The base implementation of `_.clone` and `_.cloneDeep` which tracks
- * traversed objects.
- *
- * @private
- * @param {*} value The value to clone.
- * @param {boolean} bitmask The bitmask flags.
- * 1 - Deep clone
- * 2 - Flatten inherited properties
- * 4 - Clone symbols
- * @param {Function} [customizer] The function to customize cloning.
- * @param {string} [key] The key of `value`.
- * @param {Object} [object] The parent object of `value`.
- * @param {Object} [stack] Tracks traversed objects and their clone counterparts.
- * @returns {*} Returns the cloned value.
- */
-function baseClone(value, bitmask, customizer, key, object, stack) {
- var result,
- isDeep = bitmask & CLONE_DEEP_FLAG,
- isFlat = bitmask & CLONE_FLAT_FLAG,
- isFull = bitmask & CLONE_SYMBOLS_FLAG$1;
-
- if (customizer) {
- result = object ? customizer(value, key, object, stack) : customizer(value);
- }
- if (result !== undefined) {
- return result;
- }
- if (!isObject_1(value)) {
- return value;
- }
- var isArr = isArray_1(value);
- if (isArr) {
- result = _initCloneArray(value);
- if (!isDeep) {
- return _copyArray(value, result);
- }
- } else {
- var tag = _getTag(value),
- isFunc = tag == funcTag || tag == genTag;
-
- if (isBuffer_1(value)) {
- return _cloneBuffer(value, isDeep);
- }
- if (tag == objectTag$1 || tag == argsTag$1 || (isFunc && !object)) {
- result = (isFlat || isFunc) ? {} : _initCloneObject(value);
- if (!isDeep) {
- return isFlat
- ? _copySymbolsIn(value, _baseAssignIn(result, value))
- : _copySymbols(value, _baseAssign(result, value));
- }
- } else {
- if (!cloneableTags[tag]) {
- return object ? value : {};
- }
- result = _initCloneByTag(value, tag, isDeep);
- }
- }
- // Check for circular references and return its corresponding clone.
- stack || (stack = new _Stack);
- var stacked = stack.get(value);
- if (stacked) {
- return stacked;
- }
- stack.set(value, result);
-
- if (isSet_1(value)) {
- value.forEach(function(subValue) {
- result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));
- });
- } else if (isMap_1(value)) {
- value.forEach(function(subValue, key) {
- result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));
- });
- }
-
- var keysFunc = isFull
- ? (isFlat ? _getAllKeysIn : _getAllKeys)
- : (isFlat ? keysIn_1 : keys_1);
-
- var props = isArr ? undefined : keysFunc(value);
- _arrayEach(props || value, function(subValue, key) {
- if (props) {
- key = subValue;
- subValue = value[key];
- }
- // Recursively populate clone (susceptible to call stack limits).
- _assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));
- });
- return result;
-}
-
-var _baseClone = baseClone;
-
-/** Used to compose bitmasks for cloning. */
-var CLONE_SYMBOLS_FLAG = 4;
-
-/**
- * Creates a shallow clone of `value`.
- *
- * **Note:** This method is loosely based on the
- * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)
- * and supports cloning arrays, array buffers, booleans, date objects, maps,
- * numbers, `Object` objects, regexes, sets, strings, symbols, and typed
- * arrays. The own enumerable properties of `arguments` objects are cloned
- * as plain objects. An empty object is returned for uncloneable values such
- * as error objects, functions, DOM nodes, and WeakMaps.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to clone.
- * @returns {*} Returns the cloned value.
- * @see _.cloneDeep
- * @example
- *
- * var objects = [{ 'a': 1 }, { 'b': 2 }];
- *
- * var shallow = _.clone(objects);
- * console.log(shallow[0] === objects[0]);
- * // => true
- */
-function clone(value) {
- return _baseClone(value, CLONE_SYMBOLS_FLAG);
-}
-
-var clone_1 = clone;
-
-/**
- * Creates a function that returns `value`.
- *
- * @static
- * @memberOf _
- * @since 2.4.0
- * @category Util
- * @param {*} value The value to return from the new function.
- * @returns {Function} Returns the new constant function.
- * @example
- *
- * var objects = _.times(2, _.constant({ 'a': 1 }));
- *
- * console.log(objects);
- * // => [{ 'a': 1 }, { 'a': 1 }]
- *
- * console.log(objects[0] === objects[1]);
- * // => true
- */
-function constant(value) {
- return function() {
- return value;
- };
-}
-
-var constant_1 = constant;
-
-/**
- * Creates a base function for methods like `_.forIn` and `_.forOwn`.
- *
- * @private
- * @param {boolean} [fromRight] Specify iterating from right to left.
- * @returns {Function} Returns the new base function.
- */
-function createBaseFor(fromRight) {
- return function(object, iteratee, keysFunc) {
- var index = -1,
- iterable = Object(object),
- props = keysFunc(object),
- length = props.length;
-
- while (length--) {
- var key = props[fromRight ? length : ++index];
- if (iteratee(iterable[key], key, iterable) === false) {
- break;
- }
- }
- return object;
- };
-}
-
-var _createBaseFor = createBaseFor;
-
-/**
- * The base implementation of `baseForOwn` which iterates over `object`
- * properties returned by `keysFunc` and invokes `iteratee` for each property.
- * Iteratee functions may exit iteration early by explicitly returning `false`.
- *
- * @private
- * @param {Object} object The object to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @param {Function} keysFunc The function to get the keys of `object`.
- * @returns {Object} Returns `object`.
- */
-var baseFor = _createBaseFor();
-
-var _baseFor = baseFor;
-
-/**
- * The base implementation of `_.forOwn` without support for iteratee shorthands.
- *
- * @private
- * @param {Object} object The object to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Object} Returns `object`.
- */
-function baseForOwn(object, iteratee) {
- return object && _baseFor(object, iteratee, keys_1);
-}
-
-var _baseForOwn = baseForOwn;
-
-/**
- * Creates a `baseEach` or `baseEachRight` function.
- *
- * @private
- * @param {Function} eachFunc The function to iterate over a collection.
- * @param {boolean} [fromRight] Specify iterating from right to left.
- * @returns {Function} Returns the new base function.
- */
-function createBaseEach(eachFunc, fromRight) {
- return function(collection, iteratee) {
- if (collection == null) {
- return collection;
- }
- if (!isArrayLike_1(collection)) {
- return eachFunc(collection, iteratee);
- }
- var length = collection.length,
- index = fromRight ? length : -1,
- iterable = Object(collection);
-
- while ((fromRight ? index-- : ++index < length)) {
- if (iteratee(iterable[index], index, iterable) === false) {
- break;
- }
- }
- return collection;
- };
-}
-
-var _createBaseEach = createBaseEach;
-
-/**
- * The base implementation of `_.forEach` without support for iteratee shorthands.
- *
- * @private
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Array|Object} Returns `collection`.
- */
-var baseEach = _createBaseEach(_baseForOwn);
-
-var _baseEach = baseEach;
-
-/**
- * This method returns the first argument it receives.
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category Util
- * @param {*} value Any value.
- * @returns {*} Returns `value`.
- * @example
- *
- * var object = { 'a': 1 };
- *
- * console.log(_.identity(object) === object);
- * // => true
- */
-function identity(value) {
- return value;
-}
-
-var identity_1 = identity;
-
-/**
- * Casts `value` to `identity` if it's not a function.
- *
- * @private
- * @param {*} value The value to inspect.
- * @returns {Function} Returns cast function.
- */
-function castFunction(value) {
- return typeof value == 'function' ? value : identity_1;
-}
-
-var _castFunction = castFunction;
-
-/**
- * Iterates over elements of `collection` and invokes `iteratee` for each element.
- * The iteratee is invoked with three arguments: (value, index|key, collection).
- * Iteratee functions may exit iteration early by explicitly returning `false`.
- *
- * **Note:** As with other "Collections" methods, objects with a "length"
- * property are iterated like arrays. To avoid this behavior use `_.forIn`
- * or `_.forOwn` for object iteration.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @alias each
- * @category Collection
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} [iteratee=_.identity] The function invoked per iteration.
- * @returns {Array|Object} Returns `collection`.
- * @see _.forEachRight
- * @example
- *
- * _.forEach([1, 2], function(value) {
- * console.log(value);
- * });
- * // => Logs `1` then `2`.
- *
- * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {
- * console.log(key);
- * });
- * // => Logs 'a' then 'b' (iteration order is not guaranteed).
- */
-function forEach(collection, iteratee) {
- var func = isArray_1(collection) ? _arrayEach : _baseEach;
- return func(collection, _castFunction(iteratee));
-}
-
-var forEach_1 = forEach;
-
-var each = forEach_1;
-
-/**
- * The base implementation of `_.filter` without support for iteratee shorthands.
- *
- * @private
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} predicate The function invoked per iteration.
- * @returns {Array} Returns the new filtered array.
- */
-function baseFilter(collection, predicate) {
- var result = [];
- _baseEach(collection, function(value, index, collection) {
- if (predicate(value, index, collection)) {
- result.push(value);
- }
- });
- return result;
-}
-
-var _baseFilter = baseFilter;
-
-/** Used to stand-in for `undefined` hash values. */
-var HASH_UNDEFINED = '__lodash_hash_undefined__';
-
-/**
- * Adds `value` to the array cache.
- *
- * @private
- * @name add
- * @memberOf SetCache
- * @alias push
- * @param {*} value The value to cache.
- * @returns {Object} Returns the cache instance.
- */
-function setCacheAdd(value) {
- this.__data__.set(value, HASH_UNDEFINED);
- return this;
-}
-
-var _setCacheAdd = setCacheAdd;
-
-/**
- * Checks if `value` is in the array cache.
- *
- * @private
- * @name has
- * @memberOf SetCache
- * @param {*} value The value to search for.
- * @returns {number} Returns `true` if `value` is found, else `false`.
- */
-function setCacheHas(value) {
- return this.__data__.has(value);
-}
-
-var _setCacheHas = setCacheHas;
-
-/**
- *
- * Creates an array cache object to store unique values.
- *
- * @private
- * @constructor
- * @param {Array} [values] The values to cache.
- */
-function SetCache(values) {
- var index = -1,
- length = values == null ? 0 : values.length;
-
- this.__data__ = new _MapCache;
- while (++index < length) {
- this.add(values[index]);
- }
-}
-
-// Add methods to `SetCache`.
-SetCache.prototype.add = SetCache.prototype.push = _setCacheAdd;
-SetCache.prototype.has = _setCacheHas;
-
-var _SetCache = SetCache;
-
-/**
- * A specialized version of `_.some` for arrays without support for iteratee
- * shorthands.
- *
- * @private
- * @param {Array} [array] The array to iterate over.
- * @param {Function} predicate The function invoked per iteration.
- * @returns {boolean} Returns `true` if any element passes the predicate check,
- * else `false`.
- */
-function arraySome(array, predicate) {
- var index = -1,
- length = array == null ? 0 : array.length;
-
- while (++index < length) {
- if (predicate(array[index], index, array)) {
- return true;
- }
- }
- return false;
-}
-
-var _arraySome = arraySome;
-
-/**
- * Checks if a `cache` value for `key` exists.
- *
- * @private
- * @param {Object} cache The cache to query.
- * @param {string} key The key of the entry to check.
- * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
- */
-function cacheHas(cache, key) {
- return cache.has(key);
-}
-
-var _cacheHas = cacheHas;
-
-/** Used to compose bitmasks for value comparisons. */
-var COMPARE_PARTIAL_FLAG$5 = 1,
- COMPARE_UNORDERED_FLAG$3 = 2;
-
-/**
- * A specialized version of `baseIsEqualDeep` for arrays with support for
- * partial deep comparisons.
- *
- * @private
- * @param {Array} array The array to compare.
- * @param {Array} other The other array to compare.
- * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
- * @param {Function} customizer The function to customize comparisons.
- * @param {Function} equalFunc The function to determine equivalents of values.
- * @param {Object} stack Tracks traversed `array` and `other` objects.
- * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
- */
-function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {
- var isPartial = bitmask & COMPARE_PARTIAL_FLAG$5,
- arrLength = array.length,
- othLength = other.length;
-
- if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
- return false;
- }
- // Check that cyclic values are equal.
- var arrStacked = stack.get(array);
- var othStacked = stack.get(other);
- if (arrStacked && othStacked) {
- return arrStacked == other && othStacked == array;
- }
- var index = -1,
- result = true,
- seen = (bitmask & COMPARE_UNORDERED_FLAG$3) ? new _SetCache : undefined;
-
- stack.set(array, other);
- stack.set(other, array);
-
- // Ignore non-index properties.
- while (++index < arrLength) {
- var arrValue = array[index],
- othValue = other[index];
-
- if (customizer) {
- var compared = isPartial
- ? customizer(othValue, arrValue, index, other, array, stack)
- : customizer(arrValue, othValue, index, array, other, stack);
- }
- if (compared !== undefined) {
- if (compared) {
- continue;
- }
- result = false;
- break;
- }
- // Recursively compare arrays (susceptible to call stack limits).
- if (seen) {
- if (!_arraySome(other, function(othValue, othIndex) {
- if (!_cacheHas(seen, othIndex) &&
- (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {
- return seen.push(othIndex);
- }
- })) {
- result = false;
- break;
- }
- } else if (!(
- arrValue === othValue ||
- equalFunc(arrValue, othValue, bitmask, customizer, stack)
- )) {
- result = false;
- break;
- }
- }
- stack['delete'](array);
- stack['delete'](other);
- return result;
-}
-
-var _equalArrays = equalArrays;
-
-/**
- * Converts `map` to its key-value pairs.
- *
- * @private
- * @param {Object} map The map to convert.
- * @returns {Array} Returns the key-value pairs.
- */
-function mapToArray(map) {
- var index = -1,
- result = Array(map.size);
-
- map.forEach(function(value, key) {
- result[++index] = [key, value];
- });
- return result;
-}
-
-var _mapToArray = mapToArray;
-
-/**
- * Converts `set` to an array of its values.
- *
- * @private
- * @param {Object} set The set to convert.
- * @returns {Array} Returns the values.
- */
-function setToArray(set) {
- var index = -1,
- result = Array(set.size);
-
- set.forEach(function(value) {
- result[++index] = value;
- });
- return result;
-}
-
-var _setToArray = setToArray;
-
-/** Used to compose bitmasks for value comparisons. */
-var COMPARE_PARTIAL_FLAG$4 = 1,
- COMPARE_UNORDERED_FLAG$2 = 2;
-
-/** `Object#toString` result references. */
-var boolTag = '[object Boolean]',
- dateTag = '[object Date]',
- errorTag = '[object Error]',
- mapTag$2 = '[object Map]',
- numberTag = '[object Number]',
- regexpTag = '[object RegExp]',
- setTag$2 = '[object Set]',
- stringTag$1 = '[object String]',
- symbolTag$1 = '[object Symbol]';
-
-var arrayBufferTag = '[object ArrayBuffer]',
- dataViewTag = '[object DataView]';
-
-/** Used to convert symbols to primitives and strings. */
-var symbolProto$1 = _Symbol ? _Symbol.prototype : undefined,
- symbolValueOf = symbolProto$1 ? symbolProto$1.valueOf : undefined;
-
-/**
- * A specialized version of `baseIsEqualDeep` for comparing objects of
- * the same `toStringTag`.
- *
- * **Note:** This function only supports comparing values with tags of
- * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
- *
- * @private
- * @param {Object} object The object to compare.
- * @param {Object} other The other object to compare.
- * @param {string} tag The `toStringTag` of the objects to compare.
- * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
- * @param {Function} customizer The function to customize comparisons.
- * @param {Function} equalFunc The function to determine equivalents of values.
- * @param {Object} stack Tracks traversed `object` and `other` objects.
- * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
- */
-function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {
- switch (tag) {
- case dataViewTag:
- if ((object.byteLength != other.byteLength) ||
- (object.byteOffset != other.byteOffset)) {
- return false;
- }
- object = object.buffer;
- other = other.buffer;
-
- case arrayBufferTag:
- if ((object.byteLength != other.byteLength) ||
- !equalFunc(new _Uint8Array(object), new _Uint8Array(other))) {
- return false;
- }
- return true;
-
- case boolTag:
- case dateTag:
- case numberTag:
- // Coerce booleans to `1` or `0` and dates to milliseconds.
- // Invalid dates are coerced to `NaN`.
- return eq_1$1(+object, +other);
-
- case errorTag:
- return object.name == other.name && object.message == other.message;
-
- case regexpTag:
- case stringTag$1:
- // Coerce regexes to strings and treat strings, primitives and objects,
- // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring
- // for more details.
- return object == (other + '');
-
- case mapTag$2:
- var convert = _mapToArray;
-
- case setTag$2:
- var isPartial = bitmask & COMPARE_PARTIAL_FLAG$4;
- convert || (convert = _setToArray);
-
- if (object.size != other.size && !isPartial) {
- return false;
- }
- // Assume cyclic values are equal.
- var stacked = stack.get(object);
- if (stacked) {
- return stacked == other;
- }
- bitmask |= COMPARE_UNORDERED_FLAG$2;
-
- // Recursively compare objects (susceptible to call stack limits).
- stack.set(object, other);
- var result = _equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);
- stack['delete'](object);
- return result;
-
- case symbolTag$1:
- if (symbolValueOf) {
- return symbolValueOf.call(object) == symbolValueOf.call(other);
- }
- }
- return false;
-}
-
-var _equalByTag = equalByTag;
-
-/** Used to compose bitmasks for value comparisons. */
-var COMPARE_PARTIAL_FLAG$3 = 1;
-
-/** Used for built-in method references. */
-var objectProto$3 = Object.prototype;
-
-/** Used to check objects for own properties. */
-var hasOwnProperty$3 = objectProto$3.hasOwnProperty;
-
-/**
- * A specialized version of `baseIsEqualDeep` for objects with support for
- * partial deep comparisons.
- *
- * @private
- * @param {Object} object The object to compare.
- * @param {Object} other The other object to compare.
- * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
- * @param {Function} customizer The function to customize comparisons.
- * @param {Function} equalFunc The function to determine equivalents of values.
- * @param {Object} stack Tracks traversed `object` and `other` objects.
- * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
- */
-function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {
- var isPartial = bitmask & COMPARE_PARTIAL_FLAG$3,
- objProps = _getAllKeys(object),
- objLength = objProps.length,
- othProps = _getAllKeys(other),
- othLength = othProps.length;
-
- if (objLength != othLength && !isPartial) {
- return false;
- }
- var index = objLength;
- while (index--) {
- var key = objProps[index];
- if (!(isPartial ? key in other : hasOwnProperty$3.call(other, key))) {
- return false;
- }
- }
- // Check that cyclic values are equal.
- var objStacked = stack.get(object);
- var othStacked = stack.get(other);
- if (objStacked && othStacked) {
- return objStacked == other && othStacked == object;
- }
- var result = true;
- stack.set(object, other);
- stack.set(other, object);
-
- var skipCtor = isPartial;
- while (++index < objLength) {
- key = objProps[index];
- var objValue = object[key],
- othValue = other[key];
-
- if (customizer) {
- var compared = isPartial
- ? customizer(othValue, objValue, key, other, object, stack)
- : customizer(objValue, othValue, key, object, other, stack);
- }
- // Recursively compare objects (susceptible to call stack limits).
- if (!(compared === undefined
- ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))
- : compared
- )) {
- result = false;
- break;
- }
- skipCtor || (skipCtor = key == 'constructor');
- }
- if (result && !skipCtor) {
- var objCtor = object.constructor,
- othCtor = other.constructor;
-
- // Non `Object` object instances with different constructors are not equal.
- if (objCtor != othCtor &&
- ('constructor' in object && 'constructor' in other) &&
- !(typeof objCtor == 'function' && objCtor instanceof objCtor &&
- typeof othCtor == 'function' && othCtor instanceof othCtor)) {
- result = false;
- }
- }
- stack['delete'](object);
- stack['delete'](other);
- return result;
-}
-
-var _equalObjects = equalObjects;
-
-/** Used to compose bitmasks for value comparisons. */
-var COMPARE_PARTIAL_FLAG$2 = 1;
-
-/** `Object#toString` result references. */
-var argsTag = '[object Arguments]',
- arrayTag = '[object Array]',
- objectTag = '[object Object]';
-
-/** Used for built-in method references. */
-var objectProto$2 = Object.prototype;
-
-/** Used to check objects for own properties. */
-var hasOwnProperty$2 = objectProto$2.hasOwnProperty;
-
-/**
- * A specialized version of `baseIsEqual` for arrays and objects which performs
- * deep comparisons and tracks traversed objects enabling objects with circular
- * references to be compared.
- *
- * @private
- * @param {Object} object The object to compare.
- * @param {Object} other The other object to compare.
- * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
- * @param {Function} customizer The function to customize comparisons.
- * @param {Function} equalFunc The function to determine equivalents of values.
- * @param {Object} [stack] Tracks traversed `object` and `other` objects.
- * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
- */
-function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
- var objIsArr = isArray_1(object),
- othIsArr = isArray_1(other),
- objTag = objIsArr ? arrayTag : _getTag(object),
- othTag = othIsArr ? arrayTag : _getTag(other);
-
- objTag = objTag == argsTag ? objectTag : objTag;
- othTag = othTag == argsTag ? objectTag : othTag;
-
- var objIsObj = objTag == objectTag,
- othIsObj = othTag == objectTag,
- isSameTag = objTag == othTag;
-
- if (isSameTag && isBuffer_1(object)) {
- if (!isBuffer_1(other)) {
- return false;
- }
- objIsArr = true;
- objIsObj = false;
- }
- if (isSameTag && !objIsObj) {
- stack || (stack = new _Stack);
- return (objIsArr || isTypedArray_1(object))
- ? _equalArrays(object, other, bitmask, customizer, equalFunc, stack)
- : _equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
- }
- if (!(bitmask & COMPARE_PARTIAL_FLAG$2)) {
- var objIsWrapped = objIsObj && hasOwnProperty$2.call(object, '__wrapped__'),
- othIsWrapped = othIsObj && hasOwnProperty$2.call(other, '__wrapped__');
-
- if (objIsWrapped || othIsWrapped) {
- var objUnwrapped = objIsWrapped ? object.value() : object,
- othUnwrapped = othIsWrapped ? other.value() : other;
-
- stack || (stack = new _Stack);
- return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
- }
- }
- if (!isSameTag) {
- return false;
- }
- stack || (stack = new _Stack);
- return _equalObjects(object, other, bitmask, customizer, equalFunc, stack);
-}
-
-var _baseIsEqualDeep = baseIsEqualDeep;
-
-/**
- * The base implementation of `_.isEqual` which supports partial comparisons
- * and tracks traversed objects.
- *
- * @private
- * @param {*} value The value to compare.
- * @param {*} other The other value to compare.
- * @param {boolean} bitmask The bitmask flags.
- * 1 - Unordered comparison
- * 2 - Partial comparison
- * @param {Function} [customizer] The function to customize comparisons.
- * @param {Object} [stack] Tracks traversed `value` and `other` objects.
- * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
- */
-function baseIsEqual(value, other, bitmask, customizer, stack) {
- if (value === other) {
- return true;
- }
- if (value == null || other == null || (!isObjectLike_1(value) && !isObjectLike_1(other))) {
- return value !== value && other !== other;
- }
- return _baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);
-}
-
-var _baseIsEqual = baseIsEqual;
-
-/** Used to compose bitmasks for value comparisons. */
-var COMPARE_PARTIAL_FLAG$1 = 1,
- COMPARE_UNORDERED_FLAG$1 = 2;
-
-/**
- * The base implementation of `_.isMatch` without support for iteratee shorthands.
- *
- * @private
- * @param {Object} object The object to inspect.
- * @param {Object} source The object of property values to match.
- * @param {Array} matchData The property names, values, and compare flags to match.
- * @param {Function} [customizer] The function to customize comparisons.
- * @returns {boolean} Returns `true` if `object` is a match, else `false`.
- */
-function baseIsMatch(object, source, matchData, customizer) {
- var index = matchData.length,
- length = index,
- noCustomizer = !customizer;
-
- if (object == null) {
- return !length;
- }
- object = Object(object);
- while (index--) {
- var data = matchData[index];
- if ((noCustomizer && data[2])
- ? data[1] !== object[data[0]]
- : !(data[0] in object)
- ) {
- return false;
- }
- }
- while (++index < length) {
- data = matchData[index];
- var key = data[0],
- objValue = object[key],
- srcValue = data[1];
-
- if (noCustomizer && data[2]) {
- if (objValue === undefined && !(key in object)) {
- return false;
- }
- } else {
- var stack = new _Stack;
- if (customizer) {
- var result = customizer(objValue, srcValue, key, object, source, stack);
- }
- if (!(result === undefined
- ? _baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG$1 | COMPARE_UNORDERED_FLAG$1, customizer, stack)
- : result
- )) {
- return false;
- }
- }
- }
- return true;
-}
-
-var _baseIsMatch = baseIsMatch;
-
-/**
- * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` if suitable for strict
- * equality comparisons, else `false`.
- */
-function isStrictComparable(value) {
- return value === value && !isObject_1(value);
-}
-
-var _isStrictComparable = isStrictComparable;
-
-/**
- * Gets the property names, values, and compare flags of `object`.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array} Returns the match data of `object`.
- */
-function getMatchData(object) {
- var result = keys_1(object),
- length = result.length;
-
- while (length--) {
- var key = result[length],
- value = object[key];
-
- result[length] = [key, value, _isStrictComparable(value)];
- }
- return result;
-}
-
-var _getMatchData = getMatchData;
-
-/**
- * A specialized version of `matchesProperty` for source values suitable
- * for strict equality comparisons, i.e. `===`.
- *
- * @private
- * @param {string} key The key of the property to get.
- * @param {*} srcValue The value to match.
- * @returns {Function} Returns the new spec function.
- */
-function matchesStrictComparable(key, srcValue) {
- return function(object) {
- if (object == null) {
- return false;
- }
- return object[key] === srcValue &&
- (srcValue !== undefined || (key in Object(object)));
- };
-}
-
-var _matchesStrictComparable = matchesStrictComparable;
-
-/**
- * The base implementation of `_.matches` which doesn't clone `source`.
- *
- * @private
- * @param {Object} source The object of property values to match.
- * @returns {Function} Returns the new spec function.
- */
-function baseMatches(source) {
- var matchData = _getMatchData(source);
- if (matchData.length == 1 && matchData[0][2]) {
- return _matchesStrictComparable(matchData[0][0], matchData[0][1]);
- }
- return function(object) {
- return object === source || _baseIsMatch(object, source, matchData);
- };
-}
-
-var _baseMatches = baseMatches;
-
-/** `Object#toString` result references. */
-var symbolTag = '[object Symbol]';
-
-/**
- * Checks if `value` is classified as a `Symbol` primitive or object.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
- * @example
- *
- * _.isSymbol(Symbol.iterator);
- * // => true
- *
- * _.isSymbol('abc');
- * // => false
- */
-function isSymbol(value) {
- return typeof value == 'symbol' ||
- (isObjectLike_1(value) && _baseGetTag(value) == symbolTag);
-}
-
-var isSymbol_1 = isSymbol;
-
-/** Used to match property names within property paths. */
-var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
- reIsPlainProp = /^\w*$/;
-
-/**
- * Checks if `value` is a property name and not a property path.
- *
- * @private
- * @param {*} value The value to check.
- * @param {Object} [object] The object to query keys on.
- * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
- */
-function isKey(value, object) {
- if (isArray_1(value)) {
- return false;
- }
- var type = typeof value;
- if (type == 'number' || type == 'symbol' || type == 'boolean' ||
- value == null || isSymbol_1(value)) {
- return true;
- }
- return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
- (object != null && value in Object(object));
-}
-
-var _isKey = isKey;
-
-/** Error message constants. */
-var FUNC_ERROR_TEXT = 'Expected a function';
-
-/**
- * Creates a function that memoizes the result of `func`. If `resolver` is
- * provided, it determines the cache key for storing the result based on the
- * arguments provided to the memoized function. By default, the first argument
- * provided to the memoized function is used as the map cache key. The `func`
- * is invoked with the `this` binding of the memoized function.
- *
- * **Note:** The cache is exposed as the `cache` property on the memoized
- * function. Its creation may be customized by replacing the `_.memoize.Cache`
- * constructor with one whose instances implement the
- * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)
- * method interface of `clear`, `delete`, `get`, `has`, and `set`.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Function
- * @param {Function} func The function to have its output memoized.
- * @param {Function} [resolver] The function to resolve the cache key.
- * @returns {Function} Returns the new memoized function.
- * @example
- *
- * var object = { 'a': 1, 'b': 2 };
- * var other = { 'c': 3, 'd': 4 };
- *
- * var values = _.memoize(_.values);
- * values(object);
- * // => [1, 2]
- *
- * values(other);
- * // => [3, 4]
- *
- * object.a = 2;
- * values(object);
- * // => [1, 2]
- *
- * // Modify the result cache.
- * values.cache.set(object, ['a', 'b']);
- * values(object);
- * // => ['a', 'b']
- *
- * // Replace `_.memoize.Cache`.
- * _.memoize.Cache = WeakMap;
- */
-function memoize(func, resolver) {
- if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {
- throw new TypeError(FUNC_ERROR_TEXT);
- }
- var memoized = function() {
- var args = arguments,
- key = resolver ? resolver.apply(this, args) : args[0],
- cache = memoized.cache;
-
- if (cache.has(key)) {
- return cache.get(key);
- }
- var result = func.apply(this, args);
- memoized.cache = cache.set(key, result) || cache;
- return result;
- };
- memoized.cache = new (memoize.Cache || _MapCache);
- return memoized;
-}
-
-// Expose `MapCache`.
-memoize.Cache = _MapCache;
-
-var memoize_1 = memoize;
-
-/** Used as the maximum memoize cache size. */
-var MAX_MEMOIZE_SIZE = 500;
-
-/**
- * A specialized version of `_.memoize` which clears the memoized function's
- * cache when it exceeds `MAX_MEMOIZE_SIZE`.
- *
- * @private
- * @param {Function} func The function to have its output memoized.
- * @returns {Function} Returns the new memoized function.
- */
-function memoizeCapped(func) {
- var result = memoize_1(func, function(key) {
- if (cache.size === MAX_MEMOIZE_SIZE) {
- cache.clear();
- }
- return key;
- });
-
- var cache = result.cache;
- return result;
-}
-
-var _memoizeCapped = memoizeCapped;
-
-/** Used to match property names within property paths. */
-var rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;
-
-/** Used to match backslashes in property paths. */
-var reEscapeChar = /\\(\\)?/g;
-
-/**
- * Converts `string` to a property path array.
- *
- * @private
- * @param {string} string The string to convert.
- * @returns {Array} Returns the property path array.
- */
-var stringToPath = _memoizeCapped(function(string) {
- var result = [];
- if (string.charCodeAt(0) === 46 /* . */) {
- result.push('');
- }
- string.replace(rePropName, function(match, number, quote, subString) {
- result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));
- });
- return result;
-});
-
-var _stringToPath = stringToPath;
-
-/**
- * A specialized version of `_.map` for arrays without support for iteratee
- * shorthands.
- *
- * @private
- * @param {Array} [array] The array to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Array} Returns the new mapped array.
- */
-function arrayMap(array, iteratee) {
- var index = -1,
- length = array == null ? 0 : array.length,
- result = Array(length);
-
- while (++index < length) {
- result[index] = iteratee(array[index], index, array);
- }
- return result;
-}
-
-var _arrayMap = arrayMap;
-
-/** Used as references for various `Number` constants. */
-var INFINITY$2 = 1 / 0;
-
-/** Used to convert symbols to primitives and strings. */
-var symbolProto = _Symbol ? _Symbol.prototype : undefined,
- symbolToString = symbolProto ? symbolProto.toString : undefined;
-
-/**
- * The base implementation of `_.toString` which doesn't convert nullish
- * values to empty strings.
- *
- * @private
- * @param {*} value The value to process.
- * @returns {string} Returns the string.
- */
-function baseToString(value) {
- // Exit early for strings to avoid a performance hit in some environments.
- if (typeof value == 'string') {
- return value;
- }
- if (isArray_1(value)) {
- // Recursively convert values (susceptible to call stack limits).
- return _arrayMap(value, baseToString) + '';
- }
- if (isSymbol_1(value)) {
- return symbolToString ? symbolToString.call(value) : '';
- }
- var result = (value + '');
- return (result == '0' && (1 / value) == -INFINITY$2) ? '-0' : result;
-}
-
-var _baseToString = baseToString;
-
-/**
- * Converts `value` to a string. An empty string is returned for `null`
- * and `undefined` values. The sign of `-0` is preserved.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to convert.
- * @returns {string} Returns the converted string.
- * @example
- *
- * _.toString(null);
- * // => ''
- *
- * _.toString(-0);
- * // => '-0'
- *
- * _.toString([1, 2, 3]);
- * // => '1,2,3'
- */
-function toString(value) {
- return value == null ? '' : _baseToString(value);
-}
-
-var toString_1 = toString;
-
-/**
- * Casts `value` to a path array if it's not one.
- *
- * @private
- * @param {*} value The value to inspect.
- * @param {Object} [object] The object to query keys on.
- * @returns {Array} Returns the cast property path array.
- */
-function castPath(value, object) {
- if (isArray_1(value)) {
- return value;
- }
- return _isKey(value, object) ? [value] : _stringToPath(toString_1(value));
-}
-
-var _castPath = castPath;
-
-/** Used as references for various `Number` constants. */
-var INFINITY$1 = 1 / 0;
-
-/**
- * Converts `value` to a string key if it's not a string or symbol.
- *
- * @private
- * @param {*} value The value to inspect.
- * @returns {string|symbol} Returns the key.
- */
-function toKey(value) {
- if (typeof value == 'string' || isSymbol_1(value)) {
- return value;
- }
- var result = (value + '');
- return (result == '0' && (1 / value) == -INFINITY$1) ? '-0' : result;
-}
-
-var _toKey = toKey;
-
-/**
- * The base implementation of `_.get` without support for default values.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Array|string} path The path of the property to get.
- * @returns {*} Returns the resolved value.
- */
-function baseGet(object, path) {
- path = _castPath(path, object);
-
- var index = 0,
- length = path.length;
-
- while (object != null && index < length) {
- object = object[_toKey(path[index++])];
- }
- return (index && index == length) ? object : undefined;
-}
-
-var _baseGet = baseGet;
-
-/**
- * Gets the value at `path` of `object`. If the resolved value is
- * `undefined`, the `defaultValue` is returned in its place.
- *
- * @static
- * @memberOf _
- * @since 3.7.0
- * @category Object
- * @param {Object} object The object to query.
- * @param {Array|string} path The path of the property to get.
- * @param {*} [defaultValue] The value returned for `undefined` resolved values.
- * @returns {*} Returns the resolved value.
- * @example
- *
- * var object = { 'a': [{ 'b': { 'c': 3 } }] };
- *
- * _.get(object, 'a[0].b.c');
- * // => 3
- *
- * _.get(object, ['a', '0', 'b', 'c']);
- * // => 3
- *
- * _.get(object, 'a.b.c', 'default');
- * // => 'default'
- */
-function get$1(object, path, defaultValue) {
- var result = object == null ? undefined : _baseGet(object, path);
- return result === undefined ? defaultValue : result;
-}
-
-var get_1 = get$1;
-
-/**
- * The base implementation of `_.hasIn` without support for deep paths.
- *
- * @private
- * @param {Object} [object] The object to query.
- * @param {Array|string} key The key to check.
- * @returns {boolean} Returns `true` if `key` exists, else `false`.
- */
-function baseHasIn(object, key) {
- return object != null && key in Object(object);
-}
-
-var _baseHasIn = baseHasIn;
-
-/**
- * Checks if `path` exists on `object`.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Array|string} path The path to check.
- * @param {Function} hasFunc The function to check properties.
- * @returns {boolean} Returns `true` if `path` exists, else `false`.
- */
-function hasPath(object, path, hasFunc) {
- path = _castPath(path, object);
-
- var index = -1,
- length = path.length,
- result = false;
-
- while (++index < length) {
- var key = _toKey(path[index]);
- if (!(result = object != null && hasFunc(object, key))) {
- break;
- }
- object = object[key];
- }
- if (result || ++index != length) {
- return result;
- }
- length = object == null ? 0 : object.length;
- return !!length && isLength_1(length) && _isIndex(key, length) &&
- (isArray_1(object) || isArguments_1(object));
-}
-
-var _hasPath = hasPath;
-
-/**
- * Checks if `path` is a direct or inherited property of `object`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Object
- * @param {Object} object The object to query.
- * @param {Array|string} path The path to check.
- * @returns {boolean} Returns `true` if `path` exists, else `false`.
- * @example
- *
- * var object = _.create({ 'a': _.create({ 'b': 2 }) });
- *
- * _.hasIn(object, 'a');
- * // => true
- *
- * _.hasIn(object, 'a.b');
- * // => true
- *
- * _.hasIn(object, ['a', 'b']);
- * // => true
- *
- * _.hasIn(object, 'b');
- * // => false
- */
-function hasIn(object, path) {
- return object != null && _hasPath(object, path, _baseHasIn);
-}
-
-var hasIn_1 = hasIn;
-
-/** Used to compose bitmasks for value comparisons. */
-var COMPARE_PARTIAL_FLAG = 1,
- COMPARE_UNORDERED_FLAG = 2;
-
-/**
- * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.
- *
- * @private
- * @param {string} path The path of the property to get.
- * @param {*} srcValue The value to match.
- * @returns {Function} Returns the new spec function.
- */
-function baseMatchesProperty(path, srcValue) {
- if (_isKey(path) && _isStrictComparable(srcValue)) {
- return _matchesStrictComparable(_toKey(path), srcValue);
- }
- return function(object) {
- var objValue = get_1(object, path);
- return (objValue === undefined && objValue === srcValue)
- ? hasIn_1(object, path)
- : _baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);
- };
-}
-
-var _baseMatchesProperty = baseMatchesProperty;
-
-/**
- * The base implementation of `_.property` without support for deep paths.
- *
- * @private
- * @param {string} key The key of the property to get.
- * @returns {Function} Returns the new accessor function.
- */
-function baseProperty(key) {
- return function(object) {
- return object == null ? undefined : object[key];
- };
-}
-
-var _baseProperty = baseProperty;
-
-/**
- * A specialized version of `baseProperty` which supports deep paths.
- *
- * @private
- * @param {Array|string} path The path of the property to get.
- * @returns {Function} Returns the new accessor function.
- */
-function basePropertyDeep(path) {
- return function(object) {
- return _baseGet(object, path);
- };
-}
-
-var _basePropertyDeep = basePropertyDeep;
-
-/**
- * Creates a function that returns the value at `path` of a given object.
- *
- * @static
- * @memberOf _
- * @since 2.4.0
- * @category Util
- * @param {Array|string} path The path of the property to get.
- * @returns {Function} Returns the new accessor function.
- * @example
- *
- * var objects = [
- * { 'a': { 'b': 2 } },
- * { 'a': { 'b': 1 } }
- * ];
- *
- * _.map(objects, _.property('a.b'));
- * // => [2, 1]
- *
- * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');
- * // => [1, 2]
- */
-function property(path) {
- return _isKey(path) ? _baseProperty(_toKey(path)) : _basePropertyDeep(path);
-}
-
-var property_1 = property;
-
-/**
- * The base implementation of `_.iteratee`.
- *
- * @private
- * @param {*} [value=_.identity] The value to convert to an iteratee.
- * @returns {Function} Returns the iteratee.
- */
-function baseIteratee(value) {
- // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.
- // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.
- if (typeof value == 'function') {
- return value;
- }
- if (value == null) {
- return identity_1;
- }
- if (typeof value == 'object') {
- return isArray_1(value)
- ? _baseMatchesProperty(value[0], value[1])
- : _baseMatches(value);
- }
- return property_1(value);
-}
-
-var _baseIteratee = baseIteratee;
-
-/**
- * Iterates over elements of `collection`, returning an array of all elements
- * `predicate` returns truthy for. The predicate is invoked with three
- * arguments: (value, index|key, collection).
- *
- * **Note:** Unlike `_.remove`, this method returns a new array.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Collection
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} [predicate=_.identity] The function invoked per iteration.
- * @returns {Array} Returns the new filtered array.
- * @see _.reject
- * @example
- *
- * var users = [
- * { 'user': 'barney', 'age': 36, 'active': true },
- * { 'user': 'fred', 'age': 40, 'active': false }
- * ];
- *
- * _.filter(users, function(o) { return !o.active; });
- * // => objects for ['fred']
- *
- * // The `_.matches` iteratee shorthand.
- * _.filter(users, { 'age': 36, 'active': true });
- * // => objects for ['barney']
- *
- * // The `_.matchesProperty` iteratee shorthand.
- * _.filter(users, ['active', false]);
- * // => objects for ['fred']
- *
- * // The `_.property` iteratee shorthand.
- * _.filter(users, 'active');
- * // => objects for ['barney']
- *
- * // Combining several predicates using `_.overEvery` or `_.overSome`.
- * _.filter(users, _.overSome([{ 'age': 36 }, ['age', 40]]));
- * // => objects for ['fred', 'barney']
- */
-function filter(collection, predicate) {
- var func = isArray_1(collection) ? _arrayFilter : _baseFilter;
- return func(collection, _baseIteratee(predicate));
-}
-
-var filter_1 = filter;
-
-/** Used for built-in method references. */
-var objectProto$1 = Object.prototype;
-
-/** Used to check objects for own properties. */
-var hasOwnProperty$1 = objectProto$1.hasOwnProperty;
-
-/**
- * The base implementation of `_.has` without support for deep paths.
- *
- * @private
- * @param {Object} [object] The object to query.
- * @param {Array|string} key The key to check.
- * @returns {boolean} Returns `true` if `key` exists, else `false`.
- */
-function baseHas(object, key) {
- return object != null && hasOwnProperty$1.call(object, key);
-}
-
-var _baseHas = baseHas;
-
-/**
- * Checks if `path` is a direct property of `object`.
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category Object
- * @param {Object} object The object to query.
- * @param {Array|string} path The path to check.
- * @returns {boolean} Returns `true` if `path` exists, else `false`.
- * @example
- *
- * var object = { 'a': { 'b': 2 } };
- * var other = _.create({ 'a': _.create({ 'b': 2 }) });
- *
- * _.has(object, 'a');
- * // => true
- *
- * _.has(object, 'a.b');
- * // => true
- *
- * _.has(object, ['a', 'b']);
- * // => true
- *
- * _.has(other, 'a');
- * // => false
- */
-function has(object, path) {
- return object != null && _hasPath(object, path, _baseHas);
-}
-
-var has_1 = has;
-
-/** `Object#toString` result references. */
-var mapTag$1 = '[object Map]',
- setTag$1 = '[object Set]';
-
-/** Used for built-in method references. */
-var objectProto = Object.prototype;
-
-/** Used to check objects for own properties. */
-var hasOwnProperty = objectProto.hasOwnProperty;
-
-/**
- * Checks if `value` is an empty object, collection, map, or set.
- *
- * Objects are considered empty if they have no own enumerable string keyed
- * properties.
- *
- * Array-like values such as `arguments` objects, arrays, buffers, strings, or
- * jQuery-like collections are considered empty if they have a `length` of `0`.
- * Similarly, maps and sets are considered empty if they have a `size` of `0`.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is empty, else `false`.
- * @example
- *
- * _.isEmpty(null);
- * // => true
- *
- * _.isEmpty(true);
- * // => true
- *
- * _.isEmpty(1);
- * // => true
- *
- * _.isEmpty([1, 2, 3]);
- * // => false
- *
- * _.isEmpty({ 'a': 1 });
- * // => false
- */
-function isEmpty(value) {
- if (value == null) {
- return true;
- }
- if (isArrayLike_1(value) &&
- (isArray_1(value) || typeof value == 'string' || typeof value.splice == 'function' ||
- isBuffer_1(value) || isTypedArray_1(value) || isArguments_1(value))) {
- return !value.length;
- }
- var tag = _getTag(value);
- if (tag == mapTag$1 || tag == setTag$1) {
- return !value.size;
- }
- if (_isPrototype(value)) {
- return !_baseKeys(value).length;
- }
- for (var key in value) {
- if (hasOwnProperty.call(value, key)) {
- return false;
- }
- }
- return true;
-}
-
-var isEmpty_1 = isEmpty;
-
-/**
- * Checks if `value` is `undefined`.
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.
- * @example
- *
- * _.isUndefined(void 0);
- * // => true
- *
- * _.isUndefined(null);
- * // => false
- */
-function isUndefined(value) {
- return value === undefined;
-}
-
-var isUndefined_1 = isUndefined;
-
-/**
- * The base implementation of `_.map` without support for iteratee shorthands.
- *
- * @private
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Array} Returns the new mapped array.
- */
-function baseMap(collection, iteratee) {
- var index = -1,
- result = isArrayLike_1(collection) ? Array(collection.length) : [];
-
- _baseEach(collection, function(value, key, collection) {
- result[++index] = iteratee(value, key, collection);
- });
- return result;
-}
-
-var _baseMap = baseMap;
-
-/**
- * Creates an array of values by running each element in `collection` thru
- * `iteratee`. The iteratee is invoked with three arguments:
- * (value, index|key, collection).
- *
- * Many lodash methods are guarded to work as iteratees for methods like
- * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.
- *
- * The guarded methods are:
- * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,
- * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,
- * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,
- * `template`, `trim`, `trimEnd`, `trimStart`, and `words`
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Collection
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} [iteratee=_.identity] The function invoked per iteration.
- * @returns {Array} Returns the new mapped array.
- * @example
- *
- * function square(n) {
- * return n * n;
- * }
- *
- * _.map([4, 8], square);
- * // => [16, 64]
- *
- * _.map({ 'a': 4, 'b': 8 }, square);
- * // => [16, 64] (iteration order is not guaranteed)
- *
- * var users = [
- * { 'user': 'barney' },
- * { 'user': 'fred' }
- * ];
- *
- * // The `_.property` iteratee shorthand.
- * _.map(users, 'user');
- * // => ['barney', 'fred']
- */
-function map(collection, iteratee) {
- var func = isArray_1(collection) ? _arrayMap : _baseMap;
- return func(collection, _baseIteratee(iteratee));
-}
-
-var map_1 = map;
-
-/**
- * A specialized version of `_.reduce` for arrays without support for
- * iteratee shorthands.
- *
- * @private
- * @param {Array} [array] The array to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @param {*} [accumulator] The initial value.
- * @param {boolean} [initAccum] Specify using the first element of `array` as
- * the initial value.
- * @returns {*} Returns the accumulated value.
- */
-function arrayReduce(array, iteratee, accumulator, initAccum) {
- var index = -1,
- length = array == null ? 0 : array.length;
-
- if (initAccum && length) {
- accumulator = array[++index];
- }
- while (++index < length) {
- accumulator = iteratee(accumulator, array[index], index, array);
- }
- return accumulator;
-}
-
-var _arrayReduce = arrayReduce;
-
-/**
- * The base implementation of `_.reduce` and `_.reduceRight`, without support
- * for iteratee shorthands, which iterates over `collection` using `eachFunc`.
- *
- * @private
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @param {*} accumulator The initial value.
- * @param {boolean} initAccum Specify using the first or last element of
- * `collection` as the initial value.
- * @param {Function} eachFunc The function to iterate over `collection`.
- * @returns {*} Returns the accumulated value.
- */
-function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {
- eachFunc(collection, function(value, index, collection) {
- accumulator = initAccum
- ? (initAccum = false, value)
- : iteratee(accumulator, value, index, collection);
- });
- return accumulator;
-}
-
-var _baseReduce = baseReduce;
-
-/**
- * Reduces `collection` to a value which is the accumulated result of running
- * each element in `collection` thru `iteratee`, where each successive
- * invocation is supplied the return value of the previous. If `accumulator`
- * is not given, the first element of `collection` is used as the initial
- * value. The iteratee is invoked with four arguments:
- * (accumulator, value, index|key, collection).
- *
- * Many lodash methods are guarded to work as iteratees for methods like
- * `_.reduce`, `_.reduceRight`, and `_.transform`.
- *
- * The guarded methods are:
- * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,
- * and `sortBy`
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Collection
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} [iteratee=_.identity] The function invoked per iteration.
- * @param {*} [accumulator] The initial value.
- * @returns {*} Returns the accumulated value.
- * @see _.reduceRight
- * @example
- *
- * _.reduce([1, 2], function(sum, n) {
- * return sum + n;
- * }, 0);
- * // => 3
- *
- * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
- * (result[value] || (result[value] = [])).push(key);
- * return result;
- * }, {});
- * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)
- */
-function reduce(collection, iteratee, accumulator) {
- var func = isArray_1(collection) ? _arrayReduce : _baseReduce,
- initAccum = arguments.length < 3;
-
- return func(collection, _baseIteratee(iteratee), accumulator, initAccum, _baseEach);
-}
-
-var reduce_1 = reduce;
-
-/** `Object#toString` result references. */
-var stringTag = '[object String]';
-
-/**
- * Checks if `value` is classified as a `String` primitive or object.
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a string, else `false`.
- * @example
- *
- * _.isString('abc');
- * // => true
- *
- * _.isString(1);
- * // => false
- */
-function isString(value) {
- return typeof value == 'string' ||
- (!isArray_1(value) && isObjectLike_1(value) && _baseGetTag(value) == stringTag);
-}
-
-var isString_1 = isString;
-
-/**
- * Gets the size of an ASCII `string`.
- *
- * @private
- * @param {string} string The string inspect.
- * @returns {number} Returns the string size.
- */
-var asciiSize = _baseProperty('length');
-
-var _asciiSize = asciiSize;
-
-/** Used to compose unicode character classes. */
-var rsAstralRange$1 = '\\ud800-\\udfff',
- rsComboMarksRange$1 = '\\u0300-\\u036f',
- reComboHalfMarksRange$1 = '\\ufe20-\\ufe2f',
- rsComboSymbolsRange$1 = '\\u20d0-\\u20ff',
- rsComboRange$1 = rsComboMarksRange$1 + reComboHalfMarksRange$1 + rsComboSymbolsRange$1,
- rsVarRange$1 = '\\ufe0e\\ufe0f';
-
-/** Used to compose unicode capture groups. */
-var rsZWJ$1 = '\\u200d';
-
-/** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */
-var reHasUnicode = RegExp('[' + rsZWJ$1 + rsAstralRange$1 + rsComboRange$1 + rsVarRange$1 + ']');
-
-/**
- * Checks if `string` contains Unicode symbols.
- *
- * @private
- * @param {string} string The string to inspect.
- * @returns {boolean} Returns `true` if a symbol is found, else `false`.
- */
-function hasUnicode(string) {
- return reHasUnicode.test(string);
-}
-
-var _hasUnicode = hasUnicode;
-
-/** Used to compose unicode character classes. */
-var rsAstralRange = '\\ud800-\\udfff',
- rsComboMarksRange = '\\u0300-\\u036f',
- reComboHalfMarksRange = '\\ufe20-\\ufe2f',
- rsComboSymbolsRange = '\\u20d0-\\u20ff',
- rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,
- rsVarRange = '\\ufe0e\\ufe0f';
-
-/** Used to compose unicode capture groups. */
-var rsAstral = '[' + rsAstralRange + ']',
- rsCombo = '[' + rsComboRange + ']',
- rsFitz = '\\ud83c[\\udffb-\\udfff]',
- rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',
- rsNonAstral = '[^' + rsAstralRange + ']',
- rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}',
- rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]',
- rsZWJ = '\\u200d';
-
-/** Used to compose unicode regexes. */
-var reOptMod = rsModifier + '?',
- rsOptVar = '[' + rsVarRange + ']?',
- rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',
- rsSeq = rsOptVar + reOptMod + rsOptJoin,
- rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';
-
-/** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */
-var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');
-
-/**
- * Gets the size of a Unicode `string`.
- *
- * @private
- * @param {string} string The string inspect.
- * @returns {number} Returns the string size.
- */
-function unicodeSize(string) {
- var result = reUnicode.lastIndex = 0;
- while (reUnicode.test(string)) {
- ++result;
- }
- return result;
-}
-
-var _unicodeSize = unicodeSize;
-
-/**
- * Gets the number of symbols in `string`.
- *
- * @private
- * @param {string} string The string to inspect.
- * @returns {number} Returns the string size.
- */
-function stringSize(string) {
- return _hasUnicode(string)
- ? _unicodeSize(string)
- : _asciiSize(string);
-}
-
-var _stringSize = stringSize;
-
-/** `Object#toString` result references. */
-var mapTag = '[object Map]',
- setTag = '[object Set]';
-
-/**
- * Gets the size of `collection` by returning its length for array-like
- * values or the number of own enumerable string keyed properties for objects.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Collection
- * @param {Array|Object|string} collection The collection to inspect.
- * @returns {number} Returns the collection size.
- * @example
- *
- * _.size([1, 2, 3]);
- * // => 3
- *
- * _.size({ 'a': 1, 'b': 2 });
- * // => 2
- *
- * _.size('pebbles');
- * // => 7
- */
-function size(collection) {
- if (collection == null) {
- return 0;
- }
- if (isArrayLike_1(collection)) {
- return isString_1(collection) ? _stringSize(collection) : collection.length;
- }
- var tag = _getTag(collection);
- if (tag == mapTag || tag == setTag) {
- return collection.size;
- }
- return _baseKeys(collection).length;
-}
-
-var size_1 = size;
-
-/**
- * An alternative to `_.reduce`; this method transforms `object` to a new
- * `accumulator` object which is the result of running each of its own
- * enumerable string keyed properties thru `iteratee`, with each invocation
- * potentially mutating the `accumulator` object. If `accumulator` is not
- * provided, a new object with the same `[[Prototype]]` will be used. The
- * iteratee is invoked with four arguments: (accumulator, value, key, object).
- * Iteratee functions may exit iteration early by explicitly returning `false`.
- *
- * @static
- * @memberOf _
- * @since 1.3.0
- * @category Object
- * @param {Object} object The object to iterate over.
- * @param {Function} [iteratee=_.identity] The function invoked per iteration.
- * @param {*} [accumulator] The custom accumulator value.
- * @returns {*} Returns the accumulated value.
- * @example
- *
- * _.transform([2, 3, 4], function(result, n) {
- * result.push(n *= n);
- * return n % 2 == 0;
- * }, []);
- * // => [4, 9]
- *
- * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
- * (result[value] || (result[value] = [])).push(key);
- * }, {});
- * // => { '1': ['a', 'c'], '2': ['b'] }
- */
-function transform(object, iteratee, accumulator) {
- var isArr = isArray_1(object),
- isArrLike = isArr || isBuffer_1(object) || isTypedArray_1(object);
-
- iteratee = _baseIteratee(iteratee);
- if (accumulator == null) {
- var Ctor = object && object.constructor;
- if (isArrLike) {
- accumulator = isArr ? new Ctor : [];
- }
- else if (isObject_1(object)) {
- accumulator = isFunction_1(Ctor) ? _baseCreate(_getPrototype(object)) : {};
- }
- else {
- accumulator = {};
- }
- }
- (isArrLike ? _arrayEach : _baseForOwn)(object, function(value, index, object) {
- return iteratee(accumulator, value, index, object);
- });
- return accumulator;
-}
-
-var transform_1 = transform;
-
-/** Built-in value references. */
-var spreadableSymbol = _Symbol ? _Symbol.isConcatSpreadable : undefined;
-
-/**
- * Checks if `value` is a flattenable `arguments` object or array.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.
- */
-function isFlattenable(value) {
- return isArray_1(value) || isArguments_1(value) ||
- !!(spreadableSymbol && value && value[spreadableSymbol]);
-}
-
-var _isFlattenable = isFlattenable;
-
-/**
- * The base implementation of `_.flatten` with support for restricting flattening.
- *
- * @private
- * @param {Array} array The array to flatten.
- * @param {number} depth The maximum recursion depth.
- * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.
- * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.
- * @param {Array} [result=[]] The initial result value.
- * @returns {Array} Returns the new flattened array.
- */
-function baseFlatten(array, depth, predicate, isStrict, result) {
- var index = -1,
- length = array.length;
-
- predicate || (predicate = _isFlattenable);
- result || (result = []);
-
- while (++index < length) {
- var value = array[index];
- if (depth > 0 && predicate(value)) {
- if (depth > 1) {
- // Recursively flatten arrays (susceptible to call stack limits).
- baseFlatten(value, depth - 1, predicate, isStrict, result);
- } else {
- _arrayPush(result, value);
- }
- } else if (!isStrict) {
- result[result.length] = value;
- }
- }
- return result;
-}
-
-var _baseFlatten = baseFlatten;
-
-/**
- * A faster alternative to `Function#apply`, this function invokes `func`
- * with the `this` binding of `thisArg` and the arguments of `args`.
- *
- * @private
- * @param {Function} func The function to invoke.
- * @param {*} thisArg The `this` binding of `func`.
- * @param {Array} args The arguments to invoke `func` with.
- * @returns {*} Returns the result of `func`.
- */
-function apply(func, thisArg, args) {
- switch (args.length) {
- case 0: return func.call(thisArg);
- case 1: return func.call(thisArg, args[0]);
- case 2: return func.call(thisArg, args[0], args[1]);
- case 3: return func.call(thisArg, args[0], args[1], args[2]);
- }
- return func.apply(thisArg, args);
-}
-
-var _apply = apply;
-
-/* Built-in method references for those with the same name as other `lodash` methods. */
-var nativeMax = Math.max;
-
-/**
- * A specialized version of `baseRest` which transforms the rest array.
- *
- * @private
- * @param {Function} func The function to apply a rest parameter to.
- * @param {number} [start=func.length-1] The start position of the rest parameter.
- * @param {Function} transform The rest array transform.
- * @returns {Function} Returns the new function.
- */
-function overRest(func, start, transform) {
- start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
- return function() {
- var args = arguments,
- index = -1,
- length = nativeMax(args.length - start, 0),
- array = Array(length);
-
- while (++index < length) {
- array[index] = args[start + index];
- }
- index = -1;
- var otherArgs = Array(start + 1);
- while (++index < start) {
- otherArgs[index] = args[index];
- }
- otherArgs[start] = transform(array);
- return _apply(func, this, otherArgs);
- };
-}
-
-var _overRest = overRest;
-
-/**
- * The base implementation of `setToString` without support for hot loop shorting.
- *
- * @private
- * @param {Function} func The function to modify.
- * @param {Function} string The `toString` result.
- * @returns {Function} Returns `func`.
- */
-var baseSetToString = !_defineProperty ? identity_1 : function(func, string) {
- return _defineProperty(func, 'toString', {
- 'configurable': true,
- 'enumerable': false,
- 'value': constant_1(string),
- 'writable': true
- });
-};
-
-var _baseSetToString = baseSetToString;
-
-/** Used to detect hot functions by number of calls within a span of milliseconds. */
-var HOT_COUNT = 800,
- HOT_SPAN = 16;
-
-/* Built-in method references for those with the same name as other `lodash` methods. */
-var nativeNow = Date.now;
-
-/**
- * Creates a function that'll short out and invoke `identity` instead
- * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`
- * milliseconds.
- *
- * @private
- * @param {Function} func The function to restrict.
- * @returns {Function} Returns the new shortable function.
- */
-function shortOut(func) {
- var count = 0,
- lastCalled = 0;
-
- return function() {
- var stamp = nativeNow(),
- remaining = HOT_SPAN - (stamp - lastCalled);
-
- lastCalled = stamp;
- if (remaining > 0) {
- if (++count >= HOT_COUNT) {
- return arguments[0];
- }
- } else {
- count = 0;
- }
- return func.apply(undefined, arguments);
- };
-}
-
-var _shortOut = shortOut;
-
-/**
- * Sets the `toString` method of `func` to return `string`.
- *
- * @private
- * @param {Function} func The function to modify.
- * @param {Function} string The `toString` result.
- * @returns {Function} Returns `func`.
- */
-var setToString = _shortOut(_baseSetToString);
-
-var _setToString = setToString;
-
-/**
- * The base implementation of `_.rest` which doesn't validate or coerce arguments.
- *
- * @private
- * @param {Function} func The function to apply a rest parameter to.
- * @param {number} [start=func.length-1] The start position of the rest parameter.
- * @returns {Function} Returns the new function.
- */
-function baseRest(func, start) {
- return _setToString(_overRest(func, start, identity_1), func + '');
-}
-
-var _baseRest = baseRest;
-
-/**
- * The base implementation of `_.findIndex` and `_.findLastIndex` without
- * support for iteratee shorthands.
- *
- * @private
- * @param {Array} array The array to inspect.
- * @param {Function} predicate The function invoked per iteration.
- * @param {number} fromIndex The index to search from.
- * @param {boolean} [fromRight] Specify iterating from right to left.
- * @returns {number} Returns the index of the matched value, else `-1`.
- */
-function baseFindIndex(array, predicate, fromIndex, fromRight) {
- var length = array.length,
- index = fromIndex + (fromRight ? 1 : -1);
-
- while ((fromRight ? index-- : ++index < length)) {
- if (predicate(array[index], index, array)) {
- return index;
- }
- }
- return -1;
-}
-
-var _baseFindIndex = baseFindIndex;
-
-/**
- * The base implementation of `_.isNaN` without support for number objects.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
- */
-function baseIsNaN(value) {
- return value !== value;
-}
-
-var _baseIsNaN = baseIsNaN;
-
-/**
- * A specialized version of `_.indexOf` which performs strict equality
- * comparisons of values, i.e. `===`.
- *
- * @private
- * @param {Array} array The array to inspect.
- * @param {*} value The value to search for.
- * @param {number} fromIndex The index to search from.
- * @returns {number} Returns the index of the matched value, else `-1`.
- */
-function strictIndexOf(array, value, fromIndex) {
- var index = fromIndex - 1,
- length = array.length;
-
- while (++index < length) {
- if (array[index] === value) {
- return index;
- }
- }
- return -1;
-}
-
-var _strictIndexOf = strictIndexOf;
-
-/**
- * The base implementation of `_.indexOf` without `fromIndex` bounds checks.
- *
- * @private
- * @param {Array} array The array to inspect.
- * @param {*} value The value to search for.
- * @param {number} fromIndex The index to search from.
- * @returns {number} Returns the index of the matched value, else `-1`.
- */
-function baseIndexOf(array, value, fromIndex) {
- return value === value
- ? _strictIndexOf(array, value, fromIndex)
- : _baseFindIndex(array, _baseIsNaN, fromIndex);
-}
-
-var _baseIndexOf = baseIndexOf;
-
-/**
- * A specialized version of `_.includes` for arrays without support for
- * specifying an index to search from.
- *
- * @private
- * @param {Array} [array] The array to inspect.
- * @param {*} target The value to search for.
- * @returns {boolean} Returns `true` if `target` is found, else `false`.
- */
-function arrayIncludes(array, value) {
- var length = array == null ? 0 : array.length;
- return !!length && _baseIndexOf(array, value, 0) > -1;
-}
-
-var _arrayIncludes = arrayIncludes;
-
-/**
- * This function is like `arrayIncludes` except that it accepts a comparator.
- *
- * @private
- * @param {Array} [array] The array to inspect.
- * @param {*} target The value to search for.
- * @param {Function} comparator The comparator invoked per element.
- * @returns {boolean} Returns `true` if `target` is found, else `false`.
- */
-function arrayIncludesWith(array, value, comparator) {
- var index = -1,
- length = array == null ? 0 : array.length;
-
- while (++index < length) {
- if (comparator(value, array[index])) {
- return true;
- }
- }
- return false;
-}
-
-var _arrayIncludesWith = arrayIncludesWith;
-
-/**
- * This method returns `undefined`.
- *
- * @static
- * @memberOf _
- * @since 2.3.0
- * @category Util
- * @example
- *
- * _.times(2, _.noop);
- * // => [undefined, undefined]
- */
-function noop() {
- // No operation performed.
-}
-
-var noop_1 = noop;
-
-/** Used as references for various `Number` constants. */
-var INFINITY = 1 / 0;
-
-/**
- * Creates a set object of `values`.
- *
- * @private
- * @param {Array} values The values to add to the set.
- * @returns {Object} Returns the new set.
- */
-var createSet = !(_Set && (1 / _setToArray(new _Set([,-0]))[1]) == INFINITY) ? noop_1 : function(values) {
- return new _Set(values);
-};
-
-var _createSet = createSet;
-
-/** Used as the size to enable large array optimizations. */
-var LARGE_ARRAY_SIZE = 200;
-
-/**
- * The base implementation of `_.uniqBy` without support for iteratee shorthands.
- *
- * @private
- * @param {Array} array The array to inspect.
- * @param {Function} [iteratee] The iteratee invoked per element.
- * @param {Function} [comparator] The comparator invoked per element.
- * @returns {Array} Returns the new duplicate free array.
- */
-function baseUniq(array, iteratee, comparator) {
- var index = -1,
- includes = _arrayIncludes,
- length = array.length,
- isCommon = true,
- result = [],
- seen = result;
-
- if (comparator) {
- isCommon = false;
- includes = _arrayIncludesWith;
- }
- else if (length >= LARGE_ARRAY_SIZE) {
- var set = iteratee ? null : _createSet(array);
- if (set) {
- return _setToArray(set);
- }
- isCommon = false;
- includes = _cacheHas;
- seen = new _SetCache;
- }
- else {
- seen = iteratee ? [] : result;
- }
- outer:
- while (++index < length) {
- var value = array[index],
- computed = iteratee ? iteratee(value) : value;
-
- value = (comparator || value !== 0) ? value : 0;
- if (isCommon && computed === computed) {
- var seenIndex = seen.length;
- while (seenIndex--) {
- if (seen[seenIndex] === computed) {
- continue outer;
- }
- }
- if (iteratee) {
- seen.push(computed);
- }
- result.push(value);
- }
- else if (!includes(seen, computed, comparator)) {
- if (seen !== result) {
- seen.push(computed);
- }
- result.push(value);
- }
- }
- return result;
-}
-
-var _baseUniq = baseUniq;
-
-/**
- * This method is like `_.isArrayLike` except that it also checks if `value`
- * is an object.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is an array-like object,
- * else `false`.
- * @example
- *
- * _.isArrayLikeObject([1, 2, 3]);
- * // => true
- *
- * _.isArrayLikeObject(document.body.children);
- * // => true
- *
- * _.isArrayLikeObject('abc');
- * // => false
- *
- * _.isArrayLikeObject(_.noop);
- * // => false
- */
-function isArrayLikeObject(value) {
- return isObjectLike_1(value) && isArrayLike_1(value);
-}
-
-var isArrayLikeObject_1 = isArrayLikeObject;
-
-/**
- * Creates an array of unique values, in order, from all given arrays using
- * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
- * for equality comparisons.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Array
- * @param {...Array} [arrays] The arrays to inspect.
- * @returns {Array} Returns the new array of combined values.
- * @example
- *
- * _.union([2], [1, 2]);
- * // => [2, 1]
- */
-var union = _baseRest(function(arrays) {
- return _baseUniq(_baseFlatten(arrays, 1, isArrayLikeObject_1, true));
-});
-
-var union_1 = union;
-
-/**
- * The base implementation of `_.values` and `_.valuesIn` which creates an
- * array of `object` property values corresponding to the property names
- * of `props`.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Array} props The property names to get values for.
- * @returns {Object} Returns the array of property values.
- */
-function baseValues(object, props) {
- return _arrayMap(props, function(key) {
- return object[key];
- });
-}
-
-var _baseValues = baseValues;
-
-/**
- * Creates an array of the own enumerable string keyed property values of `object`.
- *
- * **Note:** Non-object values are coerced to objects.
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category Object
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property values.
- * @example
- *
- * function Foo() {
- * this.a = 1;
- * this.b = 2;
- * }
- *
- * Foo.prototype.c = 3;
- *
- * _.values(new Foo);
- * // => [1, 2] (iteration order is not guaranteed)
- *
- * _.values('hi');
- * // => ['h', 'i']
- */
-function values(object) {
- return object == null ? [] : _baseValues(object, keys_1(object));
-}
-
-var values_1 = values;
-
/* global window */
var lodash;
@@ -22432,22 +17437,22 @@ var lodash;
if (typeof commonjsRequire === "function") {
try {
lodash = {
- clone: clone_1,
- constant: constant_1,
- each: each,
- filter: filter_1,
- has: has_1,
- isArray: isArray_1,
- isEmpty: isEmpty_1,
- isFunction: isFunction_1,
- isUndefined: isUndefined_1,
- keys: keys_1,
- map: map_1,
- reduce: reduce_1,
- size: size_1,
- transform: transform_1,
- union: union_1,
- values: values_1
+ clone: require("lodash/clone"),
+ constant: require("lodash/constant"),
+ each: require("lodash/each"),
+ filter: require("lodash/filter"),
+ has: require("lodash/has"),
+ isArray: require("lodash/isArray"),
+ isEmpty: require("lodash/isEmpty"),
+ isFunction: require("lodash/isFunction"),
+ isUndefined: require("lodash/isUndefined"),
+ keys: require("lodash/keys"),
+ map: require("lodash/map"),
+ reduce: require("lodash/reduce"),
+ size: require("lodash/size"),
+ transform: require("lodash/transform"),
+ union: require("lodash/union"),
+ values: require("lodash/values")
};
} catch (e) {
// continue regardless of error
@@ -22460,7 +17465,9 @@ if (!lodash) {
var lodash_1 = lodash;
-var graph = Graph;
+var _$b = lodash_1;
+
+var graph = Graph$2;
var DEFAULT_EDGE_NAME = "\x00";
var GRAPH_NODE = "\x00";
@@ -22476,19 +17483,19 @@ var EDGE_KEY_DELIM = "\x01";
// edges up and, object properties, which have string keys, are the closest
// we're going to get to a performant hashtable in JavaScript.
-function Graph(opts) {
- this._isDirected = lodash_1.has(opts, "directed") ? opts.directed : true;
- this._isMultigraph = lodash_1.has(opts, "multigraph") ? opts.multigraph : false;
- this._isCompound = lodash_1.has(opts, "compound") ? opts.compound : false;
+function Graph$2(opts) {
+ this._isDirected = _$b.has(opts, "directed") ? opts.directed : true;
+ this._isMultigraph = _$b.has(opts, "multigraph") ? opts.multigraph : false;
+ this._isCompound = _$b.has(opts, "compound") ? opts.compound : false;
// Label for the graph itself
this._label = undefined;
// Defaults to be set when creating a new node
- this._defaultNodeLabelFn = lodash_1.constant(undefined);
+ this._defaultNodeLabelFn = _$b.constant(undefined);
// Defaults to be set when creating a new edge
- this._defaultEdgeLabelFn = lodash_1.constant(undefined);
+ this._defaultEdgeLabelFn = _$b.constant(undefined);
// v -> label
this._nodes = {};
@@ -22522,72 +17529,72 @@ function Graph(opts) {
}
/* Number of nodes in the graph. Should only be changed by the implementation. */
-Graph.prototype._nodeCount = 0;
+Graph$2.prototype._nodeCount = 0;
/* Number of edges in the graph. Should only be changed by the implementation. */
-Graph.prototype._edgeCount = 0;
+Graph$2.prototype._edgeCount = 0;
/* === Graph functions ========= */
-Graph.prototype.isDirected = function() {
+Graph$2.prototype.isDirected = function() {
return this._isDirected;
};
-Graph.prototype.isMultigraph = function() {
+Graph$2.prototype.isMultigraph = function() {
return this._isMultigraph;
};
-Graph.prototype.isCompound = function() {
+Graph$2.prototype.isCompound = function() {
return this._isCompound;
};
-Graph.prototype.setGraph = function(label) {
+Graph$2.prototype.setGraph = function(label) {
this._label = label;
return this;
};
-Graph.prototype.graph = function() {
+Graph$2.prototype.graph = function() {
return this._label;
};
/* === Node functions ========== */
-Graph.prototype.setDefaultNodeLabel = function(newDefault) {
- if (!lodash_1.isFunction(newDefault)) {
- newDefault = lodash_1.constant(newDefault);
+Graph$2.prototype.setDefaultNodeLabel = function(newDefault) {
+ if (!_$b.isFunction(newDefault)) {
+ newDefault = _$b.constant(newDefault);
}
this._defaultNodeLabelFn = newDefault;
return this;
};
-Graph.prototype.nodeCount = function() {
+Graph$2.prototype.nodeCount = function() {
return this._nodeCount;
};
-Graph.prototype.nodes = function() {
- return lodash_1.keys(this._nodes);
+Graph$2.prototype.nodes = function() {
+ return _$b.keys(this._nodes);
};
-Graph.prototype.sources = function() {
+Graph$2.prototype.sources = function() {
var self = this;
- return lodash_1.filter(this.nodes(), function(v) {
- return lodash_1.isEmpty(self._in[v]);
+ return _$b.filter(this.nodes(), function(v) {
+ return _$b.isEmpty(self._in[v]);
});
};
-Graph.prototype.sinks = function() {
+Graph$2.prototype.sinks = function() {
var self = this;
- return lodash_1.filter(this.nodes(), function(v) {
- return lodash_1.isEmpty(self._out[v]);
+ return _$b.filter(this.nodes(), function(v) {
+ return _$b.isEmpty(self._out[v]);
});
};
-Graph.prototype.setNodes = function(vs, value) {
+Graph$2.prototype.setNodes = function(vs, value) {
var args = arguments;
var self = this;
- lodash_1.each(vs, function(v) {
+ _$b.each(vs, function(v) {
if (args.length > 1) {
self.setNode(v, value);
} else {
@@ -22597,8 +17604,8 @@ Graph.prototype.setNodes = function(vs, value) {
return this;
};
-Graph.prototype.setNode = function(v, value) {
- if (lodash_1.has(this._nodes, v)) {
+Graph$2.prototype.setNode = function(v, value) {
+ if (_$b.has(this._nodes, v)) {
if (arguments.length > 1) {
this._nodes[v] = value;
}
@@ -22619,31 +17626,31 @@ Graph.prototype.setNode = function(v, value) {
return this;
};
-Graph.prototype.node = function(v) {
+Graph$2.prototype.node = function(v) {
return this._nodes[v];
};
-Graph.prototype.hasNode = function(v) {
- return lodash_1.has(this._nodes, v);
+Graph$2.prototype.hasNode = function(v) {
+ return _$b.has(this._nodes, v);
};
-Graph.prototype.removeNode = function(v) {
+Graph$2.prototype.removeNode = function(v) {
var self = this;
- if (lodash_1.has(this._nodes, v)) {
+ if (_$b.has(this._nodes, v)) {
var removeEdge = function(e) { self.removeEdge(self._edgeObjs[e]); };
delete this._nodes[v];
if (this._isCompound) {
this._removeFromParentsChildList(v);
delete this._parent[v];
- lodash_1.each(this.children(v), function(child) {
+ _$b.each(this.children(v), function(child) {
self.setParent(child);
});
delete this._children[v];
}
- lodash_1.each(lodash_1.keys(this._in[v]), removeEdge);
+ _$b.each(_$b.keys(this._in[v]), removeEdge);
delete this._in[v];
delete this._preds[v];
- lodash_1.each(lodash_1.keys(this._out[v]), removeEdge);
+ _$b.each(_$b.keys(this._out[v]), removeEdge);
delete this._out[v];
delete this._sucs[v];
--this._nodeCount;
@@ -22651,18 +17658,18 @@ Graph.prototype.removeNode = function(v) {
return this;
};
-Graph.prototype.setParent = function(v, parent) {
+Graph$2.prototype.setParent = function(v, parent) {
if (!this._isCompound) {
throw new Error("Cannot set parent in a non-compound graph");
}
- if (lodash_1.isUndefined(parent)) {
+ if (_$b.isUndefined(parent)) {
parent = GRAPH_NODE;
} else {
// Coerce parent to string
parent += "";
for (var ancestor = parent;
- !lodash_1.isUndefined(ancestor);
+ !_$b.isUndefined(ancestor);
ancestor = this.parent(ancestor)) {
if (ancestor === v) {
throw new Error("Setting " + parent+ " as parent of " + v +
@@ -22680,11 +17687,11 @@ Graph.prototype.setParent = function(v, parent) {
return this;
};
-Graph.prototype._removeFromParentsChildList = function(v) {
+Graph$2.prototype._removeFromParentsChildList = function(v) {
delete this._children[this._parent[v]][v];
};
-Graph.prototype.parent = function(v) {
+Graph$2.prototype.parent = function(v) {
if (this._isCompound) {
var parent = this._parent[v];
if (parent !== GRAPH_NODE) {
@@ -22693,15 +17700,15 @@ Graph.prototype.parent = function(v) {
}
};
-Graph.prototype.children = function(v) {
- if (lodash_1.isUndefined(v)) {
+Graph$2.prototype.children = function(v) {
+ if (_$b.isUndefined(v)) {
v = GRAPH_NODE;
}
if (this._isCompound) {
var children = this._children[v];
if (children) {
- return lodash_1.keys(children);
+ return _$b.keys(children);
}
} else if (v === GRAPH_NODE) {
return this.nodes();
@@ -22710,28 +17717,28 @@ Graph.prototype.children = function(v) {
}
};
-Graph.prototype.predecessors = function(v) {
+Graph$2.prototype.predecessors = function(v) {
var predsV = this._preds[v];
if (predsV) {
- return lodash_1.keys(predsV);
+ return _$b.keys(predsV);
}
};
-Graph.prototype.successors = function(v) {
+Graph$2.prototype.successors = function(v) {
var sucsV = this._sucs[v];
if (sucsV) {
- return lodash_1.keys(sucsV);
+ return _$b.keys(sucsV);
}
};
-Graph.prototype.neighbors = function(v) {
+Graph$2.prototype.neighbors = function(v) {
var preds = this.predecessors(v);
if (preds) {
- return lodash_1.union(preds, this.successors(v));
+ return _$b.union(preds, this.successors(v));
}
};
-Graph.prototype.isLeaf = function (v) {
+Graph$2.prototype.isLeaf = function (v) {
var neighbors;
if (this.isDirected()) {
neighbors = this.successors(v);
@@ -22741,7 +17748,7 @@ Graph.prototype.isLeaf = function (v) {
return neighbors.length === 0;
};
-Graph.prototype.filterNodes = function(filter) {
+Graph$2.prototype.filterNodes = function(filter) {
var copy = new this.constructor({
directed: this._isDirected,
multigraph: this._isMultigraph,
@@ -22751,13 +17758,13 @@ Graph.prototype.filterNodes = function(filter) {
copy.setGraph(this.graph());
var self = this;
- lodash_1.each(this._nodes, function(value, v) {
+ _$b.each(this._nodes, function(value, v) {
if (filter(v)) {
copy.setNode(v, value);
}
});
- lodash_1.each(this._edgeObjs, function(e) {
+ _$b.each(this._edgeObjs, function(e) {
if (copy.hasNode(e.v) && copy.hasNode(e.w)) {
copy.setEdge(e, self.edge(e));
}
@@ -22777,7 +17784,7 @@ Graph.prototype.filterNodes = function(filter) {
}
if (this._isCompound) {
- lodash_1.each(copy.nodes(), function(v) {
+ _$b.each(copy.nodes(), function(v) {
copy.setParent(v, findParent(v));
});
}
@@ -22787,26 +17794,26 @@ Graph.prototype.filterNodes = function(filter) {
/* === Edge functions ========== */
-Graph.prototype.setDefaultEdgeLabel = function(newDefault) {
- if (!lodash_1.isFunction(newDefault)) {
- newDefault = lodash_1.constant(newDefault);
+Graph$2.prototype.setDefaultEdgeLabel = function(newDefault) {
+ if (!_$b.isFunction(newDefault)) {
+ newDefault = _$b.constant(newDefault);
}
this._defaultEdgeLabelFn = newDefault;
return this;
};
-Graph.prototype.edgeCount = function() {
+Graph$2.prototype.edgeCount = function() {
return this._edgeCount;
};
-Graph.prototype.edges = function() {
- return lodash_1.values(this._edgeObjs);
+Graph$2.prototype.edges = function() {
+ return _$b.values(this._edgeObjs);
};
-Graph.prototype.setPath = function(vs, value) {
+Graph$2.prototype.setPath = function(vs, value) {
var self = this;
var args = arguments;
- lodash_1.reduce(vs, function(v, w) {
+ _$b.reduce(vs, function(v, w) {
if (args.length > 1) {
self.setEdge(v, w, value);
} else {
@@ -22821,7 +17828,7 @@ Graph.prototype.setPath = function(vs, value) {
* setEdge(v, w, [value, [name]])
* setEdge({ v, w, [name] }, [value])
*/
-Graph.prototype.setEdge = function() {
+Graph$2.prototype.setEdge = function() {
var v, w, name, value;
var valueSpecified = false;
var arg0 = arguments[0];
@@ -22846,19 +17853,19 @@ Graph.prototype.setEdge = function() {
v = "" + v;
w = "" + w;
- if (!lodash_1.isUndefined(name)) {
+ if (!_$b.isUndefined(name)) {
name = "" + name;
}
var e = edgeArgsToId(this._isDirected, v, w, name);
- if (lodash_1.has(this._edgeLabels, e)) {
+ if (_$b.has(this._edgeLabels, e)) {
if (valueSpecified) {
this._edgeLabels[e] = value;
}
return this;
}
- if (!lodash_1.isUndefined(name) && !this._isMultigraph) {
+ if (!_$b.isUndefined(name) && !this._isMultigraph) {
throw new Error("Cannot set a named edge when isMultigraph = false");
}
@@ -22884,21 +17891,21 @@ Graph.prototype.setEdge = function() {
return this;
};
-Graph.prototype.edge = function(v, w, name) {
+Graph$2.prototype.edge = function(v, w, name) {
var e = (arguments.length === 1
? edgeObjToId(this._isDirected, arguments[0])
: edgeArgsToId(this._isDirected, v, w, name));
return this._edgeLabels[e];
};
-Graph.prototype.hasEdge = function(v, w, name) {
+Graph$2.prototype.hasEdge = function(v, w, name) {
var e = (arguments.length === 1
? edgeObjToId(this._isDirected, arguments[0])
: edgeArgsToId(this._isDirected, v, w, name));
- return lodash_1.has(this._edgeLabels, e);
+ return _$b.has(this._edgeLabels, e);
};
-Graph.prototype.removeEdge = function(v, w, name) {
+Graph$2.prototype.removeEdge = function(v, w, name) {
var e = (arguments.length === 1
? edgeObjToId(this._isDirected, arguments[0])
: edgeArgsToId(this._isDirected, v, w, name));
@@ -22917,29 +17924,29 @@ Graph.prototype.removeEdge = function(v, w, name) {
return this;
};
-Graph.prototype.inEdges = function(v, u) {
+Graph$2.prototype.inEdges = function(v, u) {
var inV = this._in[v];
if (inV) {
- var edges = lodash_1.values(inV);
+ var edges = _$b.values(inV);
if (!u) {
return edges;
}
- return lodash_1.filter(edges, function(edge) { return edge.v === u; });
+ return _$b.filter(edges, function(edge) { return edge.v === u; });
}
};
-Graph.prototype.outEdges = function(v, w) {
+Graph$2.prototype.outEdges = function(v, w) {
var outV = this._out[v];
if (outV) {
- var edges = lodash_1.values(outV);
+ var edges = _$b.values(outV);
if (!w) {
return edges;
}
- return lodash_1.filter(edges, function(edge) { return edge.w === w; });
+ return _$b.filter(edges, function(edge) { return edge.w === w; });
}
};
-Graph.prototype.nodeEdges = function(v, w) {
+Graph$2.prototype.nodeEdges = function(v, w) {
var inEdges = this.inEdges(v, w);
if (inEdges) {
return inEdges.concat(this.outEdges(v, w));
@@ -22967,7 +17974,7 @@ function edgeArgsToId(isDirected, v_, w_, name) {
w = tmp;
}
return v + EDGE_KEY_DELIM + w + EDGE_KEY_DELIM +
- (lodash_1.isUndefined(name) ? DEFAULT_EDGE_NAME : name);
+ (_$b.isUndefined(name) ? DEFAULT_EDGE_NAME : name);
}
function edgeArgsToObj(isDirected, v_, w_, name) {
@@ -22992,11 +17999,14 @@ function edgeObjToId(isDirected, edgeObj) {
var version = '2.1.8';
// Includes only the "core" of graphlib
-var lib = {
+var lib$1 = {
Graph: graph,
version: version
};
+var _$a = lodash_1;
+var Graph$1 = graph;
+
var json = {
write: write,
read: read
@@ -23012,21 +18022,21 @@ function write(g) {
nodes: writeNodes(g),
edges: writeEdges(g)
};
- if (!lodash_1.isUndefined(g.graph())) {
- json.value = lodash_1.clone(g.graph());
+ if (!_$a.isUndefined(g.graph())) {
+ json.value = _$a.clone(g.graph());
}
return json;
}
function writeNodes(g) {
- return lodash_1.map(g.nodes(), function(v) {
+ return _$a.map(g.nodes(), function(v) {
var nodeValue = g.node(v);
var parent = g.parent(v);
var node = { v: v };
- if (!lodash_1.isUndefined(nodeValue)) {
+ if (!_$a.isUndefined(nodeValue)) {
node.value = nodeValue;
}
- if (!lodash_1.isUndefined(parent)) {
+ if (!_$a.isUndefined(parent)) {
node.parent = parent;
}
return node;
@@ -23034,13 +18044,13 @@ function writeNodes(g) {
}
function writeEdges(g) {
- return lodash_1.map(g.edges(), function(e) {
+ return _$a.map(g.edges(), function(e) {
var edgeValue = g.edge(e);
var edge = { v: e.v, w: e.w };
- if (!lodash_1.isUndefined(e.name)) {
+ if (!_$a.isUndefined(e.name)) {
edge.name = e.name;
}
- if (!lodash_1.isUndefined(edgeValue)) {
+ if (!_$a.isUndefined(edgeValue)) {
edge.value = edgeValue;
}
return edge;
@@ -23048,19 +18058,21 @@ function writeEdges(g) {
}
function read(json) {
- var g = new graph(json.options).setGraph(json.value);
- lodash_1.each(json.nodes, function(entry) {
+ var g = new Graph$1(json.options).setGraph(json.value);
+ _$a.each(json.nodes, function(entry) {
g.setNode(entry.v, entry.value);
if (entry.parent) {
g.setParent(entry.v, entry.parent);
}
});
- lodash_1.each(json.edges, function(entry) {
+ _$a.each(json.edges, function(entry) {
g.setEdge({ v: entry.v, w: entry.w, name: entry.name }, entry.value);
});
return g;
}
+var _$9 = lodash_1;
+
var components_1 = components;
function components(g) {
@@ -23069,14 +18081,14 @@ function components(g) {
var cmpt;
function dfs(v) {
- if (lodash_1.has(visited, v)) return;
+ if (_$9.has(visited, v)) return;
visited[v] = true;
cmpt.push(v);
- lodash_1.each(g.successors(v), dfs);
- lodash_1.each(g.predecessors(v), dfs);
+ _$9.each(g.successors(v), dfs);
+ _$9.each(g.predecessors(v), dfs);
}
- lodash_1.each(g.nodes(), function(v) {
+ _$9.each(g.nodes(), function(v) {
cmpt = [];
dfs(v);
if (cmpt.length) {
@@ -23087,7 +18099,9 @@ function components(g) {
return cmpts;
}
-var priorityQueue = PriorityQueue;
+var _$8 = lodash_1;
+
+var priorityQueue = PriorityQueue$2;
/**
* A min-priority queue data structure. This algorithm is derived from Cormen,
@@ -23096,7 +18110,7 @@ var priorityQueue = PriorityQueue;
* the queue. Adding and removing elements takes O(log n) time. A key can
* have its priority decreased in O(log n) time.
*/
-function PriorityQueue() {
+function PriorityQueue$2() {
this._arr = [];
this._keyIndices = {};
}
@@ -23104,22 +18118,22 @@ function PriorityQueue() {
/**
* Returns the number of elements in the queue. Takes `O(1)` time.
*/
-PriorityQueue.prototype.size = function() {
+PriorityQueue$2.prototype.size = function() {
return this._arr.length;
};
/**
* Returns the keys that are in the queue. Takes `O(n)` time.
*/
-PriorityQueue.prototype.keys = function() {
+PriorityQueue$2.prototype.keys = function() {
return this._arr.map(function(x) { return x.key; });
};
/**
* Returns `true` if **key** is in the queue and `false` if not.
*/
-PriorityQueue.prototype.has = function(key) {
- return lodash_1.has(this._keyIndices, key);
+PriorityQueue$2.prototype.has = function(key) {
+ return _$8.has(this._keyIndices, key);
};
/**
@@ -23128,7 +18142,7 @@ PriorityQueue.prototype.has = function(key) {
*
* @param {Object} key
*/
-PriorityQueue.prototype.priority = function(key) {
+PriorityQueue$2.prototype.priority = function(key) {
var index = this._keyIndices[key];
if (index !== undefined) {
return this._arr[index].priority;
@@ -23139,7 +18153,7 @@ PriorityQueue.prototype.priority = function(key) {
* Returns the key for the minimum element in this queue. If the queue is
* empty this function throws an Error. Takes `O(1)` time.
*/
-PriorityQueue.prototype.min = function() {
+PriorityQueue$2.prototype.min = function() {
if (this.size() === 0) {
throw new Error("Queue underflow");
}
@@ -23154,10 +18168,10 @@ PriorityQueue.prototype.min = function() {
* @param {Object} key the key to add
* @param {Number} priority the initial priority for the key
*/
-PriorityQueue.prototype.add = function(key, priority) {
+PriorityQueue$2.prototype.add = function(key, priority) {
var keyIndices = this._keyIndices;
key = String(key);
- if (!lodash_1.has(keyIndices, key)) {
+ if (!_$8.has(keyIndices, key)) {
var arr = this._arr;
var index = arr.length;
keyIndices[key] = index;
@@ -23171,7 +18185,7 @@ PriorityQueue.prototype.add = function(key, priority) {
/**
* Removes and returns the smallest key in the queue. Takes `O(log n)` time.
*/
-PriorityQueue.prototype.removeMin = function() {
+PriorityQueue$2.prototype.removeMin = function() {
this._swap(0, this._arr.length - 1);
var min = this._arr.pop();
delete this._keyIndices[min.key];
@@ -23186,7 +18200,7 @@ PriorityQueue.prototype.removeMin = function() {
* @param {Object} key the key for which to raise priority
* @param {Number} priority the new priority for the key
*/
-PriorityQueue.prototype.decrease = function(key, priority) {
+PriorityQueue$2.prototype.decrease = function(key, priority) {
var index = this._keyIndices[key];
if (priority > this._arr[index].priority) {
throw new Error("New priority is greater than current priority. " +
@@ -23196,7 +18210,7 @@ PriorityQueue.prototype.decrease = function(key, priority) {
this._decrease(index);
};
-PriorityQueue.prototype._heapify = function(i) {
+PriorityQueue$2.prototype._heapify = function(i) {
var arr = this._arr;
var l = 2 * i;
var r = l + 1;
@@ -23213,7 +18227,7 @@ PriorityQueue.prototype._heapify = function(i) {
}
};
-PriorityQueue.prototype._decrease = function(index) {
+PriorityQueue$2.prototype._decrease = function(index) {
var arr = this._arr;
var priority = arr[index].priority;
var parent;
@@ -23227,7 +18241,7 @@ PriorityQueue.prototype._decrease = function(index) {
}
};
-PriorityQueue.prototype._swap = function(i, j) {
+PriorityQueue$2.prototype._swap = function(i, j) {
var arr = this._arr;
var keyIndices = this._keyIndices;
var origArrI = arr[i];
@@ -23238,11 +18252,14 @@ PriorityQueue.prototype._swap = function(i, j) {
keyIndices[origArrI.key] = j;
};
-var dijkstra_1 = dijkstra;
+var _$7 = lodash_1;
+var PriorityQueue$1 = priorityQueue;
-var DEFAULT_WEIGHT_FUNC$1 = lodash_1.constant(1);
+var dijkstra_1 = dijkstra$1;
-function dijkstra(g, source, weightFn, edgeFn) {
+var DEFAULT_WEIGHT_FUNC$1 = _$7.constant(1);
+
+function dijkstra$1(g, source, weightFn, edgeFn) {
return runDijkstra(g, String(source),
weightFn || DEFAULT_WEIGHT_FUNC$1,
edgeFn || function(v) { return g.outEdges(v); });
@@ -23250,7 +18267,7 @@ function dijkstra(g, source, weightFn, edgeFn) {
function runDijkstra(g, source, weightFn, edgeFn) {
var results = {};
- var pq = new priorityQueue();
+ var pq = new PriorityQueue$1();
var v, vEntry;
var updateNeighbors = function(edge) {
@@ -23290,17 +18307,22 @@ function runDijkstra(g, source, weightFn, edgeFn) {
return results;
}
+var dijkstra = dijkstra_1;
+var _$6 = lodash_1;
+
var dijkstraAll_1 = dijkstraAll;
function dijkstraAll(g, weightFunc, edgeFunc) {
- return lodash_1.transform(g.nodes(), function(acc, v) {
- acc[v] = dijkstra_1(g, v, weightFunc, edgeFunc);
+ return _$6.transform(g.nodes(), function(acc, v) {
+ acc[v] = dijkstra(g, v, weightFunc, edgeFunc);
}, {});
}
-var tarjan_1 = tarjan;
+var _$5 = lodash_1;
-function tarjan(g) {
+var tarjan_1 = tarjan$1;
+
+function tarjan$1(g) {
var index = 0;
var stack = [];
var visited = {}; // node id -> { onStack, lowlink, index }
@@ -23315,7 +18337,7 @@ function tarjan(g) {
stack.push(v);
g.successors(v).forEach(function(w) {
- if (!lodash_1.has(visited, w)) {
+ if (!_$5.has(visited, w)) {
dfs(w);
entry.lowlink = Math.min(entry.lowlink, visited[w].lowlink);
} else if (visited[w].onStack) {
@@ -23336,7 +18358,7 @@ function tarjan(g) {
}
g.nodes().forEach(function(v) {
- if (!lodash_1.has(visited, v)) {
+ if (!_$5.has(visited, v)) {
dfs(v);
}
});
@@ -23344,17 +18366,22 @@ function tarjan(g) {
return results;
}
+var _$4 = lodash_1;
+var tarjan = tarjan_1;
+
var findCycles_1 = findCycles;
function findCycles(g) {
- return lodash_1.filter(tarjan_1(g), function(cmpt) {
+ return _$4.filter(tarjan(g), function(cmpt) {
return cmpt.length > 1 || (cmpt.length === 1 && g.hasEdge(cmpt[0], cmpt[0]));
});
}
+var _$3 = lodash_1;
+
var floydWarshall_1 = floydWarshall;
-var DEFAULT_WEIGHT_FUNC = lodash_1.constant(1);
+var DEFAULT_WEIGHT_FUNC = _$3.constant(1);
function floydWarshall(g, weightFn, edgeFn) {
return runFloydWarshall(g,
@@ -23401,31 +18428,33 @@ function runFloydWarshall(g, weightFn, edgeFn) {
return results;
}
-var topsort_1 = topsort;
-topsort.CycleException = CycleException;
+var _$2 = lodash_1;
-function topsort(g) {
+var topsort_1 = topsort$1;
+topsort$1.CycleException = CycleException;
+
+function topsort$1(g) {
var visited = {};
var stack = {};
var results = [];
function visit(node) {
- if (lodash_1.has(stack, node)) {
+ if (_$2.has(stack, node)) {
throw new CycleException();
}
- if (!lodash_1.has(visited, node)) {
+ if (!_$2.has(visited, node)) {
stack[node] = true;
visited[node] = true;
- lodash_1.each(g.predecessors(node), visit);
+ _$2.each(g.predecessors(node), visit);
delete stack[node];
results.push(node);
}
}
- lodash_1.each(g.sinks(), visit);
+ _$2.each(g.sinks(), visit);
- if (lodash_1.size(visited) !== g.nodeCount()) {
+ if (_$2.size(visited) !== g.nodeCount()) {
throw new CycleException();
}
@@ -23435,13 +18464,15 @@ function topsort(g) {
function CycleException() {}
CycleException.prototype = new Error(); // must be an instance of Error to pass testing
+var topsort = topsort_1;
+
var isAcyclic_1 = isAcyclic;
function isAcyclic(g) {
try {
- topsort_1(g);
+ topsort(g);
} catch (e) {
- if (e instanceof topsort_1.CycleException) {
+ if (e instanceof topsort.CycleException) {
return false;
}
throw e;
@@ -23449,7 +18480,9 @@ function isAcyclic(g) {
return true;
}
-var dfs_1 = dfs;
+var _$1 = lodash_1;
+
+var dfs_1 = dfs$2;
/*
* A helper that preforms a pre- or post-order traversal on the input graph
@@ -23459,8 +18492,8 @@ var dfs_1 = dfs;
*
* Order must be one of "pre" or "post".
*/
-function dfs(g, vs, order) {
- if (!lodash_1.isArray(vs)) {
+function dfs$2(g, vs, order) {
+ if (!_$1.isArray(vs)) {
vs = [vs];
}
@@ -23468,7 +18501,7 @@ function dfs(g, vs, order) {
var acc = [];
var visited = {};
- lodash_1.each(vs, function(v) {
+ _$1.each(vs, function(v) {
if (!g.hasNode(v)) {
throw new Error("Graph does not have node: " + v);
}
@@ -23479,35 +18512,43 @@ function dfs(g, vs, order) {
}
function doDfs(g, v, postorder, visited, navigation, acc) {
- if (!lodash_1.has(visited, v)) {
+ if (!_$1.has(visited, v)) {
visited[v] = true;
if (!postorder) { acc.push(v); }
- lodash_1.each(navigation(v), function(w) {
+ _$1.each(navigation(v), function(w) {
doDfs(g, w, postorder, visited, navigation, acc);
});
if (postorder) { acc.push(v); }
}
}
+var dfs$1 = dfs_1;
+
var postorder_1 = postorder;
function postorder(g, vs) {
- return dfs_1(g, vs, "post");
+ return dfs$1(g, vs, "post");
}
+var dfs = dfs_1;
+
var preorder_1 = preorder;
function preorder(g, vs) {
- return dfs_1(g, vs, "pre");
+ return dfs(g, vs, "pre");
}
+var _ = lodash_1;
+var Graph = graph;
+var PriorityQueue = priorityQueue;
+
var prim_1 = prim;
function prim(g, weightFunc) {
- var result = new graph();
+ var result = new Graph();
var parents = {};
- var pq = new priorityQueue();
+ var pq = new PriorityQueue();
var v;
function updateNeighbors(edge) {
@@ -23526,7 +18567,7 @@ function prim(g, weightFunc) {
return result;
}
- lodash_1.each(g.nodes(), function(v) {
+ _.each(g.nodes(), function(v) {
pq.add(v, Number.POSITIVE_INFINITY);
result.setNode(v);
});
@@ -23537,7 +18578,7 @@ function prim(g, weightFunc) {
var init = false;
while (pq.size() > 0) {
v = pq.removeMin();
- if (lodash_1.has(parents, v)) {
+ if (_.has(parents, v)) {
result.setEdge(v, parents[v]);
} else if (init) {
throw new Error("Input graph is not connected: " + g);
@@ -23595,6 +18636,8 @@ var alg = {
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
+var lib = lib$1;
+
var graphlib = {
Graph: lib.Graph,
json: json,
@@ -23602,9 +18645,11 @@ var graphlib = {
version: lib.version
};
-var objectHash_1 = createCommonjsModule(function (module, exports) {
+var objectHash = {exports: {}};
+(function (module, exports) {
+var crypto = require$$0__default["default"];
/**
* Exported function
@@ -23658,7 +18703,7 @@ exports.keysMD5 = function(object){
};
// Internals
-var hashes = crypto__default['default'].getHashes ? crypto__default['default'].getHashes().slice() : ['sha1', 'md5'];
+var hashes = crypto.getHashes ? crypto.getHashes().slice() : ['sha1', 'md5'];
hashes.push('passthrough');
var encodings = ['buffer', 'hex', 'binary', 'base64'];
@@ -23721,7 +18766,7 @@ function hash(object, options) {
var hashingStream;
if (options.algorithm !== 'passthrough') {
- hashingStream = crypto__default['default'].createHash(options.algorithm);
+ hashingStream = crypto.createHash(options.algorithm);
} else {
hashingStream = new PassThrough();
}
@@ -24055,7 +19100,9 @@ function PassThrough() {
}
};
}
-});
+}(objectHash, objectHash.exports));
+
+var hash = objectHash.exports;
/**
* Saves data in new cache folder or reads it from old one.
@@ -24080,9 +19127,9 @@ class RollingCache {
exists(name) {
if (this.rolled)
return false;
- if (this.checkNewCache && fs.existsSync(`${this.newCacheRoot}/${name}`))
+ if (this.checkNewCache && require$$0$1.existsSync(`${this.newCacheRoot}/${name}`))
return true;
- return fs.existsSync(`${this.oldCacheRoot}/${name}`);
+ return require$$0$1.existsSync(`${this.oldCacheRoot}/${name}`);
}
path(name) {
return `${this.oldCacheRoot}/${name}`;
@@ -24093,15 +19140,15 @@ class RollingCache {
match(names) {
if (this.rolled)
return false;
- if (!fs.existsSync(this.oldCacheRoot))
+ if (!require$$0$1.existsSync(this.oldCacheRoot))
return names.length === 0; // empty folder matches
- return lodash$1.isEqual(fs.readdirSync(this.oldCacheRoot).sort(), names.sort());
+ return lodash$1.exports.isEqual(require$$0$1.readdirSync(this.oldCacheRoot).sort(), names.sort());
}
/**
* @returns data for name, must exist in old cache (or either old of new cache if checkNewCache is true)
*/
read(name) {
- if (this.checkNewCache && fs.existsSync(`${this.newCacheRoot}/${name}`))
+ if (this.checkNewCache && require$$0$1.existsSync(`${this.newCacheRoot}/${name}`))
return fsExtra.readJsonSync(`${this.newCacheRoot}/${name}`, { encoding: "utf8", throws: false });
return fsExtra.readJsonSync(`${this.oldCacheRoot}/${name}`, { encoding: "utf8", throws: false });
}
@@ -24125,12 +19172,18 @@ class RollingCache {
return;
this.rolled = true;
fsExtra.removeSync(this.oldCacheRoot);
- if (fs.existsSync(this.newCacheRoot)) {
- fs.renameSync(this.newCacheRoot, this.oldCacheRoot);
+ if (require$$0$1.existsSync(this.newCacheRoot)) {
+ require$$0$1.renameSync(this.newCacheRoot, this.oldCacheRoot);
}
}
}
+var safe = {exports: {}};
+
+var colors = {exports: {}};
+
+var styles = {exports: {}};
+
/*
The MIT License (MIT)
@@ -24156,7 +19209,7 @@ THE SOFTWARE.
*/
-var styles_1 = createCommonjsModule(function (module) {
+(function (module) {
var styles = {};
module['exports'] = styles;
@@ -24227,7 +19280,7 @@ Object.keys(codes).forEach(function(key) {
style.open = '\u001b[' + val[0] + 'm';
style.close = '\u001b[' + val[1] + 'm';
});
-});
+}(styles));
/*
MIT License
@@ -24253,7 +19306,7 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
-var hasFlag = function(flag, argv) {
+var hasFlag$1 = function(flag, argv) {
argv = argv || process.argv;
var terminatorPos = argv.indexOf('--');
@@ -24288,8 +19341,8 @@ THE SOFTWARE.
*/
-
-
+var os = require$$0__default$1["default"];
+var hasFlag = hasFlag$1;
var env$1 = process.env;
@@ -24345,7 +19398,7 @@ function supportsColor(stream) {
// release, and Node.js 7 is not. Windows 10 build 10586 is the first
// Windows release that supports 256 colors. Windows 10 build 14931 is the
// first release that supports 16m/TrueColor.
- var osRelease = os__default['default'].release().split('.');
+ var osRelease = os.release().split('.');
if (Number(process.versions.node.split('.')[0]) >= 8
&& Number(osRelease[0]) >= 10 && Number(osRelease[2]) >= 10586) {
return Number(osRelease[2]) >= 14931 ? 3 : 2;
@@ -24413,7 +19466,9 @@ var supportsColors = {
stderr: getSupportLevel(process.stderr),
};
-var trap = createCommonjsModule(function (module) {
+var trap = {exports: {}};
+
+(function (module) {
module['exports'] = function runTheTrap(text, options) {
var result = '';
text = text || 'Run the trap, drop the bass';
@@ -24460,9 +19515,11 @@ module['exports'] = function runTheTrap(text, options) {
});
return result;
};
-});
+}(trap));
-var zalgo = createCommonjsModule(function (module) {
+var zalgo = {exports: {}};
+
+(function (module) {
// please no
module['exports'] = function zalgo(text, options) {
text = text || ' he is here ';
@@ -24572,9 +19629,11 @@ module['exports'] = function zalgo(text, options) {
// don't summon him
return heComes(text, options);
};
-});
+}(zalgo));
-var america = createCommonjsModule(function (module) {
+var america = {exports: {}};
+
+(function (module) {
module['exports'] = function(colors) {
return function(letter, i, exploded) {
if (letter === ' ') return letter;
@@ -24585,17 +19644,21 @@ module['exports'] = function(colors) {
}
};
};
-});
+}(america));
-var zebra = createCommonjsModule(function (module) {
+var zebra = {exports: {}};
+
+(function (module) {
module['exports'] = function(colors) {
return function(letter, i, exploded) {
return i % 2 === 0 ? letter : colors.inverse(letter);
};
};
-});
+}(zebra));
-var rainbow = createCommonjsModule(function (module) {
+var rainbow = {exports: {}};
+
+(function (module) {
module['exports'] = function(colors) {
// RoY G BiV
var rainbowColors = ['red', 'yellow', 'green', 'blue', 'magenta'];
@@ -24607,9 +19670,11 @@ module['exports'] = function(colors) {
}
};
};
-});
+}(rainbow));
-var random = createCommonjsModule(function (module) {
+var random = {exports: {}};
+
+(function (module) {
module['exports'] = function(colors) {
var available = ['underline', 'inverse', 'grey', 'yellow', 'red', 'green',
'blue', 'white', 'cyan', 'magenta', 'brightYellow', 'brightRed',
@@ -24621,7 +19686,7 @@ module['exports'] = function(colors) {
](letter);
};
};
-});
+}(random));
/*
@@ -24653,14 +19718,14 @@ THE SOFTWARE.
*/
-var colors_1 = createCommonjsModule(function (module) {
+(function (module) {
var colors = {};
module['exports'] = colors;
colors.themes = {};
-
-var ansiStyles = colors.styles = styles_1;
+var util = require$$2__default["default"];
+var ansiStyles = colors.styles = styles.exports;
var defineProps = Object.defineProperties;
var newLineRegex = new RegExp(/[\r\n]+/g);
@@ -24719,7 +19784,7 @@ function build(_styles) {
return builder;
}
-var styles = (function() {
+var styles$1 = (function() {
var ret = {};
ansiStyles.grey = ansiStyles.gray;
Object.keys(ansiStyles).forEach(function(key) {
@@ -24734,7 +19799,7 @@ var styles = (function() {
return ret;
})();
-var proto = defineProps(function colors() {}, styles);
+var proto = defineProps(function colors() {}, styles$1);
function applyStyle() {
var args = Array.prototype.slice.call(arguments);
@@ -24744,7 +19809,7 @@ function applyStyle() {
if (arg != null && arg.constructor === String) {
return arg;
} else {
- return require$$0__default['default'].inspect(arg);
+ return util.inspect(arg);
}
}).join(' ');
@@ -24799,7 +19864,7 @@ colors.setTheme = function(theme) {
function init() {
var ret = {};
- Object.keys(styles).forEach(function(name) {
+ Object.keys(styles$1).forEach(function(name) {
ret[name] = {
get: function() {
return build([name]);
@@ -24816,15 +19881,15 @@ var sequencer = function sequencer(map, str) {
};
// custom formatter methods
-colors.trap = trap;
-colors.zalgo = zalgo;
+colors.trap = trap.exports;
+colors.zalgo = zalgo.exports;
// maps
colors.maps = {};
-colors.maps.america = america(colors);
-colors.maps.zebra = zebra(colors);
-colors.maps.rainbow = rainbow(colors);
-colors.maps.random = random(colors);
+colors.maps.america = america.exports(colors);
+colors.maps.zebra = zebra.exports(colors);
+colors.maps.rainbow = rainbow.exports(colors);
+colors.maps.random = random.exports(colors);
for (var map in colors.maps) {
(function(map) {
@@ -24835,9 +19900,9 @@ for (var map in colors.maps) {
}
defineProps(colors, init());
-});
+}(colors));
-var safe = createCommonjsModule(function (module) {
+(function (module) {
//
// Remark: Requiring this file will use the "safe" colors API,
// which will not touch String.prototype.
@@ -24846,16 +19911,16 @@ var safe = createCommonjsModule(function (module) {
// colors.red("foo")
//
//
-
-module['exports'] = colors_1;
-});
+var colors$1 = colors.exports;
+module['exports'] = colors$1;
+}(safe));
class FormatHost {
getCurrentDirectory() {
return tsModule.sys.getCurrentDirectory();
}
getCanonicalFileName(fileName) {
- return path__namespace.normalize(fileName);
+ return require$$0__namespace.normalize(fileName);
}
getNewLine() {
return tsModule.sys.newLine;
@@ -24890,11 +19955,11 @@ class NoCache {
function convertEmitOutput(output, references) {
const out = { code: "", references };
output.outputFiles.forEach((e) => {
- if (lodash$1.endsWith(e.name, ".d.ts"))
+ if (lodash$1.exports.endsWith(e.name, ".d.ts"))
out.dts = e;
- else if (lodash$1.endsWith(e.name, ".d.ts.map"))
+ else if (lodash$1.exports.endsWith(e.name, ".d.ts.map"))
out.dtsmap = e;
- else if (lodash$1.endsWith(e.name, ".map"))
+ else if (lodash$1.exports.endsWith(e.name, ".map"))
out.map = e.text;
else
out.code = e.text;
@@ -24905,13 +19970,13 @@ function getAllReferences(importer, snapshot, options) {
if (!snapshot)
return [];
const info = tsModule.preProcessFile(snapshot.getText(0, snapshot.getLength()), true, true);
- return lodash$1.compact(lodash$1.concat(info.referencedFiles, info.importedFiles).map((reference) => {
+ return lodash$1.exports.compact(lodash$1.exports.concat(info.referencedFiles, info.importedFiles).map((reference) => {
const resolved = tsModule.nodeModuleNameResolver(reference.fileName, importer, options, tsModule.sys);
return resolved.resolvedModule ? resolved.resolvedModule.resolvedFileName : undefined;
}));
}
function convertDiagnostic(type, data) {
- return lodash$1.map(data, (diagnostic) => {
+ return lodash$1.exports.map(data, (diagnostic) => {
const entry = {
flatMessage: tsModule.flattenDiagnosticMessageText(diagnostic.messageText, "\n"),
formatted: tsModule.formatDiagnosticsWithColorAndContext(data, formatHost),
@@ -24940,7 +20005,7 @@ class TsCache {
this.hashOptions = { algorithm: "sha1", ignoreUnknown: false };
this.hashOptions.ignoreUnknown = hashIgnoreUnknown;
if (!noCache) {
- this.cacheDir = `${this.cacheRoot}/${this.cachePrefix}${objectHash_1({
+ this.cacheDir = `${this.cacheRoot}/${this.cachePrefix}${hash({
version: this.cacheVersion,
rootFilenames,
options: this.options,
@@ -24950,10 +20015,10 @@ class TsCache {
}
this.dependencyTree = new graphlib.Graph({ directed: true });
this.dependencyTree.setDefaultNodeLabel((_node) => ({ dirty: false }));
- const automaticTypes = lodash$1.map(tsModule.getAutomaticTypeDirectiveNames(options, tsModule.sys), (entry) => tsModule.resolveTypeReferenceDirective(entry, undefined, options, tsModule.sys))
+ const automaticTypes = lodash$1.exports.map(tsModule.getAutomaticTypeDirectiveNames(options, tsModule.sys), (entry) => tsModule.resolveTypeReferenceDirective(entry, undefined, options, tsModule.sys))
.filter((entry) => entry.resolvedTypeReferenceDirective && entry.resolvedTypeReferenceDirective.resolvedFileName)
.map((entry) => entry.resolvedTypeReferenceDirective.resolvedFileName);
- this.ambientTypes = lodash$1.filter(rootFilenames, (file) => lodash$1.endsWith(file, ".d.ts"))
+ this.ambientTypes = lodash$1.exports.filter(rootFilenames, (file) => lodash$1.exports.endsWith(file, ".d.ts"))
.concat(automaticTypes)
.map((id) => ({ id, snapshot: this.host.getScriptSnapshot(id) }));
this.init();
@@ -24965,7 +20030,7 @@ class TsCache {
entries.forEach((e) => {
const dir = `${this.cacheRoot}/${e}`;
if (e.startsWith(this.cachePrefix) && fsExtra.statSync(dir).isDirectory) {
- this.context.info(safe.blue(`cleaning cache: ${dir}`));
+ this.context.info(safe.exports.blue(`cleaning cache: ${dir}`));
fsExtra.emptyDirSync(`${dir}`);
fsExtra.removeSync(`${dir}`);
}
@@ -24977,21 +20042,21 @@ class TsCache {
}
setDependency(importee, importer) {
// importee -> importer
- this.context.debug(`${safe.blue("dependency")} '${importee}'`);
+ this.context.debug(`${safe.exports.blue("dependency")} '${importee}'`);
this.context.debug(` imported by '${importer}'`);
this.dependencyTree.setEdge(importer, importee);
}
walkTree(cb) {
const acyclic = graphlib.alg.isAcyclic(this.dependencyTree);
if (acyclic) {
- lodash$1.each(graphlib.alg.topsort(this.dependencyTree), (id) => cb(id));
+ lodash$1.exports.each(graphlib.alg.topsort(this.dependencyTree), (id) => cb(id));
return;
}
- this.context.info(safe.yellow("import tree has cycles"));
- lodash$1.each(this.dependencyTree.nodes(), (id) => cb(id));
+ this.context.info(safe.exports.yellow("import tree has cycles"));
+ lodash$1.exports.each(this.dependencyTree.nodes(), (id) => cb(id));
}
done() {
- this.context.info(safe.blue("rolling caches"));
+ this.context.info(safe.exports.blue("rolling caches"));
this.codeCache.roll();
this.semanticDiagnosticsCache.roll();
this.syntacticDiagnosticsCache.roll();
@@ -24999,24 +20064,24 @@ class TsCache {
}
getCompiled(id, snapshot, transform) {
if (this.noCache) {
- this.context.info(`${safe.blue("transpiling")} '${id}'`);
+ this.context.info(`${safe.exports.blue("transpiling")} '${id}'`);
this.markAsDirty(id);
return transform();
}
const name = this.makeName(id, snapshot);
- this.context.info(`${safe.blue("transpiling")} '${id}'`);
+ this.context.info(`${safe.exports.blue("transpiling")} '${id}'`);
this.context.debug(` cache: '${this.codeCache.path(name)}'`);
if (this.codeCache.exists(name) && !this.isDirty(id, false)) {
- this.context.debug(safe.green(" cache hit"));
+ this.context.debug(safe.exports.green(" cache hit"));
const data = this.codeCache.read(name);
if (data) {
this.codeCache.write(name, data);
return data;
}
else
- this.context.warn(safe.yellow(" cache broken, discarding"));
+ this.context.warn(safe.exports.yellow(" cache broken, discarding"));
}
- this.context.debug(safe.yellow(" cache miss"));
+ this.context.debug(safe.exports.yellow(" cache miss"));
const transformedData = transform();
this.codeCache.write(name, transformedData);
this.markAsDirty(id);
@@ -25033,8 +20098,8 @@ class TsCache {
this.ambientTypesDirty = true;
return;
}
- this.context.debug(safe.blue("Ambient types:"));
- const typeNames = lodash$1.filter(this.ambientTypes, (snapshot) => snapshot.snapshot !== undefined)
+ this.context.debug(safe.exports.blue("Ambient types:"));
+ const typeNames = lodash$1.exports.filter(this.ambientTypes, (snapshot) => snapshot.snapshot !== undefined)
.map((snapshot) => {
this.context.debug(` ${snapshot.id}`);
return this.makeName(snapshot.id, snapshot.snapshot);
@@ -25042,8 +20107,8 @@ class TsCache {
// types dirty if any d.ts changed, added or removed
this.ambientTypesDirty = !this.typesCache.match(typeNames);
if (this.ambientTypesDirty)
- this.context.info(safe.yellow("ambient types changed, redoing all semantic diagnostics"));
- lodash$1.each(typeNames, (name) => this.typesCache.touch(name));
+ this.context.info(safe.exports.yellow("ambient types changed, redoing all semantic diagnostics"));
+ lodash$1.exports.each(typeNames, (name) => this.typesCache.touch(name));
}
getDiagnostics(type, cache, id, snapshot, check) {
if (this.noCache) {
@@ -25053,16 +20118,16 @@ class TsCache {
const name = this.makeName(id, snapshot);
this.context.debug(` cache: '${cache.path(name)}'`);
if (cache.exists(name) && !this.isDirty(id, true)) {
- this.context.debug(safe.green(" cache hit"));
+ this.context.debug(safe.exports.green(" cache hit"));
const data = cache.read(name);
if (data) {
cache.write(name, data);
return data;
}
else
- this.context.warn(safe.yellow(" cache broken, discarding"));
+ this.context.warn(safe.exports.yellow(" cache broken, discarding"));
}
- this.context.debug(safe.yellow(" cache miss"));
+ this.context.debug(safe.exports.yellow(" cache miss"));
const convertedData = convertDiagnostic(type, check());
cache.write(name, convertedData);
this.markAsDirty(id);
@@ -25097,7 +20162,7 @@ class TsCache {
if (this.ambientTypesDirty)
return true;
const dependencies = graphlib.alg.dijkstra(this.dependencyTree, id);
- return lodash$1.some(dependencies, (dependency, node) => {
+ return lodash$1.exports.some(dependencies, (dependency, node) => {
if (!node || dependency.distance === Infinity)
return false;
const l = this.dependencyTree.node(node);
@@ -25109,30 +20174,30 @@ class TsCache {
}
makeName(id, snapshot) {
const data = snapshot.getText(0, snapshot.getLength());
- return objectHash_1({ data, id }, this.hashOptions);
+ return hash({ data, id }, this.hashOptions);
}
}
function printDiagnostics(context, diagnostics, pretty) {
- lodash$1.each(diagnostics, (diagnostic) => {
+ lodash$1.exports.each(diagnostics, (diagnostic) => {
let print;
let color;
let category;
switch (diagnostic.category) {
case tsModule.DiagnosticCategory.Message:
print = context.info;
- color = safe.white;
+ color = safe.exports.white;
category = "";
break;
case tsModule.DiagnosticCategory.Error:
print = context.error;
- color = safe.red;
+ color = safe.exports.red;
category = "error";
break;
case tsModule.DiagnosticCategory.Warning:
default:
print = context.warn;
- color = safe.yellow;
+ color = safe.exports.yellow;
category = "warning";
break;
}
@@ -25173,12 +20238,12 @@ function getOptionsOverrides({ useTsconfigDeclarationDir, cacheRoot }, preParsed
return overrides;
}
function expandIncludeWithDirs(include, dirs) {
- return lodash$1.chain(dirs)
+ return lodash$1.exports.chain(dirs)
.flatMap((root) => {
if (include instanceof Array)
- return include.map((x) => path.join(root, x));
+ return include.map((x) => require$$0$3.join(root, x));
else
- return path.join(root, include);
+ return require$$0$3.join(root, include);
})
.uniq()
.value();
@@ -25191,8 +20256,8 @@ function createFilter(context, pluginOptions, parsedConfig) {
excluded = expandIncludeWithDirs(excluded, parsedConfig.options.rootDirs);
}
if (parsedConfig.projectReferences) {
- included = lodash$1.concat(included, expandIncludeWithDirs(included, parsedConfig.projectReferences.map((x) => x.path)));
- excluded = lodash$1.concat(excluded, expandIncludeWithDirs(excluded, parsedConfig.projectReferences.map((x) => x.path)));
+ included = lodash$1.exports.concat(included, expandIncludeWithDirs(included, parsedConfig.projectReferences.map((x) => x.path)));
+ excluded = lodash$1.exports.concat(excluded, expandIncludeWithDirs(excluded, parsedConfig.projectReferences.map((x) => x.path)));
}
context.debug(() => `included:\n${JSON.stringify(included, undefined, 4)}`);
context.debug(() => `excluded:\n${JSON.stringify(excluded, undefined, 4)}`);
@@ -25219,17 +20284,17 @@ function parseTsConfig(context, pluginOptions) {
if (text === undefined)
throw new Error(`rpt2: failed to read '${fileName}'`);
const result = tsModule.parseConfigFileTextToJson(fileName, text);
- pretty = lodash$1.get(result.config, "pretty", pretty);
+ pretty = lodash$1.exports.get(result.config, "pretty", pretty);
if (result.error !== undefined) {
printDiagnostics(context, convertDiagnostic("config", [result.error]), pretty);
throw new Error(`rpt2: failed to parse '${fileName}'`);
}
loadedConfig = result.config;
- baseDir = path.dirname(fileName);
+ baseDir = require$$0$3.dirname(fileName);
configFileName = fileName;
}
const mergedConfig = {};
- lodash$1.merge(mergedConfig, pluginOptions.tsconfigDefaults, loadedConfig, pluginOptions.tsconfigOverride);
+ lodash$1.exports.merge(mergedConfig, pluginOptions.tsconfigDefaults, loadedConfig, pluginOptions.tsconfigOverride);
const preParsedTsConfig = tsModule.parseJsonConfigFileContent(mergedConfig, tsModule.sys, baseDir, getOptionsOverrides(pluginOptions), configFileName);
const compilerOptionsOverride = getOptionsOverrides(pluginOptions, preParsedTsConfig);
const parsedTsConfig = tsModule.parseJsonConfigFileContent(mergedConfig, tsModule.sys, baseDir, compilerOptionsOverride, configFileName);
@@ -25250,7 +20315,7 @@ try {
const _ = require("@yarn-tool/resolve-package").resolvePackage('tslib');
const tslibPackage = _.pkg;
const tslibPath = _.resolveLocation(tslibPackage.module);
- tslibSource = fs.readFileSync(tslibPath, "utf8");
+ tslibSource = require$$0$1.readFileSync(tslibPath, "utf8");
tslibVersion = tslibPackage.version;
}
catch (e) {
@@ -25258,2771 +20323,12 @@ catch (e) {
throw e;
}
-// Note: this is the semver.org version of the spec that it implements
-// Not necessarily the package version of this code.
-const SEMVER_SPEC_VERSION = '2.0.0';
-
-const MAX_LENGTH$2 = 256;
-const MAX_SAFE_INTEGER$1 = Number.MAX_SAFE_INTEGER ||
-/* istanbul ignore next */ 9007199254740991;
-
-// Max safe segment length for coercion.
-const MAX_SAFE_COMPONENT_LENGTH = 16;
-
-var constants = {
- SEMVER_SPEC_VERSION,
- MAX_LENGTH: MAX_LENGTH$2,
- MAX_SAFE_INTEGER: MAX_SAFE_INTEGER$1,
- MAX_SAFE_COMPONENT_LENGTH,
-};
-
-const debug = (
- typeof process === 'object' &&
- process.env &&
- process.env.NODE_DEBUG &&
- /\bsemver\b/i.test(process.env.NODE_DEBUG)
-) ? (...args) => console.error('SEMVER', ...args)
- : () => {};
-
-var debug_1 = debug;
-
-var re_1 = createCommonjsModule(function (module, exports) {
-const { MAX_SAFE_COMPONENT_LENGTH } = constants;
-
-exports = module.exports = {};
-
-// The actual regexps go on exports.re
-const re = exports.re = [];
-const src = exports.src = [];
-const t = exports.t = {};
-let R = 0;
-
-const createToken = (name, value, isGlobal) => {
- const index = R++;
- debug_1(name, index, value);
- t[name] = index;
- src[index] = value;
- re[index] = new RegExp(value, isGlobal ? 'g' : undefined);
-};
-
-// The following Regular Expressions can be used for tokenizing,
-// validating, and parsing SemVer version strings.
-
-// ## Numeric Identifier
-// A single `0`, or a non-zero digit followed by zero or more digits.
-
-createToken('NUMERICIDENTIFIER', '0|[1-9]\\d*');
-createToken('NUMERICIDENTIFIERLOOSE', '[0-9]+');
-
-// ## Non-numeric Identifier
-// Zero or more digits, followed by a letter or hyphen, and then zero or
-// more letters, digits, or hyphens.
-
-createToken('NONNUMERICIDENTIFIER', '\\d*[a-zA-Z-][a-zA-Z0-9-]*');
-
-// ## Main Version
-// Three dot-separated numeric identifiers.
-
-createToken('MAINVERSION', `(${src[t.NUMERICIDENTIFIER]})\\.` +
- `(${src[t.NUMERICIDENTIFIER]})\\.` +
- `(${src[t.NUMERICIDENTIFIER]})`);
-
-createToken('MAINVERSIONLOOSE', `(${src[t.NUMERICIDENTIFIERLOOSE]})\\.` +
- `(${src[t.NUMERICIDENTIFIERLOOSE]})\\.` +
- `(${src[t.NUMERICIDENTIFIERLOOSE]})`);
-
-// ## Pre-release Version Identifier
-// A numeric identifier, or a non-numeric identifier.
-
-createToken('PRERELEASEIDENTIFIER', `(?:${src[t.NUMERICIDENTIFIER]
-}|${src[t.NONNUMERICIDENTIFIER]})`);
-
-createToken('PRERELEASEIDENTIFIERLOOSE', `(?:${src[t.NUMERICIDENTIFIERLOOSE]
-}|${src[t.NONNUMERICIDENTIFIER]})`);
-
-// ## Pre-release Version
-// Hyphen, followed by one or more dot-separated pre-release version
-// identifiers.
-
-createToken('PRERELEASE', `(?:-(${src[t.PRERELEASEIDENTIFIER]
-}(?:\\.${src[t.PRERELEASEIDENTIFIER]})*))`);
-
-createToken('PRERELEASELOOSE', `(?:-?(${src[t.PRERELEASEIDENTIFIERLOOSE]
-}(?:\\.${src[t.PRERELEASEIDENTIFIERLOOSE]})*))`);
-
-// ## Build Metadata Identifier
-// Any combination of digits, letters, or hyphens.
-
-createToken('BUILDIDENTIFIER', '[0-9A-Za-z-]+');
-
-// ## Build Metadata
-// Plus sign, followed by one or more period-separated build metadata
-// identifiers.
-
-createToken('BUILD', `(?:\\+(${src[t.BUILDIDENTIFIER]
-}(?:\\.${src[t.BUILDIDENTIFIER]})*))`);
-
-// ## Full Version String
-// A main version, followed optionally by a pre-release version and
-// build metadata.
-
-// Note that the only major, minor, patch, and pre-release sections of
-// the version string are capturing groups. The build metadata is not a
-// capturing group, because it should not ever be used in version
-// comparison.
-
-createToken('FULLPLAIN', `v?${src[t.MAINVERSION]
-}${src[t.PRERELEASE]}?${
- src[t.BUILD]}?`);
-
-createToken('FULL', `^${src[t.FULLPLAIN]}$`);
-
-// like full, but allows v1.2.3 and =1.2.3, which people do sometimes.
-// also, 1.0.0alpha1 (prerelease without the hyphen) which is pretty
-// common in the npm registry.
-createToken('LOOSEPLAIN', `[v=\\s]*${src[t.MAINVERSIONLOOSE]
-}${src[t.PRERELEASELOOSE]}?${
- src[t.BUILD]}?`);
-
-createToken('LOOSE', `^${src[t.LOOSEPLAIN]}$`);
-
-createToken('GTLT', '((?:<|>)?=?)');
-
-// Something like "2.*" or "1.2.x".
-// Note that "x.x" is a valid xRange identifer, meaning "any version"
-// Only the first item is strictly required.
-createToken('XRANGEIDENTIFIERLOOSE', `${src[t.NUMERICIDENTIFIERLOOSE]}|x|X|\\*`);
-createToken('XRANGEIDENTIFIER', `${src[t.NUMERICIDENTIFIER]}|x|X|\\*`);
-
-createToken('XRANGEPLAIN', `[v=\\s]*(${src[t.XRANGEIDENTIFIER]})` +
- `(?:\\.(${src[t.XRANGEIDENTIFIER]})` +
- `(?:\\.(${src[t.XRANGEIDENTIFIER]})` +
- `(?:${src[t.PRERELEASE]})?${
- src[t.BUILD]}?` +
- `)?)?`);
-
-createToken('XRANGEPLAINLOOSE', `[v=\\s]*(${src[t.XRANGEIDENTIFIERLOOSE]})` +
- `(?:\\.(${src[t.XRANGEIDENTIFIERLOOSE]})` +
- `(?:\\.(${src[t.XRANGEIDENTIFIERLOOSE]})` +
- `(?:${src[t.PRERELEASELOOSE]})?${
- src[t.BUILD]}?` +
- `)?)?`);
-
-createToken('XRANGE', `^${src[t.GTLT]}\\s*${src[t.XRANGEPLAIN]}$`);
-createToken('XRANGELOOSE', `^${src[t.GTLT]}\\s*${src[t.XRANGEPLAINLOOSE]}$`);
-
-// Coercion.
-// Extract anything that could conceivably be a part of a valid semver
-createToken('COERCE', `${'(^|[^\\d])' +
- '(\\d{1,'}${MAX_SAFE_COMPONENT_LENGTH}})` +
- `(?:\\.(\\d{1,${MAX_SAFE_COMPONENT_LENGTH}}))?` +
- `(?:\\.(\\d{1,${MAX_SAFE_COMPONENT_LENGTH}}))?` +
- `(?:$|[^\\d])`);
-createToken('COERCERTL', src[t.COERCE], true);
-
-// Tilde ranges.
-// Meaning is "reasonably at or greater than"
-createToken('LONETILDE', '(?:~>?)');
-
-createToken('TILDETRIM', `(\\s*)${src[t.LONETILDE]}\\s+`, true);
-exports.tildeTrimReplace = '$1~';
-
-createToken('TILDE', `^${src[t.LONETILDE]}${src[t.XRANGEPLAIN]}$`);
-createToken('TILDELOOSE', `^${src[t.LONETILDE]}${src[t.XRANGEPLAINLOOSE]}$`);
-
-// Caret ranges.
-// Meaning is "at least and backwards compatible with"
-createToken('LONECARET', '(?:\\^)');
-
-createToken('CARETTRIM', `(\\s*)${src[t.LONECARET]}\\s+`, true);
-exports.caretTrimReplace = '$1^';
-
-createToken('CARET', `^${src[t.LONECARET]}${src[t.XRANGEPLAIN]}$`);
-createToken('CARETLOOSE', `^${src[t.LONECARET]}${src[t.XRANGEPLAINLOOSE]}$`);
-
-// A simple gt/lt/eq thing, or just "" to indicate "any version"
-createToken('COMPARATORLOOSE', `^${src[t.GTLT]}\\s*(${src[t.LOOSEPLAIN]})$|^$`);
-createToken('COMPARATOR', `^${src[t.GTLT]}\\s*(${src[t.FULLPLAIN]})$|^$`);
-
-// An expression to strip any whitespace between the gtlt and the thing
-// it modifies, so that `> 1.2.3` ==> `>1.2.3`
-createToken('COMPARATORTRIM', `(\\s*)${src[t.GTLT]
-}\\s*(${src[t.LOOSEPLAIN]}|${src[t.XRANGEPLAIN]})`, true);
-exports.comparatorTrimReplace = '$1$2$3';
-
-// Something like `1.2.3 - 1.2.4`
-// Note that these all use the loose form, because they'll be
-// checked against either the strict or loose comparator form
-// later.
-createToken('HYPHENRANGE', `^\\s*(${src[t.XRANGEPLAIN]})` +
- `\\s+-\\s+` +
- `(${src[t.XRANGEPLAIN]})` +
- `\\s*$`);
-
-createToken('HYPHENRANGELOOSE', `^\\s*(${src[t.XRANGEPLAINLOOSE]})` +
- `\\s+-\\s+` +
- `(${src[t.XRANGEPLAINLOOSE]})` +
- `\\s*$`);
-
-// Star ranges basically just allow anything at all.
-createToken('STAR', '(<|>)?=?\\s*\\*');
-// >=0.0.0 is like a star
-createToken('GTE0', '^\\s*>=\\s*0\\.0\\.0\\s*$');
-createToken('GTE0PRE', '^\\s*>=\\s*0\\.0\\.0-0\\s*$');
-});
-
-// parse out just the options we care about so we always get a consistent
-// obj with keys in a consistent order.
-const opts = ['includePrerelease', 'loose', 'rtl'];
-const parseOptions = options =>
- !options ? {}
- : typeof options !== 'object' ? { loose: true }
- : opts.filter(k => options[k]).reduce((o, k) => {
- o[k] = true;
- return o
- }, {});
-var parseOptions_1 = parseOptions;
-
-const numeric = /^[0-9]+$/;
-const compareIdentifiers$1 = (a, b) => {
- const anum = numeric.test(a);
- const bnum = numeric.test(b);
-
- if (anum && bnum) {
- a = +a;
- b = +b;
- }
-
- return a === b ? 0
- : (anum && !bnum) ? -1
- : (bnum && !anum) ? 1
- : a < b ? -1
- : 1
-};
-
-const rcompareIdentifiers = (a, b) => compareIdentifiers$1(b, a);
-
-var identifiers = {
- compareIdentifiers: compareIdentifiers$1,
- rcompareIdentifiers,
-};
-
-const { MAX_LENGTH: MAX_LENGTH$1, MAX_SAFE_INTEGER } = constants;
-const { re: re$4, t: t$4 } = re_1;
-
-
-const { compareIdentifiers } = identifiers;
-class SemVer {
- constructor (version, options) {
- options = parseOptions_1(options);
-
- if (version instanceof SemVer) {
- if (version.loose === !!options.loose &&
- version.includePrerelease === !!options.includePrerelease) {
- return version
- } else {
- version = version.version;
- }
- } else if (typeof version !== 'string') {
- throw new TypeError(`Invalid Version: ${version}`)
- }
-
- if (version.length > MAX_LENGTH$1) {
- throw new TypeError(
- `version is longer than ${MAX_LENGTH$1} characters`
- )
- }
-
- debug_1('SemVer', version, options);
- this.options = options;
- this.loose = !!options.loose;
- // this isn't actually relevant for versions, but keep it so that we
- // don't run into trouble passing this.options around.
- this.includePrerelease = !!options.includePrerelease;
-
- const m = version.trim().match(options.loose ? re$4[t$4.LOOSE] : re$4[t$4.FULL]);
-
- if (!m) {
- throw new TypeError(`Invalid Version: ${version}`)
- }
-
- this.raw = version;
-
- // these are actually numbers
- this.major = +m[1];
- this.minor = +m[2];
- this.patch = +m[3];
-
- if (this.major > MAX_SAFE_INTEGER || this.major < 0) {
- throw new TypeError('Invalid major version')
- }
-
- if (this.minor > MAX_SAFE_INTEGER || this.minor < 0) {
- throw new TypeError('Invalid minor version')
- }
-
- if (this.patch > MAX_SAFE_INTEGER || this.patch < 0) {
- throw new TypeError('Invalid patch version')
- }
-
- // numberify any prerelease numeric ids
- if (!m[4]) {
- this.prerelease = [];
- } else {
- this.prerelease = m[4].split('.').map((id) => {
- if (/^[0-9]+$/.test(id)) {
- const num = +id;
- if (num >= 0 && num < MAX_SAFE_INTEGER) {
- return num
- }
- }
- return id
- });
- }
-
- this.build = m[5] ? m[5].split('.') : [];
- this.format();
- }
-
- format () {
- this.version = `${this.major}.${this.minor}.${this.patch}`;
- if (this.prerelease.length) {
- this.version += `-${this.prerelease.join('.')}`;
- }
- return this.version
- }
-
- toString () {
- return this.version
- }
-
- compare (other) {
- debug_1('SemVer.compare', this.version, this.options, other);
- if (!(other instanceof SemVer)) {
- if (typeof other === 'string' && other === this.version) {
- return 0
- }
- other = new SemVer(other, this.options);
- }
-
- if (other.version === this.version) {
- return 0
- }
-
- return this.compareMain(other) || this.comparePre(other)
- }
-
- compareMain (other) {
- if (!(other instanceof SemVer)) {
- other = new SemVer(other, this.options);
- }
-
- return (
- compareIdentifiers(this.major, other.major) ||
- compareIdentifiers(this.minor, other.minor) ||
- compareIdentifiers(this.patch, other.patch)
- )
- }
-
- comparePre (other) {
- if (!(other instanceof SemVer)) {
- other = new SemVer(other, this.options);
- }
-
- // NOT having a prerelease is > having one
- if (this.prerelease.length && !other.prerelease.length) {
- return -1
- } else if (!this.prerelease.length && other.prerelease.length) {
- return 1
- } else if (!this.prerelease.length && !other.prerelease.length) {
- return 0
- }
-
- let i = 0;
- do {
- const a = this.prerelease[i];
- const b = other.prerelease[i];
- debug_1('prerelease compare', i, a, b);
- if (a === undefined && b === undefined) {
- return 0
- } else if (b === undefined) {
- return 1
- } else if (a === undefined) {
- return -1
- } else if (a === b) {
- continue
- } else {
- return compareIdentifiers(a, b)
- }
- } while (++i)
- }
-
- compareBuild (other) {
- if (!(other instanceof SemVer)) {
- other = new SemVer(other, this.options);
- }
-
- let i = 0;
- do {
- const a = this.build[i];
- const b = other.build[i];
- debug_1('prerelease compare', i, a, b);
- if (a === undefined && b === undefined) {
- return 0
- } else if (b === undefined) {
- return 1
- } else if (a === undefined) {
- return -1
- } else if (a === b) {
- continue
- } else {
- return compareIdentifiers(a, b)
- }
- } while (++i)
- }
-
- // preminor will bump the version up to the next minor release, and immediately
- // down to pre-release. premajor and prepatch work the same way.
- inc (release, identifier) {
- switch (release) {
- case 'premajor':
- this.prerelease.length = 0;
- this.patch = 0;
- this.minor = 0;
- this.major++;
- this.inc('pre', identifier);
- break
- case 'preminor':
- this.prerelease.length = 0;
- this.patch = 0;
- this.minor++;
- this.inc('pre', identifier);
- break
- case 'prepatch':
- // If this is already a prerelease, it will bump to the next version
- // drop any prereleases that might already exist, since they are not
- // relevant at this point.
- this.prerelease.length = 0;
- this.inc('patch', identifier);
- this.inc('pre', identifier);
- break
- // If the input is a non-prerelease version, this acts the same as
- // prepatch.
- case 'prerelease':
- if (this.prerelease.length === 0) {
- this.inc('patch', identifier);
- }
- this.inc('pre', identifier);
- break
-
- case 'major':
- // If this is a pre-major version, bump up to the same major version.
- // Otherwise increment major.
- // 1.0.0-5 bumps to 1.0.0
- // 1.1.0 bumps to 2.0.0
- if (
- this.minor !== 0 ||
- this.patch !== 0 ||
- this.prerelease.length === 0
- ) {
- this.major++;
- }
- this.minor = 0;
- this.patch = 0;
- this.prerelease = [];
- break
- case 'minor':
- // If this is a pre-minor version, bump up to the same minor version.
- // Otherwise increment minor.
- // 1.2.0-5 bumps to 1.2.0
- // 1.2.1 bumps to 1.3.0
- if (this.patch !== 0 || this.prerelease.length === 0) {
- this.minor++;
- }
- this.patch = 0;
- this.prerelease = [];
- break
- case 'patch':
- // If this is not a pre-release version, it will increment the patch.
- // If it is a pre-release it will bump up to the same patch version.
- // 1.2.0-5 patches to 1.2.0
- // 1.2.0 patches to 1.2.1
- if (this.prerelease.length === 0) {
- this.patch++;
- }
- this.prerelease = [];
- break
- // This probably shouldn't be used publicly.
- // 1.0.0 'pre' would become 1.0.0-0 which is the wrong direction.
- case 'pre':
- if (this.prerelease.length === 0) {
- this.prerelease = [0];
- } else {
- let i = this.prerelease.length;
- while (--i >= 0) {
- if (typeof this.prerelease[i] === 'number') {
- this.prerelease[i]++;
- i = -2;
- }
- }
- if (i === -1) {
- // didn't increment anything
- this.prerelease.push(0);
- }
- }
- if (identifier) {
- // 1.2.0-beta.1 bumps to 1.2.0-beta.2,
- // 1.2.0-beta.fooblz or 1.2.0-beta bumps to 1.2.0-beta.0
- if (compareIdentifiers(this.prerelease[0], identifier) === 0) {
- if (isNaN(this.prerelease[1])) {
- this.prerelease = [identifier, 0];
- }
- } else {
- this.prerelease = [identifier, 0];
- }
- }
- break
-
- default:
- throw new Error(`invalid increment argument: ${release}`)
- }
- this.format();
- this.raw = this.version;
- return this
- }
-}
-
-var semver$2 = SemVer;
-
-const { MAX_LENGTH } = constants;
-const { re: re$3, t: t$3 } = re_1;
-
-
-
-const parse = (version, options) => {
- options = parseOptions_1(options);
-
- if (version instanceof semver$2) {
- return version
- }
-
- if (typeof version !== 'string') {
- return null
- }
-
- if (version.length > MAX_LENGTH) {
- return null
- }
-
- const r = options.loose ? re$3[t$3.LOOSE] : re$3[t$3.FULL];
- if (!r.test(version)) {
- return null
- }
-
- try {
- return new semver$2(version, options)
- } catch (er) {
- return null
- }
-};
-
-var parse_1 = parse;
-
-const valid$1 = (version, options) => {
- const v = parse_1(version, options);
- return v ? v.version : null
-};
-var valid_1 = valid$1;
-
-const clean = (version, options) => {
- const s = parse_1(version.trim().replace(/^[=v]+/, ''), options);
- return s ? s.version : null
-};
-var clean_1 = clean;
-
-const inc = (version, release, options, identifier) => {
- if (typeof (options) === 'string') {
- identifier = options;
- options = undefined;
- }
-
- try {
- return new semver$2(
- version instanceof semver$2 ? version.version : version,
- options
- ).inc(release, identifier).version
- } catch (er) {
- return null
- }
-};
-var inc_1 = inc;
-
-const compare = (a, b, loose) =>
- new semver$2(a, loose).compare(new semver$2(b, loose));
-
-var compare_1 = compare;
-
-const eq = (a, b, loose) => compare_1(a, b, loose) === 0;
-var eq_1 = eq;
-
-const diff = (version1, version2) => {
- if (eq_1(version1, version2)) {
- return null
- } else {
- const v1 = parse_1(version1);
- const v2 = parse_1(version2);
- const hasPre = v1.prerelease.length || v2.prerelease.length;
- const prefix = hasPre ? 'pre' : '';
- const defaultResult = hasPre ? 'prerelease' : '';
- for (const key in v1) {
- if (key === 'major' || key === 'minor' || key === 'patch') {
- if (v1[key] !== v2[key]) {
- return prefix + key
- }
- }
- }
- return defaultResult // may be undefined
- }
-};
-var diff_1 = diff;
-
-const major = (a, loose) => new semver$2(a, loose).major;
-var major_1 = major;
-
-const minor = (a, loose) => new semver$2(a, loose).minor;
-var minor_1 = minor;
-
-const patch = (a, loose) => new semver$2(a, loose).patch;
-var patch_1 = patch;
-
-const prerelease = (version, options) => {
- const parsed = parse_1(version, options);
- return (parsed && parsed.prerelease.length) ? parsed.prerelease : null
-};
-var prerelease_1 = prerelease;
-
-const rcompare = (a, b, loose) => compare_1(b, a, loose);
-var rcompare_1 = rcompare;
-
-const compareLoose = (a, b) => compare_1(a, b, true);
-var compareLoose_1 = compareLoose;
-
-const compareBuild = (a, b, loose) => {
- const versionA = new semver$2(a, loose);
- const versionB = new semver$2(b, loose);
- return versionA.compare(versionB) || versionA.compareBuild(versionB)
-};
-var compareBuild_1 = compareBuild;
-
-const sort = (list, loose) => list.sort((a, b) => compareBuild_1(a, b, loose));
-var sort_1 = sort;
-
-const rsort = (list, loose) => list.sort((a, b) => compareBuild_1(b, a, loose));
-var rsort_1 = rsort;
-
-const gt = (a, b, loose) => compare_1(a, b, loose) > 0;
-var gt_1 = gt;
-
-const lt = (a, b, loose) => compare_1(a, b, loose) < 0;
-var lt_1 = lt;
-
-const neq = (a, b, loose) => compare_1(a, b, loose) !== 0;
-var neq_1 = neq;
-
-const gte = (a, b, loose) => compare_1(a, b, loose) >= 0;
-var gte_1 = gte;
-
-const lte = (a, b, loose) => compare_1(a, b, loose) <= 0;
-var lte_1 = lte;
-
-const cmp = (a, op, b, loose) => {
- switch (op) {
- case '===':
- if (typeof a === 'object') {
- a = a.version;
- }
- if (typeof b === 'object') {
- b = b.version;
- }
- return a === b
-
- case '!==':
- if (typeof a === 'object') {
- a = a.version;
- }
- if (typeof b === 'object') {
- b = b.version;
- }
- return a !== b
-
- case '':
- case '=':
- case '==':
- return eq_1(a, b, loose)
-
- case '!=':
- return neq_1(a, b, loose)
-
- case '>':
- return gt_1(a, b, loose)
-
- case '>=':
- return gte_1(a, b, loose)
-
- case '<':
- return lt_1(a, b, loose)
-
- case '<=':
- return lte_1(a, b, loose)
-
- default:
- throw new TypeError(`Invalid operator: ${op}`)
- }
-};
-var cmp_1 = cmp;
-
-const { re: re$2, t: t$2 } = re_1;
-
-const coerce = (version, options) => {
- if (version instanceof semver$2) {
- return version
- }
-
- if (typeof version === 'number') {
- version = String(version);
- }
-
- if (typeof version !== 'string') {
- return null
- }
-
- options = options || {};
-
- let match = null;
- if (!options.rtl) {
- match = version.match(re$2[t$2.COERCE]);
- } else {
- // Find the right-most coercible string that does not share
- // a terminus with a more left-ward coercible string.
- // Eg, '1.2.3.4' wants to coerce '2.3.4', not '3.4' or '4'
- //
- // Walk through the string checking with a /g regexp
- // Manually set the index so as to pick up overlapping matches.
- // Stop when we get a match that ends at the string end, since no
- // coercible string can be more right-ward without the same terminus.
- let next;
- while ((next = re$2[t$2.COERCERTL].exec(version)) &&
- (!match || match.index + match[0].length !== version.length)
- ) {
- if (!match ||
- next.index + next[0].length !== match.index + match[0].length) {
- match = next;
- }
- re$2[t$2.COERCERTL].lastIndex = next.index + next[1].length + next[2].length;
- }
- // leave it in a clean state
- re$2[t$2.COERCERTL].lastIndex = -1;
- }
-
- if (match === null) {
- return null
- }
-
- return parse_1(`${match[2]}.${match[3] || '0'}.${match[4] || '0'}`, options)
-};
-var coerce_1 = coerce;
-
-var iterator = function (Yallist) {
- Yallist.prototype[Symbol.iterator] = function* () {
- for (let walker = this.head; walker; walker = walker.next) {
- yield walker.value;
- }
- };
-};
-
-var yallist = Yallist;
-
-Yallist.Node = Node;
-Yallist.create = Yallist;
-
-function Yallist (list) {
- var self = this;
- if (!(self instanceof Yallist)) {
- self = new Yallist();
- }
-
- self.tail = null;
- self.head = null;
- self.length = 0;
-
- if (list && typeof list.forEach === 'function') {
- list.forEach(function (item) {
- self.push(item);
- });
- } else if (arguments.length > 0) {
- for (var i = 0, l = arguments.length; i < l; i++) {
- self.push(arguments[i]);
- }
- }
-
- return self
-}
-
-Yallist.prototype.removeNode = function (node) {
- if (node.list !== this) {
- throw new Error('removing node which does not belong to this list')
- }
-
- var next = node.next;
- var prev = node.prev;
-
- if (next) {
- next.prev = prev;
- }
-
- if (prev) {
- prev.next = next;
- }
-
- if (node === this.head) {
- this.head = next;
- }
- if (node === this.tail) {
- this.tail = prev;
- }
-
- node.list.length--;
- node.next = null;
- node.prev = null;
- node.list = null;
-
- return next
-};
-
-Yallist.prototype.unshiftNode = function (node) {
- if (node === this.head) {
- return
- }
-
- if (node.list) {
- node.list.removeNode(node);
- }
-
- var head = this.head;
- node.list = this;
- node.next = head;
- if (head) {
- head.prev = node;
- }
-
- this.head = node;
- if (!this.tail) {
- this.tail = node;
- }
- this.length++;
-};
-
-Yallist.prototype.pushNode = function (node) {
- if (node === this.tail) {
- return
- }
-
- if (node.list) {
- node.list.removeNode(node);
- }
-
- var tail = this.tail;
- node.list = this;
- node.prev = tail;
- if (tail) {
- tail.next = node;
- }
-
- this.tail = node;
- if (!this.head) {
- this.head = node;
- }
- this.length++;
-};
-
-Yallist.prototype.push = function () {
- for (var i = 0, l = arguments.length; i < l; i++) {
- push(this, arguments[i]);
- }
- return this.length
-};
-
-Yallist.prototype.unshift = function () {
- for (var i = 0, l = arguments.length; i < l; i++) {
- unshift(this, arguments[i]);
- }
- return this.length
-};
-
-Yallist.prototype.pop = function () {
- if (!this.tail) {
- return undefined
- }
-
- var res = this.tail.value;
- this.tail = this.tail.prev;
- if (this.tail) {
- this.tail.next = null;
- } else {
- this.head = null;
- }
- this.length--;
- return res
-};
-
-Yallist.prototype.shift = function () {
- if (!this.head) {
- return undefined
- }
-
- var res = this.head.value;
- this.head = this.head.next;
- if (this.head) {
- this.head.prev = null;
- } else {
- this.tail = null;
- }
- this.length--;
- return res
-};
-
-Yallist.prototype.forEach = function (fn, thisp) {
- thisp = thisp || this;
- for (var walker = this.head, i = 0; walker !== null; i++) {
- fn.call(thisp, walker.value, i, this);
- walker = walker.next;
- }
-};
-
-Yallist.prototype.forEachReverse = function (fn, thisp) {
- thisp = thisp || this;
- for (var walker = this.tail, i = this.length - 1; walker !== null; i--) {
- fn.call(thisp, walker.value, i, this);
- walker = walker.prev;
- }
-};
-
-Yallist.prototype.get = function (n) {
- for (var i = 0, walker = this.head; walker !== null && i < n; i++) {
- // abort out of the list early if we hit a cycle
- walker = walker.next;
- }
- if (i === n && walker !== null) {
- return walker.value
- }
-};
-
-Yallist.prototype.getReverse = function (n) {
- for (var i = 0, walker = this.tail; walker !== null && i < n; i++) {
- // abort out of the list early if we hit a cycle
- walker = walker.prev;
- }
- if (i === n && walker !== null) {
- return walker.value
- }
-};
-
-Yallist.prototype.map = function (fn, thisp) {
- thisp = thisp || this;
- var res = new Yallist();
- for (var walker = this.head; walker !== null;) {
- res.push(fn.call(thisp, walker.value, this));
- walker = walker.next;
- }
- return res
-};
-
-Yallist.prototype.mapReverse = function (fn, thisp) {
- thisp = thisp || this;
- var res = new Yallist();
- for (var walker = this.tail; walker !== null;) {
- res.push(fn.call(thisp, walker.value, this));
- walker = walker.prev;
- }
- return res
-};
-
-Yallist.prototype.reduce = function (fn, initial) {
- var acc;
- var walker = this.head;
- if (arguments.length > 1) {
- acc = initial;
- } else if (this.head) {
- walker = this.head.next;
- acc = this.head.value;
- } else {
- throw new TypeError('Reduce of empty list with no initial value')
- }
-
- for (var i = 0; walker !== null; i++) {
- acc = fn(acc, walker.value, i);
- walker = walker.next;
- }
-
- return acc
-};
-
-Yallist.prototype.reduceReverse = function (fn, initial) {
- var acc;
- var walker = this.tail;
- if (arguments.length > 1) {
- acc = initial;
- } else if (this.tail) {
- walker = this.tail.prev;
- acc = this.tail.value;
- } else {
- throw new TypeError('Reduce of empty list with no initial value')
- }
-
- for (var i = this.length - 1; walker !== null; i--) {
- acc = fn(acc, walker.value, i);
- walker = walker.prev;
- }
-
- return acc
-};
-
-Yallist.prototype.toArray = function () {
- var arr = new Array(this.length);
- for (var i = 0, walker = this.head; walker !== null; i++) {
- arr[i] = walker.value;
- walker = walker.next;
- }
- return arr
-};
-
-Yallist.prototype.toArrayReverse = function () {
- var arr = new Array(this.length);
- for (var i = 0, walker = this.tail; walker !== null; i++) {
- arr[i] = walker.value;
- walker = walker.prev;
- }
- return arr
-};
-
-Yallist.prototype.slice = function (from, to) {
- to = to || this.length;
- if (to < 0) {
- to += this.length;
- }
- from = from || 0;
- if (from < 0) {
- from += this.length;
- }
- var ret = new Yallist();
- if (to < from || to < 0) {
- return ret
- }
- if (from < 0) {
- from = 0;
- }
- if (to > this.length) {
- to = this.length;
- }
- for (var i = 0, walker = this.head; walker !== null && i < from; i++) {
- walker = walker.next;
- }
- for (; walker !== null && i < to; i++, walker = walker.next) {
- ret.push(walker.value);
- }
- return ret
-};
-
-Yallist.prototype.sliceReverse = function (from, to) {
- to = to || this.length;
- if (to < 0) {
- to += this.length;
- }
- from = from || 0;
- if (from < 0) {
- from += this.length;
- }
- var ret = new Yallist();
- if (to < from || to < 0) {
- return ret
- }
- if (from < 0) {
- from = 0;
- }
- if (to > this.length) {
- to = this.length;
- }
- for (var i = this.length, walker = this.tail; walker !== null && i > to; i--) {
- walker = walker.prev;
- }
- for (; walker !== null && i > from; i--, walker = walker.prev) {
- ret.push(walker.value);
- }
- return ret
-};
-
-Yallist.prototype.splice = function (start, deleteCount, ...nodes) {
- if (start > this.length) {
- start = this.length - 1;
- }
- if (start < 0) {
- start = this.length + start;
- }
-
- for (var i = 0, walker = this.head; walker !== null && i < start; i++) {
- walker = walker.next;
- }
-
- var ret = [];
- for (var i = 0; walker && i < deleteCount; i++) {
- ret.push(walker.value);
- walker = this.removeNode(walker);
- }
- if (walker === null) {
- walker = this.tail;
- }
-
- if (walker !== this.head && walker !== this.tail) {
- walker = walker.prev;
- }
-
- for (var i = 0; i < nodes.length; i++) {
- walker = insert(this, walker, nodes[i]);
- }
- return ret;
-};
-
-Yallist.prototype.reverse = function () {
- var head = this.head;
- var tail = this.tail;
- for (var walker = head; walker !== null; walker = walker.prev) {
- var p = walker.prev;
- walker.prev = walker.next;
- walker.next = p;
- }
- this.head = tail;
- this.tail = head;
- return this
-};
-
-function insert (self, node, value) {
- var inserted = node === self.head ?
- new Node(value, null, node, self) :
- new Node(value, node, node.next, self);
-
- if (inserted.next === null) {
- self.tail = inserted;
- }
- if (inserted.prev === null) {
- self.head = inserted;
- }
-
- self.length++;
-
- return inserted
-}
-
-function push (self, item) {
- self.tail = new Node(item, self.tail, null, self);
- if (!self.head) {
- self.head = self.tail;
- }
- self.length++;
-}
-
-function unshift (self, item) {
- self.head = new Node(item, null, self.head, self);
- if (!self.tail) {
- self.tail = self.head;
- }
- self.length++;
-}
-
-function Node (value, prev, next, list) {
- if (!(this instanceof Node)) {
- return new Node(value, prev, next, list)
- }
-
- this.list = list;
- this.value = value;
-
- if (prev) {
- prev.next = this;
- this.prev = prev;
- } else {
- this.prev = null;
- }
-
- if (next) {
- next.prev = this;
- this.next = next;
- } else {
- this.next = null;
- }
-}
-
-try {
- // add if support for Symbol.iterator is present
- iterator(Yallist);
-} catch (er) {}
-
-// A linked list to keep track of recently-used-ness
-
-
-const MAX = Symbol('max');
-const LENGTH = Symbol('length');
-const LENGTH_CALCULATOR = Symbol('lengthCalculator');
-const ALLOW_STALE = Symbol('allowStale');
-const MAX_AGE = Symbol('maxAge');
-const DISPOSE = Symbol('dispose');
-const NO_DISPOSE_ON_SET = Symbol('noDisposeOnSet');
-const LRU_LIST = Symbol('lruList');
-const CACHE = Symbol('cache');
-const UPDATE_AGE_ON_GET = Symbol('updateAgeOnGet');
-
-const naiveLength = () => 1;
-
-// lruList is a yallist where the head is the youngest
-// item, and the tail is the oldest. the list contains the Hit
-// objects as the entries.
-// Each Hit object has a reference to its Yallist.Node. This
-// never changes.
-//
-// cache is a Map (or PseudoMap) that matches the keys to
-// the Yallist.Node object.
-class LRUCache {
- constructor (options) {
- if (typeof options === 'number')
- options = { max: options };
-
- if (!options)
- options = {};
-
- if (options.max && (typeof options.max !== 'number' || options.max < 0))
- throw new TypeError('max must be a non-negative number')
- // Kind of weird to have a default max of Infinity, but oh well.
- this[MAX] = options.max || Infinity;
-
- const lc = options.length || naiveLength;
- this[LENGTH_CALCULATOR] = (typeof lc !== 'function') ? naiveLength : lc;
- this[ALLOW_STALE] = options.stale || false;
- if (options.maxAge && typeof options.maxAge !== 'number')
- throw new TypeError('maxAge must be a number')
- this[MAX_AGE] = options.maxAge || 0;
- this[DISPOSE] = options.dispose;
- this[NO_DISPOSE_ON_SET] = options.noDisposeOnSet || false;
- this[UPDATE_AGE_ON_GET] = options.updateAgeOnGet || false;
- this.reset();
- }
-
- // resize the cache when the max changes.
- set max (mL) {
- if (typeof mL !== 'number' || mL < 0)
- throw new TypeError('max must be a non-negative number')
-
- this[MAX] = mL || Infinity;
- trim(this);
- }
- get max () {
- return this[MAX]
- }
-
- set allowStale (allowStale) {
- this[ALLOW_STALE] = !!allowStale;
- }
- get allowStale () {
- return this[ALLOW_STALE]
- }
-
- set maxAge (mA) {
- if (typeof mA !== 'number')
- throw new TypeError('maxAge must be a non-negative number')
-
- this[MAX_AGE] = mA;
- trim(this);
- }
- get maxAge () {
- return this[MAX_AGE]
- }
-
- // resize the cache when the lengthCalculator changes.
- set lengthCalculator (lC) {
- if (typeof lC !== 'function')
- lC = naiveLength;
-
- if (lC !== this[LENGTH_CALCULATOR]) {
- this[LENGTH_CALCULATOR] = lC;
- this[LENGTH] = 0;
- this[LRU_LIST].forEach(hit => {
- hit.length = this[LENGTH_CALCULATOR](hit.value, hit.key);
- this[LENGTH] += hit.length;
- });
- }
- trim(this);
- }
- get lengthCalculator () { return this[LENGTH_CALCULATOR] }
-
- get length () { return this[LENGTH] }
- get itemCount () { return this[LRU_LIST].length }
-
- rforEach (fn, thisp) {
- thisp = thisp || this;
- for (let walker = this[LRU_LIST].tail; walker !== null;) {
- const prev = walker.prev;
- forEachStep(this, fn, walker, thisp);
- walker = prev;
- }
- }
-
- forEach (fn, thisp) {
- thisp = thisp || this;
- for (let walker = this[LRU_LIST].head; walker !== null;) {
- const next = walker.next;
- forEachStep(this, fn, walker, thisp);
- walker = next;
- }
- }
-
- keys () {
- return this[LRU_LIST].toArray().map(k => k.key)
- }
-
- values () {
- return this[LRU_LIST].toArray().map(k => k.value)
- }
-
- reset () {
- if (this[DISPOSE] &&
- this[LRU_LIST] &&
- this[LRU_LIST].length) {
- this[LRU_LIST].forEach(hit => this[DISPOSE](hit.key, hit.value));
- }
-
- this[CACHE] = new Map(); // hash of items by key
- this[LRU_LIST] = new yallist(); // list of items in order of use recency
- this[LENGTH] = 0; // length of items in the list
- }
-
- dump () {
- return this[LRU_LIST].map(hit =>
- isStale(this, hit) ? false : {
- k: hit.key,
- v: hit.value,
- e: hit.now + (hit.maxAge || 0)
- }).toArray().filter(h => h)
- }
-
- dumpLru () {
- return this[LRU_LIST]
- }
-
- set (key, value, maxAge) {
- maxAge = maxAge || this[MAX_AGE];
-
- if (maxAge && typeof maxAge !== 'number')
- throw new TypeError('maxAge must be a number')
-
- const now = maxAge ? Date.now() : 0;
- const len = this[LENGTH_CALCULATOR](value, key);
-
- if (this[CACHE].has(key)) {
- if (len > this[MAX]) {
- del(this, this[CACHE].get(key));
- return false
- }
-
- const node = this[CACHE].get(key);
- const item = node.value;
-
- // dispose of the old one before overwriting
- // split out into 2 ifs for better coverage tracking
- if (this[DISPOSE]) {
- if (!this[NO_DISPOSE_ON_SET])
- this[DISPOSE](key, item.value);
- }
-
- item.now = now;
- item.maxAge = maxAge;
- item.value = value;
- this[LENGTH] += len - item.length;
- item.length = len;
- this.get(key);
- trim(this);
- return true
- }
-
- const hit = new Entry(key, value, len, now, maxAge);
-
- // oversized objects fall out of cache automatically.
- if (hit.length > this[MAX]) {
- if (this[DISPOSE])
- this[DISPOSE](key, value);
-
- return false
- }
-
- this[LENGTH] += hit.length;
- this[LRU_LIST].unshift(hit);
- this[CACHE].set(key, this[LRU_LIST].head);
- trim(this);
- return true
- }
-
- has (key) {
- if (!this[CACHE].has(key)) return false
- const hit = this[CACHE].get(key).value;
- return !isStale(this, hit)
- }
-
- get (key) {
- return get(this, key, true)
- }
-
- peek (key) {
- return get(this, key, false)
- }
-
- pop () {
- const node = this[LRU_LIST].tail;
- if (!node)
- return null
-
- del(this, node);
- return node.value
- }
-
- del (key) {
- del(this, this[CACHE].get(key));
- }
-
- load (arr) {
- // reset the cache
- this.reset();
-
- const now = Date.now();
- // A previous serialized cache has the most recent items first
- for (let l = arr.length - 1; l >= 0; l--) {
- const hit = arr[l];
- const expiresAt = hit.e || 0;
- if (expiresAt === 0)
- // the item was created without expiration in a non aged cache
- this.set(hit.k, hit.v);
- else {
- const maxAge = expiresAt - now;
- // dont add already expired items
- if (maxAge > 0) {
- this.set(hit.k, hit.v, maxAge);
- }
- }
- }
- }
-
- prune () {
- this[CACHE].forEach((value, key) => get(this, key, false));
- }
-}
-
-const get = (self, key, doUse) => {
- const node = self[CACHE].get(key);
- if (node) {
- const hit = node.value;
- if (isStale(self, hit)) {
- del(self, node);
- if (!self[ALLOW_STALE])
- return undefined
- } else {
- if (doUse) {
- if (self[UPDATE_AGE_ON_GET])
- node.value.now = Date.now();
- self[LRU_LIST].unshiftNode(node);
- }
- }
- return hit.value
- }
-};
-
-const isStale = (self, hit) => {
- if (!hit || (!hit.maxAge && !self[MAX_AGE]))
- return false
-
- const diff = Date.now() - hit.now;
- return hit.maxAge ? diff > hit.maxAge
- : self[MAX_AGE] && (diff > self[MAX_AGE])
-};
-
-const trim = self => {
- if (self[LENGTH] > self[MAX]) {
- for (let walker = self[LRU_LIST].tail;
- self[LENGTH] > self[MAX] && walker !== null;) {
- // We know that we're about to delete this one, and also
- // what the next least recently used key will be, so just
- // go ahead and set it now.
- const prev = walker.prev;
- del(self, walker);
- walker = prev;
- }
- }
-};
-
-const del = (self, node) => {
- if (node) {
- const hit = node.value;
- if (self[DISPOSE])
- self[DISPOSE](hit.key, hit.value);
-
- self[LENGTH] -= hit.length;
- self[CACHE].delete(hit.key);
- self[LRU_LIST].removeNode(node);
- }
-};
-
-class Entry {
- constructor (key, value, length, now, maxAge) {
- this.key = key;
- this.value = value;
- this.length = length;
- this.now = now;
- this.maxAge = maxAge || 0;
- }
-}
-
-const forEachStep = (self, fn, node, thisp) => {
- let hit = node.value;
- if (isStale(self, hit)) {
- del(self, node);
- if (!self[ALLOW_STALE])
- hit = undefined;
- }
- if (hit)
- fn.call(thisp, hit.value, hit.key, self);
-};
-
-var lruCache = LRUCache;
-
-// hoisted class for cyclic dependency
-class Range {
- constructor (range, options) {
- options = parseOptions_1(options);
-
- if (range instanceof Range) {
- if (
- range.loose === !!options.loose &&
- range.includePrerelease === !!options.includePrerelease
- ) {
- return range
- } else {
- return new Range(range.raw, options)
- }
- }
-
- if (range instanceof comparator) {
- // just put it in the set and return
- this.raw = range.value;
- this.set = [[range]];
- this.format();
- return this
- }
-
- this.options = options;
- this.loose = !!options.loose;
- this.includePrerelease = !!options.includePrerelease;
-
- // First, split based on boolean or ||
- this.raw = range;
- this.set = range
- .split('||')
- // map the range to a 2d array of comparators
- .map(r => this.parseRange(r.trim()))
- // throw out any comparator lists that are empty
- // this generally means that it was not a valid range, which is allowed
- // in loose mode, but will still throw if the WHOLE range is invalid.
- .filter(c => c.length);
-
- if (!this.set.length) {
- throw new TypeError(`Invalid SemVer Range: ${range}`)
- }
-
- // if we have any that are not the null set, throw out null sets.
- if (this.set.length > 1) {
- // keep the first one, in case they're all null sets
- const first = this.set[0];
- this.set = this.set.filter(c => !isNullSet(c[0]));
- if (this.set.length === 0) {
- this.set = [first];
- } else if (this.set.length > 1) {
- // if we have any that are *, then the range is just *
- for (const c of this.set) {
- if (c.length === 1 && isAny(c[0])) {
- this.set = [c];
- break
- }
- }
- }
- }
-
- this.format();
- }
-
- format () {
- this.range = this.set
- .map((comps) => {
- return comps.join(' ').trim()
- })
- .join('||')
- .trim();
- return this.range
- }
-
- toString () {
- return this.range
- }
-
- parseRange (range) {
- range = range.trim();
-
- // memoize range parsing for performance.
- // this is a very hot path, and fully deterministic.
- const memoOpts = Object.keys(this.options).join(',');
- const memoKey = `parseRange:${memoOpts}:${range}`;
- const cached = cache.get(memoKey);
- if (cached) {
- return cached
- }
-
- const loose = this.options.loose;
- // `1.2.3 - 1.2.4` => `>=1.2.3 <=1.2.4`
- const hr = loose ? re$1[t$1.HYPHENRANGELOOSE] : re$1[t$1.HYPHENRANGE];
- range = range.replace(hr, hyphenReplace(this.options.includePrerelease));
- debug_1('hyphen replace', range);
- // `> 1.2.3 < 1.2.5` => `>1.2.3 <1.2.5`
- range = range.replace(re$1[t$1.COMPARATORTRIM], comparatorTrimReplace);
- debug_1('comparator trim', range);
-
- // `~ 1.2.3` => `~1.2.3`
- range = range.replace(re$1[t$1.TILDETRIM], tildeTrimReplace);
-
- // `^ 1.2.3` => `^1.2.3`
- range = range.replace(re$1[t$1.CARETTRIM], caretTrimReplace);
-
- // normalize spaces
- range = range.split(/\s+/).join(' ');
-
- // At this point, the range is completely trimmed and
- // ready to be split into comparators.
-
- let rangeList = range
- .split(' ')
- .map(comp => parseComparator(comp, this.options))
- .join(' ')
- .split(/\s+/)
- // >=0.0.0 is equivalent to *
- .map(comp => replaceGTE0(comp, this.options));
-
- if (loose) {
- // in loose mode, throw out any that are not valid comparators
- rangeList = rangeList.filter(comp => {
- debug_1('loose invalid filter', comp, this.options);
- return !!comp.match(re$1[t$1.COMPARATORLOOSE])
- });
- }
- debug_1('range list', rangeList);
-
- // if any comparators are the null set, then replace with JUST null set
- // if more than one comparator, remove any * comparators
- // also, don't include the same comparator more than once
- const rangeMap = new Map();
- const comparators = rangeList.map(comp => new comparator(comp, this.options));
- for (const comp of comparators) {
- if (isNullSet(comp)) {
- return [comp]
- }
- rangeMap.set(comp.value, comp);
- }
- if (rangeMap.size > 1 && rangeMap.has('')) {
- rangeMap.delete('');
- }
-
- const result = [...rangeMap.values()];
- cache.set(memoKey, result);
- return result
- }
-
- intersects (range, options) {
- if (!(range instanceof Range)) {
- throw new TypeError('a Range is required')
- }
-
- return this.set.some((thisComparators) => {
- return (
- isSatisfiable(thisComparators, options) &&
- range.set.some((rangeComparators) => {
- return (
- isSatisfiable(rangeComparators, options) &&
- thisComparators.every((thisComparator) => {
- return rangeComparators.every((rangeComparator) => {
- return thisComparator.intersects(rangeComparator, options)
- })
- })
- )
- })
- )
- })
- }
-
- // if ANY of the sets match ALL of its comparators, then pass
- test (version) {
- if (!version) {
- return false
- }
-
- if (typeof version === 'string') {
- try {
- version = new semver$2(version, this.options);
- } catch (er) {
- return false
- }
- }
-
- for (let i = 0; i < this.set.length; i++) {
- if (testSet(this.set[i], version, this.options)) {
- return true
- }
- }
- return false
- }
-}
-var range = Range;
-
-
-const cache = new lruCache({ max: 1000 });
-
-
-
-
-
-const {
- re: re$1,
- t: t$1,
- comparatorTrimReplace,
- tildeTrimReplace,
- caretTrimReplace,
-} = re_1;
-
-const isNullSet = c => c.value === '<0.0.0-0';
-const isAny = c => c.value === '';
-
-// take a set of comparators and determine whether there
-// exists a version which can satisfy it
-const isSatisfiable = (comparators, options) => {
- let result = true;
- const remainingComparators = comparators.slice();
- let testComparator = remainingComparators.pop();
-
- while (result && remainingComparators.length) {
- result = remainingComparators.every((otherComparator) => {
- return testComparator.intersects(otherComparator, options)
- });
-
- testComparator = remainingComparators.pop();
- }
-
- return result
-};
-
-// comprised of xranges, tildes, stars, and gtlt's at this point.
-// already replaced the hyphen ranges
-// turn into a set of JUST comparators.
-const parseComparator = (comp, options) => {
- debug_1('comp', comp, options);
- comp = replaceCarets(comp, options);
- debug_1('caret', comp);
- comp = replaceTildes(comp, options);
- debug_1('tildes', comp);
- comp = replaceXRanges(comp, options);
- debug_1('xrange', comp);
- comp = replaceStars(comp, options);
- debug_1('stars', comp);
- return comp
-};
-
-const isX = id => !id || id.toLowerCase() === 'x' || id === '*';
-
-// ~, ~> --> * (any, kinda silly)
-// ~2, ~2.x, ~2.x.x, ~>2, ~>2.x ~>2.x.x --> >=2.0.0 <3.0.0-0
-// ~2.0, ~2.0.x, ~>2.0, ~>2.0.x --> >=2.0.0 <2.1.0-0
-// ~1.2, ~1.2.x, ~>1.2, ~>1.2.x --> >=1.2.0 <1.3.0-0
-// ~1.2.3, ~>1.2.3 --> >=1.2.3 <1.3.0-0
-// ~1.2.0, ~>1.2.0 --> >=1.2.0 <1.3.0-0
-const replaceTildes = (comp, options) =>
- comp.trim().split(/\s+/).map((c) => {
- return replaceTilde(c, options)
- }).join(' ');
-
-const replaceTilde = (comp, options) => {
- const r = options.loose ? re$1[t$1.TILDELOOSE] : re$1[t$1.TILDE];
- return comp.replace(r, (_, M, m, p, pr) => {
- debug_1('tilde', comp, _, M, m, p, pr);
- let ret;
-
- if (isX(M)) {
- ret = '';
- } else if (isX(m)) {
- ret = `>=${M}.0.0 <${+M + 1}.0.0-0`;
- } else if (isX(p)) {
- // ~1.2 == >=1.2.0 <1.3.0-0
- ret = `>=${M}.${m}.0 <${M}.${+m + 1}.0-0`;
- } else if (pr) {
- debug_1('replaceTilde pr', pr);
- ret = `>=${M}.${m}.${p}-${pr
- } <${M}.${+m + 1}.0-0`;
- } else {
- // ~1.2.3 == >=1.2.3 <1.3.0-0
- ret = `>=${M}.${m}.${p
- } <${M}.${+m + 1}.0-0`;
- }
-
- debug_1('tilde return', ret);
- return ret
- })
-};
-
-// ^ --> * (any, kinda silly)
-// ^2, ^2.x, ^2.x.x --> >=2.0.0 <3.0.0-0
-// ^2.0, ^2.0.x --> >=2.0.0 <3.0.0-0
-// ^1.2, ^1.2.x --> >=1.2.0 <2.0.0-0
-// ^1.2.3 --> >=1.2.3 <2.0.0-0
-// ^1.2.0 --> >=1.2.0 <2.0.0-0
-const replaceCarets = (comp, options) =>
- comp.trim().split(/\s+/).map((c) => {
- return replaceCaret(c, options)
- }).join(' ');
-
-const replaceCaret = (comp, options) => {
- debug_1('caret', comp, options);
- const r = options.loose ? re$1[t$1.CARETLOOSE] : re$1[t$1.CARET];
- const z = options.includePrerelease ? '-0' : '';
- return comp.replace(r, (_, M, m, p, pr) => {
- debug_1('caret', comp, _, M, m, p, pr);
- let ret;
-
- if (isX(M)) {
- ret = '';
- } else if (isX(m)) {
- ret = `>=${M}.0.0${z} <${+M + 1}.0.0-0`;
- } else if (isX(p)) {
- if (M === '0') {
- ret = `>=${M}.${m}.0${z} <${M}.${+m + 1}.0-0`;
- } else {
- ret = `>=${M}.${m}.0${z} <${+M + 1}.0.0-0`;
- }
- } else if (pr) {
- debug_1('replaceCaret pr', pr);
- if (M === '0') {
- if (m === '0') {
- ret = `>=${M}.${m}.${p}-${pr
- } <${M}.${m}.${+p + 1}-0`;
- } else {
- ret = `>=${M}.${m}.${p}-${pr
- } <${M}.${+m + 1}.0-0`;
- }
- } else {
- ret = `>=${M}.${m}.${p}-${pr
- } <${+M + 1}.0.0-0`;
- }
- } else {
- debug_1('no pr');
- if (M === '0') {
- if (m === '0') {
- ret = `>=${M}.${m}.${p
- }${z} <${M}.${m}.${+p + 1}-0`;
- } else {
- ret = `>=${M}.${m}.${p
- }${z} <${M}.${+m + 1}.0-0`;
- }
- } else {
- ret = `>=${M}.${m}.${p
- } <${+M + 1}.0.0-0`;
- }
- }
-
- debug_1('caret return', ret);
- return ret
- })
-};
-
-const replaceXRanges = (comp, options) => {
- debug_1('replaceXRanges', comp, options);
- return comp.split(/\s+/).map((c) => {
- return replaceXRange(c, options)
- }).join(' ')
-};
-
-const replaceXRange = (comp, options) => {
- comp = comp.trim();
- const r = options.loose ? re$1[t$1.XRANGELOOSE] : re$1[t$1.XRANGE];
- return comp.replace(r, (ret, gtlt, M, m, p, pr) => {
- debug_1('xRange', comp, ret, gtlt, M, m, p, pr);
- const xM = isX(M);
- const xm = xM || isX(m);
- const xp = xm || isX(p);
- const anyX = xp;
-
- if (gtlt === '=' && anyX) {
- gtlt = '';
- }
-
- // if we're including prereleases in the match, then we need
- // to fix this to -0, the lowest possible prerelease value
- pr = options.includePrerelease ? '-0' : '';
-
- if (xM) {
- if (gtlt === '>' || gtlt === '<') {
- // nothing is allowed
- ret = '<0.0.0-0';
- } else {
- // nothing is forbidden
- ret = '*';
- }
- } else if (gtlt && anyX) {
- // we know patch is an x, because we have any x at all.
- // replace X with 0
- if (xm) {
- m = 0;
- }
- p = 0;
-
- if (gtlt === '>') {
- // >1 => >=2.0.0
- // >1.2 => >=1.3.0
- gtlt = '>=';
- if (xm) {
- M = +M + 1;
- m = 0;
- p = 0;
- } else {
- m = +m + 1;
- p = 0;
- }
- } else if (gtlt === '<=') {
- // <=0.7.x is actually <0.8.0, since any 0.7.x should
- // pass. Similarly, <=7.x is actually <8.0.0, etc.
- gtlt = '<';
- if (xm) {
- M = +M + 1;
- } else {
- m = +m + 1;
- }
- }
-
- if (gtlt === '<') {
- pr = '-0';
- }
-
- ret = `${gtlt + M}.${m}.${p}${pr}`;
- } else if (xm) {
- ret = `>=${M}.0.0${pr} <${+M + 1}.0.0-0`;
- } else if (xp) {
- ret = `>=${M}.${m}.0${pr
- } <${M}.${+m + 1}.0-0`;
- }
-
- debug_1('xRange return', ret);
-
- return ret
- })
-};
-
-// Because * is AND-ed with everything else in the comparator,
-// and '' means "any version", just remove the *s entirely.
-const replaceStars = (comp, options) => {
- debug_1('replaceStars', comp, options);
- // Looseness is ignored here. star is always as loose as it gets!
- return comp.trim().replace(re$1[t$1.STAR], '')
-};
-
-const replaceGTE0 = (comp, options) => {
- debug_1('replaceGTE0', comp, options);
- return comp.trim()
- .replace(re$1[options.includePrerelease ? t$1.GTE0PRE : t$1.GTE0], '')
-};
-
-// This function is passed to string.replace(re[t.HYPHENRANGE])
-// M, m, patch, prerelease, build
-// 1.2 - 3.4.5 => >=1.2.0 <=3.4.5
-// 1.2.3 - 3.4 => >=1.2.0 <3.5.0-0 Any 3.4.x will do
-// 1.2 - 3.4 => >=1.2.0 <3.5.0-0
-const hyphenReplace = incPr => ($0,
- from, fM, fm, fp, fpr, fb,
- to, tM, tm, tp, tpr, tb) => {
- if (isX(fM)) {
- from = '';
- } else if (isX(fm)) {
- from = `>=${fM}.0.0${incPr ? '-0' : ''}`;
- } else if (isX(fp)) {
- from = `>=${fM}.${fm}.0${incPr ? '-0' : ''}`;
- } else if (fpr) {
- from = `>=${from}`;
- } else {
- from = `>=${from}${incPr ? '-0' : ''}`;
- }
-
- if (isX(tM)) {
- to = '';
- } else if (isX(tm)) {
- to = `<${+tM + 1}.0.0-0`;
- } else if (isX(tp)) {
- to = `<${tM}.${+tm + 1}.0-0`;
- } else if (tpr) {
- to = `<=${tM}.${tm}.${tp}-${tpr}`;
- } else if (incPr) {
- to = `<${tM}.${tm}.${+tp + 1}-0`;
- } else {
- to = `<=${to}`;
- }
-
- return (`${from} ${to}`).trim()
-};
-
-const testSet = (set, version, options) => {
- for (let i = 0; i < set.length; i++) {
- if (!set[i].test(version)) {
- return false
- }
- }
-
- if (version.prerelease.length && !options.includePrerelease) {
- // Find the set of versions that are allowed to have prereleases
- // For example, ^1.2.3-pr.1 desugars to >=1.2.3-pr.1 <2.0.0
- // That should allow `1.2.3-pr.2` to pass.
- // However, `1.2.4-alpha.notready` should NOT be allowed,
- // even though it's within the range set by the comparators.
- for (let i = 0; i < set.length; i++) {
- debug_1(set[i].semver);
- if (set[i].semver === comparator.ANY) {
- continue
- }
-
- if (set[i].semver.prerelease.length > 0) {
- const allowed = set[i].semver;
- if (allowed.major === version.major &&
- allowed.minor === version.minor &&
- allowed.patch === version.patch) {
- return true
- }
- }
- }
-
- // Version has a -pre, but it's not one of the ones we like.
- return false
- }
-
- return true
-};
-
-const ANY$2 = Symbol('SemVer ANY');
-// hoisted class for cyclic dependency
-class Comparator {
- static get ANY () {
- return ANY$2
- }
-
- constructor (comp, options) {
- options = parseOptions_1(options);
-
- if (comp instanceof Comparator) {
- if (comp.loose === !!options.loose) {
- return comp
- } else {
- comp = comp.value;
- }
- }
-
- debug_1('comparator', comp, options);
- this.options = options;
- this.loose = !!options.loose;
- this.parse(comp);
-
- if (this.semver === ANY$2) {
- this.value = '';
- } else {
- this.value = this.operator + this.semver.version;
- }
-
- debug_1('comp', this);
- }
-
- parse (comp) {
- const r = this.options.loose ? re[t.COMPARATORLOOSE] : re[t.COMPARATOR];
- const m = comp.match(r);
-
- if (!m) {
- throw new TypeError(`Invalid comparator: ${comp}`)
- }
-
- this.operator = m[1] !== undefined ? m[1] : '';
- if (this.operator === '=') {
- this.operator = '';
- }
-
- // if it literally is just '>' or '' then allow anything.
- if (!m[2]) {
- this.semver = ANY$2;
- } else {
- this.semver = new semver$2(m[2], this.options.loose);
- }
- }
-
- toString () {
- return this.value
- }
-
- test (version) {
- debug_1('Comparator.test', version, this.options.loose);
-
- if (this.semver === ANY$2 || version === ANY$2) {
- return true
- }
-
- if (typeof version === 'string') {
- try {
- version = new semver$2(version, this.options);
- } catch (er) {
- return false
- }
- }
-
- return cmp_1(version, this.operator, this.semver, this.options)
- }
-
- intersects (comp, options) {
- if (!(comp instanceof Comparator)) {
- throw new TypeError('a Comparator is required')
- }
-
- if (!options || typeof options !== 'object') {
- options = {
- loose: !!options,
- includePrerelease: false,
- };
- }
-
- if (this.operator === '') {
- if (this.value === '') {
- return true
- }
- return new range(comp.value, options).test(this.value)
- } else if (comp.operator === '') {
- if (comp.value === '') {
- return true
- }
- return new range(this.value, options).test(comp.semver)
- }
-
- const sameDirectionIncreasing =
- (this.operator === '>=' || this.operator === '>') &&
- (comp.operator === '>=' || comp.operator === '>');
- const sameDirectionDecreasing =
- (this.operator === '<=' || this.operator === '<') &&
- (comp.operator === '<=' || comp.operator === '<');
- const sameSemVer = this.semver.version === comp.semver.version;
- const differentDirectionsInclusive =
- (this.operator === '>=' || this.operator === '<=') &&
- (comp.operator === '>=' || comp.operator === '<=');
- const oppositeDirectionsLessThan =
- cmp_1(this.semver, '<', comp.semver, options) &&
- (this.operator === '>=' || this.operator === '>') &&
- (comp.operator === '<=' || comp.operator === '<');
- const oppositeDirectionsGreaterThan =
- cmp_1(this.semver, '>', comp.semver, options) &&
- (this.operator === '<=' || this.operator === '<') &&
- (comp.operator === '>=' || comp.operator === '>');
-
- return (
- sameDirectionIncreasing ||
- sameDirectionDecreasing ||
- (sameSemVer && differentDirectionsInclusive) ||
- oppositeDirectionsLessThan ||
- oppositeDirectionsGreaterThan
- )
- }
-}
-
-var comparator = Comparator;
-
-
-const { re, t } = re_1;
-
-const satisfies = (version, range$1, options) => {
- try {
- range$1 = new range(range$1, options);
- } catch (er) {
- return false
- }
- return range$1.test(version)
-};
-var satisfies_1 = satisfies;
-
-// Mostly just for testing and legacy API reasons
-const toComparators = (range$1, options) =>
- new range(range$1, options).set
- .map(comp => comp.map(c => c.value).join(' ').trim().split(' '));
-
-var toComparators_1 = toComparators;
-
-const maxSatisfying = (versions, range$1, options) => {
- let max = null;
- let maxSV = null;
- let rangeObj = null;
- try {
- rangeObj = new range(range$1, options);
- } catch (er) {
- return null
- }
- versions.forEach((v) => {
- if (rangeObj.test(v)) {
- // satisfies(v, range, options)
- if (!max || maxSV.compare(v) === -1) {
- // compare(max, v, true)
- max = v;
- maxSV = new semver$2(max, options);
- }
- }
- });
- return max
-};
-var maxSatisfying_1 = maxSatisfying;
-
-const minSatisfying = (versions, range$1, options) => {
- let min = null;
- let minSV = null;
- let rangeObj = null;
- try {
- rangeObj = new range(range$1, options);
- } catch (er) {
- return null
- }
- versions.forEach((v) => {
- if (rangeObj.test(v)) {
- // satisfies(v, range, options)
- if (!min || minSV.compare(v) === 1) {
- // compare(min, v, true)
- min = v;
- minSV = new semver$2(min, options);
- }
- }
- });
- return min
-};
-var minSatisfying_1 = minSatisfying;
-
-const minVersion = (range$1, loose) => {
- range$1 = new range(range$1, loose);
-
- let minver = new semver$2('0.0.0');
- if (range$1.test(minver)) {
- return minver
- }
-
- minver = new semver$2('0.0.0-0');
- if (range$1.test(minver)) {
- return minver
- }
-
- minver = null;
- for (let i = 0; i < range$1.set.length; ++i) {
- const comparators = range$1.set[i];
-
- let setMin = null;
- comparators.forEach((comparator) => {
- // Clone to avoid manipulating the comparator's semver object.
- const compver = new semver$2(comparator.semver.version);
- switch (comparator.operator) {
- case '>':
- if (compver.prerelease.length === 0) {
- compver.patch++;
- } else {
- compver.prerelease.push(0);
- }
- compver.raw = compver.format();
- /* fallthrough */
- case '':
- case '>=':
- if (!setMin || gt_1(compver, setMin)) {
- setMin = compver;
- }
- break
- case '<':
- case '<=':
- /* Ignore maximum versions */
- break
- /* istanbul ignore next */
- default:
- throw new Error(`Unexpected operation: ${comparator.operator}`)
- }
- });
- if (setMin && (!minver || gt_1(minver, setMin))) {
- minver = setMin;
- }
- }
-
- if (minver && range$1.test(minver)) {
- return minver
- }
-
- return null
-};
-var minVersion_1 = minVersion;
-
-const validRange = (range$1, options) => {
- try {
- // Return '*' instead of '' so that truthiness works.
- // This will throw if it's invalid anyway
- return new range(range$1, options).range || '*'
- } catch (er) {
- return null
- }
-};
-var valid = validRange;
-
-const { ANY: ANY$1 } = comparator;
-
-
-
-
-
-
-
-const outside = (version, range$1, hilo, options) => {
- version = new semver$2(version, options);
- range$1 = new range(range$1, options);
-
- let gtfn, ltefn, ltfn, comp, ecomp;
- switch (hilo) {
- case '>':
- gtfn = gt_1;
- ltefn = lte_1;
- ltfn = lt_1;
- comp = '>';
- ecomp = '>=';
- break
- case '<':
- gtfn = lt_1;
- ltefn = gte_1;
- ltfn = gt_1;
- comp = '<';
- ecomp = '<=';
- break
- default:
- throw new TypeError('Must provide a hilo val of "<" or ">"')
- }
-
- // If it satisfies the range it is not outside
- if (satisfies_1(version, range$1, options)) {
- return false
- }
-
- // From now on, variable terms are as if we're in "gtr" mode.
- // but note that everything is flipped for the "ltr" function.
-
- for (let i = 0; i < range$1.set.length; ++i) {
- const comparators = range$1.set[i];
-
- let high = null;
- let low = null;
-
- comparators.forEach((comparator$1) => {
- if (comparator$1.semver === ANY$1) {
- comparator$1 = new comparator('>=0.0.0');
- }
- high = high || comparator$1;
- low = low || comparator$1;
- if (gtfn(comparator$1.semver, high.semver, options)) {
- high = comparator$1;
- } else if (ltfn(comparator$1.semver, low.semver, options)) {
- low = comparator$1;
- }
- });
-
- // If the edge version comparator has a operator then our version
- // isn't outside it
- if (high.operator === comp || high.operator === ecomp) {
- return false
- }
-
- // If the lowest version comparator has an operator and our version
- // is less than it then it isn't higher than the range
- if ((!low.operator || low.operator === comp) &&
- ltefn(version, low.semver)) {
- return false
- } else if (low.operator === ecomp && ltfn(version, low.semver)) {
- return false
- }
- }
- return true
-};
-
-var outside_1 = outside;
-
-// Determine if version is greater than all the versions possible in the range.
-
-const gtr = (version, range, options) => outside_1(version, range, '>', options);
-var gtr_1 = gtr;
-
-// Determine if version is less than all the versions possible in the range
-const ltr = (version, range, options) => outside_1(version, range, '<', options);
-var ltr_1 = ltr;
-
-const intersects = (r1, r2, options) => {
- r1 = new range(r1, options);
- r2 = new range(r2, options);
- return r1.intersects(r2)
-};
-var intersects_1 = intersects;
-
-// given a set of versions and a range, create a "simplified" range
-// that includes the same versions that the original range does
-// If the original range is shorter than the simplified one, return that.
-
-
-var simplify = (versions, range, options) => {
- const set = [];
- let first = null;
- let prev = null;
- const v = versions.sort((a, b) => compare_1(a, b, options));
- for (const version of v) {
- const included = satisfies_1(version, range, options);
- if (included) {
- prev = version;
- if (!first) {
- first = version;
- }
- } else {
- if (prev) {
- set.push([first, prev]);
- }
- prev = null;
- first = null;
- }
- }
- if (first) {
- set.push([first, null]);
- }
-
- const ranges = [];
- for (const [min, max] of set) {
- if (min === max) {
- ranges.push(min);
- } else if (!max && min === v[0]) {
- ranges.push('*');
- } else if (!max) {
- ranges.push(`>=${min}`);
- } else if (min === v[0]) {
- ranges.push(`<=${max}`);
- } else {
- ranges.push(`${min} - ${max}`);
- }
- }
- const simplified = ranges.join(' || ');
- const original = typeof range.raw === 'string' ? range.raw : String(range);
- return simplified.length < original.length ? simplified : range
-};
-
-const { ANY } = comparator;
-
-
-
-// Complex range `r1 || r2 || ...` is a subset of `R1 || R2 || ...` iff:
-// - Every simple range `r1, r2, ...` is a null set, OR
-// - Every simple range `r1, r2, ...` which is not a null set is a subset of
-// some `R1, R2, ...`
-//
-// Simple range `c1 c2 ...` is a subset of simple range `C1 C2 ...` iff:
-// - If c is only the ANY comparator
-// - If C is only the ANY comparator, return true
-// - Else if in prerelease mode, return false
-// - else replace c with `[>=0.0.0]`
-// - If C is only the ANY comparator
-// - if in prerelease mode, return true
-// - else replace C with `[>=0.0.0]`
-// - Let EQ be the set of = comparators in c
-// - If EQ is more than one, return true (null set)
-// - Let GT be the highest > or >= comparator in c
-// - Let LT be the lowest < or <= comparator in c
-// - If GT and LT, and GT.semver > LT.semver, return true (null set)
-// - If any C is a = range, and GT or LT are set, return false
-// - If EQ
-// - If GT, and EQ does not satisfy GT, return true (null set)
-// - If LT, and EQ does not satisfy LT, return true (null set)
-// - If EQ satisfies every C, return true
-// - Else return false
-// - If GT
-// - If GT.semver is lower than any > or >= comp in C, return false
-// - If GT is >=, and GT.semver does not satisfy every C, return false
-// - If GT.semver has a prerelease, and not in prerelease mode
-// - If no C has a prerelease and the GT.semver tuple, return false
-// - If LT
-// - If LT.semver is greater than any < or <= comp in C, return false
-// - If LT is <=, and LT.semver does not satisfy every C, return false
-// - If GT.semver has a prerelease, and not in prerelease mode
-// - If no C has a prerelease and the LT.semver tuple, return false
-// - Else return true
-
-const subset = (sub, dom, options = {}) => {
- if (sub === dom) {
- return true
- }
-
- sub = new range(sub, options);
- dom = new range(dom, options);
- let sawNonNull = false;
-
- OUTER: for (const simpleSub of sub.set) {
- for (const simpleDom of dom.set) {
- const isSub = simpleSubset(simpleSub, simpleDom, options);
- sawNonNull = sawNonNull || isSub !== null;
- if (isSub) {
- continue OUTER
- }
- }
- // the null set is a subset of everything, but null simple ranges in
- // a complex range should be ignored. so if we saw a non-null range,
- // then we know this isn't a subset, but if EVERY simple range was null,
- // then it is a subset.
- if (sawNonNull) {
- return false
- }
- }
- return true
-};
-
-const simpleSubset = (sub, dom, options) => {
- if (sub === dom) {
- return true
- }
-
- if (sub.length === 1 && sub[0].semver === ANY) {
- if (dom.length === 1 && dom[0].semver === ANY) {
- return true
- } else if (options.includePrerelease) {
- sub = [new comparator('>=0.0.0-0')];
- } else {
- sub = [new comparator('>=0.0.0')];
- }
- }
-
- if (dom.length === 1 && dom[0].semver === ANY) {
- if (options.includePrerelease) {
- return true
- } else {
- dom = [new comparator('>=0.0.0')];
- }
- }
-
- const eqSet = new Set();
- let gt, lt;
- for (const c of sub) {
- if (c.operator === '>' || c.operator === '>=') {
- gt = higherGT(gt, c, options);
- } else if (c.operator === '<' || c.operator === '<=') {
- lt = lowerLT(lt, c, options);
- } else {
- eqSet.add(c.semver);
- }
- }
-
- if (eqSet.size > 1) {
- return null
- }
-
- let gtltComp;
- if (gt && lt) {
- gtltComp = compare_1(gt.semver, lt.semver, options);
- if (gtltComp > 0) {
- return null
- } else if (gtltComp === 0 && (gt.operator !== '>=' || lt.operator !== '<=')) {
- return null
- }
- }
-
- // will iterate one or zero times
- for (const eq of eqSet) {
- if (gt && !satisfies_1(eq, String(gt), options)) {
- return null
- }
-
- if (lt && !satisfies_1(eq, String(lt), options)) {
- return null
- }
-
- for (const c of dom) {
- if (!satisfies_1(eq, String(c), options)) {
- return false
- }
- }
-
- return true
- }
-
- let higher, lower;
- let hasDomLT, hasDomGT;
- // if the subset has a prerelease, we need a comparator in the superset
- // with the same tuple and a prerelease, or it's not a subset
- let needDomLTPre = lt &&
- !options.includePrerelease &&
- lt.semver.prerelease.length ? lt.semver : false;
- let needDomGTPre = gt &&
- !options.includePrerelease &&
- gt.semver.prerelease.length ? gt.semver : false;
- // exception: <1.2.3-0 is the same as <1.2.3
- if (needDomLTPre && needDomLTPre.prerelease.length === 1 &&
- lt.operator === '<' && needDomLTPre.prerelease[0] === 0) {
- needDomLTPre = false;
- }
-
- for (const c of dom) {
- hasDomGT = hasDomGT || c.operator === '>' || c.operator === '>=';
- hasDomLT = hasDomLT || c.operator === '<' || c.operator === '<=';
- if (gt) {
- if (needDomGTPre) {
- if (c.semver.prerelease && c.semver.prerelease.length &&
- c.semver.major === needDomGTPre.major &&
- c.semver.minor === needDomGTPre.minor &&
- c.semver.patch === needDomGTPre.patch) {
- needDomGTPre = false;
- }
- }
- if (c.operator === '>' || c.operator === '>=') {
- higher = higherGT(gt, c, options);
- if (higher === c && higher !== gt) {
- return false
- }
- } else if (gt.operator === '>=' && !satisfies_1(gt.semver, String(c), options)) {
- return false
- }
- }
- if (lt) {
- if (needDomLTPre) {
- if (c.semver.prerelease && c.semver.prerelease.length &&
- c.semver.major === needDomLTPre.major &&
- c.semver.minor === needDomLTPre.minor &&
- c.semver.patch === needDomLTPre.patch) {
- needDomLTPre = false;
- }
- }
- if (c.operator === '<' || c.operator === '<=') {
- lower = lowerLT(lt, c, options);
- if (lower === c && lower !== lt) {
- return false
- }
- } else if (lt.operator === '<=' && !satisfies_1(lt.semver, String(c), options)) {
- return false
- }
- }
- if (!c.operator && (lt || gt) && gtltComp !== 0) {
- return false
- }
- }
-
- // if there was a < or >, and nothing in the dom, then must be false
- // UNLESS it was limited by another range in the other direction.
- // Eg, >1.0.0 <1.0.1 is still a subset of <2.0.0
- if (gt && hasDomLT && !lt && gtltComp !== 0) {
- return false
- }
-
- if (lt && hasDomGT && !gt && gtltComp !== 0) {
- return false
- }
-
- // we needed a prerelease range in a specific tuple, but didn't get one
- // then this isn't a subset. eg >=1.2.3-pre is not a subset of >=1.0.0,
- // because it includes prereleases in the 1.2.3 tuple
- if (needDomGTPre || needDomLTPre) {
- return false
- }
-
- return true
-};
-
-// >=1.2.3 is lower than >1.2.3
-const higherGT = (a, b, options) => {
- if (!a) {
- return b
- }
- const comp = compare_1(a.semver, b.semver, options);
- return comp > 0 ? a
- : comp < 0 ? b
- : b.operator === '>' && a.operator === '>=' ? b
- : a
-};
-
-// <=1.2.3 is higher than <1.2.3
-const lowerLT = (a, b, options) => {
- if (!a) {
- return b
- }
- const comp = compare_1(a.semver, b.semver, options);
- return comp < 0 ? a
- : comp > 0 ? b
- : b.operator === '<' && a.operator === '<=' ? b
- : a
-};
-
-var subset_1 = subset;
-
-// just pre-load all the stuff that index.js lazily exports
-
-var semver$1 = {
- re: re_1.re,
- src: re_1.src,
- tokens: re_1.t,
- SEMVER_SPEC_VERSION: constants.SEMVER_SPEC_VERSION,
- SemVer: semver$2,
- compareIdentifiers: identifiers.compareIdentifiers,
- rcompareIdentifiers: identifiers.rcompareIdentifiers,
- parse: parse_1,
- valid: valid_1,
- clean: clean_1,
- inc: inc_1,
- diff: diff_1,
- major: major_1,
- minor: minor_1,
- patch: patch_1,
- prerelease: prerelease_1,
- compare: compare_1,
- rcompare: rcompare_1,
- compareLoose: compareLoose_1,
- compareBuild: compareBuild_1,
- sort: sort_1,
- rsort: rsort_1,
- gt: gt_1,
- lt: lt_1,
- eq: eq_1,
- neq: neq_1,
- gte: gte_1,
- lte: lte_1,
- cmp: cmp_1,
- coerce: coerce_1,
- Comparator: comparator,
- Range: range,
- satisfies: satisfies_1,
- toComparators: toComparators_1,
- maxSatisfying: maxSatisfying_1,
- minSatisfying: minSatisfying_1,
- minVersion: minVersion_1,
- validRange: valid,
- outside: outside_1,
- gtr: gtr_1,
- ltr: ltr_1,
- intersects: intersects_1,
- simplifyRange: simplify,
- subset: subset_1,
-};
+var path$4 = require$$0__default$2["default"];
var commondir = function (basedir, relfiles) {
if (relfiles) {
var files = relfiles.map(function (r) {
- return path__default['default'].resolve(basedir, r);
+ return path$4.resolve(basedir, r);
});
}
else {
@@ -28047,16 +20353,29 @@ var commondir = function (basedir, relfiles) {
return res.length > 1 ? res.join('/') : '/'
};
-const pTry = (fn, ...arguments_) => new Promise(resolve => {
+var pkgDir$2 = {exports: {}};
+
+var findUp$1 = {exports: {}};
+
+var locatePath = {exports: {}};
+
+var pLocate$2 = {exports: {}};
+
+var pLimit$2 = {exports: {}};
+
+var pTry$2 = {exports: {}};
+
+const pTry$1 = (fn, ...arguments_) => new Promise(resolve => {
resolve(fn(...arguments_));
});
-var pTry_1 = pTry;
+pTry$2.exports = pTry$1;
// TODO: remove this in the next major version
-var _default$3 = pTry;
-pTry_1.default = _default$3;
+pTry$2.exports.default = pTry$1;
-const pLimit = concurrency => {
+const pTry = pTry$2.exports;
+
+const pLimit$1 = concurrency => {
if (!((Number.isInteger(concurrency) || concurrency === Infinity) && concurrency > 0)) {
return Promise.reject(new TypeError('Expected `concurrency` to be a number from 1 and up'));
}
@@ -28075,7 +20394,7 @@ const pLimit = concurrency => {
const run = (fn, resolve, ...args) => {
activeCount++;
- const result = pTry_1(fn, ...args);
+ const result = pTry(fn, ...args);
resolve(result);
@@ -28103,9 +20422,10 @@ const pLimit = concurrency => {
return generator;
};
-var pLimit_1 = pLimit;
-var _default$2 = pLimit;
-pLimit_1.default = _default$2;
+pLimit$2.exports = pLimit$1;
+pLimit$2.exports.default = pLimit$1;
+
+const pLimit = pLimit$2.exports;
class EndError extends Error {
constructor(value) {
@@ -28127,20 +20447,20 @@ const finder = async element => {
return false;
};
-const pLocate = async (iterable, tester, options) => {
+const pLocate$1 = async (iterable, tester, options) => {
options = {
concurrency: Infinity,
preserveOrder: true,
...options
};
- const limit = pLimit_1(options.concurrency);
+ const limit = pLimit(options.concurrency);
// Start all the promises concurrently with optional limit
const items = [...iterable].map(element => [element, limit(testElement, element, tester)]);
// Check the promises either serially or concurrently
- const checkLimit = pLimit_1(options.preserveOrder ? 1 : Infinity);
+ const checkLimit = pLimit(options.preserveOrder ? 1 : Infinity);
try {
await Promise.all(items.map(element => checkLimit(finder, element)));
@@ -28153,16 +20473,17 @@ const pLocate = async (iterable, tester, options) => {
}
};
-var pLocate_1 = pLocate;
+pLocate$2.exports = pLocate$1;
// TODO: Remove this for the next major release
-var _default$1 = pLocate;
-pLocate_1.default = _default$1;
+pLocate$2.exports.default = pLocate$1;
-const {promisify: promisify$2} = require$$0__default['default'];
+const path$3 = require$$0__default$2["default"];
+const fs$3 = require$$0__default$3["default"];
+const {promisify: promisify$2} = require$$2__default["default"];
+const pLocate = pLocate$2.exports;
-
-const fsStat = promisify$2(fs__default['default'].stat);
-const fsLStat = promisify$2(fs__default['default'].lstat);
+const fsStat = promisify$2(fs$3.stat);
+const fsLStat = promisify$2(fs$3.lstat);
const typeMappings = {
directory: 'isDirectory',
@@ -28179,7 +20500,7 @@ function checkType({type}) {
const matchType = (type, stat) => type === undefined || stat[typeMappings[type]]();
-var locatePath = async (paths, options) => {
+locatePath.exports = async (paths, options) => {
options = {
cwd: process.cwd(),
type: 'file',
@@ -28189,9 +20510,9 @@ var locatePath = async (paths, options) => {
checkType(options);
const statFn = options.allowSymlinks ? fsStat : fsLStat;
- return pLocate_1(paths, async path_ => {
+ return pLocate(paths, async path_ => {
try {
- const stat = await statFn(path__default['default'].resolve(options.cwd, path_));
+ const stat = await statFn(path$3.resolve(options.cwd, path_));
return matchType(options.type, stat);
} catch (_) {
return false;
@@ -28199,7 +20520,7 @@ var locatePath = async (paths, options) => {
}, options);
};
-var sync$3 = (paths, options) => {
+locatePath.exports.sync = (paths, options) => {
options = {
cwd: process.cwd(),
allowSymlinks: true,
@@ -28207,11 +20528,11 @@ var sync$3 = (paths, options) => {
...options
};
checkType(options);
- const statFn = options.allowSymlinks ? fs__default['default'].statSync : fs__default['default'].lstatSync;
+ const statFn = options.allowSymlinks ? fs$3.statSync : fs$3.lstatSync;
for (const path_ of paths) {
try {
- const stat = statFn(path__default['default'].resolve(options.cwd, path_));
+ const stat = statFn(path$3.resolve(options.cwd, path_));
if (matchType(options.type, stat)) {
return path_;
@@ -28220,13 +20541,15 @@ var sync$3 = (paths, options) => {
}
}
};
-locatePath.sync = sync$3;
-const {promisify: promisify$1} = require$$0__default['default'];
+var pathExists = {exports: {}};
-const pAccess = promisify$1(fs__default['default'].access);
+const fs$2 = require$$0__default$3["default"];
+const {promisify: promisify$1} = require$$2__default["default"];
-var pathExists = async path => {
+const pAccess = promisify$1(fs$2.access);
+
+pathExists.exports = async path => {
try {
await pAccess(path);
return true;
@@ -28235,36 +20558,35 @@ var pathExists = async path => {
}
};
-var sync$2 = path => {
+pathExists.exports.sync = path => {
try {
- fs__default['default'].accessSync(path);
+ fs$2.accessSync(path);
return true;
} catch (_) {
return false;
}
};
-pathExists.sync = sync$2;
-
-var findUp = createCommonjsModule(function (module) {
-
-
+(function (module) {
+const path = require$$0__default$2["default"];
+const locatePath$1 = locatePath.exports;
+const pathExists$1 = pathExists.exports;
const stop = Symbol('findUp.stop');
module.exports = async (name, options = {}) => {
- let directory = path__default['default'].resolve(options.cwd || '');
- const {root} = path__default['default'].parse(directory);
+ let directory = path.resolve(options.cwd || '');
+ const {root} = path.parse(directory);
const paths = [].concat(name);
const runMatcher = async locateOptions => {
if (typeof name !== 'function') {
- return locatePath(paths, locateOptions);
+ return locatePath$1(paths, locateOptions);
}
const foundPath = await name(locateOptions.cwd);
if (typeof foundPath === 'string') {
- return locatePath([foundPath], locateOptions);
+ return locatePath$1([foundPath], locateOptions);
}
return foundPath;
@@ -28280,30 +20602,30 @@ module.exports = async (name, options = {}) => {
}
if (foundPath) {
- return path__default['default'].resolve(directory, foundPath);
+ return path.resolve(directory, foundPath);
}
if (directory === root) {
return;
}
- directory = path__default['default'].dirname(directory);
+ directory = path.dirname(directory);
}
};
module.exports.sync = (name, options = {}) => {
- let directory = path__default['default'].resolve(options.cwd || '');
- const {root} = path__default['default'].parse(directory);
+ let directory = path.resolve(options.cwd || '');
+ const {root} = path.parse(directory);
const paths = [].concat(name);
const runMatcher = locateOptions => {
if (typeof name !== 'function') {
- return locatePath.sync(paths, locateOptions);
+ return locatePath$1.sync(paths, locateOptions);
}
const foundPath = name(locateOptions.cwd);
if (typeof foundPath === 'string') {
- return locatePath.sync([foundPath], locateOptions);
+ return locatePath$1.sync([foundPath], locateOptions);
}
return foundPath;
@@ -28318,41 +20640,46 @@ module.exports.sync = (name, options = {}) => {
}
if (foundPath) {
- return path__default['default'].resolve(directory, foundPath);
+ return path.resolve(directory, foundPath);
}
if (directory === root) {
return;
}
- directory = path__default['default'].dirname(directory);
+ directory = path.dirname(directory);
}
};
-module.exports.exists = pathExists;
+module.exports.exists = pathExists$1;
-module.exports.sync.exists = pathExists.sync;
+module.exports.sync.exists = pathExists$1.sync;
module.exports.stop = stop;
-});
+}(findUp$1));
-const pkgDir = async cwd => {
+const path$2 = require$$0__default$2["default"];
+const findUp = findUp$1.exports;
+
+const pkgDir$1 = async cwd => {
const filePath = await findUp('package.json', {cwd});
- return filePath && path__default['default'].dirname(filePath);
+ return filePath && path$2.dirname(filePath);
};
-var pkgDir_1 = pkgDir;
+pkgDir$2.exports = pkgDir$1;
// TODO: Remove this for the next major release
-var _default = pkgDir;
+pkgDir$2.exports.default = pkgDir$1;
-var sync$1 = cwd => {
+pkgDir$2.exports.sync = cwd => {
const filePath = findUp.sync('package.json', {cwd});
- return filePath && path__default['default'].dirname(filePath);
+ return filePath && path$2.dirname(filePath);
};
-pkgDir_1.default = _default;
-pkgDir_1.sync = sync$1;
-var semver = createCommonjsModule(function (module, exports) {
+var makeDir$2 = {exports: {}};
+
+var semver$1 = {exports: {}};
+
+(function (module, exports) {
exports = module.exports = SemVer;
var debug;
@@ -29949,10 +22276,12 @@ function coerce (version, options) {
'.' + (match[3] || '0') +
'.' + (match[4] || '0'), options)
}
-});
-
-const {promisify} = require$$0__default['default'];
+}(semver$1, semver$1.exports));
+const fs$1 = require$$0__default$3["default"];
+const path$1 = require$$0__default$2["default"];
+const {promisify} = require$$2__default["default"];
+const semver = semver$1.exports;
const useNativeRecursiveOption = semver.satisfies(process.version, '>=10.12.0');
@@ -29960,7 +22289,7 @@ const useNativeRecursiveOption = semver.satisfies(process.version, '>=10.12.0');
// https://github.com/libuv/libuv/pull/1088
const checkPath = pth => {
if (process.platform === 'win32') {
- const pathHasInvalidWinCharacters = /[<>:"|?*]/.test(pth.replace(path__default['default'].parse(pth).root, ''));
+ const pathHasInvalidWinCharacters = /[<>:"|?*]/.test(pth.replace(path$1.parse(pth).root, ''));
if (pathHasInvalidWinCharacters) {
const error = new Error(`Path contains invalid characters: ${pth}`);
@@ -29974,7 +22303,7 @@ const processOptions = options => {
// https://github.com/sindresorhus/make-dir/issues/18
const defaults = {
mode: 0o777 & (~process.umask()),
- fs: fs__default['default']
+ fs: fs$1
};
return {
@@ -29994,15 +22323,15 @@ const permissionError = pth => {
return error;
};
-const makeDir = async (input, options) => {
+const makeDir$1 = async (input, options) => {
checkPath(input);
options = processOptions(options);
const mkdir = promisify(options.fs.mkdir);
const stat = promisify(options.fs.stat);
- if (useNativeRecursiveOption && options.fs.mkdir === fs__default['default'].mkdir) {
- const pth = path__default['default'].resolve(input);
+ if (useNativeRecursiveOption && options.fs.mkdir === fs$1.mkdir) {
+ const pth = path$1.resolve(input);
await mkdir(pth, {
mode: options.mode,
@@ -30023,7 +22352,7 @@ const makeDir = async (input, options) => {
}
if (error.code === 'ENOENT') {
- if (path__default['default'].dirname(pth) === pth) {
+ if (path$1.dirname(pth) === pth) {
throw permissionError(pth);
}
@@ -30031,7 +22360,7 @@ const makeDir = async (input, options) => {
throw error;
}
- await make(path__default['default'].dirname(pth));
+ await make(path$1.dirname(pth));
return make(pth);
}
@@ -30049,19 +22378,19 @@ const makeDir = async (input, options) => {
}
};
- return make(path__default['default'].resolve(input));
+ return make(path$1.resolve(input));
};
-var makeDir_1 = makeDir;
+makeDir$2.exports = makeDir$1;
-var sync = (input, options) => {
+makeDir$2.exports.sync = (input, options) => {
checkPath(input);
options = processOptions(options);
- if (useNativeRecursiveOption && options.fs.mkdirSync === fs__default['default'].mkdirSync) {
- const pth = path__default['default'].resolve(input);
+ if (useNativeRecursiveOption && options.fs.mkdirSync === fs$1.mkdirSync) {
+ const pth = path$1.resolve(input);
- fs__default['default'].mkdirSync(pth, {
+ fs$1.mkdirSync(pth, {
mode: options.mode,
recursive: true
});
@@ -30078,7 +22407,7 @@ var sync = (input, options) => {
}
if (error.code === 'ENOENT') {
- if (path__default['default'].dirname(pth) === pth) {
+ if (path$1.dirname(pth) === pth) {
throw permissionError(pth);
}
@@ -30086,7 +22415,7 @@ var sync = (input, options) => {
throw error;
}
- make(path__default['default'].dirname(pth));
+ make(path$1.dirname(pth));
return make(pth);
}
@@ -30102,15 +22431,20 @@ var sync = (input, options) => {
return pth;
};
- return make(path__default['default'].resolve(input));
+ return make(path$1.resolve(input));
};
-makeDir_1.sync = sync;
+
+const path = require$$0__default$2["default"];
+const fs = require$$0__default$3["default"];
+const commonDir = commondir;
+const pkgDir = pkgDir$2.exports;
+const makeDir = makeDir$2.exports;
const {env, cwd} = process;
const isWritable = path => {
try {
- fs__default['default'].accessSync(path, fs__default['default'].constants.W_OK);
+ fs.accessSync(path, fs.constants.W_OK);
return true;
} catch (_) {
return false;
@@ -30119,22 +22453,22 @@ const isWritable = path => {
function useDirectory(directory, options) {
if (options.create) {
- makeDir_1.sync(directory);
+ makeDir.sync(directory);
}
if (options.thunk) {
- return (...arguments_) => path__default['default'].join(directory, ...arguments_);
+ return (...arguments_) => path.join(directory, ...arguments_);
}
return directory;
}
function getNodeModuleDirectory(directory) {
- const nodeModules = path__default['default'].join(directory, 'node_modules');
+ const nodeModules = path.join(directory, 'node_modules');
if (
!isWritable(nodeModules) &&
- (fs__default['default'].existsSync(nodeModules) || !isWritable(path__default['default'].join(directory)))
+ (fs.existsSync(nodeModules) || !isWritable(path.join(directory)))
) {
return;
}
@@ -30144,16 +22478,16 @@ function getNodeModuleDirectory(directory) {
var findCacheDir = (options = {}) => {
if (env.CACHE_DIR && !['true', 'false', '1', '0'].includes(env.CACHE_DIR)) {
- return useDirectory(path__default['default'].join(env.CACHE_DIR, options.name), options);
+ return useDirectory(path.join(env.CACHE_DIR, options.name), options);
}
let {cwd: directory = cwd()} = options;
if (options.files) {
- directory = commondir(directory, options.files);
+ directory = commonDir(directory, options.files);
}
- directory = pkgDir_1.sync(directory);
+ directory = pkgDir.sync(directory);
if (!directory) {
return;
@@ -30164,7 +22498,7 @@ var findCacheDir = (options = {}) => {
return undefined;
}
- return useDirectory(path__default['default'].join(directory, 'node_modules', '.cache', options.name), options);
+ return useDirectory(path.join(directory, 'node_modules', '.cache', options.name), options);
};
const typescript = (options) => {
@@ -30187,7 +22521,7 @@ const typescript = (options) => {
return _cache;
};
const pluginOptions = Object.assign({}, options);
- lodash$1.defaults(pluginOptions, {
+ lodash$1.exports.defaults(pluginOptions, {
check: true,
verbosity: VerbosityLevel.Warning,
clean: false,
@@ -30221,14 +22555,12 @@ const typescript = (options) => {
context.info(`tslib version: ${tslibVersion}`);
if (this.meta)
context.info(`rollup version: ${this.meta.rollupVersion}`);
- if (!semver$1.satisfies(tsModule.version, ">=2.4.0", { includePrerelease: true }))
- throw new Error(`Installed typescript version '${tsModule.version}' is outside of supported range '>=2.4.0'`);
context.info(`rollup-plugin-typescript2 version: 0.31.3`);
context.debug(() => `plugin options:\n${JSON.stringify(pluginOptions, (key, value) => key === "typescript" ? `version ${value.version}` : value, 4)}`);
context.debug(() => `rollup config:\n${JSON.stringify(rollupOptions, undefined, 4)}`);
context.debug(() => `tsconfig path: ${tsConfigPath}`);
if (pluginOptions.objectHashIgnoreUnknownHack)
- context.warn(() => `${safe.yellow("You are using 'objectHashIgnoreUnknownHack' option")}. If you enabled it because of async functions, try disabling it now.`);
+ context.warn(() => `${safe.exports.yellow("You are using 'objectHashIgnoreUnknownHack' option")}. If you enabled it because of async functions, try disabling it now.`);
if (watchMode)
context.info(`running in watch mode`);
}
@@ -30261,14 +22593,14 @@ const typescript = (options) => {
if (result.resolvedModule && result.resolvedModule.resolvedFileName) {
if (filter(result.resolvedModule.resolvedFileName))
cache().setDependency(result.resolvedModule.resolvedFileName, importer);
- if (lodash$1.endsWith(result.resolvedModule.resolvedFileName, ".d.ts"))
+ if (lodash$1.exports.endsWith(result.resolvedModule.resolvedFileName, ".d.ts"))
return;
const resolved = pluginOptions.rollupCommonJSResolveHack
? resolve__namespace.sync(result.resolvedModule.resolvedFileName)
: result.resolvedModule.resolvedFileName;
- context.debug(() => `${safe.blue("resolving")} '${importee}' imported by '${importer}'`);
+ context.debug(() => `${safe.exports.blue("resolving")} '${importee}' imported by '${importer}'`);
context.debug(() => ` to '${resolved}'`);
- return path.normalize(resolved);
+ return require$$0$3.normalize(resolved);
}
return;
},
@@ -30290,7 +22622,7 @@ const typescript = (options) => {
if (output.emitSkipped) {
noErrors = false;
// always checking on fatal errors, even if options.check is set to false
- const diagnostics = lodash$1.concat(cache().getSyntacticDiagnostics(id, snapshot, () => {
+ const diagnostics = lodash$1.exports.concat(cache().getSyntacticDiagnostics(id, snapshot, () => {
return service.getSyntacticDiagnostics(id);
}), cache().getSemanticDiagnostics(id, snapshot, () => {
return service.getSemanticDiagnostics(id);
@@ -30298,14 +22630,14 @@ const typescript = (options) => {
printDiagnostics(contextWrapper, diagnostics, parsedConfig.options.pretty === true);
// since no output was generated, aborting compilation
cache().done();
- if (lodash$1.isFunction(this.error))
- this.error(safe.red(`failed to transpile '${id}'`));
+ if (lodash$1.exports.isFunction(this.error))
+ this.error(safe.exports.red(`failed to transpile '${id}'`));
}
const references = getAllReferences(id, servicesHost.getScriptSnapshot(id), parsedConfig.options);
return convertEmitOutput(output, references);
});
if (pluginOptions.check) {
- const diagnostics = lodash$1.concat(cache().getSyntacticDiagnostics(id, snapshot, () => {
+ const diagnostics = lodash$1.exports.concat(cache().getSyntacticDiagnostics(id, snapshot, () => {
return service.getSyntacticDiagnostics(id);
}), cache().getSemanticDiagnostics(id, snapshot, () => {
return service.getSemanticDiagnostics(id);
@@ -30321,12 +22653,12 @@ const typescript = (options) => {
if (tsConfigPath)
this.addWatchFile(tsConfigPath);
result.references.map(this.addWatchFile, this);
- context.debug(() => `${safe.green(" watching")}: ${result.references.join("\nrpt2: ")}`);
+ context.debug(() => `${safe.exports.green(" watching")}: ${result.references.join("\nrpt2: ")}`);
}
if (result.dts) {
const key = normalize(id);
declarations[key] = { type: result.dts, map: result.dtsmap };
- context.debug(() => `${safe.blue("generated declarations")} for '${key}'`);
+ context.debug(() => `${safe.exports.blue("generated declarations")} for '${key}'`);
}
const transformResult = { code: result.code, map: { mappings: "" } };
if (result.map) {
@@ -30351,7 +22683,7 @@ const typescript = (options) => {
const snapshot = servicesHost.getScriptSnapshot(id);
if (!snapshot)
return;
- const diagnostics = lodash$1.concat(cache().getSyntacticDiagnostics(id, snapshot, () => {
+ const diagnostics = lodash$1.exports.concat(cache().getSyntacticDiagnostics(id, snapshot, () => {
return service.getSyntacticDiagnostics(id);
}), cache().getSemanticDiagnostics(id, snapshot, () => {
return service.getSemanticDiagnostics(id);
@@ -30360,16 +22692,16 @@ const typescript = (options) => {
});
}
if (!watchMode && !noErrors)
- context.info(safe.yellow("there were errors or warnings."));
+ context.info(safe.exports.yellow("there were errors or warnings."));
cache().done();
generateRound++;
},
_onwrite(_output) {
if (!parsedConfig.options.declaration)
return;
- lodash$1.each(parsedConfig.fileNames, (name) => {
+ lodash$1.exports.each(parsedConfig.fileNames, (name) => {
const key = normalize(name);
- if (lodash$1.has(declarations, key))
+ if (lodash$1.exports.has(declarations, key))
return;
if (!allImportedFiles.has(key)) {
context.debug(() => `skipping declarations for unused '${key}'`);
@@ -30393,26 +22725,26 @@ const typescript = (options) => {
// under Rollup's output directory, and thus can't be
// emitted as an asset).
if (pluginOptions.useTsconfigDeclarationDir) {
- context.debug(() => `${safe.blue("emitting declarations")} for '${key}' to '${fileName}'`);
+ context.debug(() => `${safe.exports.blue("emitting declarations")} for '${key}' to '${fileName}'`);
tsModule.sys.writeFile(fileName, entry.text, entry.writeByteOrderMark);
}
else {
// don't mutate the entry because generateBundle gets called multiple times
let entryText = entry.text;
- const declarationDir = (_output.file ? path.dirname(_output.file) : _output.dir);
+ const declarationDir = (_output.file ? require$$0$3.dirname(_output.file) : _output.dir);
const cachePlaceholder = `${pluginOptions.cacheRoot}/placeholder`;
// modify declaration map sources to correct relative path
if (extension === ".d.ts.map") {
const parsedText = JSON.parse(entryText);
// invert back to absolute, then make relative to declarationDir
parsedText.sources = parsedText.sources.map(source => {
- const absolutePath = path.resolve(cachePlaceholder, source);
- return normalize(path.relative(declarationDir, absolutePath));
+ const absolutePath = require$$0$3.resolve(cachePlaceholder, source);
+ return normalize(require$$0$3.relative(declarationDir, absolutePath));
});
entryText = JSON.stringify(parsedText);
}
- const relativePath = normalize(path.relative(cachePlaceholder, fileName));
- context.debug(() => `${safe.blue("emitting declarations")} for '${key}' to '${relativePath}'`);
+ const relativePath = normalize(require$$0$3.relative(cachePlaceholder, fileName));
+ context.debug(() => `${safe.exports.blue("emitting declarations")} for '${key}' to '${relativePath}'`);
this.emitFile({
type: "asset",
source: entryText,
@@ -30420,7 +22752,7 @@ const typescript = (options) => {
});
}
};
- lodash$1.each(declarations, ({ type, map }, key) => {
+ lodash$1.exports.each(declarations, ({ type, map }, key) => {
emitDeclaration(key, ".d.ts", type);
emitDeclaration(key, ".d.ts.map", map);
});
diff --git a/dist/rollup-plugin-typescript2.cjs.js.map b/dist/rollup-plugin-typescript2.cjs.js.map
index 118b8dd..78c9e66 100644
--- a/dist/rollup-plugin-typescript2.cjs.js.map
+++ b/dist/rollup-plugin-typescript2.cjs.js.map
@@ -1 +1 @@
-{"version":3,"file":"rollup-plugin-typescript2.cjs.js","sources":["../node_modules/lodash/lodash.js","../src/context.ts","../src/rollupcontext.ts","../src/tsproxy.ts","../src/normalize.ts","../src/host.ts","../node_modules/lodash/_listCacheClear.js","../node_modules/lodash/eq.js","../node_modules/lodash/_assocIndexOf.js","../node_modules/lodash/_listCacheDelete.js","../node_modules/lodash/_listCacheGet.js","../node_modules/lodash/_listCacheHas.js","../node_modules/lodash/_listCacheSet.js","../node_modules/lodash/_ListCache.js","../node_modules/lodash/_stackClear.js","../node_modules/lodash/_stackDelete.js","../node_modules/lodash/_stackGet.js","../node_modules/lodash/_stackHas.js","../node_modules/lodash/_freeGlobal.js","../node_modules/lodash/_root.js","../node_modules/lodash/_Symbol.js","../node_modules/lodash/_getRawTag.js","../node_modules/lodash/_objectToString.js","../node_modules/lodash/_baseGetTag.js","../node_modules/lodash/isObject.js","../node_modules/lodash/isFunction.js","../node_modules/lodash/_coreJsData.js","../node_modules/lodash/_isMasked.js","../node_modules/lodash/_toSource.js","../node_modules/lodash/_baseIsNative.js","../node_modules/lodash/_getValue.js","../node_modules/lodash/_getNative.js","../node_modules/lodash/_Map.js","../node_modules/lodash/_nativeCreate.js","../node_modules/lodash/_hashClear.js","../node_modules/lodash/_hashDelete.js","../node_modules/lodash/_hashGet.js","../node_modules/lodash/_hashHas.js","../node_modules/lodash/_hashSet.js","../node_modules/lodash/_Hash.js","../node_modules/lodash/_mapCacheClear.js","../node_modules/lodash/_isKeyable.js","../node_modules/lodash/_getMapData.js","../node_modules/lodash/_mapCacheDelete.js","../node_modules/lodash/_mapCacheGet.js","../node_modules/lodash/_mapCacheHas.js","../node_modules/lodash/_mapCacheSet.js","../node_modules/lodash/_MapCache.js","../node_modules/lodash/_stackSet.js","../node_modules/lodash/_Stack.js","../node_modules/lodash/_arrayEach.js","../node_modules/lodash/_defineProperty.js","../node_modules/lodash/_baseAssignValue.js","../node_modules/lodash/_assignValue.js","../node_modules/lodash/_copyObject.js","../node_modules/lodash/_baseTimes.js","../node_modules/lodash/isObjectLike.js","../node_modules/lodash/_baseIsArguments.js","../node_modules/lodash/isArguments.js","../node_modules/lodash/isArray.js","../node_modules/lodash/stubFalse.js","../node_modules/lodash/isBuffer.js","../node_modules/lodash/_isIndex.js","../node_modules/lodash/isLength.js","../node_modules/lodash/_baseIsTypedArray.js","../node_modules/lodash/_baseUnary.js","../node_modules/lodash/_nodeUtil.js","../node_modules/lodash/isTypedArray.js","../node_modules/lodash/_arrayLikeKeys.js","../node_modules/lodash/_isPrototype.js","../node_modules/lodash/_overArg.js","../node_modules/lodash/_nativeKeys.js","../node_modules/lodash/_baseKeys.js","../node_modules/lodash/isArrayLike.js","../node_modules/lodash/keys.js","../node_modules/lodash/_baseAssign.js","../node_modules/lodash/_nativeKeysIn.js","../node_modules/lodash/_baseKeysIn.js","../node_modules/lodash/keysIn.js","../node_modules/lodash/_baseAssignIn.js","../node_modules/lodash/_cloneBuffer.js","../node_modules/lodash/_copyArray.js","../node_modules/lodash/_arrayFilter.js","../node_modules/lodash/stubArray.js","../node_modules/lodash/_getSymbols.js","../node_modules/lodash/_copySymbols.js","../node_modules/lodash/_arrayPush.js","../node_modules/lodash/_getPrototype.js","../node_modules/lodash/_getSymbolsIn.js","../node_modules/lodash/_copySymbolsIn.js","../node_modules/lodash/_baseGetAllKeys.js","../node_modules/lodash/_getAllKeys.js","../node_modules/lodash/_getAllKeysIn.js","../node_modules/lodash/_DataView.js","../node_modules/lodash/_Promise.js","../node_modules/lodash/_Set.js","../node_modules/lodash/_WeakMap.js","../node_modules/lodash/_getTag.js","../node_modules/lodash/_initCloneArray.js","../node_modules/lodash/_Uint8Array.js","../node_modules/lodash/_cloneArrayBuffer.js","../node_modules/lodash/_cloneDataView.js","../node_modules/lodash/_cloneRegExp.js","../node_modules/lodash/_cloneSymbol.js","../node_modules/lodash/_cloneTypedArray.js","../node_modules/lodash/_initCloneByTag.js","../node_modules/lodash/_baseCreate.js","../node_modules/lodash/_initCloneObject.js","../node_modules/lodash/_baseIsMap.js","../node_modules/lodash/isMap.js","../node_modules/lodash/_baseIsSet.js","../node_modules/lodash/isSet.js","../node_modules/lodash/_baseClone.js","../node_modules/lodash/clone.js","../node_modules/lodash/constant.js","../node_modules/lodash/_createBaseFor.js","../node_modules/lodash/_baseFor.js","../node_modules/lodash/_baseForOwn.js","../node_modules/lodash/_createBaseEach.js","../node_modules/lodash/_baseEach.js","../node_modules/lodash/identity.js","../node_modules/lodash/_castFunction.js","../node_modules/lodash/forEach.js","../node_modules/lodash/each.js","../node_modules/lodash/_baseFilter.js","../node_modules/lodash/_setCacheAdd.js","../node_modules/lodash/_setCacheHas.js","../node_modules/lodash/_SetCache.js","../node_modules/lodash/_arraySome.js","../node_modules/lodash/_cacheHas.js","../node_modules/lodash/_equalArrays.js","../node_modules/lodash/_mapToArray.js","../node_modules/lodash/_setToArray.js","../node_modules/lodash/_equalByTag.js","../node_modules/lodash/_equalObjects.js","../node_modules/lodash/_baseIsEqualDeep.js","../node_modules/lodash/_baseIsEqual.js","../node_modules/lodash/_baseIsMatch.js","../node_modules/lodash/_isStrictComparable.js","../node_modules/lodash/_getMatchData.js","../node_modules/lodash/_matchesStrictComparable.js","../node_modules/lodash/_baseMatches.js","../node_modules/lodash/isSymbol.js","../node_modules/lodash/_isKey.js","../node_modules/lodash/memoize.js","../node_modules/lodash/_memoizeCapped.js","../node_modules/lodash/_stringToPath.js","../node_modules/lodash/_arrayMap.js","../node_modules/lodash/_baseToString.js","../node_modules/lodash/toString.js","../node_modules/lodash/_castPath.js","../node_modules/lodash/_toKey.js","../node_modules/lodash/_baseGet.js","../node_modules/lodash/get.js","../node_modules/lodash/_baseHasIn.js","../node_modules/lodash/_hasPath.js","../node_modules/lodash/hasIn.js","../node_modules/lodash/_baseMatchesProperty.js","../node_modules/lodash/_baseProperty.js","../node_modules/lodash/_basePropertyDeep.js","../node_modules/lodash/property.js","../node_modules/lodash/_baseIteratee.js","../node_modules/lodash/filter.js","../node_modules/lodash/_baseHas.js","../node_modules/lodash/has.js","../node_modules/lodash/isEmpty.js","../node_modules/lodash/isUndefined.js","../node_modules/lodash/_baseMap.js","../node_modules/lodash/map.js","../node_modules/lodash/_arrayReduce.js","../node_modules/lodash/_baseReduce.js","../node_modules/lodash/reduce.js","../node_modules/lodash/isString.js","../node_modules/lodash/_asciiSize.js","../node_modules/lodash/_hasUnicode.js","../node_modules/lodash/_unicodeSize.js","../node_modules/lodash/_stringSize.js","../node_modules/lodash/size.js","../node_modules/lodash/transform.js","../node_modules/lodash/_isFlattenable.js","../node_modules/lodash/_baseFlatten.js","../node_modules/lodash/_apply.js","../node_modules/lodash/_overRest.js","../node_modules/lodash/_baseSetToString.js","../node_modules/lodash/_shortOut.js","../node_modules/lodash/_setToString.js","../node_modules/lodash/_baseRest.js","../node_modules/lodash/_baseFindIndex.js","../node_modules/lodash/_baseIsNaN.js","../node_modules/lodash/_strictIndexOf.js","../node_modules/lodash/_baseIndexOf.js","../node_modules/lodash/_arrayIncludes.js","../node_modules/lodash/_arrayIncludesWith.js","../node_modules/lodash/noop.js","../node_modules/lodash/_createSet.js","../node_modules/lodash/_baseUniq.js","../node_modules/lodash/isArrayLikeObject.js","../node_modules/lodash/union.js","../node_modules/lodash/_baseValues.js","../node_modules/lodash/values.js","../node_modules/graphlib/lib/lodash.js","../node_modules/graphlib/lib/graph.js","../node_modules/graphlib/lib/version.js","../node_modules/graphlib/lib/index.js","../node_modules/graphlib/lib/json.js","../node_modules/graphlib/lib/alg/components.js","../node_modules/graphlib/lib/data/priority-queue.js","../node_modules/graphlib/lib/alg/dijkstra.js","../node_modules/graphlib/lib/alg/dijkstra-all.js","../node_modules/graphlib/lib/alg/tarjan.js","../node_modules/graphlib/lib/alg/find-cycles.js","../node_modules/graphlib/lib/alg/floyd-warshall.js","../node_modules/graphlib/lib/alg/topsort.js","../node_modules/graphlib/lib/alg/is-acyclic.js","../node_modules/graphlib/lib/alg/dfs.js","../node_modules/graphlib/lib/alg/postorder.js","../node_modules/graphlib/lib/alg/preorder.js","../node_modules/graphlib/lib/alg/prim.js","../node_modules/graphlib/lib/alg/index.js","../node_modules/graphlib/index.js","../node_modules/object-hash/index.js","../src/rollingcache.ts","../node_modules/colors/lib/styles.js","../node_modules/colors/lib/system/has-flag.js","../node_modules/colors/lib/system/supports-colors.js","../node_modules/colors/lib/custom/trap.js","../node_modules/colors/lib/custom/zalgo.js","../node_modules/colors/lib/maps/america.js","../node_modules/colors/lib/maps/zebra.js","../node_modules/colors/lib/maps/rainbow.js","../node_modules/colors/lib/maps/random.js","../node_modules/colors/lib/colors.js","../node_modules/colors/safe.js","../src/diagnostics-format-host.ts","../src/nocache.ts","../src/tscache.ts","../src/print-diagnostics.ts","../src/get-options-overrides.ts","../src/check-tsconfig.ts","../src/parse-tsconfig.ts","../src/tslib.ts","../node_modules/semver/internal/constants.js","../node_modules/semver/internal/debug.js","../node_modules/semver/internal/re.js","../node_modules/semver/internal/parse-options.js","../node_modules/semver/internal/identifiers.js","../node_modules/semver/classes/semver.js","../node_modules/semver/functions/parse.js","../node_modules/semver/functions/valid.js","../node_modules/semver/functions/clean.js","../node_modules/semver/functions/inc.js","../node_modu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* @license\n * Lodash \n * Copyright OpenJS Foundation and other contributors \n * Released under MIT license \n * Based on Underscore.js 1.8.3 \n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n;(function() {\n\n /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n var undefined;\n\n /** Used as the semantic version number. */\n var VERSION = '4.17.21';\n\n /** Used as the size to enable large array optimizations. */\n var LARGE_ARRAY_SIZE = 200;\n\n /** Error message constants. */\n var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n FUNC_ERROR_TEXT = 'Expected a function',\n INVALID_TEMPL_VAR_ERROR_TEXT = 'Invalid `variable` option passed into `_.template`';\n\n /** Used to stand-in for `undefined` hash values. */\n var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n /** Used as the maximum memoize cache size. */\n var MAX_MEMOIZE_SIZE = 500;\n\n /** Used as the internal argument placeholder. */\n var PLACEHOLDER = '__lodash_placeholder__';\n\n /** Used to compose bitmasks for cloning. */\n var CLONE_DEEP_FLAG = 1,\n CLONE_FLAT_FLAG = 2,\n CLONE_SYMBOLS_FLAG = 4;\n\n /** Used to compose bitmasks for value comparisons. */\n var COMPARE_PARTIAL_FLAG = 1,\n COMPARE_UNORDERED_FLAG = 2;\n\n /** Used to compose bitmasks for function metadata. */\n var WRAP_BIND_FLAG = 1,\n WRAP_BIND_KEY_FLAG = 2,\n WRAP_CURRY_BOUND_FLAG = 4,\n WRAP_CURRY_FLAG = 8,\n WRAP_CURRY_RIGHT_FLAG = 16,\n WRAP_PARTIAL_FLAG = 32,\n WRAP_PARTIAL_RIGHT_FLAG = 64,\n WRAP_ARY_FLAG = 128,\n WRAP_REARG_FLAG = 256,\n WRAP_FLIP_FLAG = 512;\n\n /** Used as default options for `_.truncate`. */\n var DEFAULT_TRUNC_LENGTH = 30,\n DEFAULT_TRUNC_OMISSION = '...';\n\n /** Used to detect hot functions by number of calls within a span of milliseconds. */\n var HOT_COUNT = 800,\n HOT_SPAN = 16;\n\n /** Used to indicate the type of lazy iteratees. */\n var LAZY_FILTER_FLAG = 1,\n LAZY_MAP_FLAG = 2,\n LAZY_WHILE_FLAG = 3;\n\n /** Used as references for various `Number` constants. */\n var INFINITY = 1 / 0,\n MAX_SAFE_INTEGER = 9007199254740991,\n MAX_INTEGER = 1.7976931348623157e+308,\n NAN = 0 / 0;\n\n /** Used as references for the maximum length and index of an array. */\n var MAX_ARRAY_LENGTH = 4294967295,\n MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\n /** Used to associate wrap methods with their bit flags. */\n var wrapFlags = [\n ['ary', WRAP_ARY_FLAG],\n ['bind', WRAP_BIND_FLAG],\n ['bindKey', WRAP_BIND_KEY_FLAG],\n ['curry', WRAP_CURRY_FLAG],\n ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n ['flip', WRAP_FLIP_FLAG],\n ['partial', WRAP_PARTIAL_FLAG],\n ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n ['rearg', WRAP_REARG_FLAG]\n ];\n\n /** `Object#toString` result references. */\n var argsTag = '[object Arguments]',\n arrayTag = '[object Array]',\n asyncTag = '[object AsyncFunction]',\n boolTag = '[object Boolean]',\n dateTag = '[object Date]',\n domExcTag = '[object DOMException]',\n errorTag = '[object Error]',\n funcTag = '[object Function]',\n genTag = '[object GeneratorFunction]',\n mapTag = '[object Map]',\n numberTag = '[object Number]',\n nullTag = '[object Null]',\n objectTag = '[object Object]',\n promiseTag = '[object Promise]',\n proxyTag = '[object Proxy]',\n regexpTag = '[object RegExp]',\n setTag = '[object Set]',\n stringTag = '[object String]',\n symbolTag = '[object Symbol]',\n undefinedTag = '[object Undefined]',\n weakMapTag = '[object WeakMap]',\n weakSetTag = '[object WeakSet]';\n\n var arrayBufferTag = '[object ArrayBuffer]',\n dataViewTag = '[object DataView]',\n float32Tag = '[object Float32Array]',\n float64Tag = '[object Float64Array]',\n int8Tag = '[object Int8Array]',\n int16Tag = '[object Int16Array]',\n int32Tag = '[object Int32Array]',\n uint8Tag = '[object Uint8Array]',\n uint8ClampedTag = '[object Uint8ClampedArray]',\n uint16Tag = '[object Uint16Array]',\n uint32Tag = '[object Uint32Array]';\n\n /** Used to match empty string literals in compiled template source. */\n var reEmptyStringLeading = /\\b__p \\+= '';/g,\n reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\n /** Used to match HTML entities and HTML characters. */\n var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n reUnescapedHtml = /[&<>\"']/g,\n reHasEscapedHtml = RegExp(reEscapedHtml.source),\n reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\n /** Used to match template delimiters. */\n var reEscape = /<%-([\\s\\S]+?)%>/g,\n reEvaluate = /<%([\\s\\S]+?)%>/g,\n reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\n /** Used to match property names within property paths. */\n var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n reIsPlainProp = /^\\w*$/,\n rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\n /**\n * Used to match `RegExp`\n * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n */\n var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n reHasRegExpChar = RegExp(reRegExpChar.source);\n\n /** Used to match leading whitespace. */\n var reTrimStart = /^\\s+/;\n\n /** Used to match a single whitespace character. */\n var reWhitespace = /\\s/;\n\n /** Used to match wrap detail comments. */\n var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n reSplitDetails = /,? & /;\n\n /** Used to match words composed of alphanumeric characters. */\n var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\n /**\n * Used to validate the `validate` option in `_.template` variable.\n *\n * Forbids characters which could potentially change the meaning of the function argument definition:\n * - \"(),\" (modification of function parameters)\n * - \"=\" (default value)\n * - \"[]{}\" (destructuring of function parameters)\n * - \"/\" (beginning of a comment)\n * - whitespace\n */\n var reForbiddenIdentifierChars = /[()=,{}\\[\\]\\/\\s]/;\n\n /** Used to match backslashes in property paths. */\n var reEscapeChar = /\\\\(\\\\)?/g;\n\n /**\n * Used to match\n * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n */\n var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\n /** Used to match `RegExp` flags from their coerced string values. */\n var reFlags = /\\w*$/;\n\n /** Used to detect bad signed hexadecimal string values. */\n var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\n /** Used to detect binary string values. */\n var reIsBinary = /^0b[01]+$/i;\n\n /** Used to detect host constructors (Safari). */\n var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n /** Used to detect octal string values. */\n var reIsOctal = /^0o[0-7]+$/i;\n\n /** Used to detect unsigned integer values. */\n var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n /** Used to match Latin Unicode letters (excluding mathematical operators). */\n var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\n /** Used to ensure capturing order of template delimiters. */\n var reNoMatch = /($^)/;\n\n /** Used to match unescaped characters in compiled string literals. */\n var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\n /** Used to compose unicode character classes. */\n var rsAstralRange = '\\\\ud800-\\\\udfff',\n rsComboMarksRange = '\\\\u0300-\\\\u036f',\n reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n rsDingbatRange = '\\\\u2700-\\\\u27bf',\n rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n rsPunctuationRange = '\\\\u2000-\\\\u206f',\n rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n rsVarRange = '\\\\ufe0e\\\\ufe0f',\n rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\n /** Used to compose unicode capture groups. */\n var rsApos = \"['\\u2019]\",\n rsAstral = '[' + rsAstralRange + ']',\n rsBreak = '[' + rsBreakRange + ']',\n rsCombo = '[' + rsComboRange + ']',\n rsDigits = '\\\\d+',\n rsDingbat = '[' + rsDingbatRange + ']',\n rsLower = '[' + rsLowerRange + ']',\n rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n rsNonAstral = '[^' + rsAstralRange + ']',\n rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n rsUpper = '[' + rsUpperRange + ']',\n rsZWJ = '\\\\u200d';\n\n /** Used to compose unicode regexes. */\n var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n reOptMod = rsModifier + '?',\n rsOptVar = '[' + rsVarRange + ']?',\n rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n rsOrdLower = '\\\\d*(?:1st|2nd|3rd|(?![123])\\\\dth)(?=\\\\b|[A-Z_])',\n rsOrdUpper = '\\\\d*(?:1ST|2ND|3RD|(?![123])\\\\dTH)(?=\\\\b|[a-z_])',\n rsSeq = rsOptVar + reOptMod + rsOptJoin,\n rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\n /** Used to match apostrophes. */\n var reApos = RegExp(rsApos, 'g');\n\n /**\n * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n */\n var reComboMark = RegExp(rsCombo, 'g');\n\n /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\n /** Used to match complex or compound words. */\n var reUnicodeWord = RegExp([\n rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n rsUpper + '+' + rsOptContrUpper,\n rsOrdUpper,\n rsOrdLower,\n rsDigits,\n rsEmoji\n ].join('|'), 'g');\n\n /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange + rsComboRange + rsVarRange + ']');\n\n /** Used to detect strings that need a more robust regexp to match words. */\n var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\n /** Used to assign default `context` object properties. */\n var contextProps = [\n 'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n 'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n 'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n 'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n ];\n\n /** Used to make template sourceURLs easier to identify. */\n var templateCounter = -1;\n\n /** Used to identify `toStringTag` values of typed arrays. */\n var typedArrayTags = {};\n typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n typedArrayTags[uint32Tag] = true;\n typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n typedArrayTags[setTag] = typedArrayTags[stringTag] =\n typedArrayTags[weakMapTag] = false;\n\n /** Used to identify `toStringTag` values supported by `_.clone`. */\n var cloneableTags = {};\n cloneableTags[argsTag] = cloneableTags[arrayTag] =\n cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n cloneableTags[boolTag] = cloneableTags[dateTag] =\n cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n cloneableTags[int32Tag] = cloneableTags[mapTag] =\n cloneableTags[numberTag] = cloneableTags[objectTag] =\n cloneableTags[regexpTag] = cloneableTags[setTag] =\n cloneableTags[stringTag] = cloneableTags[symbolTag] =\n cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n cloneableTags[errorTag] = cloneableTags[funcTag] =\n cloneableTags[weakMapTag] = false;\n\n /** Used to map Latin Unicode letters to basic Latin letters. */\n var deburredLetters = {\n // Latin-1 Supplement block.\n '\\xc0': 'A', '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n '\\xe0': 'a', '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n '\\xc7': 'C', '\\xe7': 'c',\n '\\xd0': 'D', '\\xf0': 'd',\n '\\xc8': 'E', '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n '\\xe8': 'e', '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n '\\xcc': 'I', '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n '\\xec': 'i', '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n '\\xd1': 'N', '\\xf1': 'n',\n '\\xd2': 'O', '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n '\\xf2': 'o', '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n '\\xd9': 'U', '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n '\\xf9': 'u', '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n '\\xdd': 'Y', '\\xfd': 'y', '\\xff': 'y',\n '\\xc6': 'Ae', '\\xe6': 'ae',\n '\\xde': 'Th', '\\xfe': 'th',\n '\\xdf': 'ss',\n // Latin Extended-A block.\n '\\u0100': 'A', '\\u0102': 'A', '\\u0104': 'A',\n '\\u0101': 'a', '\\u0103': 'a', '\\u0105': 'a',\n '\\u0106': 'C', '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n '\\u0107': 'c', '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n '\\u010e': 'D', '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n '\\u0112': 'E', '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n '\\u0113': 'e', '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n '\\u011c': 'G', '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n '\\u011d': 'g', '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n '\\u0124': 'H', '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n '\\u0128': 'I', '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n '\\u0129': 'i', '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n '\\u0134': 'J', '\\u0135': 'j',\n '\\u0136': 'K', '\\u0137': 'k', '\\u0138': 'k',\n '\\u0139': 'L', '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n '\\u013a': 'l', '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n '\\u0143': 'N', '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n '\\u0144': 'n', '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n '\\u014c': 'O', '\\u014e': 'O', '\\u0150': 'O',\n '\\u014d': 'o', '\\u014f': 'o', '\\u0151': 'o',\n '\\u0154': 'R', '\\u0156': 'R', '\\u0158': 'R',\n '\\u0155': 'r', '\\u0157': 'r', '\\u0159': 'r',\n '\\u015a': 'S', '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n '\\u015b': 's', '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n '\\u0162': 'T', '\\u0164': 'T', '\\u0166': 'T',\n '\\u0163': 't', '\\u0165': 't', '\\u0167': 't',\n '\\u0168': 'U', '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n '\\u0169': 'u', '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n '\\u0174': 'W', '\\u0175': 'w',\n '\\u0176': 'Y', '\\u0177': 'y', '\\u0178': 'Y',\n '\\u0179': 'Z', '\\u017b': 'Z', '\\u017d': 'Z',\n '\\u017a': 'z', '\\u017c': 'z', '\\u017e': 'z',\n '\\u0132': 'IJ', '\\u0133': 'ij',\n '\\u0152': 'Oe', '\\u0153': 'oe',\n '\\u0149': \"'n\", '\\u017f': 's'\n };\n\n /** Used to map characters to HTML entities. */\n var htmlEscapes = {\n '&': '&',\n '<': '<',\n '>': '>',\n '\"': '"',\n \"'\": '''\n };\n\n /** Used to map HTML entities to characters. */\n var htmlUnescapes = {\n '&': '&',\n '<': '<',\n '>': '>',\n '"': '\"',\n ''': \"'\"\n };\n\n /** Used to escape characters for inclusion in compiled string literals. */\n var stringEscapes = {\n '\\\\': '\\\\',\n \"'\": \"'\",\n '\\n': 'n',\n '\\r': 'r',\n '\\u2028': 'u2028',\n '\\u2029': 'u2029'\n };\n\n /** Built-in method references without a dependency on `root`. */\n var freeParseFloat = parseFloat,\n freeParseInt = parseInt;\n\n /** Detect free variable `global` from Node.js. */\n var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\n /** Detect free variable `self`. */\n var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n /** Used as a reference to the global object. */\n var root = freeGlobal || freeSelf || Function('return this')();\n\n /** Detect free variable `exports`. */\n var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n /** Detect free variable `module`. */\n var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n /** Detect the popular CommonJS extension `module.exports`. */\n var moduleExports = freeModule && freeModule.exports === freeExports;\n\n /** Detect free variable `process` from Node.js. */\n var freeProcess = moduleExports && freeGlobal.process;\n\n /** Used to access faster Node.js helpers. */\n var nodeUtil = (function() {\n try {\n // Use `util.types` for Node.js 10+.\n var types = freeModule && freeModule.require && freeModule.require('util').types;\n\n if (types) {\n return types;\n }\n\n // Legacy `process.binding('util')` for Node.js < 10.\n return freeProcess && freeProcess.binding && freeProcess.binding('util');\n } catch (e) {}\n }());\n\n /* Node.js helper references. */\n var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n nodeIsDate = nodeUtil && nodeUtil.isDate,\n nodeIsMap = nodeUtil && nodeUtil.isMap,\n nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n nodeIsSet = nodeUtil && nodeUtil.isSet,\n nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\n /*--------------------------------------------------------------------------*/\n\n /**\n * A faster alternative to `Function#apply`, this function invokes `func`\n * with the `this` binding of `thisArg` and the arguments of `args`.\n *\n * @private\n * @param {Function} func The function to invoke.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {Array} args The arguments to invoke `func` with.\n * @returns {*} Returns the result of `func`.\n */\n function apply(func, thisArg, args) {\n switch (args.length) {\n case 0: return func.call(thisArg);\n case 1: return func.call(thisArg, args[0]);\n case 2: return func.call(thisArg, args[0], args[1]);\n case 3: return func.call(thisArg, args[0], args[1], args[2]);\n }\n return func.apply(thisArg, args);\n }\n\n /**\n * A specialized version of `baseAggregator` for arrays.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} setter The function to set `accumulator` values.\n * @param {Function} iteratee The iteratee to transform keys.\n * @param {Object} accumulator The initial aggregated object.\n * @returns {Function} Returns `accumulator`.\n */\n function arrayAggregator(array, setter, iteratee, accumulator) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n var value = array[index];\n setter(accumulator, value, iteratee(value), array);\n }\n return accumulator;\n }\n\n /**\n * A specialized version of `_.forEach` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns `array`.\n */\n function arrayEach(array, iteratee) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (iteratee(array[index], index, array) === false) {\n break;\n }\n }\n return array;\n }\n\n /**\n * A specialized version of `_.forEachRight` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns `array`.\n */\n function arrayEachRight(array, iteratee) {\n var length = array == null ? 0 : array.length;\n\n while (length--) {\n if (iteratee(array[length], length, array) === false) {\n break;\n }\n }\n return array;\n }\n\n /**\n * A specialized version of `_.every` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`.\n */\n function arrayEvery(array, predicate) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (!predicate(array[index], index, array)) {\n return false;\n }\n }\n return true;\n }\n\n /**\n * A specialized version of `_.filter` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n */\n function arrayFilter(array, predicate) {\n var index = -1,\n length = array == null ? 0 : array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index];\n if (predicate(value, index, array)) {\n result[resIndex++] = value;\n }\n }\n return result;\n }\n\n /**\n * A specialized version of `_.includes` for arrays without support for\n * specifying an index to search from.\n *\n * @private\n * @param {Array} [array] The array to inspect.\n * @param {*} target The value to search for.\n * @returns {boolean} Returns `true` if `target` is found, else `false`.\n */\n function arrayIncludes(array, value) {\n var length = array == null ? 0 : array.length;\n return !!length && baseIndexOf(array, value, 0) > -1;\n }\n\n /**\n * This function is like `arrayIncludes` except that it accepts a comparator.\n *\n * @private\n * @param {Array} [array] The array to inspect.\n * @param {*} target The value to search for.\n * @param {Function} comparator The comparator invoked per element.\n * @returns {boolean} Returns `true` if `target` is found, else `false`.\n */\n function arrayIncludesWith(array, value, comparator) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (comparator(value, array[index])) {\n return true;\n }\n }\n return false;\n }\n\n /**\n * A specialized version of `_.map` for arrays without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n */\n function arrayMap(array, iteratee) {\n var index = -1,\n length = array == null ? 0 : array.length,\n result = Array(length);\n\n while (++index < length) {\n result[index] = iteratee(array[index], index, array);\n }\n return result;\n }\n\n /**\n * Appends the elements of `values` to `array`.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {Array} values The values to append.\n * @returns {Array} Returns `array`.\n */\n function arrayPush(array, values) {\n var index = -1,\n length = values.length,\n offset = array.length;\n\n while (++index < length) {\n array[offset + index] = values[index];\n }\n return array;\n }\n\n /**\n * A specialized version of `_.reduce` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @param {boolean} [initAccum] Specify using the first element of `array` as\n * the initial value.\n * @returns {*} Returns the accumulated value.\n */\n function arrayReduce(array, iteratee, accumulator, initAccum) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n if (initAccum && length) {\n accumulator = array[++index];\n }\n while (++index < length) {\n accumulator = iteratee(accumulator, array[index], index, array);\n }\n return accumulator;\n }\n\n /**\n * A specialized version of `_.reduceRight` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @param {boolean} [initAccum] Specify using the last element of `array` as\n * the initial value.\n * @returns {*} Returns the accumulated value.\n */\n function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n var length = array == null ? 0 : array.length;\n if (initAccum && length) {\n accumulator = array[--length];\n }\n while (length--) {\n accumulator = iteratee(accumulator, array[length], length, array);\n }\n return accumulator;\n }\n\n /**\n * A specialized version of `_.some` for arrays without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n */\n function arraySome(array, predicate) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (predicate(array[index], index, array)) {\n return true;\n }\n }\n return false;\n }\n\n /**\n * Gets the size of an ASCII `string`.\n *\n * @private\n * @param {string} string The string inspect.\n * @returns {number} Returns the string size.\n */\n var asciiSize = baseProperty('length');\n\n /**\n * Converts an ASCII `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\n function asciiToArray(string) {\n return string.split('');\n }\n\n /**\n * Splits an ASCII `string` into an array of its words.\n *\n * @private\n * @param {string} The string to inspect.\n * @returns {Array} Returns the words of `string`.\n */\n function asciiWords(string) {\n return string.match(reAsciiWord) || [];\n }\n\n /**\n * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n * without support for iteratee shorthands, which iterates over `collection`\n * using `eachFunc`.\n *\n * @private\n * @param {Array|Object} collection The collection to inspect.\n * @param {Function} predicate The function invoked per iteration.\n * @param {Function} eachFunc The function to iterate over `collection`.\n * @returns {*} Returns the found element or its key, else `undefined`.\n */\n function baseFindKey(collection, predicate, eachFunc) {\n var result;\n eachFunc(collection, function(value, key, collection) {\n if (predicate(value, key, collection)) {\n result = key;\n return false;\n }\n });\n return result;\n }\n\n /**\n * The base implementation of `_.findIndex` and `_.findLastIndex` without\n * support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} predicate The function invoked per iteration.\n * @param {number} fromIndex The index to search from.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function baseFindIndex(array, predicate, fromIndex, fromRight) {\n var length = array.length,\n index = fromIndex + (fromRight ? 1 : -1);\n\n while ((fromRight ? index-- : ++index < length)) {\n if (predicate(array[index], index, array)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function baseIndexOf(array, value, fromIndex) {\n return value === value\n ? strictIndexOf(array, value, fromIndex)\n : baseFindIndex(array, baseIsNaN, fromIndex);\n }\n\n /**\n * This function is like `baseIndexOf` except that it accepts a comparator.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @param {Function} comparator The comparator invoked per element.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function baseIndexOfWith(array, value, fromIndex, comparator) {\n var index = fromIndex - 1,\n length = array.length;\n\n while (++index < length) {\n if (comparator(array[index], value)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * The base implementation of `_.isNaN` without support for number objects.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n */\n function baseIsNaN(value) {\n return value !== value;\n }\n\n /**\n * The base implementation of `_.mean` and `_.meanBy` without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {number} Returns the mean.\n */\n function baseMean(array, iteratee) {\n var length = array == null ? 0 : array.length;\n return length ? (baseSum(array, iteratee) / length) : NAN;\n }\n\n /**\n * The base implementation of `_.property` without support for deep paths.\n *\n * @private\n * @param {string} key The key of the property to get.\n * @returns {Function} Returns the new accessor function.\n */\n function baseProperty(key) {\n return function(object) {\n return object == null ? undefined : object[key];\n };\n }\n\n /**\n * The base implementation of `_.propertyOf` without support for deep paths.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Function} Returns the new accessor function.\n */\n function basePropertyOf(object) {\n return function(key) {\n return object == null ? undefined : object[key];\n };\n }\n\n /**\n * The base implementation of `_.reduce` and `_.reduceRight`, without support\n * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {*} accumulator The initial value.\n * @param {boolean} initAccum Specify using the first or last element of\n * `collection` as the initial value.\n * @param {Function} eachFunc The function to iterate over `collection`.\n * @returns {*} Returns the accumulated value.\n */\n function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n eachFunc(collection, function(value, index, collection) {\n accumulator = initAccum\n ? (initAccum = false, value)\n : iteratee(accumulator, value, index, collection);\n });\n return accumulator;\n }\n\n /**\n * The base implementation of `_.sortBy` which uses `comparer` to define the\n * sort order of `array` and replaces criteria objects with their corresponding\n * values.\n *\n * @private\n * @param {Array} array The array to sort.\n * @param {Function} comparer The function to define sort order.\n * @returns {Array} Returns `array`.\n */\n function baseSortBy(array, comparer) {\n var length = array.length;\n\n array.sort(comparer);\n while (length--) {\n array[length] = array[length].value;\n }\n return array;\n }\n\n /**\n * The base implementation of `_.sum` and `_.sumBy` without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {number} Returns the sum.\n */\n function baseSum(array, iteratee) {\n var result,\n index = -1,\n length = array.length;\n\n while (++index < length) {\n var current = iteratee(array[index]);\n if (current !== undefined) {\n result = result === undefined ? current : (result + current);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.times` without support for iteratee shorthands\n * or max array length checks.\n *\n * @private\n * @param {number} n The number of times to invoke `iteratee`.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the array of results.\n */\n function baseTimes(n, iteratee) {\n var index = -1,\n result = Array(n);\n\n while (++index < n) {\n result[index] = iteratee(index);\n }\n return result;\n }\n\n /**\n * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n * of key-value pairs for `object` corresponding to the property names of `props`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} props The property names to get values for.\n * @returns {Object} Returns the key-value pairs.\n */\n function baseToPairs(object, props) {\n return arrayMap(props, function(key) {\n return [key, object[key]];\n });\n }\n\n /**\n * The base implementation of `_.trim`.\n *\n * @private\n * @param {string} string The string to trim.\n * @returns {string} Returns the trimmed string.\n */\n function baseTrim(string) {\n return string\n ? string.slice(0, trimmedEndIndex(string) + 1).replace(reTrimStart, '')\n : string;\n }\n\n /**\n * The base implementation of `_.unary` without support for storing metadata.\n *\n * @private\n * @param {Function} func The function to cap arguments for.\n * @returns {Function} Returns the new capped function.\n */\n function baseUnary(func) {\n return function(value) {\n return func(value);\n };\n }\n\n /**\n * The base implementation of `_.values` and `_.valuesIn` which creates an\n * array of `object` property values corresponding to the property names\n * of `props`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} props The property names to get values for.\n * @returns {Object} Returns the array of property values.\n */\n function baseValues(object, props) {\n return arrayMap(props, function(key) {\n return object[key];\n });\n }\n\n /**\n * Checks if a `cache` value for `key` exists.\n *\n * @private\n * @param {Object} cache The cache to query.\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function cacheHas(cache, key) {\n return cache.has(key);\n }\n\n /**\n * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n * that is not found in the character symbols.\n *\n * @private\n * @param {Array} strSymbols The string symbols to inspect.\n * @param {Array} chrSymbols The character symbols to find.\n * @returns {number} Returns the index of the first unmatched string symbol.\n */\n function charsStartIndex(strSymbols, chrSymbols) {\n var index = -1,\n length = strSymbols.length;\n\n while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n return index;\n }\n\n /**\n * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n * that is not found in the character symbols.\n *\n * @private\n * @param {Array} strSymbols The string symbols to inspect.\n * @param {Array} chrSymbols The character symbols to find.\n * @returns {number} Returns the index of the last unmatched string symbol.\n */\n function charsEndIndex(strSymbols, chrSymbols) {\n var index = strSymbols.length;\n\n while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n return index;\n }\n\n /**\n * Gets the number of `placeholder` occurrences in `array`.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} placeholder The placeholder to search for.\n * @returns {number} Returns the placeholder count.\n */\n function countHolders(array, placeholder) {\n var length = array.length,\n result = 0;\n\n while (length--) {\n if (array[length] === placeholder) {\n ++result;\n }\n }\n return result;\n }\n\n /**\n * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n * letters to basic Latin letters.\n *\n * @private\n * @param {string} letter The matched letter to deburr.\n * @returns {string} Returns the deburred letter.\n */\n var deburrLetter = basePropertyOf(deburredLetters);\n\n /**\n * Used by `_.escape` to convert characters to HTML entities.\n *\n * @private\n * @param {string} chr The matched character to escape.\n * @returns {string} Returns the escaped character.\n */\n var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\n /**\n * Used by `_.template` to escape characters for inclusion in compiled string literals.\n *\n * @private\n * @param {string} chr The matched character to escape.\n * @returns {string} Returns the escaped character.\n */\n function escapeStringChar(chr) {\n return '\\\\' + stringEscapes[chr];\n }\n\n /**\n * Gets the value at `key` of `object`.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\n function getValue(object, key) {\n return object == null ? undefined : object[key];\n }\n\n /**\n * Checks if `string` contains Unicode symbols.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n */\n function hasUnicode(string) {\n return reHasUnicode.test(string);\n }\n\n /**\n * Checks if `string` contains a word composed of Unicode symbols.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {boolean} Returns `true` if a word is found, else `false`.\n */\n function hasUnicodeWord(string) {\n return reHasUnicodeWord.test(string);\n }\n\n /**\n * Converts `iterator` to an array.\n *\n * @private\n * @param {Object} iterator The iterator to convert.\n * @returns {Array} Returns the converted array.\n */\n function iteratorToArray(iterator) {\n var data,\n result = [];\n\n while (!(data = iterator.next()).done) {\n result.push(data.value);\n }\n return result;\n }\n\n /**\n * Converts `map` to its key-value pairs.\n *\n * @private\n * @param {Object} map The map to convert.\n * @returns {Array} Returns the key-value pairs.\n */\n function mapToArray(map) {\n var index = -1,\n result = Array(map.size);\n\n map.forEach(function(value, key) {\n result[++index] = [key, value];\n });\n return result;\n }\n\n /**\n * Creates a unary function that invokes `func` with its argument transformed.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {Function} transform The argument transform.\n * @returns {Function} Returns the new function.\n */\n function overArg(func, transform) {\n return function(arg) {\n return func(transform(arg));\n };\n }\n\n /**\n * Replaces all `placeholder` elements in `array` with an internal placeholder\n * and returns an array of their indexes.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {*} placeholder The placeholder to replace.\n * @returns {Array} Returns the new array of placeholder indexes.\n */\n function replaceHolders(array, placeholder) {\n var index = -1,\n length = array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index];\n if (value === placeholder || value === PLACEHOLDER) {\n array[index] = PLACEHOLDER;\n result[resIndex++] = index;\n }\n }\n return result;\n }\n\n /**\n * Converts `set` to an array of its values.\n *\n * @private\n * @param {Object} set The set to convert.\n * @returns {Array} Returns the values.\n */\n function setToArray(set) {\n var index = -1,\n result = Array(set.size);\n\n set.forEach(function(value) {\n result[++index] = value;\n });\n return result;\n }\n\n /**\n * Converts `set` to its value-value pairs.\n *\n * @private\n * @param {Object} set The set to convert.\n * @returns {Array} Returns the value-value pairs.\n */\n function setToPairs(set) {\n var index = -1,\n result = Array(set.size);\n\n set.forEach(function(value) {\n result[++index] = [value, value];\n });\n return result;\n }\n\n /**\n * A specialized version of `_.indexOf` which performs strict equality\n * comparisons of values, i.e. `===`.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function strictIndexOf(array, value, fromIndex) {\n var index = fromIndex - 1,\n length = array.length;\n\n while (++index < length) {\n if (array[index] === value) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * A specialized version of `_.lastIndexOf` which performs strict equality\n * comparisons of values, i.e. `===`.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function strictLastIndexOf(array, value, fromIndex) {\n var index = fromIndex + 1;\n while (index--) {\n if (array[index] === value) {\n return index;\n }\n }\n return index;\n }\n\n /**\n * Gets the number of symbols in `string`.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {number} Returns the string size.\n */\n function stringSize(string) {\n return hasUnicode(string)\n ? unicodeSize(string)\n : asciiSize(string);\n }\n\n /**\n * Converts `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\n function stringToArray(string) {\n return hasUnicode(string)\n ? unicodeToArray(string)\n : asciiToArray(string);\n }\n\n /**\n * Used by `_.trim` and `_.trimEnd` to get the index of the last non-whitespace\n * character of `string`.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {number} Returns the index of the last non-whitespace character.\n */\n function trimmedEndIndex(string) {\n var index = string.length;\n\n while (index-- && reWhitespace.test(string.charAt(index))) {}\n return index;\n }\n\n /**\n * Used by `_.unescape` to convert HTML entities to characters.\n *\n * @private\n * @param {string} chr The matched character to unescape.\n * @returns {string} Returns the unescaped character.\n */\n var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\n /**\n * Gets the size of a Unicode `string`.\n *\n * @private\n * @param {string} string The string inspect.\n * @returns {number} Returns the string size.\n */\n function unicodeSize(string) {\n var result = reUnicode.lastIndex = 0;\n while (reUnicode.test(string)) {\n ++result;\n }\n return result;\n }\n\n /**\n * Converts a Unicode `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\n function unicodeToArray(string) {\n return string.match(reUnicode) || [];\n }\n\n /**\n * Splits a Unicode `string` into an array of its words.\n *\n * @private\n * @param {string} The string to inspect.\n * @returns {Array} Returns the words of `string`.\n */\n function unicodeWords(string) {\n return string.match(reUnicodeWord) || [];\n }\n\n /*--------------------------------------------------------------------------*/\n\n /**\n * Create a new pristine `lodash` function using the `context` object.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category Util\n * @param {Object} [context=root] The context object.\n * @returns {Function} Returns a new `lodash` function.\n * @example\n *\n * _.mixin({ 'foo': _.constant('foo') });\n *\n * var lodash = _.runInContext();\n * lodash.mixin({ 'bar': lodash.constant('bar') });\n *\n * _.isFunction(_.foo);\n * // => true\n * _.isFunction(_.bar);\n * // => false\n *\n * lodash.isFunction(lodash.foo);\n * // => false\n * lodash.isFunction(lodash.bar);\n * // => true\n *\n * // Create a suped-up `defer` in Node.js.\n * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n */\n var runInContext = (function runInContext(context) {\n context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\n /** Built-in constructor references. */\n var Array = context.Array,\n Date = context.Date,\n Error = context.Error,\n Function = context.Function,\n Math = context.Math,\n Object = context.Object,\n RegExp = context.RegExp,\n String = context.String,\n TypeError = context.TypeError;\n\n /** Used for built-in method references. */\n var arrayProto = Array.prototype,\n funcProto = Function.prototype,\n objectProto = Object.prototype;\n\n /** Used to detect overreaching core-js shims. */\n var coreJsData = context['__core-js_shared__'];\n\n /** Used to resolve the decompiled source of functions. */\n var funcToString = funcProto.toString;\n\n /** Used to check objects for own properties. */\n var hasOwnProperty = objectProto.hasOwnProperty;\n\n /** Used to generate unique IDs. */\n var idCounter = 0;\n\n /** Used to detect methods masquerading as native. */\n var maskSrcKey = (function() {\n var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n return uid ? ('Symbol(src)_1.' + uid) : '';\n }());\n\n /**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\n var nativeObjectToString = objectProto.toString;\n\n /** Used to infer the `Object` constructor. */\n var objectCtorString = funcToString.call(Object);\n\n /** Used to restore the original `_` reference in `_.noConflict`. */\n var oldDash = root._;\n\n /** Used to detect if a method is native. */\n var reIsNative = RegExp('^' +\n funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n );\n\n /** Built-in value references. */\n var Buffer = moduleExports ? context.Buffer : undefined,\n Symbol = context.Symbol,\n Uint8Array = context.Uint8Array,\n allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n getPrototype = overArg(Object.getPrototypeOf, Object),\n objectCreate = Object.create,\n propertyIsEnumerable = objectProto.propertyIsEnumerable,\n splice = arrayProto.splice,\n spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n symIterator = Symbol ? Symbol.iterator : undefined,\n symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n var defineProperty = (function() {\n try {\n var func = getNative(Object, 'defineProperty');\n func({}, '', {});\n return func;\n } catch (e) {}\n }());\n\n /** Mocked built-ins. */\n var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n ctxNow = Date && Date.now !== root.Date.now && Date.now,\n ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\n /* Built-in method references for those with the same name as other `lodash` methods. */\n var nativeCeil = Math.ceil,\n nativeFloor = Math.floor,\n nativeGetSymbols = Object.getOwnPropertySymbols,\n nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n nativeIsFinite = context.isFinite,\n nativeJoin = arrayProto.join,\n nativeKeys = overArg(Object.keys, Object),\n nativeMax = Math.max,\n nativeMin = Math.min,\n nativeNow = Date.now,\n nativeParseInt = context.parseInt,\n nativeRandom = Math.random,\n nativeReverse = arrayProto.reverse;\n\n /* Built-in method references that are verified to be native. */\n var DataView = getNative(context, 'DataView'),\n Map = getNative(context, 'Map'),\n Promise = getNative(context, 'Promise'),\n Set = getNative(context, 'Set'),\n WeakMap = getNative(context, 'WeakMap'),\n nativeCreate = getNative(Object, 'create');\n\n /** Used to store function metadata. */\n var metaMap = WeakMap && new WeakMap;\n\n /** Used to lookup unminified function names. */\n var realNames = {};\n\n /** Used to detect maps, sets, and weakmaps. */\n var dataViewCtorString = toSource(DataView),\n mapCtorString = toSource(Map),\n promiseCtorString = toSource(Promise),\n setCtorString = toSource(Set),\n weakMapCtorString = toSource(WeakMap);\n\n /** Used to convert symbols to primitives and strings. */\n var symbolProto = Symbol ? Symbol.prototype : undefined,\n symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n symbolToString = symbolProto ? symbolProto.toString : undefined;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a `lodash` object which wraps `value` to enable implicit method\n * chain sequences. Methods that operate on and return arrays, collections,\n * and functions can be chained together. Methods that retrieve a single value\n * or may return a primitive value will automatically end the chain sequence\n * and return the unwrapped value. Otherwise, the value must be unwrapped\n * with `_#value`.\n *\n * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n * enabled using `_.chain`.\n *\n * The execution of chained methods is lazy, that is, it's deferred until\n * `_#value` is implicitly or explicitly called.\n *\n * Lazy evaluation allows several methods to support shortcut fusion.\n * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n * the creation of intermediate arrays and can greatly reduce the number of\n * iteratee executions. Sections of a chain sequence qualify for shortcut\n * fusion if the section is applied to an array and iteratees accept only\n * one argument. The heuristic for whether a section qualifies for shortcut\n * fusion is subject to change.\n *\n * Chaining is supported in custom builds as long as the `_#value` method is\n * directly or indirectly included in the build.\n *\n * In addition to lodash methods, wrappers have `Array` and `String` methods.\n *\n * The wrapper `Array` methods are:\n * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n *\n * The wrapper `String` methods are:\n * `replace` and `split`\n *\n * The wrapper methods that support shortcut fusion are:\n * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n *\n * The chainable wrapper methods are:\n * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n * `zipObject`, `zipObjectDeep`, and `zipWith`\n *\n * The wrapper methods that are **not** chainable by default are:\n * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n * `upperFirst`, `value`, and `words`\n *\n * @name _\n * @constructor\n * @category Seq\n * @param {*} value The value to wrap in a `lodash` instance.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * var wrapped = _([1, 2, 3]);\n *\n * // Returns an unwrapped value.\n * wrapped.reduce(_.add);\n * // => 6\n *\n * // Returns a wrapped value.\n * var squares = wrapped.map(square);\n *\n * _.isArray(squares);\n * // => false\n *\n * _.isArray(squares.value());\n * // => true\n */\n function lodash(value) {\n if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n if (value instanceof LodashWrapper) {\n return value;\n }\n if (hasOwnProperty.call(value, '__wrapped__')) {\n return wrapperClone(value);\n }\n }\n return new LodashWrapper(value);\n }\n\n /**\n * The base implementation of `_.create` without support for assigning\n * properties to the created object.\n *\n * @private\n * @param {Object} proto The object to inherit from.\n * @returns {Object} Returns the new object.\n */\n var baseCreate = (function() {\n function object() {}\n return function(proto) {\n if (!isObject(proto)) {\n return {};\n }\n if (objectCreate) {\n return objectCreate(proto);\n }\n object.prototype = proto;\n var result = new object;\n object.prototype = undefined;\n return result;\n };\n }());\n\n /**\n * The function whose prototype chain sequence wrappers inherit from.\n *\n * @private\n */\n function baseLodash() {\n // No operation performed.\n }\n\n /**\n * The base constructor for creating `lodash` wrapper objects.\n *\n * @private\n * @param {*} value The value to wrap.\n * @param {boolean} [chainAll] Enable explicit method chain sequences.\n */\n function LodashWrapper(value, chainAll) {\n this.__wrapped__ = value;\n this.__actions__ = [];\n this.__chain__ = !!chainAll;\n this.__index__ = 0;\n this.__values__ = undefined;\n }\n\n /**\n * By default, the template delimiters used by lodash are like those in\n * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n * following template settings to use alternative delimiters.\n *\n * @static\n * @memberOf _\n * @type {Object}\n */\n lodash.templateSettings = {\n\n /**\n * Used to detect `data` property values to be HTML-escaped.\n *\n * @memberOf _.templateSettings\n * @type {RegExp}\n */\n 'escape': reEscape,\n\n /**\n * Used to detect code to be evaluated.\n *\n * @memberOf _.templateSettings\n * @type {RegExp}\n */\n 'evaluate': reEvaluate,\n\n /**\n * Used to detect `data` property values to inject.\n *\n * @memberOf _.templateSettings\n * @type {RegExp}\n */\n 'interpolate': reInterpolate,\n\n /**\n * Used to reference the data object in the template text.\n *\n * @memberOf _.templateSettings\n * @type {string}\n */\n 'variable': '',\n\n /**\n * Used to import variables into the compiled template.\n *\n * @memberOf _.templateSettings\n * @type {Object}\n */\n 'imports': {\n\n /**\n * A reference to the `lodash` function.\n *\n * @memberOf _.templateSettings.imports\n * @type {Function}\n */\n '_': lodash\n }\n };\n\n // Ensure wrappers are instances of `baseLodash`.\n lodash.prototype = baseLodash.prototype;\n lodash.prototype.constructor = lodash;\n\n LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n LodashWrapper.prototype.constructor = LodashWrapper;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n *\n * @private\n * @constructor\n * @param {*} value The value to wrap.\n */\n function LazyWrapper(value) {\n this.__wrapped__ = value;\n this.__actions__ = [];\n this.__dir__ = 1;\n this.__filtered__ = false;\n this.__iteratees__ = [];\n this.__takeCount__ = MAX_ARRAY_LENGTH;\n this.__views__ = [];\n }\n\n /**\n * Creates a clone of the lazy wrapper object.\n *\n * @private\n * @name clone\n * @memberOf LazyWrapper\n * @returns {Object} Returns the cloned `LazyWrapper` object.\n */\n function lazyClone() {\n var result = new LazyWrapper(this.__wrapped__);\n result.__actions__ = copyArray(this.__actions__);\n result.__dir__ = this.__dir__;\n result.__filtered__ = this.__filtered__;\n result.__iteratees__ = copyArray(this.__iteratees__);\n result.__takeCount__ = this.__takeCount__;\n result.__views__ = copyArray(this.__views__);\n return result;\n }\n\n /**\n * Reverses the direction of lazy iteration.\n *\n * @private\n * @name reverse\n * @memberOf LazyWrapper\n * @returns {Object} Returns the new reversed `LazyWrapper` object.\n */\n function lazyReverse() {\n if (this.__filtered__) {\n var result = new LazyWrapper(this);\n result.__dir__ = -1;\n result.__filtered__ = true;\n } else {\n result = this.clone();\n result.__dir__ *= -1;\n }\n return result;\n }\n\n /**\n * Extracts the unwrapped value from its lazy wrapper.\n *\n * @private\n * @name value\n * @memberOf LazyWrapper\n * @returns {*} Returns the unwrapped value.\n */\n function lazyValue() {\n var array = this.__wrapped__.value(),\n dir = this.__dir__,\n isArr = isArray(array),\n isRight = dir < 0,\n arrLength = isArr ? array.length : 0,\n view = getView(0, arrLength, this.__views__),\n start = view.start,\n end = view.end,\n length = end - start,\n index = isRight ? end : (start - 1),\n iteratees = this.__iteratees__,\n iterLength = iteratees.length,\n resIndex = 0,\n takeCount = nativeMin(length, this.__takeCount__);\n\n if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n return baseWrapperValue(array, this.__actions__);\n }\n var result = [];\n\n outer:\n while (length-- && resIndex < takeCount) {\n index += dir;\n\n var iterIndex = -1,\n value = array[index];\n\n while (++iterIndex < iterLength) {\n var data = iteratees[iterIndex],\n iteratee = data.iteratee,\n type = data.type,\n computed = iteratee(value);\n\n if (type == LAZY_MAP_FLAG) {\n value = computed;\n } else if (!computed) {\n if (type == LAZY_FILTER_FLAG) {\n continue outer;\n } else {\n break outer;\n }\n }\n }\n result[resIndex++] = value;\n }\n return result;\n }\n\n // Ensure `LazyWrapper` is an instance of `baseLodash`.\n LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n LazyWrapper.prototype.constructor = LazyWrapper;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a hash object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function Hash(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n }\n\n /**\n * Removes all key-value entries from the hash.\n *\n * @private\n * @name clear\n * @memberOf Hash\n */\n function hashClear() {\n this.__data__ = nativeCreate ? nativeCreate(null) : {};\n this.size = 0;\n }\n\n /**\n * Removes `key` and its value from the hash.\n *\n * @private\n * @name delete\n * @memberOf Hash\n * @param {Object} hash The hash to modify.\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function hashDelete(key) {\n var result = this.has(key) && delete this.__data__[key];\n this.size -= result ? 1 : 0;\n return result;\n }\n\n /**\n * Gets the hash value for `key`.\n *\n * @private\n * @name get\n * @memberOf Hash\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function hashGet(key) {\n var data = this.__data__;\n if (nativeCreate) {\n var result = data[key];\n return result === HASH_UNDEFINED ? undefined : result;\n }\n return hasOwnProperty.call(data, key) ? data[key] : undefined;\n }\n\n /**\n * Checks if a hash value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Hash\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function hashHas(key) {\n var data = this.__data__;\n return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n }\n\n /**\n * Sets the hash `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Hash\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the hash instance.\n */\n function hashSet(key, value) {\n var data = this.__data__;\n this.size += this.has(key) ? 0 : 1;\n data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n return this;\n }\n\n // Add methods to `Hash`.\n Hash.prototype.clear = hashClear;\n Hash.prototype['delete'] = hashDelete;\n Hash.prototype.get = hashGet;\n Hash.prototype.has = hashHas;\n Hash.prototype.set = hashSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an list cache object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function ListCache(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n }\n\n /**\n * Removes all key-value entries from the list cache.\n *\n * @private\n * @name clear\n * @memberOf ListCache\n */\n function listCacheClear() {\n this.__data__ = [];\n this.size = 0;\n }\n\n /**\n * Removes `key` and its value from the list cache.\n *\n * @private\n * @name delete\n * @memberOf ListCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function listCacheDelete(key) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n if (index < 0) {\n return false;\n }\n var lastIndex = data.length - 1;\n if (index == lastIndex) {\n data.pop();\n } else {\n splice.call(data, index, 1);\n }\n --this.size;\n return true;\n }\n\n /**\n * Gets the list cache value for `key`.\n *\n * @private\n * @name get\n * @memberOf ListCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function listCacheGet(key) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n return index < 0 ? undefined : data[index][1];\n }\n\n /**\n * Checks if a list cache value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf ListCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function listCacheHas(key) {\n return assocIndexOf(this.__data__, key) > -1;\n }\n\n /**\n * Sets the list cache `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf ListCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the list cache instance.\n */\n function listCacheSet(key, value) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n if (index < 0) {\n ++this.size;\n data.push([key, value]);\n } else {\n data[index][1] = value;\n }\n return this;\n }\n\n // Add methods to `ListCache`.\n ListCache.prototype.clear = listCacheClear;\n ListCache.prototype['delete'] = listCacheDelete;\n ListCache.prototype.get = listCacheGet;\n ListCache.prototype.has = listCacheHas;\n ListCache.prototype.set = listCacheSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a map cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function MapCache(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n }\n\n /**\n * Removes all key-value entries from the map.\n *\n * @private\n * @name clear\n * @memberOf MapCache\n */\n function mapCacheClear() {\n this.size = 0;\n this.__data__ = {\n 'hash': new Hash,\n 'map': new (Map || ListCache),\n 'string': new Hash\n };\n }\n\n /**\n * Removes `key` and its value from the map.\n *\n * @private\n * @name delete\n * @memberOf MapCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function mapCacheDelete(key) {\n var result = getMapData(this, key)['delete'](key);\n this.size -= result ? 1 : 0;\n return result;\n }\n\n /**\n * Gets the map value for `key`.\n *\n * @private\n * @name get\n * @memberOf MapCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function mapCacheGet(key) {\n return getMapData(this, key).get(key);\n }\n\n /**\n * Checks if a map value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf MapCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function mapCacheHas(key) {\n return getMapData(this, key).has(key);\n }\n\n /**\n * Sets the map `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf MapCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the map cache instance.\n */\n function mapCacheSet(key, value) {\n var data = getMapData(this, key),\n size = data.size;\n\n data.set(key, value);\n this.size += data.size == size ? 0 : 1;\n return this;\n }\n\n // Add methods to `MapCache`.\n MapCache.prototype.clear = mapCacheClear;\n MapCache.prototype['delete'] = mapCacheDelete;\n MapCache.prototype.get = mapCacheGet;\n MapCache.prototype.has = mapCacheHas;\n MapCache.prototype.set = mapCacheSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n *\n * Creates an array cache object to store unique values.\n *\n * @private\n * @constructor\n * @param {Array} [values] The values to cache.\n */\n function SetCache(values) {\n var index = -1,\n length = values == null ? 0 : values.length;\n\n this.__data__ = new MapCache;\n while (++index < length) {\n this.add(values[index]);\n }\n }\n\n /**\n * Adds `value` to the array cache.\n *\n * @private\n * @name add\n * @memberOf SetCache\n * @alias push\n * @param {*} value The value to cache.\n * @returns {Object} Returns the cache instance.\n */\n function setCacheAdd(value) {\n this.__data__.set(value, HASH_UNDEFINED);\n return this;\n }\n\n /**\n * Checks if `value` is in the array cache.\n *\n * @private\n * @name has\n * @memberOf SetCache\n * @param {*} value The value to search for.\n * @returns {number} Returns `true` if `value` is found, else `false`.\n */\n function setCacheHas(value) {\n return this.__data__.has(value);\n }\n\n // Add methods to `SetCache`.\n SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n SetCache.prototype.has = setCacheHas;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a stack cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function Stack(entries) {\n var data = this.__data__ = new ListCache(entries);\n this.size = data.size;\n }\n\n /**\n * Removes all key-value entries from the stack.\n *\n * @private\n * @name clear\n * @memberOf Stack\n */\n function stackClear() {\n this.__data__ = new ListCache;\n this.size = 0;\n }\n\n /**\n * Removes `key` and its value from the stack.\n *\n * @private\n * @name delete\n * @memberOf Stack\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function stackDelete(key) {\n var data = this.__data__,\n result = data['delete'](key);\n\n this.size = data.size;\n return result;\n }\n\n /**\n * Gets the stack value for `key`.\n *\n * @private\n * @name get\n * @memberOf Stack\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function stackGet(key) {\n return this.__data__.get(key);\n }\n\n /**\n * Checks if a stack value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Stack\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function stackHas(key) {\n return this.__data__.has(key);\n }\n\n /**\n * Sets the stack `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Stack\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the stack cache instance.\n */\n function stackSet(key, value) {\n var data = this.__data__;\n if (data instanceof ListCache) {\n var pairs = data.__data__;\n if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n pairs.push([key, value]);\n this.size = ++data.size;\n return this;\n }\n data = this.__data__ = new MapCache(pairs);\n }\n data.set(key, value);\n this.size = data.size;\n return this;\n }\n\n // Add methods to `Stack`.\n Stack.prototype.clear = stackClear;\n Stack.prototype['delete'] = stackDelete;\n Stack.prototype.get = stackGet;\n Stack.prototype.has = stackHas;\n Stack.prototype.set = stackSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an array of the enumerable property names of the array-like `value`.\n *\n * @private\n * @param {*} value The value to query.\n * @param {boolean} inherited Specify returning inherited property names.\n * @returns {Array} Returns the array of property names.\n */\n function arrayLikeKeys(value, inherited) {\n var isArr = isArray(value),\n isArg = !isArr && isArguments(value),\n isBuff = !isArr && !isArg && isBuffer(value),\n isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n skipIndexes = isArr || isArg || isBuff || isType,\n result = skipIndexes ? baseTimes(value.length, String) : [],\n length = result.length;\n\n for (var key in value) {\n if ((inherited || hasOwnProperty.call(value, key)) &&\n !(skipIndexes && (\n // Safari 9 has enumerable `arguments.length` in strict mode.\n key == 'length' ||\n // Node.js 0.10 has enumerable non-index properties on buffers.\n (isBuff && (key == 'offset' || key == 'parent')) ||\n // PhantomJS 2 has enumerable non-index properties on typed arrays.\n (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n // Skip index properties.\n isIndex(key, length)\n ))) {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * A specialized version of `_.sample` for arrays.\n *\n * @private\n * @param {Array} array The array to sample.\n * @returns {*} Returns the random element.\n */\n function arraySample(array) {\n var length = array.length;\n return length ? array[baseRandom(0, length - 1)] : undefined;\n }\n\n /**\n * A specialized version of `_.sampleSize` for arrays.\n *\n * @private\n * @param {Array} array The array to sample.\n * @param {number} n The number of elements to sample.\n * @returns {Array} Returns the random elements.\n */\n function arraySampleSize(array, n) {\n return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n }\n\n /**\n * A specialized version of `_.shuffle` for arrays.\n *\n * @private\n * @param {Array} array The array to shuffle.\n * @returns {Array} Returns the new shuffled array.\n */\n function arrayShuffle(array) {\n return shuffleSelf(copyArray(array));\n }\n\n /**\n * This function is like `assignValue` except that it doesn't assign\n * `undefined` values.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\n function assignMergeValue(object, key, value) {\n if ((value !== undefined && !eq(object[key], value)) ||\n (value === undefined && !(key in object))) {\n baseAssignValue(object, key, value);\n }\n }\n\n /**\n * Assigns `value` to `key` of `object` if the existing value is not equivalent\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\n function assignValue(object, key, value) {\n var objValue = object[key];\n if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n (value === undefined && !(key in object))) {\n baseAssignValue(object, key, value);\n }\n }\n\n /**\n * Gets the index at which the `key` is found in `array` of key-value pairs.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} key The key to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function assocIndexOf(array, key) {\n var length = array.length;\n while (length--) {\n if (eq(array[length][0], key)) {\n return length;\n }\n }\n return -1;\n }\n\n /**\n * Aggregates elements of `collection` on `accumulator` with keys transformed\n * by `iteratee` and values set by `setter`.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} setter The function to set `accumulator` values.\n * @param {Function} iteratee The iteratee to transform keys.\n * @param {Object} accumulator The initial aggregated object.\n * @returns {Function} Returns `accumulator`.\n */\n function baseAggregator(collection, setter, iteratee, accumulator) {\n baseEach(collection, function(value, key, collection) {\n setter(accumulator, value, iteratee(value), collection);\n });\n return accumulator;\n }\n\n /**\n * The base implementation of `_.assign` without support for multiple sources\n * or `customizer` functions.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @returns {Object} Returns `object`.\n */\n function baseAssign(object, source) {\n return object && copyObject(source, keys(source), object);\n }\n\n /**\n * The base implementation of `_.assignIn` without support for multiple sources\n * or `customizer` functions.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @returns {Object} Returns `object`.\n */\n function baseAssignIn(object, source) {\n return object && copyObject(source, keysIn(source), object);\n }\n\n /**\n * The base implementation of `assignValue` and `assignMergeValue` without\n * value checks.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\n function baseAssignValue(object, key, value) {\n if (key == '__proto__' && defineProperty) {\n defineProperty(object, key, {\n 'configurable': true,\n 'enumerable': true,\n 'value': value,\n 'writable': true\n });\n } else {\n object[key] = value;\n }\n }\n\n /**\n * The base implementation of `_.at` without support for individual paths.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {string[]} paths The property paths to pick.\n * @returns {Array} Returns the picked elements.\n */\n function baseAt(object, paths) {\n var index = -1,\n length = paths.length,\n result = Array(length),\n skip = object == null;\n\n while (++index < length) {\n result[index] = skip ? undefined : get(object, paths[index]);\n }\n return result;\n }\n\n /**\n * The base implementation of `_.clamp` which doesn't coerce arguments.\n *\n * @private\n * @param {number} number The number to clamp.\n * @param {number} [lower] The lower bound.\n * @param {number} upper The upper bound.\n * @returns {number} Returns the clamped number.\n */\n function baseClamp(number, lower, upper) {\n if (number === number) {\n if (upper !== undefined) {\n number = number <= upper ? number : upper;\n }\n if (lower !== undefined) {\n number = number >= lower ? number : lower;\n }\n }\n return number;\n }\n\n /**\n * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n * traversed objects.\n *\n * @private\n * @param {*} value The value to clone.\n * @param {boolean} bitmask The bitmask flags.\n * 1 - Deep clone\n * 2 - Flatten inherited properties\n * 4 - Clone symbols\n * @param {Function} [customizer] The function to customize cloning.\n * @param {string} [key] The key of `value`.\n * @param {Object} [object] The parent object of `value`.\n * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n * @returns {*} Returns the cloned value.\n */\n function baseClone(value, bitmask, customizer, key, object, stack) {\n var result,\n isDeep = bitmask & CLONE_DEEP_FLAG,\n isFlat = bitmask & CLONE_FLAT_FLAG,\n isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\n if (customizer) {\n result = object ? customizer(value, key, object, stack) : customizer(value);\n }\n if (result !== undefined) {\n return result;\n }\n if (!isObject(value)) {\n return value;\n }\n var isArr = isArray(value);\n if (isArr) {\n result = initCloneArray(value);\n if (!isDeep) {\n return copyArray(value, result);\n }\n } else {\n var tag = getTag(value),\n isFunc = tag == funcTag || tag == genTag;\n\n if (isBuffer(value)) {\n return cloneBuffer(value, isDeep);\n }\n if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n result = (isFlat || isFunc) ? {} : initCloneObject(value);\n if (!isDeep) {\n return isFlat\n ? copySymbolsIn(value, baseAssignIn(result, value))\n : copySymbols(value, baseAssign(result, value));\n }\n } else {\n if (!cloneableTags[tag]) {\n return object ? value : {};\n }\n result = initCloneByTag(value, tag, isDeep);\n }\n }\n // Check for circular references and return its corresponding clone.\n stack || (stack = new Stack);\n var stacked = stack.get(value);\n if (stacked) {\n return stacked;\n }\n stack.set(value, result);\n\n if (isSet(value)) {\n value.forEach(function(subValue) {\n result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));\n });\n } else if (isMap(value)) {\n value.forEach(function(subValue, key) {\n result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));\n });\n }\n\n var keysFunc = isFull\n ? (isFlat ? getAllKeysIn : getAllKeys)\n : (isFlat ? keysIn : keys);\n\n var props = isArr ? undefined : keysFunc(value);\n arrayEach(props || value, function(subValue, key) {\n if (props) {\n key = subValue;\n subValue = value[key];\n }\n // Recursively populate clone (susceptible to call stack limits).\n assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n });\n return result;\n }\n\n /**\n * The base implementation of `_.conforms` which doesn't clone `source`.\n *\n * @private\n * @param {Object} source The object of property predicates to conform to.\n * @returns {Function} Returns the new spec function.\n */\n function baseConforms(source) {\n var props = keys(source);\n return function(object) {\n return baseConformsTo(object, source, props);\n };\n }\n\n /**\n * The base implementation of `_.conformsTo` which accepts `props` to check.\n *\n * @private\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property predicates to conform to.\n * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n */\n function baseConformsTo(object, source, props) {\n var length = props.length;\n if (object == null) {\n return !length;\n }\n object = Object(object);\n while (length--) {\n var key = props[length],\n predicate = source[key],\n value = object[key];\n\n if ((value === undefined && !(key in object)) || !predicate(value)) {\n return false;\n }\n }\n return true;\n }\n\n /**\n * The base implementation of `_.delay` and `_.defer` which accepts `args`\n * to provide to `func`.\n *\n * @private\n * @param {Function} func The function to delay.\n * @param {number} wait The number of milliseconds to delay invocation.\n * @param {Array} args The arguments to provide to `func`.\n * @returns {number|Object} Returns the timer id or timeout object.\n */\n function baseDelay(func, wait, args) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n return setTimeout(function() { func.apply(undefined, args); }, wait);\n }\n\n /**\n * The base implementation of methods like `_.difference` without support\n * for excluding multiple arrays or iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Array} values The values to exclude.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n */\n function baseDifference(array, values, iteratee, comparator) {\n var index = -1,\n includes = arrayIncludes,\n isCommon = true,\n length = array.length,\n result = [],\n valuesLength = values.length;\n\n if (!length) {\n return result;\n }\n if (iteratee) {\n values = arrayMap(values, baseUnary(iteratee));\n }\n if (comparator) {\n includes = arrayIncludesWith;\n isCommon = false;\n }\n else if (values.length >= LARGE_ARRAY_SIZE) {\n includes = cacheHas;\n isCommon = false;\n values = new SetCache(values);\n }\n outer:\n while (++index < length) {\n var value = array[index],\n computed = iteratee == null ? value : iteratee(value);\n\n value = (comparator || value !== 0) ? value : 0;\n if (isCommon && computed === computed) {\n var valuesIndex = valuesLength;\n while (valuesIndex--) {\n if (values[valuesIndex] === computed) {\n continue outer;\n }\n }\n result.push(value);\n }\n else if (!includes(values, computed, comparator)) {\n result.push(value);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.forEach` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n */\n var baseEach = createBaseEach(baseForOwn);\n\n /**\n * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n */\n var baseEachRight = createBaseEach(baseForOwnRight, true);\n\n /**\n * The base implementation of `_.every` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`\n */\n function baseEvery(collection, predicate) {\n var result = true;\n baseEach(collection, function(value, index, collection) {\n result = !!predicate(value, index, collection);\n return result;\n });\n return result;\n }\n\n /**\n * The base implementation of methods like `_.max` and `_.min` which accepts a\n * `comparator` to determine the extremum value.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The iteratee invoked per iteration.\n * @param {Function} comparator The comparator used to compare values.\n * @returns {*} Returns the extremum value.\n */\n function baseExtremum(array, iteratee, comparator) {\n var index = -1,\n length = array.length;\n\n while (++index < length) {\n var value = array[index],\n current = iteratee(value);\n\n if (current != null && (computed === undefined\n ? (current === current && !isSymbol(current))\n : comparator(current, computed)\n )) {\n var computed = current,\n result = value;\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.fill` without an iteratee call guard.\n *\n * @private\n * @param {Array} array The array to fill.\n * @param {*} value The value to fill `array` with.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns `array`.\n */\n function baseFill(array, value, start, end) {\n var length = array.length;\n\n start = toInteger(start);\n if (start < 0) {\n start = -start > length ? 0 : (length + start);\n }\n end = (end === undefined || end > length) ? length : toInteger(end);\n if (end < 0) {\n end += length;\n }\n end = start > end ? 0 : toLength(end);\n while (start < end) {\n array[start++] = value;\n }\n return array;\n }\n\n /**\n * The base implementation of `_.filter` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n */\n function baseFilter(collection, predicate) {\n var result = [];\n baseEach(collection, function(value, index, collection) {\n if (predicate(value, index, collection)) {\n result.push(value);\n }\n });\n return result;\n }\n\n /**\n * The base implementation of `_.flatten` with support for restricting flattening.\n *\n * @private\n * @param {Array} array The array to flatten.\n * @param {number} depth The maximum recursion depth.\n * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n * @param {Array} [result=[]] The initial result value.\n * @returns {Array} Returns the new flattened array.\n */\n function baseFlatten(array, depth, predicate, isStrict, result) {\n var index = -1,\n length = array.length;\n\n predicate || (predicate = isFlattenable);\n result || (result = []);\n\n while (++index < length) {\n var value = array[index];\n if (depth > 0 && predicate(value)) {\n if (depth > 1) {\n // Recursively flatten arrays (susceptible to call stack limits).\n baseFlatten(value, depth - 1, predicate, isStrict, result);\n } else {\n arrayPush(result, value);\n }\n } else if (!isStrict) {\n result[result.length] = value;\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `baseForOwn` which iterates over `object`\n * properties returned by `keysFunc` and invokes `iteratee` for each property.\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @returns {Object} Returns `object`.\n */\n var baseFor = createBaseFor();\n\n /**\n * This function is like `baseFor` except that it iterates over properties\n * in the opposite order.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @returns {Object} Returns `object`.\n */\n var baseForRight = createBaseFor(true);\n\n /**\n * The base implementation of `_.forOwn` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Object} Returns `object`.\n */\n function baseForOwn(object, iteratee) {\n return object && baseFor(object, iteratee, keys);\n }\n\n /**\n * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Object} Returns `object`.\n */\n function baseForOwnRight(object, iteratee) {\n return object && baseForRight(object, iteratee, keys);\n }\n\n /**\n * The base implementation of `_.functions` which creates an array of\n * `object` function property names filtered from `props`.\n *\n * @private\n * @param {Object} object The object to inspect.\n * @param {Array} props The property names to filter.\n * @returns {Array} Returns the function names.\n */\n function baseFunctions(object, props) {\n return arrayFilter(props, function(key) {\n return isFunction(object[key]);\n });\n }\n\n /**\n * The base implementation of `_.get` without support for default values.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @returns {*} Returns the resolved value.\n */\n function baseGet(object, path) {\n path = castPath(path, object);\n\n var index = 0,\n length = path.length;\n\n while (object != null && index < length) {\n object = object[toKey(path[index++])];\n }\n return (index && index == length) ? object : undefined;\n }\n\n /**\n * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n * symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @param {Function} symbolsFunc The function to get the symbols of `object`.\n * @returns {Array} Returns the array of property names and symbols.\n */\n function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n var result = keysFunc(object);\n return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n }\n\n /**\n * The base implementation of `getTag` without fallbacks for buggy environments.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\n function baseGetTag(value) {\n if (value == null) {\n return value === undefined ? undefinedTag : nullTag;\n }\n return (symToStringTag && symToStringTag in Object(value))\n ? getRawTag(value)\n : objectToString(value);\n }\n\n /**\n * The base implementation of `_.gt` which doesn't coerce arguments.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than `other`,\n * else `false`.\n */\n function baseGt(value, other) {\n return value > other;\n }\n\n /**\n * The base implementation of `_.has` without support for deep paths.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {Array|string} key The key to check.\n * @returns {boolean} Returns `true` if `key` exists, else `false`.\n */\n function baseHas(object, key) {\n return object != null && hasOwnProperty.call(object, key);\n }\n\n /**\n * The base implementation of `_.hasIn` without support for deep paths.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {Array|string} key The key to check.\n * @returns {boolean} Returns `true` if `key` exists, else `false`.\n */\n function baseHasIn(object, key) {\n return object != null && key in Object(object);\n }\n\n /**\n * The base implementation of `_.inRange` which doesn't coerce arguments.\n *\n * @private\n * @param {number} number The number to check.\n * @param {number} start The start of the range.\n * @param {number} end The end of the range.\n * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n */\n function baseInRange(number, start, end) {\n return number >= nativeMin(start, end) && number < nativeMax(start, end);\n }\n\n /**\n * The base implementation of methods like `_.intersection`, without support\n * for iteratee shorthands, that accepts an array of arrays to inspect.\n *\n * @private\n * @param {Array} arrays The arrays to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of shared values.\n */\n function baseIntersection(arrays, iteratee, comparator) {\n var includes = comparator ? arrayIncludesWith : arrayIncludes,\n length = arrays[0].length,\n othLength = arrays.length,\n othIndex = othLength,\n caches = Array(othLength),\n maxLength = Infinity,\n result = [];\n\n while (othIndex--) {\n var array = arrays[othIndex];\n if (othIndex && iteratee) {\n array = arrayMap(array, baseUnary(iteratee));\n }\n maxLength = nativeMin(array.length, maxLength);\n caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n ? new SetCache(othIndex && array)\n : undefined;\n }\n array = arrays[0];\n\n var index = -1,\n seen = caches[0];\n\n outer:\n while (++index < length && result.length < maxLength) {\n var value = array[index],\n computed = iteratee ? iteratee(value) : value;\n\n value = (comparator || value !== 0) ? value : 0;\n if (!(seen\n ? cacheHas(seen, computed)\n : includes(result, computed, comparator)\n )) {\n othIndex = othLength;\n while (--othIndex) {\n var cache = caches[othIndex];\n if (!(cache\n ? cacheHas(cache, computed)\n : includes(arrays[othIndex], computed, comparator))\n ) {\n continue outer;\n }\n }\n if (seen) {\n seen.push(computed);\n }\n result.push(value);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.invert` and `_.invertBy` which inverts\n * `object` with values transformed by `iteratee` and set by `setter`.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} setter The function to set `accumulator` values.\n * @param {Function} iteratee The iteratee to transform values.\n * @param {Object} accumulator The initial inverted object.\n * @returns {Function} Returns `accumulator`.\n */\n function baseInverter(object, setter, iteratee, accumulator) {\n baseForOwn(object, function(value, key, object) {\n setter(accumulator, iteratee(value), key, object);\n });\n return accumulator;\n }\n\n /**\n * The base implementation of `_.invoke` without support for individual\n * method arguments.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the method to invoke.\n * @param {Array} args The arguments to invoke the method with.\n * @returns {*} Returns the result of the invoked method.\n */\n function baseInvoke(object, path, args) {\n path = castPath(path, object);\n object = parent(object, path);\n var func = object == null ? object : object[toKey(last(path))];\n return func == null ? undefined : apply(func, object, args);\n }\n\n /**\n * The base implementation of `_.isArguments`.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n */\n function baseIsArguments(value) {\n return isObjectLike(value) && baseGetTag(value) == argsTag;\n }\n\n /**\n * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n */\n function baseIsArrayBuffer(value) {\n return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n }\n\n /**\n * The base implementation of `_.isDate` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n */\n function baseIsDate(value) {\n return isObjectLike(value) && baseGetTag(value) == dateTag;\n }\n\n /**\n * The base implementation of `_.isEqual` which supports partial comparisons\n * and tracks traversed objects.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @param {boolean} bitmask The bitmask flags.\n * 1 - Unordered comparison\n * 2 - Partial comparison\n * @param {Function} [customizer] The function to customize comparisons.\n * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n */\n function baseIsEqual(value, other, bitmask, customizer, stack) {\n if (value === other) {\n return true;\n }\n if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n return value !== value && other !== other;\n }\n return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n }\n\n /**\n * A specialized version of `baseIsEqual` for arrays and objects which performs\n * deep comparisons and tracks traversed objects enabling objects with circular\n * references to be compared.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\n function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n var objIsArr = isArray(object),\n othIsArr = isArray(other),\n objTag = objIsArr ? arrayTag : getTag(object),\n othTag = othIsArr ? arrayTag : getTag(other);\n\n objTag = objTag == argsTag ? objectTag : objTag;\n othTag = othTag == argsTag ? objectTag : othTag;\n\n var objIsObj = objTag == objectTag,\n othIsObj = othTag == objectTag,\n isSameTag = objTag == othTag;\n\n if (isSameTag && isBuffer(object)) {\n if (!isBuffer(other)) {\n return false;\n }\n objIsArr = true;\n objIsObj = false;\n }\n if (isSameTag && !objIsObj) {\n stack || (stack = new Stack);\n return (objIsArr || isTypedArray(object))\n ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n }\n if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\n if (objIsWrapped || othIsWrapped) {\n var objUnwrapped = objIsWrapped ? object.value() : object,\n othUnwrapped = othIsWrapped ? other.value() : other;\n\n stack || (stack = new Stack);\n return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n }\n }\n if (!isSameTag) {\n return false;\n }\n stack || (stack = new Stack);\n return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n }\n\n /**\n * The base implementation of `_.isMap` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n */\n function baseIsMap(value) {\n return isObjectLike(value) && getTag(value) == mapTag;\n }\n\n /**\n * The base implementation of `_.isMatch` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @param {Array} matchData The property names, values, and compare flags to match.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n */\n function baseIsMatch(object, source, matchData, customizer) {\n var index = matchData.length,\n length = index,\n noCustomizer = !customizer;\n\n if (object == null) {\n return !length;\n }\n object = Object(object);\n while (index--) {\n var data = matchData[index];\n if ((noCustomizer && data[2])\n ? data[1] !== object[data[0]]\n : !(data[0] in object)\n ) {\n return false;\n }\n }\n while (++index < length) {\n data = matchData[index];\n var key = data[0],\n objValue = object[key],\n srcValue = data[1];\n\n if (noCustomizer && data[2]) {\n if (objValue === undefined && !(key in object)) {\n return false;\n }\n } else {\n var stack = new Stack;\n if (customizer) {\n var result = customizer(objValue, srcValue, key, object, source, stack);\n }\n if (!(result === undefined\n ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n : result\n )) {\n return false;\n }\n }\n }\n return true;\n }\n\n /**\n * The base implementation of `_.isNative` without bad shim checks.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function,\n * else `false`.\n */\n function baseIsNative(value) {\n if (!isObject(value) || isMasked(value)) {\n return false;\n }\n var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n return pattern.test(toSource(value));\n }\n\n /**\n * The base implementation of `_.isRegExp` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n */\n function baseIsRegExp(value) {\n return isObjectLike(value) && baseGetTag(value) == regexpTag;\n }\n\n /**\n * The base implementation of `_.isSet` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n */\n function baseIsSet(value) {\n return isObjectLike(value) && getTag(value) == setTag;\n }\n\n /**\n * The base implementation of `_.isTypedArray` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n */\n function baseIsTypedArray(value) {\n return isObjectLike(value) &&\n isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n }\n\n /**\n * The base implementation of `_.iteratee`.\n *\n * @private\n * @param {*} [value=_.identity] The value to convert to an iteratee.\n * @returns {Function} Returns the iteratee.\n */\n function baseIteratee(value) {\n // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n if (typeof value == 'function') {\n return value;\n }\n if (value == null) {\n return identity;\n }\n if (typeof value == 'object') {\n return isArray(value)\n ? baseMatchesProperty(value[0], value[1])\n : baseMatches(value);\n }\n return property(value);\n }\n\n /**\n * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\n function baseKeys(object) {\n if (!isPrototype(object)) {\n return nativeKeys(object);\n }\n var result = [];\n for (var key in Object(object)) {\n if (hasOwnProperty.call(object, key) && key != 'constructor') {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\n function baseKeysIn(object) {\n if (!isObject(object)) {\n return nativeKeysIn(object);\n }\n var isProto = isPrototype(object),\n result = [];\n\n for (var key in object) {\n if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.lt` which doesn't coerce arguments.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than `other`,\n * else `false`.\n */\n function baseLt(value, other) {\n return value < other;\n }\n\n /**\n * The base implementation of `_.map` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n */\n function baseMap(collection, iteratee) {\n var index = -1,\n result = isArrayLike(collection) ? Array(collection.length) : [];\n\n baseEach(collection, function(value, key, collection) {\n result[++index] = iteratee(value, key, collection);\n });\n return result;\n }\n\n /**\n * The base implementation of `_.matches` which doesn't clone `source`.\n *\n * @private\n * @param {Object} source The object of property values to match.\n * @returns {Function} Returns the new spec function.\n */\n function baseMatches(source) {\n var matchData = getMatchData(source);\n if (matchData.length == 1 && matchData[0][2]) {\n return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n }\n return function(object) {\n return object === source || baseIsMatch(object, source, matchData);\n };\n }\n\n /**\n * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n *\n * @private\n * @param {string} path The path of the property to get.\n * @param {*} srcValue The value to match.\n * @returns {Function} Returns the new spec function.\n */\n function baseMatchesProperty(path, srcValue) {\n if (isKey(path) && isStrictComparable(srcValue)) {\n return matchesStrictComparable(toKey(path), srcValue);\n }\n return function(object) {\n var objValue = get(object, path);\n return (objValue === undefined && objValue === srcValue)\n ? hasIn(object, path)\n : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n };\n }\n\n /**\n * The base implementation of `_.merge` without support for multiple sources.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @param {number} srcIndex The index of `source`.\n * @param {Function} [customizer] The function to customize merged values.\n * @param {Object} [stack] Tracks traversed source values and their merged\n * counterparts.\n */\n function baseMerge(object, source, srcIndex, customizer, stack) {\n if (object === source) {\n return;\n }\n baseFor(source, function(srcValue, key) {\n stack || (stack = new Stack);\n if (isObject(srcValue)) {\n baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n }\n else {\n var newValue = customizer\n ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)\n : undefined;\n\n if (newValue === undefined) {\n newValue = srcValue;\n }\n assignMergeValue(object, key, newValue);\n }\n }, keysIn);\n }\n\n /**\n * A specialized version of `baseMerge` for arrays and objects which performs\n * deep merges and tracks traversed objects enabling objects with circular\n * references to be merged.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @param {string} key The key of the value to merge.\n * @param {number} srcIndex The index of `source`.\n * @param {Function} mergeFunc The function to merge values.\n * @param {Function} [customizer] The function to customize assigned values.\n * @param {Object} [stack] Tracks traversed source values and their merged\n * counterparts.\n */\n function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n var objValue = safeGet(object, key),\n srcValue = safeGet(source, key),\n stacked = stack.get(srcValue);\n\n if (stacked) {\n assignMergeValue(object, key, stacked);\n return;\n }\n var newValue = customizer\n ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n : undefined;\n\n var isCommon = newValue === undefined;\n\n if (isCommon) {\n var isArr = isArray(srcValue),\n isBuff = !isArr && isBuffer(srcValue),\n isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\n newValue = srcValue;\n if (isArr || isBuff || isTyped) {\n if (isArray(objValue)) {\n newValue = objValue;\n }\n else if (isArrayLikeObject(objValue)) {\n newValue = copyArray(objValue);\n }\n else if (isBuff) {\n isCommon = false;\n newValue = cloneBuffer(srcValue, true);\n }\n else if (isTyped) {\n isCommon = false;\n newValue = cloneTypedArray(srcValue, true);\n }\n else {\n newValue = [];\n }\n }\n else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n newValue = objValue;\n if (isArguments(objValue)) {\n newValue = toPlainObject(objValue);\n }\n else if (!isObject(objValue) || isFunction(objValue)) {\n newValue = initCloneObject(srcValue);\n }\n }\n else {\n isCommon = false;\n }\n }\n if (isCommon) {\n // Recursively merge objects and arrays (susceptible to call stack limits).\n stack.set(srcValue, newValue);\n mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n stack['delete'](srcValue);\n }\n assignMergeValue(object, key, newValue);\n }\n\n /**\n * The base implementation of `_.nth` which doesn't coerce arguments.\n *\n * @private\n * @param {Array} array The array to query.\n * @param {number} n The index of the element to return.\n * @returns {*} Returns the nth element of `array`.\n */\n function baseNth(array, n) {\n var length = array.length;\n if (!length) {\n return;\n }\n n += n < 0 ? length : 0;\n return isIndex(n, length) ? array[n] : undefined;\n }\n\n /**\n * The base implementation of `_.orderBy` without param guards.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n * @param {string[]} orders The sort orders of `iteratees`.\n * @returns {Array} Returns the new sorted array.\n */\n function baseOrderBy(collection, iteratees, orders) {\n if (iteratees.length) {\n iteratees = arrayMap(iteratees, function(iteratee) {\n if (isArray(iteratee)) {\n return function(value) {\n return baseGet(value, iteratee.length === 1 ? iteratee[0] : iteratee);\n }\n }\n return iteratee;\n });\n } else {\n iteratees = [identity];\n }\n\n var index = -1;\n iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n\n var result = baseMap(collection, function(value, key, collection) {\n var criteria = arrayMap(iteratees, function(iteratee) {\n return iteratee(value);\n });\n return { 'criteria': criteria, 'index': ++index, 'value': value };\n });\n\n return baseSortBy(result, function(object, other) {\n return compareMultiple(object, other, orders);\n });\n }\n\n /**\n * The base implementation of `_.pick` without support for individual\n * property identifiers.\n *\n * @private\n * @param {Object} object The source object.\n * @param {string[]} paths The property paths to pick.\n * @returns {Object} Returns the new object.\n */\n function basePick(object, paths) {\n return basePickBy(object, paths, function(value, path) {\n return hasIn(object, path);\n });\n }\n\n /**\n * The base implementation of `_.pickBy` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The source object.\n * @param {string[]} paths The property paths to pick.\n * @param {Function} predicate The function invoked per property.\n * @returns {Object} Returns the new object.\n */\n function basePickBy(object, paths, predicate) {\n var index = -1,\n length = paths.length,\n result = {};\n\n while (++index < length) {\n var path = paths[index],\n value = baseGet(object, path);\n\n if (predicate(value, path)) {\n baseSet(result, castPath(path, object), value);\n }\n }\n return result;\n }\n\n /**\n * A specialized version of `baseProperty` which supports deep paths.\n *\n * @private\n * @param {Array|string} path The path of the property to get.\n * @returns {Function} Returns the new accessor function.\n */\n function basePropertyDeep(path) {\n return function(object) {\n return baseGet(object, path);\n };\n }\n\n /**\n * The base implementation of `_.pullAllBy` without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns `array`.\n */\n function basePullAll(array, values, iteratee, comparator) {\n var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n index = -1,\n length = values.length,\n seen = array;\n\n if (array === values) {\n values = copyArray(values);\n }\n if (iteratee) {\n seen = arrayMap(array, baseUnary(iteratee));\n }\n while (++index < length) {\n var fromIndex = 0,\n value = values[index],\n computed = iteratee ? iteratee(value) : value;\n\n while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n if (seen !== array) {\n splice.call(seen, fromIndex, 1);\n }\n splice.call(array, fromIndex, 1);\n }\n }\n return array;\n }\n\n /**\n * The base implementation of `_.pullAt` without support for individual\n * indexes or capturing the removed elements.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {number[]} indexes The indexes of elements to remove.\n * @returns {Array} Returns `array`.\n */\n function basePullAt(array, indexes) {\n var length = array ? indexes.length : 0,\n lastIndex = length - 1;\n\n while (length--) {\n var index = indexes[length];\n if (length == lastIndex || index !== previous) {\n var previous = index;\n if (isIndex(index)) {\n splice.call(array, index, 1);\n } else {\n baseUnset(array, index);\n }\n }\n }\n return array;\n }\n\n /**\n * The base implementation of `_.random` without support for returning\n * floating-point numbers.\n *\n * @private\n * @param {number} lower The lower bound.\n * @param {number} upper The upper bound.\n * @returns {number} Returns the random number.\n */\n function baseRandom(lower, upper) {\n return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n }\n\n /**\n * The base implementation of `_.range` and `_.rangeRight` which doesn't\n * coerce arguments.\n *\n * @private\n * @param {number} start The start of the range.\n * @param {number} end The end of the range.\n * @param {number} step The value to increment or decrement by.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Array} Returns the range of numbers.\n */\n function baseRange(start, end, step, fromRight) {\n var index = -1,\n length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n result = Array(length);\n\n while (length--) {\n result[fromRight ? length : ++index] = start;\n start += step;\n }\n return result;\n }\n\n /**\n * The base implementation of `_.repeat` which doesn't coerce arguments.\n *\n * @private\n * @param {string} string The string to repeat.\n * @param {number} n The number of times to repeat the string.\n * @returns {string} Returns the repeated string.\n */\n function baseRepeat(string, n) {\n var result = '';\n if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n return result;\n }\n // Leverage the exponentiation by squaring algorithm for a faster repeat.\n // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n do {\n if (n % 2) {\n result += string;\n }\n n = nativeFloor(n / 2);\n if (n) {\n string += string;\n }\n } while (n);\n\n return result;\n }\n\n /**\n * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @returns {Function} Returns the new function.\n */\n function baseRest(func, start) {\n return setToString(overRest(func, start, identity), func + '');\n }\n\n /**\n * The base implementation of `_.sample`.\n *\n * @private\n * @param {Array|Object} collection The collection to sample.\n * @returns {*} Returns the random element.\n */\n function baseSample(collection) {\n return arraySample(values(collection));\n }\n\n /**\n * The base implementation of `_.sampleSize` without param guards.\n *\n * @private\n * @param {Array|Object} collection The collection to sample.\n * @param {number} n The number of elements to sample.\n * @returns {Array} Returns the random elements.\n */\n function baseSampleSize(collection, n) {\n var array = values(collection);\n return shuffleSelf(array, baseClamp(n, 0, array.length));\n }\n\n /**\n * The base implementation of `_.set`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @param {Function} [customizer] The function to customize path creation.\n * @returns {Object} Returns `object`.\n */\n function baseSet(object, path, value, customizer) {\n if (!isObject(object)) {\n return object;\n }\n path = castPath(path, object);\n\n var index = -1,\n length = path.length,\n lastIndex = length - 1,\n nested = object;\n\n while (nested != null && ++index < length) {\n var key = toKey(path[index]),\n newValue = value;\n\n if (key === '__proto__' || key === 'constructor' || key === 'prototype') {\n return object;\n }\n\n if (index != lastIndex) {\n var objValue = nested[key];\n newValue = customizer ? customizer(objValue, key, nested) : undefined;\n if (newValue === undefined) {\n newValue = isObject(objValue)\n ? objValue\n : (isIndex(path[index + 1]) ? [] : {});\n }\n }\n assignValue(nested, key, newValue);\n nested = nested[key];\n }\n return object;\n }\n\n /**\n * The base implementation of `setData` without support for hot loop shorting.\n *\n * @private\n * @param {Function} func The function to associate metadata with.\n * @param {*} data The metadata.\n * @returns {Function} Returns `func`.\n */\n var baseSetData = !metaMap ? identity : function(func, data) {\n metaMap.set(func, data);\n return func;\n };\n\n /**\n * The base implementation of `setToString` without support for hot loop shorting.\n *\n * @private\n * @param {Function} func The function to modify.\n * @param {Function} string The `toString` result.\n * @returns {Function} Returns `func`.\n */\n var baseSetToString = !defineProperty ? identity : function(func, string) {\n return defineProperty(func, 'toString', {\n 'configurable': true,\n 'enumerable': false,\n 'value': constant(string),\n 'writable': true\n });\n };\n\n /**\n * The base implementation of `_.shuffle`.\n *\n * @private\n * @param {Array|Object} collection The collection to shuffle.\n * @returns {Array} Returns the new shuffled array.\n */\n function baseShuffle(collection) {\n return shuffleSelf(values(collection));\n }\n\n /**\n * The base implementation of `_.slice` without an iteratee call guard.\n *\n * @private\n * @param {Array} array The array to slice.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the slice of `array`.\n */\n function baseSlice(array, start, end) {\n var index = -1,\n length = array.length;\n\n if (start < 0) {\n start = -start > length ? 0 : (length + start);\n }\n end = end > length ? length : end;\n if (end < 0) {\n end += length;\n }\n length = start > end ? 0 : ((end - start) >>> 0);\n start >>>= 0;\n\n var result = Array(length);\n while (++index < length) {\n result[index] = array[index + start];\n }\n return result;\n }\n\n /**\n * The base implementation of `_.some` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n */\n function baseSome(collection, predicate) {\n var result;\n\n baseEach(collection, function(value, index, collection) {\n result = predicate(value, index, collection);\n return !result;\n });\n return !!result;\n }\n\n /**\n * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n * performs a binary search of `array` to determine the index at which `value`\n * should be inserted into `array` in order to maintain its sort order.\n *\n * @private\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {boolean} [retHighest] Specify returning the highest qualified index.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n */\n function baseSortedIndex(array, value, retHighest) {\n var low = 0,\n high = array == null ? low : array.length;\n\n if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n while (low < high) {\n var mid = (low + high) >>> 1,\n computed = array[mid];\n\n if (computed !== null && !isSymbol(computed) &&\n (retHighest ? (computed <= value) : (computed < value))) {\n low = mid + 1;\n } else {\n high = mid;\n }\n }\n return high;\n }\n return baseSortedIndexBy(array, value, identity, retHighest);\n }\n\n /**\n * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n * which invokes `iteratee` for `value` and each element of `array` to compute\n * their sort ranking. The iteratee is invoked with one argument; (value).\n *\n * @private\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {Function} iteratee The iteratee invoked per element.\n * @param {boolean} [retHighest] Specify returning the highest qualified index.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n */\n function baseSortedIndexBy(array, value, iteratee, retHighest) {\n var low = 0,\n high = array == null ? 0 : array.length;\n if (high === 0) {\n return 0;\n }\n\n value = iteratee(value);\n var valIsNaN = value !== value,\n valIsNull = value === null,\n valIsSymbol = isSymbol(value),\n valIsUndefined = value === undefined;\n\n while (low < high) {\n var mid = nativeFloor((low + high) / 2),\n computed = iteratee(array[mid]),\n othIsDefined = computed !== undefined,\n othIsNull = computed === null,\n othIsReflexive = computed === computed,\n othIsSymbol = isSymbol(computed);\n\n if (valIsNaN) {\n var setLow = retHighest || othIsReflexive;\n } else if (valIsUndefined) {\n setLow = othIsReflexive && (retHighest || othIsDefined);\n } else if (valIsNull) {\n setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n } else if (valIsSymbol) {\n setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n } else if (othIsNull || othIsSymbol) {\n setLow = false;\n } else {\n setLow = retHighest ? (computed <= value) : (computed < value);\n }\n if (setLow) {\n low = mid + 1;\n } else {\n high = mid;\n }\n }\n return nativeMin(high, MAX_ARRAY_INDEX);\n }\n\n /**\n * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n * support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n */\n function baseSortedUniq(array, iteratee) {\n var index = -1,\n length = array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index],\n computed = iteratee ? iteratee(value) : value;\n\n if (!index || !eq(computed, seen)) {\n var seen = computed;\n result[resIndex++] = value === 0 ? 0 : value;\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.toNumber` which doesn't ensure correct\n * conversions of binary, hexadecimal, or octal string values.\n *\n * @private\n * @param {*} value The value to process.\n * @returns {number} Returns the number.\n */\n function baseToNumber(value) {\n if (typeof value == 'number') {\n return value;\n }\n if (isSymbol(value)) {\n return NAN;\n }\n return +value;\n }\n\n /**\n * The base implementation of `_.toString` which doesn't convert nullish\n * values to empty strings.\n *\n * @private\n * @param {*} value The value to process.\n * @returns {string} Returns the string.\n */\n function baseToString(value) {\n // Exit early for strings to avoid a performance hit in some environments.\n if (typeof value == 'string') {\n return value;\n }\n if (isArray(value)) {\n // Recursively convert values (susceptible to call stack limits).\n return arrayMap(value, baseToString) + '';\n }\n if (isSymbol(value)) {\n return symbolToString ? symbolToString.call(value) : '';\n }\n var result = (value + '');\n return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n }\n\n /**\n * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n */\n function baseUniq(array, iteratee, comparator) {\n var index = -1,\n includes = arrayIncludes,\n length = array.length,\n isCommon = true,\n result = [],\n seen = result;\n\n if (comparator) {\n isCommon = false;\n includes = arrayIncludesWith;\n }\n else if (length >= LARGE_ARRAY_SIZE) {\n var set = iteratee ? null : createSet(array);\n if (set) {\n return setToArray(set);\n }\n isCommon = false;\n includes = cacheHas;\n seen = new SetCache;\n }\n else {\n seen = iteratee ? [] : result;\n }\n outer:\n while (++index < length) {\n var value = array[index],\n computed = iteratee ? iteratee(value) : value;\n\n value = (comparator || value !== 0) ? value : 0;\n if (isCommon && computed === computed) {\n var seenIndex = seen.length;\n while (seenIndex--) {\n if (seen[seenIndex] === computed) {\n continue outer;\n }\n }\n if (iteratee) {\n seen.push(computed);\n }\n result.push(value);\n }\n else if (!includes(seen, computed, comparator)) {\n if (seen !== result) {\n seen.push(computed);\n }\n result.push(value);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.unset`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The property path to unset.\n * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n */\n function baseUnset(object, path) {\n path = castPath(path, object);\n object = parent(object, path);\n return object == null || delete object[toKey(last(path))];\n }\n\n /**\n * The base implementation of `_.update`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to update.\n * @param {Function} updater The function to produce the updated value.\n * @param {Function} [customizer] The function to customize path creation.\n * @returns {Object} Returns `object`.\n */\n function baseUpdate(object, path, updater, customizer) {\n return baseSet(object, path, updater(baseGet(object, path)), customizer);\n }\n\n /**\n * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n * without support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to query.\n * @param {Function} predicate The function invoked per iteration.\n * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Array} Returns the slice of `array`.\n */\n function baseWhile(array, predicate, isDrop, fromRight) {\n var length = array.length,\n index = fromRight ? length : -1;\n\n while ((fromRight ? index-- : ++index < length) &&\n predicate(array[index], index, array)) {}\n\n return isDrop\n ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n }\n\n /**\n * The base implementation of `wrapperValue` which returns the result of\n * performing a sequence of actions on the unwrapped `value`, where each\n * successive action is supplied the return value of the previous.\n *\n * @private\n * @param {*} value The unwrapped value.\n * @param {Array} actions Actions to perform to resolve the unwrapped value.\n * @returns {*} Returns the resolved value.\n */\n function baseWrapperValue(value, actions) {\n var result = value;\n if (result instanceof LazyWrapper) {\n result = result.value();\n }\n return arrayReduce(actions, function(result, action) {\n return action.func.apply(action.thisArg, arrayPush([result], action.args));\n }, result);\n }\n\n /**\n * The base implementation of methods like `_.xor`, without support for\n * iteratee shorthands, that accepts an array of arrays to inspect.\n *\n * @private\n * @param {Array} arrays The arrays to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of values.\n */\n function baseXor(arrays, iteratee, comparator) {\n var length = arrays.length;\n if (length < 2) {\n return length ? baseUniq(arrays[0]) : [];\n }\n var index = -1,\n result = Array(length);\n\n while (++index < length) {\n var array = arrays[index],\n othIndex = -1;\n\n while (++othIndex < length) {\n if (othIndex != index) {\n result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n }\n }\n }\n return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n }\n\n /**\n * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n *\n * @private\n * @param {Array} props The property identifiers.\n * @param {Array} values The property values.\n * @param {Function} assignFunc The function to assign values.\n * @returns {Object} Returns the new object.\n */\n function baseZipObject(props, values, assignFunc) {\n var index = -1,\n length = props.length,\n valsLength = values.length,\n result = {};\n\n while (++index < length) {\n var value = index < valsLength ? values[index] : undefined;\n assignFunc(result, props[index], value);\n }\n return result;\n }\n\n /**\n * Casts `value` to an empty array if it's not an array like object.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {Array|Object} Returns the cast array-like object.\n */\n function castArrayLikeObject(value) {\n return isArrayLikeObject(value) ? value : [];\n }\n\n /**\n * Casts `value` to `identity` if it's not a function.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {Function} Returns cast function.\n */\n function castFunction(value) {\n return typeof value == 'function' ? value : identity;\n }\n\n /**\n * Casts `value` to a path array if it's not one.\n *\n * @private\n * @param {*} value The value to inspect.\n * @param {Object} [object] The object to query keys on.\n * @returns {Array} Returns the cast property path array.\n */\n function castPath(value, object) {\n if (isArray(value)) {\n return value;\n }\n return isKey(value, object) ? [value] : stringToPath(toString(value));\n }\n\n /**\n * A `baseRest` alias which can be replaced with `identity` by module\n * replacement plugins.\n *\n * @private\n * @type {Function}\n * @param {Function} func The function to apply a rest parameter to.\n * @returns {Function} Returns the new function.\n */\n var castRest = baseRest;\n\n /**\n * Casts `array` to a slice if it's needed.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {number} start The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the cast slice.\n */\n function castSlice(array, start, end) {\n var length = array.length;\n end = end === undefined ? length : end;\n return (!start && end >= length) ? array : baseSlice(array, start, end);\n }\n\n /**\n * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n *\n * @private\n * @param {number|Object} id The timer id or timeout object of the timer to clear.\n */\n var clearTimeout = ctxClearTimeout || function(id) {\n return root.clearTimeout(id);\n };\n\n /**\n * Creates a clone of `buffer`.\n *\n * @private\n * @param {Buffer} buffer The buffer to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Buffer} Returns the cloned buffer.\n */\n function cloneBuffer(buffer, isDeep) {\n if (isDeep) {\n return buffer.slice();\n }\n var length = buffer.length,\n result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\n buffer.copy(result);\n return result;\n }\n\n /**\n * Creates a clone of `arrayBuffer`.\n *\n * @private\n * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n * @returns {ArrayBuffer} Returns the cloned array buffer.\n */\n function cloneArrayBuffer(arrayBuffer) {\n var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n return result;\n }\n\n /**\n * Creates a clone of `dataView`.\n *\n * @private\n * @param {Object} dataView The data view to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the cloned data view.\n */\n function cloneDataView(dataView, isDeep) {\n var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n }\n\n /**\n * Creates a clone of `regexp`.\n *\n * @private\n * @param {Object} regexp The regexp to clone.\n * @returns {Object} Returns the cloned regexp.\n */\n function cloneRegExp(regexp) {\n var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n result.lastIndex = regexp.lastIndex;\n return result;\n }\n\n /**\n * Creates a clone of the `symbol` object.\n *\n * @private\n * @param {Object} symbol The symbol object to clone.\n * @returns {Object} Returns the cloned symbol object.\n */\n function cloneSymbol(symbol) {\n return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n }\n\n /**\n * Creates a clone of `typedArray`.\n *\n * @private\n * @param {Object} typedArray The typed array to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the cloned typed array.\n */\n function cloneTypedArray(typedArray, isDeep) {\n var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n }\n\n /**\n * Compares values to sort them in ascending order.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {number} Returns the sort order indicator for `value`.\n */\n function compareAscending(value, other) {\n if (value !== other) {\n var valIsDefined = value !== undefined,\n valIsNull = value === null,\n valIsReflexive = value === value,\n valIsSymbol = isSymbol(value);\n\n var othIsDefined = other !== undefined,\n othIsNull = other === null,\n othIsReflexive = other === other,\n othIsSymbol = isSymbol(other);\n\n if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n (valIsNull && othIsDefined && othIsReflexive) ||\n (!valIsDefined && othIsReflexive) ||\n !valIsReflexive) {\n return 1;\n }\n if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n (othIsNull && valIsDefined && valIsReflexive) ||\n (!othIsDefined && valIsReflexive) ||\n !othIsReflexive) {\n return -1;\n }\n }\n return 0;\n }\n\n /**\n * Used by `_.orderBy` to compare multiple properties of a value to another\n * and stable sort them.\n *\n * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n * of corresponding values.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {boolean[]|string[]} orders The order to sort by for each property.\n * @returns {number} Returns the sort order indicator for `object`.\n */\n function compareMultiple(object, other, orders) {\n var index = -1,\n objCriteria = object.criteria,\n othCriteria = other.criteria,\n length = objCriteria.length,\n ordersLength = orders.length;\n\n while (++index < length) {\n var result = compareAscending(objCriteria[index], othCriteria[index]);\n if (result) {\n if (index >= ordersLength) {\n return result;\n }\n var order = orders[index];\n return result * (order == 'desc' ? -1 : 1);\n }\n }\n // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n // that causes it, under certain circumstances, to provide the same value for\n // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n // for more details.\n //\n // This also ensures a stable sort in V8 and other engines.\n // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n return object.index - other.index;\n }\n\n /**\n * Creates an array that is the composition of partially applied arguments,\n * placeholders, and provided arguments into a single array of arguments.\n *\n * @private\n * @param {Array} args The provided arguments.\n * @param {Array} partials The arguments to prepend to those provided.\n * @param {Array} holders The `partials` placeholder indexes.\n * @params {boolean} [isCurried] Specify composing for a curried function.\n * @returns {Array} Returns the new array of composed arguments.\n */\n function composeArgs(args, partials, holders, isCurried) {\n var argsIndex = -1,\n argsLength = args.length,\n holdersLength = holders.length,\n leftIndex = -1,\n leftLength = partials.length,\n rangeLength = nativeMax(argsLength - holdersLength, 0),\n result = Array(leftLength + rangeLength),\n isUncurried = !isCurried;\n\n while (++leftIndex < leftLength) {\n result[leftIndex] = partials[leftIndex];\n }\n while (++argsIndex < holdersLength) {\n if (isUncurried || argsIndex < argsLength) {\n result[holders[argsIndex]] = args[argsIndex];\n }\n }\n while (rangeLength--) {\n result[leftIndex++] = args[argsIndex++];\n }\n return result;\n }\n\n /**\n * This function is like `composeArgs` except that the arguments composition\n * is tailored for `_.partialRight`.\n *\n * @private\n * @param {Array} args The provided arguments.\n * @param {Array} partials The arguments to append to those provided.\n * @param {Array} holders The `partials` placeholder indexes.\n * @params {boolean} [isCurried] Specify composing for a curried function.\n * @returns {Array} Returns the new array of composed arguments.\n */\n function composeArgsRight(args, partials, holders, isCurried) {\n var argsIndex = -1,\n argsLength = args.length,\n holdersIndex = -1,\n holdersLength = holders.length,\n rightIndex = -1,\n rightLength = partials.length,\n rangeLength = nativeMax(argsLength - holdersLength, 0),\n result = Array(rangeLength + rightLength),\n isUncurried = !isCurried;\n\n while (++argsIndex < rangeLength) {\n result[argsIndex] = args[argsIndex];\n }\n var offset = argsIndex;\n while (++rightIndex < rightLength) {\n result[offset + rightIndex] = partials[rightIndex];\n }\n while (++holdersIndex < holdersLength) {\n if (isUncurried || argsIndex < argsLength) {\n result[offset + holders[holdersIndex]] = args[argsIndex++];\n }\n }\n return result;\n }\n\n /**\n * Copies the values of `source` to `array`.\n *\n * @private\n * @param {Array} source The array to copy values from.\n * @param {Array} [array=[]] The array to copy values to.\n * @returns {Array} Returns `array`.\n */\n function copyArray(source, array) {\n var index = -1,\n length = source.length;\n\n array || (array = Array(length));\n while (++index < length) {\n array[index] = source[index];\n }\n return array;\n }\n\n /**\n * Copies properties of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy properties from.\n * @param {Array} props The property identifiers to copy.\n * @param {Object} [object={}] The object to copy properties to.\n * @param {Function} [customizer] The function to customize copied values.\n * @returns {Object} Returns `object`.\n */\n function copyObject(source, props, object, customizer) {\n var isNew = !object;\n object || (object = {});\n\n var index = -1,\n length = props.length;\n\n while (++index < length) {\n var key = props[index];\n\n var newValue = customizer\n ? customizer(object[key], source[key], key, object, source)\n : undefined;\n\n if (newValue === undefined) {\n newValue = source[key];\n }\n if (isNew) {\n baseAssignValue(object, key, newValue);\n } else {\n assignValue(object, key, newValue);\n }\n }\n return object;\n }\n\n /**\n * Copies own symbols of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy symbols from.\n * @param {Object} [object={}] The object to copy symbols to.\n * @returns {Object} Returns `object`.\n */\n function copySymbols(source, object) {\n return copyObject(source, getSymbols(source), object);\n }\n\n /**\n * Copies own and inherited symbols of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy symbols from.\n * @param {Object} [object={}] The object to copy symbols to.\n * @returns {Object} Returns `object`.\n */\n function copySymbolsIn(source, object) {\n return copyObject(source, getSymbolsIn(source), object);\n }\n\n /**\n * Creates a function like `_.groupBy`.\n *\n * @private\n * @param {Function} setter The function to set accumulator values.\n * @param {Function} [initializer] The accumulator object initializer.\n * @returns {Function} Returns the new aggregator function.\n */\n function createAggregator(setter, initializer) {\n return function(collection, iteratee) {\n var func = isArray(collection) ? arrayAggregator : baseAggregator,\n accumulator = initializer ? initializer() : {};\n\n return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n };\n }\n\n /**\n * Creates a function like `_.assign`.\n *\n * @private\n * @param {Function} assigner The function to assign values.\n * @returns {Function} Returns the new assigner function.\n */\n function createAssigner(assigner) {\n return baseRest(function(object, sources) {\n var index = -1,\n length = sources.length,\n customizer = length > 1 ? sources[length - 1] : undefined,\n guard = length > 2 ? sources[2] : undefined;\n\n customizer = (assigner.length > 3 && typeof customizer == 'function')\n ? (length--, customizer)\n : undefined;\n\n if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n customizer = length < 3 ? undefined : customizer;\n length = 1;\n }\n object = Object(object);\n while (++index < length) {\n var source = sources[index];\n if (source) {\n assigner(object, source, index, customizer);\n }\n }\n return object;\n });\n }\n\n /**\n * Creates a `baseEach` or `baseEachRight` function.\n *\n * @private\n * @param {Function} eachFunc The function to iterate over a collection.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new base function.\n */\n function createBaseEach(eachFunc, fromRight) {\n return function(collection, iteratee) {\n if (collection == null) {\n return collection;\n }\n if (!isArrayLike(collection)) {\n return eachFunc(collection, iteratee);\n }\n var length = collection.length,\n index = fromRight ? length : -1,\n iterable = Object(collection);\n\n while ((fromRight ? index-- : ++index < length)) {\n if (iteratee(iterable[index], index, iterable) === false) {\n break;\n }\n }\n return collection;\n };\n }\n\n /**\n * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new base function.\n */\n function createBaseFor(fromRight) {\n return function(object, iteratee, keysFunc) {\n var index = -1,\n iterable = Object(object),\n props = keysFunc(object),\n length = props.length;\n\n while (length--) {\n var key = props[fromRight ? length : ++index];\n if (iteratee(iterable[key], key, iterable) === false) {\n break;\n }\n }\n return object;\n };\n }\n\n /**\n * Creates a function that wraps `func` to invoke it with the optional `this`\n * binding of `thisArg`.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createBind(func, bitmask, thisArg) {\n var isBind = bitmask & WRAP_BIND_FLAG,\n Ctor = createCtor(func);\n\n function wrapper() {\n var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n return fn.apply(isBind ? thisArg : this, arguments);\n }\n return wrapper;\n }\n\n /**\n * Creates a function like `_.lowerFirst`.\n *\n * @private\n * @param {string} methodName The name of the `String` case method to use.\n * @returns {Function} Returns the new case function.\n */\n function createCaseFirst(methodName) {\n return function(string) {\n string = toString(string);\n\n var strSymbols = hasUnicode(string)\n ? stringToArray(string)\n : undefined;\n\n var chr = strSymbols\n ? strSymbols[0]\n : string.charAt(0);\n\n var trailing = strSymbols\n ? castSlice(strSymbols, 1).join('')\n : string.slice(1);\n\n return chr[methodName]() + trailing;\n };\n }\n\n /**\n * Creates a function like `_.camelCase`.\n *\n * @private\n * @param {Function} callback The function to combine each word.\n * @returns {Function} Returns the new compounder function.\n */\n function createCompounder(callback) {\n return function(string) {\n return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n };\n }\n\n /**\n * Creates a function that produces an instance of `Ctor` regardless of\n * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n *\n * @private\n * @param {Function} Ctor The constructor to wrap.\n * @returns {Function} Returns the new wrapped function.\n */\n function createCtor(Ctor) {\n return function() {\n // Use a `switch` statement to work with class constructors. See\n // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n // for more details.\n var args = arguments;\n switch (args.length) {\n case 0: return new Ctor;\n case 1: return new Ctor(args[0]);\n case 2: return new Ctor(args[0], args[1]);\n case 3: return new Ctor(args[0], args[1], args[2]);\n case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n }\n var thisBinding = baseCreate(Ctor.prototype),\n result = Ctor.apply(thisBinding, args);\n\n // Mimic the constructor's `return` behavior.\n // See https://es5.github.io/#x13.2.2 for more details.\n return isObject(result) ? result : thisBinding;\n };\n }\n\n /**\n * Creates a function that wraps `func` to enable currying.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {number} arity The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createCurry(func, bitmask, arity) {\n var Ctor = createCtor(func);\n\n function wrapper() {\n var length = arguments.length,\n args = Array(length),\n index = length,\n placeholder = getHolder(wrapper);\n\n while (index--) {\n args[index] = arguments[index];\n }\n var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n ? []\n : replaceHolders(args, placeholder);\n\n length -= holders.length;\n if (length < arity) {\n return createRecurry(\n func, bitmask, createHybrid, wrapper.placeholder, undefined,\n args, holders, undefined, undefined, arity - length);\n }\n var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n return apply(fn, this, args);\n }\n return wrapper;\n }\n\n /**\n * Creates a `_.find` or `_.findLast` function.\n *\n * @private\n * @param {Function} findIndexFunc The function to find the collection index.\n * @returns {Function} Returns the new find function.\n */\n function createFind(findIndexFunc) {\n return function(collection, predicate, fromIndex) {\n var iterable = Object(collection);\n if (!isArrayLike(collection)) {\n var iteratee = getIteratee(predicate, 3);\n collection = keys(collection);\n predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n }\n var index = findIndexFunc(collection, predicate, fromIndex);\n return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n };\n }\n\n /**\n * Creates a `_.flow` or `_.flowRight` function.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new flow function.\n */\n function createFlow(fromRight) {\n return flatRest(function(funcs) {\n var length = funcs.length,\n index = length,\n prereq = LodashWrapper.prototype.thru;\n\n if (fromRight) {\n funcs.reverse();\n }\n while (index--) {\n var func = funcs[index];\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n var wrapper = new LodashWrapper([], true);\n }\n }\n index = wrapper ? index : length;\n while (++index < length) {\n func = funcs[index];\n\n var funcName = getFuncName(func),\n data = funcName == 'wrapper' ? getData(func) : undefined;\n\n if (data && isLaziable(data[0]) &&\n data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n !data[4].length && data[9] == 1\n ) {\n wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n } else {\n wrapper = (func.length == 1 && isLaziable(func))\n ? wrapper[funcName]()\n : wrapper.thru(func);\n }\n }\n return function() {\n var args = arguments,\n value = args[0];\n\n if (wrapper && args.length == 1 && isArray(value)) {\n return wrapper.plant(value).value();\n }\n var index = 0,\n result = length ? funcs[index].apply(this, args) : value;\n\n while (++index < length) {\n result = funcs[index].call(this, result);\n }\n return result;\n };\n });\n }\n\n /**\n * Creates a function that wraps `func` to invoke it with optional `this`\n * binding of `thisArg`, partial application, and currying.\n *\n * @private\n * @param {Function|string} func The function or method name to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {Array} [partials] The arguments to prepend to those provided to\n * the new function.\n * @param {Array} [holders] The `partials` placeholder indexes.\n * @param {Array} [partialsRight] The arguments to append to those provided\n * to the new function.\n * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n * @param {Array} [argPos] The argument positions of the new function.\n * @param {number} [ary] The arity cap of `func`.\n * @param {number} [arity] The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n var isAry = bitmask & WRAP_ARY_FLAG,\n isBind = bitmask & WRAP_BIND_FLAG,\n isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n isFlip = bitmask & WRAP_FLIP_FLAG,\n Ctor = isBindKey ? undefined : createCtor(func);\n\n function wrapper() {\n var length = arguments.length,\n args = Array(length),\n index = length;\n\n while (index--) {\n args[index] = arguments[index];\n }\n if (isCurried) {\n var placeholder = getHolder(wrapper),\n holdersCount = countHolders(args, placeholder);\n }\n if (partials) {\n args = composeArgs(args, partials, holders, isCurried);\n }\n if (partialsRight) {\n args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n }\n length -= holdersCount;\n if (isCurried && length < arity) {\n var newHolders = replaceHolders(args, placeholder);\n return createRecurry(\n func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n args, newHolders, argPos, ary, arity - length\n );\n }\n var thisBinding = isBind ? thisArg : this,\n fn = isBindKey ? thisBinding[func] : func;\n\n length = args.length;\n if (argPos) {\n args = reorder(args, argPos);\n } else if (isFlip && length > 1) {\n args.reverse();\n }\n if (isAry && ary < length) {\n args.length = ary;\n }\n if (this && this !== root && this instanceof wrapper) {\n fn = Ctor || createCtor(fn);\n }\n return fn.apply(thisBinding, args);\n }\n return wrapper;\n }\n\n /**\n * Creates a function like `_.invertBy`.\n *\n * @private\n * @param {Function} setter The function to set accumulator values.\n * @param {Function} toIteratee The function to resolve iteratees.\n * @returns {Function} Returns the new inverter function.\n */\n function createInverter(setter, toIteratee) {\n return function(object, iteratee) {\n return baseInverter(object, setter, toIteratee(iteratee), {});\n };\n }\n\n /**\n * Creates a function that performs a mathematical operation on two values.\n *\n * @private\n * @param {Function} operator The function to perform the operation.\n * @param {number} [defaultValue] The value used for `undefined` arguments.\n * @returns {Function} Returns the new mathematical operation function.\n */\n function createMathOperation(operator, defaultValue) {\n return function(value, other) {\n var result;\n if (value === undefined && other === undefined) {\n return defaultValue;\n }\n if (value !== undefined) {\n result = value;\n }\n if (other !== undefined) {\n if (result === undefined) {\n return other;\n }\n if (typeof value == 'string' || typeof other == 'string') {\n value = baseToString(value);\n other = baseToString(other);\n } else {\n value = baseToNumber(value);\n other = baseToNumber(other);\n }\n result = operator(value, other);\n }\n return result;\n };\n }\n\n /**\n * Creates a function like `_.over`.\n *\n * @private\n * @param {Function} arrayFunc The function to iterate over iteratees.\n * @returns {Function} Returns the new over function.\n */\n function createOver(arrayFunc) {\n return flatRest(function(iteratees) {\n iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n return baseRest(function(args) {\n var thisArg = this;\n return arrayFunc(iteratees, function(iteratee) {\n return apply(iteratee, thisArg, args);\n });\n });\n });\n }\n\n /**\n * Creates the padding for `string` based on `length`. The `chars` string\n * is truncated if the number of characters exceeds `length`.\n *\n * @private\n * @param {number} length The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padding for `string`.\n */\n function createPadding(length, chars) {\n chars = chars === undefined ? ' ' : baseToString(chars);\n\n var charsLength = chars.length;\n if (charsLength < 2) {\n return charsLength ? baseRepeat(chars, length) : chars;\n }\n var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n return hasUnicode(chars)\n ? castSlice(stringToArray(result), 0, length).join('')\n : result.slice(0, length);\n }\n\n /**\n * Creates a function that wraps `func` to invoke it with the `this` binding\n * of `thisArg` and `partials` prepended to the arguments it receives.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {Array} partials The arguments to prepend to those provided to\n * the new function.\n * @returns {Function} Returns the new wrapped function.\n */\n function createPartial(func, bitmask, thisArg, partials) {\n var isBind = bitmask & WRAP_BIND_FLAG,\n Ctor = createCtor(func);\n\n function wrapper() {\n var argsIndex = -1,\n argsLength = arguments.length,\n leftIndex = -1,\n leftLength = partials.length,\n args = Array(leftLength + argsLength),\n fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\n while (++leftIndex < leftLength) {\n args[leftIndex] = partials[leftIndex];\n }\n while (argsLength--) {\n args[leftIndex++] = arguments[++argsIndex];\n }\n return apply(fn, isBind ? thisArg : this, args);\n }\n return wrapper;\n }\n\n /**\n * Creates a `_.range` or `_.rangeRight` function.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new range function.\n */\n function createRange(fromRight) {\n return function(start, end, step) {\n if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n end = step = undefined;\n }\n // Ensure the sign of `-0` is preserved.\n start = toFinite(start);\n if (end === undefined) {\n end = start;\n start = 0;\n } else {\n end = toFinite(end);\n }\n step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n return baseRange(start, end, step, fromRight);\n };\n }\n\n /**\n * Creates a function that performs a relational operation on two values.\n *\n * @private\n * @param {Function} operator The function to perform the operation.\n * @returns {Function} Returns the new relational operation function.\n */\n function createRelationalOperation(operator) {\n return function(value, other) {\n if (!(typeof value == 'string' && typeof other == 'string')) {\n value = toNumber(value);\n other = toNumber(other);\n }\n return operator(value, other);\n };\n }\n\n /**\n * Creates a function that wraps `func` to continue currying.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {Function} wrapFunc The function to create the `func` wrapper.\n * @param {*} placeholder The placeholder value.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {Array} [partials] The arguments to prepend to those provided to\n * the new function.\n * @param {Array} [holders] The `partials` placeholder indexes.\n * @param {Array} [argPos] The argument positions of the new function.\n * @param {number} [ary] The arity cap of `func`.\n * @param {number} [arity] The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n var isCurry = bitmask & WRAP_CURRY_FLAG,\n newHolders = isCurry ? holders : undefined,\n newHoldersRight = isCurry ? undefined : holders,\n newPartials = isCurry ? partials : undefined,\n newPartialsRight = isCurry ? undefined : partials;\n\n bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\n if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n }\n var newData = [\n func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n newHoldersRight, argPos, ary, arity\n ];\n\n var result = wrapFunc.apply(undefined, newData);\n if (isLaziable(func)) {\n setData(result, newData);\n }\n result.placeholder = placeholder;\n return setWrapToString(result, func, bitmask);\n }\n\n /**\n * Creates a function like `_.round`.\n *\n * @private\n * @param {string} methodName The name of the `Math` method to use when rounding.\n * @returns {Function} Returns the new round function.\n */\n function createRound(methodName) {\n var func = Math[methodName];\n return function(number, precision) {\n number = toNumber(number);\n precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n if (precision && nativeIsFinite(number)) {\n // Shift with exponential notation to avoid floating-point issues.\n // See [MDN](https://mdn.io/round#Examples) for more details.\n var pair = (toString(number) + 'e').split('e'),\n value = func(pair[0] + 'e' + (+pair[1] + precision));\n\n pair = (toString(value) + 'e').split('e');\n return +(pair[0] + 'e' + (+pair[1] - precision));\n }\n return func(number);\n };\n }\n\n /**\n * Creates a set object of `values`.\n *\n * @private\n * @param {Array} values The values to add to the set.\n * @returns {Object} Returns the new set.\n */\n var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n return new Set(values);\n };\n\n /**\n * Creates a `_.toPairs` or `_.toPairsIn` function.\n *\n * @private\n * @param {Function} keysFunc The function to get the keys of a given object.\n * @returns {Function} Returns the new pairs function.\n */\n function createToPairs(keysFunc) {\n return function(object) {\n var tag = getTag(object);\n if (tag == mapTag) {\n return mapToArray(object);\n }\n if (tag == setTag) {\n return setToPairs(object);\n }\n return baseToPairs(object, keysFunc(object));\n };\n }\n\n /**\n * Creates a function that either curries or invokes `func` with optional\n * `this` binding and partially applied arguments.\n *\n * @private\n * @param {Function|string} func The function or method name to wrap.\n * @param {number} bitmask The bitmask flags.\n * 1 - `_.bind`\n * 2 - `_.bindKey`\n * 4 - `_.curry` or `_.curryRight` of a bound function\n * 8 - `_.curry`\n * 16 - `_.curryRight`\n * 32 - `_.partial`\n * 64 - `_.partialRight`\n * 128 - `_.rearg`\n * 256 - `_.ary`\n * 512 - `_.flip`\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {Array} [partials] The arguments to be partially applied.\n * @param {Array} [holders] The `partials` placeholder indexes.\n * @param {Array} [argPos] The argument positions of the new function.\n * @param {number} [ary] The arity cap of `func`.\n * @param {number} [arity] The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n if (!isBindKey && typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n var length = partials ? partials.length : 0;\n if (!length) {\n bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n partials = holders = undefined;\n }\n ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n arity = arity === undefined ? arity : toInteger(arity);\n length -= holders ? holders.length : 0;\n\n if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n var partialsRight = partials,\n holdersRight = holders;\n\n partials = holders = undefined;\n }\n var data = isBindKey ? undefined : getData(func);\n\n var newData = [\n func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n argPos, ary, arity\n ];\n\n if (data) {\n mergeData(newData, data);\n }\n func = newData[0];\n bitmask = newData[1];\n thisArg = newData[2];\n partials = newData[3];\n holders = newData[4];\n arity = newData[9] = newData[9] === undefined\n ? (isBindKey ? 0 : func.length)\n : nativeMax(newData[9] - length, 0);\n\n if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n }\n if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n var result = createBind(func, bitmask, thisArg);\n } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n result = createCurry(func, bitmask, arity);\n } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n result = createPartial(func, bitmask, thisArg, partials);\n } else {\n result = createHybrid.apply(undefined, newData);\n }\n var setter = data ? baseSetData : setData;\n return setWrapToString(setter(result, newData), func, bitmask);\n }\n\n /**\n * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n * of source objects to the destination object for all destination properties\n * that resolve to `undefined`.\n *\n * @private\n * @param {*} objValue The destination value.\n * @param {*} srcValue The source value.\n * @param {string} key The key of the property to assign.\n * @param {Object} object The parent object of `objValue`.\n * @returns {*} Returns the value to assign.\n */\n function customDefaultsAssignIn(objValue, srcValue, key, object) {\n if (objValue === undefined ||\n (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n return srcValue;\n }\n return objValue;\n }\n\n /**\n * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n * objects into destination objects that are passed thru.\n *\n * @private\n * @param {*} objValue The destination value.\n * @param {*} srcValue The source value.\n * @param {string} key The key of the property to merge.\n * @param {Object} object The parent object of `objValue`.\n * @param {Object} source The parent object of `srcValue`.\n * @param {Object} [stack] Tracks traversed source values and their merged\n * counterparts.\n * @returns {*} Returns the value to assign.\n */\n function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n if (isObject(objValue) && isObject(srcValue)) {\n // Recursively merge objects and arrays (susceptible to call stack limits).\n stack.set(srcValue, objValue);\n baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n stack['delete'](srcValue);\n }\n return objValue;\n }\n\n /**\n * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n * objects.\n *\n * @private\n * @param {*} value The value to inspect.\n * @param {string} key The key of the property to inspect.\n * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n */\n function customOmitClone(value) {\n return isPlainObject(value) ? undefined : value;\n }\n\n /**\n * A specialized version of `baseIsEqualDeep` for arrays with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Array} array The array to compare.\n * @param {Array} other The other array to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `array` and `other` objects.\n * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n */\n function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n arrLength = array.length,\n othLength = other.length;\n\n if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n return false;\n }\n // Check that cyclic values are equal.\n var arrStacked = stack.get(array);\n var othStacked = stack.get(other);\n if (arrStacked && othStacked) {\n return arrStacked == other && othStacked == array;\n }\n var index = -1,\n result = true,\n seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\n stack.set(array, other);\n stack.set(other, array);\n\n // Ignore non-index properties.\n while (++index < arrLength) {\n var arrValue = array[index],\n othValue = other[index];\n\n if (customizer) {\n var compared = isPartial\n ? customizer(othValue, arrValue, index, other, array, stack)\n : customizer(arrValue, othValue, index, array, other, stack);\n }\n if (compared !== undefined) {\n if (compared) {\n continue;\n }\n result = false;\n break;\n }\n // Recursively compare arrays (susceptible to call stack limits).\n if (seen) {\n if (!arraySome(other, function(othValue, othIndex) {\n if (!cacheHas(seen, othIndex) &&\n (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n return seen.push(othIndex);\n }\n })) {\n result = false;\n break;\n }\n } else if (!(\n arrValue === othValue ||\n equalFunc(arrValue, othValue, bitmask, customizer, stack)\n )) {\n result = false;\n break;\n }\n }\n stack['delete'](array);\n stack['delete'](other);\n return result;\n }\n\n /**\n * A specialized version of `baseIsEqualDeep` for comparing objects of\n * the same `toStringTag`.\n *\n * **Note:** This function only supports comparing values with tags of\n * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {string} tag The `toStringTag` of the objects to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\n function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n switch (tag) {\n case dataViewTag:\n if ((object.byteLength != other.byteLength) ||\n (object.byteOffset != other.byteOffset)) {\n return false;\n }\n object = object.buffer;\n other = other.buffer;\n\n case arrayBufferTag:\n if ((object.byteLength != other.byteLength) ||\n !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n return false;\n }\n return true;\n\n case boolTag:\n case dateTag:\n case numberTag:\n // Coerce booleans to `1` or `0` and dates to milliseconds.\n // Invalid dates are coerced to `NaN`.\n return eq(+object, +other);\n\n case errorTag:\n return object.name == other.name && object.message == other.message;\n\n case regexpTag:\n case stringTag:\n // Coerce regexes to strings and treat strings, primitives and objects,\n // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n // for more details.\n return object == (other + '');\n\n case mapTag:\n var convert = mapToArray;\n\n case setTag:\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n convert || (convert = setToArray);\n\n if (object.size != other.size && !isPartial) {\n return false;\n }\n // Assume cyclic values are equal.\n var stacked = stack.get(object);\n if (stacked) {\n return stacked == other;\n }\n bitmask |= COMPARE_UNORDERED_FLAG;\n\n // Recursively compare objects (susceptible to call stack limits).\n stack.set(object, other);\n var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n stack['delete'](object);\n return result;\n\n case symbolTag:\n if (symbolValueOf) {\n return symbolValueOf.call(object) == symbolValueOf.call(other);\n }\n }\n return false;\n }\n\n /**\n * A specialized version of `baseIsEqualDeep` for objects with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\n function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n objProps = getAllKeys(object),\n objLength = objProps.length,\n othProps = getAllKeys(other),\n othLength = othProps.length;\n\n if (objLength != othLength && !isPartial) {\n return false;\n }\n var index = objLength;\n while (index--) {\n var key = objProps[index];\n if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n return false;\n }\n }\n // Check that cyclic values are equal.\n var objStacked = stack.get(object);\n var othStacked = stack.get(other);\n if (objStacked && othStacked) {\n return objStacked == other && othStacked == object;\n }\n var result = true;\n stack.set(object, other);\n stack.set(other, object);\n\n var skipCtor = isPartial;\n while (++index < objLength) {\n key = objProps[index];\n var objValue = object[key],\n othValue = other[key];\n\n if (customizer) {\n var compared = isPartial\n ? customizer(othValue, objValue, key, other, object, stack)\n : customizer(objValue, othValue, key, object, other, stack);\n }\n // Recursively compare objects (susceptible to call stack limits).\n if (!(compared === undefined\n ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n : compared\n )) {\n result = false;\n break;\n }\n skipCtor || (skipCtor = key == 'constructor');\n }\n if (result && !skipCtor) {\n var objCtor = object.constructor,\n othCtor = other.constructor;\n\n // Non `Object` object instances with different constructors are not equal.\n if (objCtor != othCtor &&\n ('constructor' in object && 'constructor' in other) &&\n !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n result = false;\n }\n }\n stack['delete'](object);\n stack['delete'](other);\n return result;\n }\n\n /**\n * A specialized version of `baseRest` which flattens the rest array.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @returns {Function} Returns the new function.\n */\n function flatRest(func) {\n return setToString(overRest(func, undefined, flatten), func + '');\n }\n\n /**\n * Creates an array of own enumerable property names and symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names and symbols.\n */\n function getAllKeys(object) {\n return baseGetAllKeys(object, keys, getSymbols);\n }\n\n /**\n * Creates an array of own and inherited enumerable property names and\n * symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names and symbols.\n */\n function getAllKeysIn(object) {\n return baseGetAllKeys(object, keysIn, getSymbolsIn);\n }\n\n /**\n * Gets metadata for `func`.\n *\n * @private\n * @param {Function} func The function to query.\n * @returns {*} Returns the metadata for `func`.\n */\n var getData = !metaMap ? noop : function(func) {\n return metaMap.get(func);\n };\n\n /**\n * Gets the name of `func`.\n *\n * @private\n * @param {Function} func The function to query.\n * @returns {string} Returns the function name.\n */\n function getFuncName(func) {\n var result = (func.name + ''),\n array = realNames[result],\n length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\n while (length--) {\n var data = array[length],\n otherFunc = data.func;\n if (otherFunc == null || otherFunc == func) {\n return data.name;\n }\n }\n return result;\n }\n\n /**\n * Gets the argument placeholder value for `func`.\n *\n * @private\n * @param {Function} func The function to inspect.\n * @returns {*} Returns the placeholder value.\n */\n function getHolder(func) {\n var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n return object.placeholder;\n }\n\n /**\n * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n * this function returns the custom method, otherwise it returns `baseIteratee`.\n * If arguments are provided, the chosen function is invoked with them and\n * its result is returned.\n *\n * @private\n * @param {*} [value] The value to convert to an iteratee.\n * @param {number} [arity] The arity of the created iteratee.\n * @returns {Function} Returns the chosen function or its result.\n */\n function getIteratee() {\n var result = lodash.iteratee || iteratee;\n result = result === iteratee ? baseIteratee : result;\n return arguments.length ? result(arguments[0], arguments[1]) : result;\n }\n\n /**\n * Gets the data for `map`.\n *\n * @private\n * @param {Object} map The map to query.\n * @param {string} key The reference key.\n * @returns {*} Returns the map data.\n */\n function getMapData(map, key) {\n var data = map.__data__;\n return isKeyable(key)\n ? data[typeof key == 'string' ? 'string' : 'hash']\n : data.map;\n }\n\n /**\n * Gets the property names, values, and compare flags of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the match data of `object`.\n */\n function getMatchData(object) {\n var result = keys(object),\n length = result.length;\n\n while (length--) {\n var key = result[length],\n value = object[key];\n\n result[length] = [key, value, isStrictComparable(value)];\n }\n return result;\n }\n\n /**\n * Gets the native function at `key` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the method to get.\n * @returns {*} Returns the function if it's native, else `undefined`.\n */\n function getNative(object, key) {\n var value = getValue(object, key);\n return baseIsNative(value) ? value : undefined;\n }\n\n /**\n * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the raw `toStringTag`.\n */\n function getRawTag(value) {\n var isOwn = hasOwnProperty.call(value, symToStringTag),\n tag = value[symToStringTag];\n\n try {\n value[symToStringTag] = undefined;\n var unmasked = true;\n } catch (e) {}\n\n var result = nativeObjectToString.call(value);\n if (unmasked) {\n if (isOwn) {\n value[symToStringTag] = tag;\n } else {\n delete value[symToStringTag];\n }\n }\n return result;\n }\n\n /**\n * Creates an array of the own enumerable symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of symbols.\n */\n var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n if (object == null) {\n return [];\n }\n object = Object(object);\n return arrayFilter(nativeGetSymbols(object), function(symbol) {\n return propertyIsEnumerable.call(object, symbol);\n });\n };\n\n /**\n * Creates an array of the own and inherited enumerable symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of symbols.\n */\n var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n var result = [];\n while (object) {\n arrayPush(result, getSymbols(object));\n object = getPrototype(object);\n }\n return result;\n };\n\n /**\n * Gets the `toStringTag` of `value`.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\n var getTag = baseGetTag;\n\n // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n (Map && getTag(new Map) != mapTag) ||\n (Promise && getTag(Promise.resolve()) != promiseTag) ||\n (Set && getTag(new Set) != setTag) ||\n (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n getTag = function(value) {\n var result = baseGetTag(value),\n Ctor = result == objectTag ? value.constructor : undefined,\n ctorString = Ctor ? toSource(Ctor) : '';\n\n if (ctorString) {\n switch (ctorString) {\n case dataViewCtorString: return dataViewTag;\n case mapCtorString: return mapTag;\n case promiseCtorString: return promiseTag;\n case setCtorString: return setTag;\n case weakMapCtorString: return weakMapTag;\n }\n }\n return result;\n };\n }\n\n /**\n * Gets the view, applying any `transforms` to the `start` and `end` positions.\n *\n * @private\n * @param {number} start The start of the view.\n * @param {number} end The end of the view.\n * @param {Array} transforms The transformations to apply to the view.\n * @returns {Object} Returns an object containing the `start` and `end`\n * positions of the view.\n */\n function getView(start, end, transforms) {\n var index = -1,\n length = transforms.length;\n\n while (++index < length) {\n var data = transforms[index],\n size = data.size;\n\n switch (data.type) {\n case 'drop': start += size; break;\n case 'dropRight': end -= size; break;\n case 'take': end = nativeMin(end, start + size); break;\n case 'takeRight': start = nativeMax(start, end - size); break;\n }\n }\n return { 'start': start, 'end': end };\n }\n\n /**\n * Extracts wrapper details from the `source` body comment.\n *\n * @private\n * @param {string} source The source to inspect.\n * @returns {Array} Returns the wrapper details.\n */\n function getWrapDetails(source) {\n var match = source.match(reWrapDetails);\n return match ? match[1].split(reSplitDetails) : [];\n }\n\n /**\n * Checks if `path` exists on `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @param {Function} hasFunc The function to check properties.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n */\n function hasPath(object, path, hasFunc) {\n path = castPath(path, object);\n\n var index = -1,\n length = path.length,\n result = false;\n\n while (++index < length) {\n var key = toKey(path[index]);\n if (!(result = object != null && hasFunc(object, key))) {\n break;\n }\n object = object[key];\n }\n if (result || ++index != length) {\n return result;\n }\n length = object == null ? 0 : object.length;\n return !!length && isLength(length) && isIndex(key, length) &&\n (isArray(object) || isArguments(object));\n }\n\n /**\n * Initializes an array clone.\n *\n * @private\n * @param {Array} array The array to clone.\n * @returns {Array} Returns the initialized clone.\n */\n function initCloneArray(array) {\n var length = array.length,\n result = new array.constructor(length);\n\n // Add properties assigned by `RegExp#exec`.\n if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n result.index = array.index;\n result.input = array.input;\n }\n return result;\n }\n\n /**\n * Initializes an object clone.\n *\n * @private\n * @param {Object} object The object to clone.\n * @returns {Object} Returns the initialized clone.\n */\n function initCloneObject(object) {\n return (typeof object.constructor == 'function' && !isPrototype(object))\n ? baseCreate(getPrototype(object))\n : {};\n }\n\n /**\n * Initializes an object clone based on its `toStringTag`.\n *\n * **Note:** This function only supports cloning values with tags of\n * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.\n *\n * @private\n * @param {Object} object The object to clone.\n * @param {string} tag The `toStringTag` of the object to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the initialized clone.\n */\n function initCloneByTag(object, tag, isDeep) {\n var Ctor = object.constructor;\n switch (tag) {\n case arrayBufferTag:\n return cloneArrayBuffer(object);\n\n case boolTag:\n case dateTag:\n return new Ctor(+object);\n\n case dataViewTag:\n return cloneDataView(object, isDeep);\n\n case float32Tag: case float64Tag:\n case int8Tag: case int16Tag: case int32Tag:\n case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n return cloneTypedArray(object, isDeep);\n\n case mapTag:\n return new Ctor;\n\n case numberTag:\n case stringTag:\n return new Ctor(object);\n\n case regexpTag:\n return cloneRegExp(object);\n\n case setTag:\n return new Ctor;\n\n case symbolTag:\n return cloneSymbol(object);\n }\n }\n\n /**\n * Inserts wrapper `details` in a comment at the top of the `source` body.\n *\n * @private\n * @param {string} source The source to modify.\n * @returns {Array} details The details to insert.\n * @returns {string} Returns the modified source.\n */\n function insertWrapDetails(source, details) {\n var length = details.length;\n if (!length) {\n return source;\n }\n var lastIndex = length - 1;\n details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n details = details.join(length > 2 ? ', ' : ' ');\n return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n }\n\n /**\n * Checks if `value` is a flattenable `arguments` object or array.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n */\n function isFlattenable(value) {\n return isArray(value) || isArguments(value) ||\n !!(spreadableSymbol && value && value[spreadableSymbol]);\n }\n\n /**\n * Checks if `value` is a valid array-like index.\n *\n * @private\n * @param {*} value The value to check.\n * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n */\n function isIndex(value, length) {\n var type = typeof value;\n length = length == null ? MAX_SAFE_INTEGER : length;\n\n return !!length &&\n (type == 'number' ||\n (type != 'symbol' && reIsUint.test(value))) &&\n (value > -1 && value % 1 == 0 && value < length);\n }\n\n /**\n * Checks if the given arguments are from an iteratee call.\n *\n * @private\n * @param {*} value The potential iteratee value argument.\n * @param {*} index The potential iteratee index or key argument.\n * @param {*} object The potential iteratee object argument.\n * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n * else `false`.\n */\n function isIterateeCall(value, index, object) {\n if (!isObject(object)) {\n return false;\n }\n var type = typeof index;\n if (type == 'number'\n ? (isArrayLike(object) && isIndex(index, object.length))\n : (type == 'string' && index in object)\n ) {\n return eq(object[index], value);\n }\n return false;\n }\n\n /**\n * Checks if `value` is a property name and not a property path.\n *\n * @private\n * @param {*} value The value to check.\n * @param {Object} [object] The object to query keys on.\n * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n */\n function isKey(value, object) {\n if (isArray(value)) {\n return false;\n }\n var type = typeof value;\n if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n value == null || isSymbol(value)) {\n return true;\n }\n return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n (object != null && value in Object(object));\n }\n\n /**\n * Checks if `value` is suitable for use as unique object key.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n */\n function isKeyable(value) {\n var type = typeof value;\n return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n ? (value !== '__proto__')\n : (value === null);\n }\n\n /**\n * Checks if `func` has a lazy counterpart.\n *\n * @private\n * @param {Function} func The function to check.\n * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n * else `false`.\n */\n function isLaziable(func) {\n var funcName = getFuncName(func),\n other = lodash[funcName];\n\n if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n return false;\n }\n if (func === other) {\n return true;\n }\n var data = getData(other);\n return !!data && func === data[0];\n }\n\n /**\n * Checks if `func` has its source masked.\n *\n * @private\n * @param {Function} func The function to check.\n * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n */\n function isMasked(func) {\n return !!maskSrcKey && (maskSrcKey in func);\n }\n\n /**\n * Checks if `func` is capable of being masked.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n */\n var isMaskable = coreJsData ? isFunction : stubFalse;\n\n /**\n * Checks if `value` is likely a prototype object.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n */\n function isPrototype(value) {\n var Ctor = value && value.constructor,\n proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n return value === proto;\n }\n\n /**\n * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` if suitable for strict\n * equality comparisons, else `false`.\n */\n function isStrictComparable(value) {\n return value === value && !isObject(value);\n }\n\n /**\n * A specialized version of `matchesProperty` for source values suitable\n * for strict equality comparisons, i.e. `===`.\n *\n * @private\n * @param {string} key The key of the property to get.\n * @param {*} srcValue The value to match.\n * @returns {Function} Returns the new spec function.\n */\n function matchesStrictComparable(key, srcValue) {\n return function(object) {\n if (object == null) {\n return false;\n }\n return object[key] === srcValue &&\n (srcValue !== undefined || (key in Object(object)));\n };\n }\n\n /**\n * A specialized version of `_.memoize` which clears the memoized function's\n * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n *\n * @private\n * @param {Function} func The function to have its output memoized.\n * @returns {Function} Returns the new memoized function.\n */\n function memoizeCapped(func) {\n var result = memoize(func, function(key) {\n if (cache.size === MAX_MEMOIZE_SIZE) {\n cache.clear();\n }\n return key;\n });\n\n var cache = result.cache;\n return result;\n }\n\n /**\n * Merges the function metadata of `source` into `data`.\n *\n * Merging metadata reduces the number of wrappers used to invoke a function.\n * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n * may be applied regardless of execution order. Methods like `_.ary` and\n * `_.rearg` modify function arguments, making the order in which they are\n * executed important, preventing the merging of metadata. However, we make\n * an exception for a safe combined case where curried functions have `_.ary`\n * and or `_.rearg` applied.\n *\n * @private\n * @param {Array} data The destination metadata.\n * @param {Array} source The source metadata.\n * @returns {Array} Returns `data`.\n */\n function mergeData(data, source) {\n var bitmask = data[1],\n srcBitmask = source[1],\n newBitmask = bitmask | srcBitmask,\n isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\n var isCombo =\n ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\n // Exit early if metadata can't be merged.\n if (!(isCommon || isCombo)) {\n return data;\n }\n // Use source `thisArg` if available.\n if (srcBitmask & WRAP_BIND_FLAG) {\n data[2] = source[2];\n // Set when currying a bound function.\n newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n }\n // Compose partial arguments.\n var value = source[3];\n if (value) {\n var partials = data[3];\n data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n }\n // Compose partial right arguments.\n value = source[5];\n if (value) {\n partials = data[5];\n data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n }\n // Use source `argPos` if available.\n value = source[7];\n if (value) {\n data[7] = value;\n }\n // Use source `ary` if it's smaller.\n if (srcBitmask & WRAP_ARY_FLAG) {\n data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n }\n // Use source `arity` if one is not provided.\n if (data[9] == null) {\n data[9] = source[9];\n }\n // Use source `func` and merge bitmasks.\n data[0] = source[0];\n data[1] = newBitmask;\n\n return data;\n }\n\n /**\n * This function is like\n * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * except that it includes inherited enumerable properties.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\n function nativeKeysIn(object) {\n var result = [];\n if (object != null) {\n for (var key in Object(object)) {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * Converts `value` to a string using `Object.prototype.toString`.\n *\n * @private\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n */\n function objectToString(value) {\n return nativeObjectToString.call(value);\n }\n\n /**\n * A specialized version of `baseRest` which transforms the rest array.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @param {Function} transform The rest array transform.\n * @returns {Function} Returns the new function.\n */\n function overRest(func, start, transform) {\n start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n return function() {\n var args = arguments,\n index = -1,\n length = nativeMax(args.length - start, 0),\n array = Array(length);\n\n while (++index < length) {\n array[index] = args[start + index];\n }\n index = -1;\n var otherArgs = Array(start + 1);\n while (++index < start) {\n otherArgs[index] = args[index];\n }\n otherArgs[start] = transform(array);\n return apply(func, this, otherArgs);\n };\n }\n\n /**\n * Gets the parent value at `path` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} path The path to get the parent value of.\n * @returns {*} Returns the parent value.\n */\n function parent(object, path) {\n return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n }\n\n /**\n * Reorder `array` according to the specified indexes where the element at\n * the first index is assigned as the first element, the element at\n * the second index is assigned as the second element, and so on.\n *\n * @private\n * @param {Array} array The array to reorder.\n * @param {Array} indexes The arranged array indexes.\n * @returns {Array} Returns `array`.\n */\n function reorder(array, indexes) {\n var arrLength = array.length,\n length = nativeMin(indexes.length, arrLength),\n oldArray = copyArray(array);\n\n while (length--) {\n var index = indexes[length];\n array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n }\n return array;\n }\n\n /**\n * Gets the value at `key`, unless `key` is \"__proto__\" or \"constructor\".\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\n function safeGet(object, key) {\n if (key === 'constructor' && typeof object[key] === 'function') {\n return;\n }\n\n if (key == '__proto__') {\n return;\n }\n\n return object[key];\n }\n\n /**\n * Sets metadata for `func`.\n *\n * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n * period of time, it will trip its breaker and transition to an identity\n * function to avoid garbage collection pauses in V8. See\n * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n * for more details.\n *\n * @private\n * @param {Function} func The function to associate metadata with.\n * @param {*} data The metadata.\n * @returns {Function} Returns `func`.\n */\n var setData = shortOut(baseSetData);\n\n /**\n * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n *\n * @private\n * @param {Function} func The function to delay.\n * @param {number} wait The number of milliseconds to delay invocation.\n * @returns {number|Object} Returns the timer id or timeout object.\n */\n var setTimeout = ctxSetTimeout || function(func, wait) {\n return root.setTimeout(func, wait);\n };\n\n /**\n * Sets the `toString` method of `func` to return `string`.\n *\n * @private\n * @param {Function} func The function to modify.\n * @param {Function} string The `toString` result.\n * @returns {Function} Returns `func`.\n */\n var setToString = shortOut(baseSetToString);\n\n /**\n * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n * with wrapper details in a comment at the top of the source body.\n *\n * @private\n * @param {Function} wrapper The function to modify.\n * @param {Function} reference The reference function.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @returns {Function} Returns `wrapper`.\n */\n function setWrapToString(wrapper, reference, bitmask) {\n var source = (reference + '');\n return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n }\n\n /**\n * Creates a function that'll short out and invoke `identity` instead\n * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n * milliseconds.\n *\n * @private\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new shortable function.\n */\n function shortOut(func) {\n var count = 0,\n lastCalled = 0;\n\n return function() {\n var stamp = nativeNow(),\n remaining = HOT_SPAN - (stamp - lastCalled);\n\n lastCalled = stamp;\n if (remaining > 0) {\n if (++count >= HOT_COUNT) {\n return arguments[0];\n }\n } else {\n count = 0;\n }\n return func.apply(undefined, arguments);\n };\n }\n\n /**\n * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n *\n * @private\n * @param {Array} array The array to shuffle.\n * @param {number} [size=array.length] The size of `array`.\n * @returns {Array} Returns `array`.\n */\n function shuffleSelf(array, size) {\n var index = -1,\n length = array.length,\n lastIndex = length - 1;\n\n size = size === undefined ? length : size;\n while (++index < size) {\n var rand = baseRandom(index, lastIndex),\n value = array[rand];\n\n array[rand] = array[index];\n array[index] = value;\n }\n array.length = size;\n return array;\n }\n\n /**\n * Converts `string` to a property path array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the property path array.\n */\n var stringToPath = memoizeCapped(function(string) {\n var result = [];\n if (string.charCodeAt(0) === 46 /* . */) {\n result.push('');\n }\n string.replace(rePropName, function(match, number, quote, subString) {\n result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));\n });\n return result;\n });\n\n /**\n * Converts `value` to a string key if it's not a string or symbol.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {string|symbol} Returns the key.\n */\n function toKey(value) {\n if (typeof value == 'string' || isSymbol(value)) {\n return value;\n }\n var result = (value + '');\n return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n }\n\n /**\n * Converts `func` to its source code.\n *\n * @private\n * @param {Function} func The function to convert.\n * @returns {string} Returns the source code.\n */\n function toSource(func) {\n if (func != null) {\n try {\n return funcToString.call(func);\n } catch (e) {}\n try {\n return (func + '');\n } catch (e) {}\n }\n return '';\n }\n\n /**\n * Updates wrapper `details` based on `bitmask` flags.\n *\n * @private\n * @returns {Array} details The details to modify.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @returns {Array} Returns `details`.\n */\n function updateWrapDetails(details, bitmask) {\n arrayEach(wrapFlags, function(pair) {\n var value = '_.' + pair[0];\n if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n details.push(value);\n }\n });\n return details.sort();\n }\n\n /**\n * Creates a clone of `wrapper`.\n *\n * @private\n * @param {Object} wrapper The wrapper to clone.\n * @returns {Object} Returns the cloned wrapper.\n */\n function wrapperClone(wrapper) {\n if (wrapper instanceof LazyWrapper) {\n return wrapper.clone();\n }\n var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n result.__actions__ = copyArray(wrapper.__actions__);\n result.__index__ = wrapper.__index__;\n result.__values__ = wrapper.__values__;\n return result;\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an array of elements split into groups the length of `size`.\n * If `array` can't be split evenly, the final chunk will be the remaining\n * elements.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to process.\n * @param {number} [size=1] The length of each chunk\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the new array of chunks.\n * @example\n *\n * _.chunk(['a', 'b', 'c', 'd'], 2);\n * // => [['a', 'b'], ['c', 'd']]\n *\n * _.chunk(['a', 'b', 'c', 'd'], 3);\n * // => [['a', 'b', 'c'], ['d']]\n */\n function chunk(array, size, guard) {\n if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n size = 1;\n } else {\n size = nativeMax(toInteger(size), 0);\n }\n var length = array == null ? 0 : array.length;\n if (!length || size < 1) {\n return [];\n }\n var index = 0,\n resIndex = 0,\n result = Array(nativeCeil(length / size));\n\n while (index < length) {\n result[resIndex++] = baseSlice(array, index, (index += size));\n }\n return result;\n }\n\n /**\n * Creates an array with all falsey values removed. The values `false`, `null`,\n * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to compact.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * _.compact([0, 1, false, 2, '', 3]);\n * // => [1, 2, 3]\n */\n function compact(array) {\n var index = -1,\n length = array == null ? 0 : array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index];\n if (value) {\n result[resIndex++] = value;\n }\n }\n return result;\n }\n\n /**\n * Creates a new array concatenating `array` with any additional arrays\n * and/or values.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to concatenate.\n * @param {...*} [values] The values to concatenate.\n * @returns {Array} Returns the new concatenated array.\n * @example\n *\n * var array = [1];\n * var other = _.concat(array, 2, [3], [[4]]);\n *\n * console.log(other);\n * // => [1, 2, 3, [4]]\n *\n * console.log(array);\n * // => [1]\n */\n function concat() {\n var length = arguments.length;\n if (!length) {\n return [];\n }\n var args = Array(length - 1),\n array = arguments[0],\n index = length;\n\n while (index--) {\n args[index - 1] = arguments[index];\n }\n return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n }\n\n /**\n * Creates an array of `array` values not included in the other given arrays\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons. The order and references of result values are\n * determined by the first array.\n *\n * **Note:** Unlike `_.pullAll`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...Array} [values] The values to exclude.\n * @returns {Array} Returns the new array of filtered values.\n * @see _.without, _.xor\n * @example\n *\n * _.difference([2, 1], [2, 3]);\n * // => [1]\n */\n var difference = baseRest(function(array, values) {\n return isArrayLikeObject(array)\n ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n : [];\n });\n\n /**\n * This method is like `_.difference` except that it accepts `iteratee` which\n * is invoked for each element of `array` and `values` to generate the criterion\n * by which they're compared. The order and references of result values are\n * determined by the first array. The iteratee is invoked with one argument:\n * (value).\n *\n * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...Array} [values] The values to exclude.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n * // => [1.2]\n *\n * // The `_.property` iteratee shorthand.\n * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n * // => [{ 'x': 2 }]\n */\n var differenceBy = baseRest(function(array, values) {\n var iteratee = last(values);\n if (isArrayLikeObject(iteratee)) {\n iteratee = undefined;\n }\n return isArrayLikeObject(array)\n ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n : [];\n });\n\n /**\n * This method is like `_.difference` except that it accepts `comparator`\n * which is invoked to compare elements of `array` to `values`. The order and\n * references of result values are determined by the first array. The comparator\n * is invoked with two arguments: (arrVal, othVal).\n *\n * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...Array} [values] The values to exclude.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n *\n * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n * // => [{ 'x': 2, 'y': 1 }]\n */\n var differenceWith = baseRest(function(array, values) {\n var comparator = last(values);\n if (isArrayLikeObject(comparator)) {\n comparator = undefined;\n }\n return isArrayLikeObject(array)\n ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n : [];\n });\n\n /**\n * Creates a slice of `array` with `n` elements dropped from the beginning.\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to drop.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.drop([1, 2, 3]);\n * // => [2, 3]\n *\n * _.drop([1, 2, 3], 2);\n * // => [3]\n *\n * _.drop([1, 2, 3], 5);\n * // => []\n *\n * _.drop([1, 2, 3], 0);\n * // => [1, 2, 3]\n */\n function drop(array, n, guard) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n return baseSlice(array, n < 0 ? 0 : n, length);\n }\n\n /**\n * Creates a slice of `array` with `n` elements dropped from the end.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to drop.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.dropRight([1, 2, 3]);\n * // => [1, 2]\n *\n * _.dropRight([1, 2, 3], 2);\n * // => [1]\n *\n * _.dropRight([1, 2, 3], 5);\n * // => []\n *\n * _.dropRight([1, 2, 3], 0);\n * // => [1, 2, 3]\n */\n function dropRight(array, n, guard) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n n = length - n;\n return baseSlice(array, 0, n < 0 ? 0 : n);\n }\n\n /**\n * Creates a slice of `array` excluding elements dropped from the end.\n * Elements are dropped until `predicate` returns falsey. The predicate is\n * invoked with three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': false }\n * ];\n *\n * _.dropRightWhile(users, function(o) { return !o.active; });\n * // => objects for ['barney']\n *\n * // The `_.matches` iteratee shorthand.\n * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n * // => objects for ['barney', 'fred']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.dropRightWhile(users, ['active', false]);\n * // => objects for ['barney']\n *\n * // The `_.property` iteratee shorthand.\n * _.dropRightWhile(users, 'active');\n * // => objects for ['barney', 'fred', 'pebbles']\n */\n function dropRightWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3), true, true)\n : [];\n }\n\n /**\n * Creates a slice of `array` excluding elements dropped from the beginning.\n * Elements are dropped until `predicate` returns falsey. The predicate is\n * invoked with three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': false },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': true }\n * ];\n *\n * _.dropWhile(users, function(o) { return !o.active; });\n * // => objects for ['pebbles']\n *\n * // The `_.matches` iteratee shorthand.\n * _.dropWhile(users, { 'user': 'barney', 'active': false });\n * // => objects for ['fred', 'pebbles']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.dropWhile(users, ['active', false]);\n * // => objects for ['pebbles']\n *\n * // The `_.property` iteratee shorthand.\n * _.dropWhile(users, 'active');\n * // => objects for ['barney', 'fred', 'pebbles']\n */\n function dropWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3), true)\n : [];\n }\n\n /**\n * Fills elements of `array` with `value` from `start` up to, but not\n * including, `end`.\n *\n * **Note:** This method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 3.2.0\n * @category Array\n * @param {Array} array The array to fill.\n * @param {*} value The value to fill `array` with.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [1, 2, 3];\n *\n * _.fill(array, 'a');\n * console.log(array);\n * // => ['a', 'a', 'a']\n *\n * _.fill(Array(3), 2);\n * // => [2, 2, 2]\n *\n * _.fill([4, 6, 8, 10], '*', 1, 3);\n * // => [4, '*', '*', 10]\n */\n function fill(array, value, start, end) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n start = 0;\n end = length;\n }\n return baseFill(array, value, start, end);\n }\n\n /**\n * This method is like `_.find` except that it returns the index of the first\n * element `predicate` returns truthy for instead of the element itself.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=0] The index to search from.\n * @returns {number} Returns the index of the found element, else `-1`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': false },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': true }\n * ];\n *\n * _.findIndex(users, function(o) { return o.user == 'barney'; });\n * // => 0\n *\n * // The `_.matches` iteratee shorthand.\n * _.findIndex(users, { 'user': 'fred', 'active': false });\n * // => 1\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findIndex(users, ['active', false]);\n * // => 0\n *\n * // The `_.property` iteratee shorthand.\n * _.findIndex(users, 'active');\n * // => 2\n */\n function findIndex(array, predicate, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = fromIndex == null ? 0 : toInteger(fromIndex);\n if (index < 0) {\n index = nativeMax(length + index, 0);\n }\n return baseFindIndex(array, getIteratee(predicate, 3), index);\n }\n\n /**\n * This method is like `_.findIndex` except that it iterates over elements\n * of `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=array.length-1] The index to search from.\n * @returns {number} Returns the index of the found element, else `-1`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': false }\n * ];\n *\n * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n * // => 2\n *\n * // The `_.matches` iteratee shorthand.\n * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n * // => 0\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findLastIndex(users, ['active', false]);\n * // => 2\n *\n * // The `_.property` iteratee shorthand.\n * _.findLastIndex(users, 'active');\n * // => 0\n */\n function findLastIndex(array, predicate, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = length - 1;\n if (fromIndex !== undefined) {\n index = toInteger(fromIndex);\n index = fromIndex < 0\n ? nativeMax(length + index, 0)\n : nativeMin(index, length - 1);\n }\n return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n }\n\n /**\n * Flattens `array` a single level deep.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to flatten.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * _.flatten([1, [2, [3, [4]], 5]]);\n * // => [1, 2, [3, [4]], 5]\n */\n function flatten(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseFlatten(array, 1) : [];\n }\n\n /**\n * Recursively flattens `array`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to flatten.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * _.flattenDeep([1, [2, [3, [4]], 5]]);\n * // => [1, 2, 3, 4, 5]\n */\n function flattenDeep(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseFlatten(array, INFINITY) : [];\n }\n\n /**\n * Recursively flatten `array` up to `depth` times.\n *\n * @static\n * @memberOf _\n * @since 4.4.0\n * @category Array\n * @param {Array} array The array to flatten.\n * @param {number} [depth=1] The maximum recursion depth.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * var array = [1, [2, [3, [4]], 5]];\n *\n * _.flattenDepth(array, 1);\n * // => [1, 2, [3, [4]], 5]\n *\n * _.flattenDepth(array, 2);\n * // => [1, 2, 3, [4], 5]\n */\n function flattenDepth(array, depth) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n depth = depth === undefined ? 1 : toInteger(depth);\n return baseFlatten(array, depth);\n }\n\n /**\n * The inverse of `_.toPairs`; this method returns an object composed\n * from key-value `pairs`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} pairs The key-value pairs.\n * @returns {Object} Returns the new object.\n * @example\n *\n * _.fromPairs([['a', 1], ['b', 2]]);\n * // => { 'a': 1, 'b': 2 }\n */\n function fromPairs(pairs) {\n var index = -1,\n length = pairs == null ? 0 : pairs.length,\n result = {};\n\n while (++index < length) {\n var pair = pairs[index];\n result[pair[0]] = pair[1];\n }\n return result;\n }\n\n /**\n * Gets the first element of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @alias first\n * @category Array\n * @param {Array} array The array to query.\n * @returns {*} Returns the first element of `array`.\n * @example\n *\n * _.head([1, 2, 3]);\n * // => 1\n *\n * _.head([]);\n * // => undefined\n */\n function head(array) {\n return (array && array.length) ? array[0] : undefined;\n }\n\n /**\n * Gets the index at which the first occurrence of `value` is found in `array`\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons. If `fromIndex` is negative, it's used as the\n * offset from the end of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} [fromIndex=0] The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.indexOf([1, 2, 1, 2], 2);\n * // => 1\n *\n * // Search from the `fromIndex`.\n * _.indexOf([1, 2, 1, 2], 2, 2);\n * // => 3\n */\n function indexOf(array, value, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = fromIndex == null ? 0 : toInteger(fromIndex);\n if (index < 0) {\n index = nativeMax(length + index, 0);\n }\n return baseIndexOf(array, value, index);\n }\n\n /**\n * Gets all but the last element of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to query.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.initial([1, 2, 3]);\n * // => [1, 2]\n */\n function initial(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseSlice(array, 0, -1) : [];\n }\n\n /**\n * Creates an array of unique values that are included in all given arrays\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons. The order and references of result values are\n * determined by the first array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @returns {Array} Returns the new array of intersecting values.\n * @example\n *\n * _.intersection([2, 1], [2, 3]);\n * // => [2]\n */\n var intersection = baseRest(function(arrays) {\n var mapped = arrayMap(arrays, castArrayLikeObject);\n return (mapped.length && mapped[0] === arrays[0])\n ? baseIntersection(mapped)\n : [];\n });\n\n /**\n * This method is like `_.intersection` except that it accepts `iteratee`\n * which is invoked for each element of each `arrays` to generate the criterion\n * by which they're compared. The order and references of result values are\n * determined by the first array. The iteratee is invoked with one argument:\n * (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of intersecting values.\n * @example\n *\n * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n * // => [2.1]\n *\n * // The `_.property` iteratee shorthand.\n * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 1 }]\n */\n var intersectionBy = baseRest(function(arrays) {\n var iteratee = last(arrays),\n mapped = arrayMap(arrays, castArrayLikeObject);\n\n if (iteratee === last(mapped)) {\n iteratee = undefined;\n } else {\n mapped.pop();\n }\n return (mapped.length && mapped[0] === arrays[0])\n ? baseIntersection(mapped, getIteratee(iteratee, 2))\n : [];\n });\n\n /**\n * This method is like `_.intersection` except that it accepts `comparator`\n * which is invoked to compare elements of `arrays`. The order and references\n * of result values are determined by the first array. The comparator is\n * invoked with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of intersecting values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.intersectionWith(objects, others, _.isEqual);\n * // => [{ 'x': 1, 'y': 2 }]\n */\n var intersectionWith = baseRest(function(arrays) {\n var comparator = last(arrays),\n mapped = arrayMap(arrays, castArrayLikeObject);\n\n comparator = typeof comparator == 'function' ? comparator : undefined;\n if (comparator) {\n mapped.pop();\n }\n return (mapped.length && mapped[0] === arrays[0])\n ? baseIntersection(mapped, undefined, comparator)\n : [];\n });\n\n /**\n * Converts all elements in `array` into a string separated by `separator`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to convert.\n * @param {string} [separator=','] The element separator.\n * @returns {string} Returns the joined string.\n * @example\n *\n * _.join(['a', 'b', 'c'], '~');\n * // => 'a~b~c'\n */\n function join(array, separator) {\n return array == null ? '' : nativeJoin.call(array, separator);\n }\n\n /**\n * Gets the last element of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to query.\n * @returns {*} Returns the last element of `array`.\n * @example\n *\n * _.last([1, 2, 3]);\n * // => 3\n */\n function last(array) {\n var length = array == null ? 0 : array.length;\n return length ? array[length - 1] : undefined;\n }\n\n /**\n * This method is like `_.indexOf` except that it iterates over elements of\n * `array` from right to left.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} [fromIndex=array.length-1] The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.lastIndexOf([1, 2, 1, 2], 2);\n * // => 3\n *\n * // Search from the `fromIndex`.\n * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n * // => 1\n */\n function lastIndexOf(array, value, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = length;\n if (fromIndex !== undefined) {\n index = toInteger(fromIndex);\n index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n }\n return value === value\n ? strictLastIndexOf(array, value, index)\n : baseFindIndex(array, baseIsNaN, index, true);\n }\n\n /**\n * Gets the element at index `n` of `array`. If `n` is negative, the nth\n * element from the end is returned.\n *\n * @static\n * @memberOf _\n * @since 4.11.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=0] The index of the element to return.\n * @returns {*} Returns the nth element of `array`.\n * @example\n *\n * var array = ['a', 'b', 'c', 'd'];\n *\n * _.nth(array, 1);\n * // => 'b'\n *\n * _.nth(array, -2);\n * // => 'c';\n */\n function nth(array, n) {\n return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n }\n\n /**\n * Removes all given values from `array` using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n * to remove elements from an array by predicate.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {...*} [values] The values to remove.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n *\n * _.pull(array, 'a', 'c');\n * console.log(array);\n * // => ['b', 'b']\n */\n var pull = baseRest(pullAll);\n\n /**\n * This method is like `_.pull` except that it accepts an array of values to remove.\n *\n * **Note:** Unlike `_.difference`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n *\n * _.pullAll(array, ['a', 'c']);\n * console.log(array);\n * // => ['b', 'b']\n */\n function pullAll(array, values) {\n return (array && array.length && values && values.length)\n ? basePullAll(array, values)\n : array;\n }\n\n /**\n * This method is like `_.pullAll` except that it accepts `iteratee` which is\n * invoked for each element of `array` and `values` to generate the criterion\n * by which they're compared. The iteratee is invoked with one argument: (value).\n *\n * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n *\n * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n * console.log(array);\n * // => [{ 'x': 2 }]\n */\n function pullAllBy(array, values, iteratee) {\n return (array && array.length && values && values.length)\n ? basePullAll(array, values, getIteratee(iteratee, 2))\n : array;\n }\n\n /**\n * This method is like `_.pullAll` except that it accepts `comparator` which\n * is invoked to compare elements of `array` to `values`. The comparator is\n * invoked with two arguments: (arrVal, othVal).\n *\n * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n *\n * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n * console.log(array);\n * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n */\n function pullAllWith(array, values, comparator) {\n return (array && array.length && values && values.length)\n ? basePullAll(array, values, undefined, comparator)\n : array;\n }\n\n /**\n * Removes elements from `array` corresponding to `indexes` and returns an\n * array of removed elements.\n *\n * **Note:** Unlike `_.at`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n * @returns {Array} Returns the new array of removed elements.\n * @example\n *\n * var array = ['a', 'b', 'c', 'd'];\n * var pulled = _.pullAt(array, [1, 3]);\n *\n * console.log(array);\n * // => ['a', 'c']\n *\n * console.log(pulled);\n * // => ['b', 'd']\n */\n var pullAt = flatRest(function(array, indexes) {\n var length = array == null ? 0 : array.length,\n result = baseAt(array, indexes);\n\n basePullAt(array, arrayMap(indexes, function(index) {\n return isIndex(index, length) ? +index : index;\n }).sort(compareAscending));\n\n return result;\n });\n\n /**\n * Removes all elements from `array` that `predicate` returns truthy for\n * and returns an array of the removed elements. The predicate is invoked\n * with three arguments: (value, index, array).\n *\n * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n * to pull elements from an array by value.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new array of removed elements.\n * @example\n *\n * var array = [1, 2, 3, 4];\n * var evens = _.remove(array, function(n) {\n * return n % 2 == 0;\n * });\n *\n * console.log(array);\n * // => [1, 3]\n *\n * console.log(evens);\n * // => [2, 4]\n */\n function remove(array, predicate) {\n var result = [];\n if (!(array && array.length)) {\n return result;\n }\n var index = -1,\n indexes = [],\n length = array.length;\n\n predicate = getIteratee(predicate, 3);\n while (++index < length) {\n var value = array[index];\n if (predicate(value, index, array)) {\n result.push(value);\n indexes.push(index);\n }\n }\n basePullAt(array, indexes);\n return result;\n }\n\n /**\n * Reverses `array` so that the first element becomes the last, the second\n * element becomes the second to last, and so on.\n *\n * **Note:** This method mutates `array` and is based on\n * [`Array#reverse`](https://mdn.io/Array/reverse).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [1, 2, 3];\n *\n * _.reverse(array);\n * // => [3, 2, 1]\n *\n * console.log(array);\n * // => [3, 2, 1]\n */\n function reverse(array) {\n return array == null ? array : nativeReverse.call(array);\n }\n\n /**\n * Creates a slice of `array` from `start` up to, but not including, `end`.\n *\n * **Note:** This method is used instead of\n * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n * returned.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to slice.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the slice of `array`.\n */\n function slice(array, start, end) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n start = 0;\n end = length;\n }\n else {\n start = start == null ? 0 : toInteger(start);\n end = end === undefined ? length : toInteger(end);\n }\n return baseSlice(array, start, end);\n }\n\n /**\n * Uses a binary search to determine the lowest index at which `value`\n * should be inserted into `array` in order to maintain its sort order.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * _.sortedIndex([30, 50], 40);\n * // => 1\n */\n function sortedIndex(array, value) {\n return baseSortedIndex(array, value);\n }\n\n /**\n * This method is like `_.sortedIndex` except that it accepts `iteratee`\n * which is invoked for `value` and each element of `array` to compute their\n * sort ranking. The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * var objects = [{ 'x': 4 }, { 'x': 5 }];\n *\n * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n * // => 0\n *\n * // The `_.property` iteratee shorthand.\n * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n * // => 0\n */\n function sortedIndexBy(array, value, iteratee) {\n return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n }\n\n /**\n * This method is like `_.indexOf` except that it performs a binary\n * search on a sorted `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n * // => 1\n */\n function sortedIndexOf(array, value) {\n var length = array == null ? 0 : array.length;\n if (length) {\n var index = baseSortedIndex(array, value);\n if (index < length && eq(array[index], value)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * This method is like `_.sortedIndex` except that it returns the highest\n * index at which `value` should be inserted into `array` in order to\n * maintain its sort order.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n * // => 4\n */\n function sortedLastIndex(array, value) {\n return baseSortedIndex(array, value, true);\n }\n\n /**\n * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n * which is invoked for `value` and each element of `array` to compute their\n * sort ranking. The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * var objects = [{ 'x': 4 }, { 'x': 5 }];\n *\n * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n * // => 1\n *\n * // The `_.property` iteratee shorthand.\n * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n * // => 1\n */\n function sortedLastIndexBy(array, value, iteratee) {\n return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n }\n\n /**\n * This method is like `_.lastIndexOf` except that it performs a binary\n * search on a sorted `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n * // => 3\n */\n function sortedLastIndexOf(array, value) {\n var length = array == null ? 0 : array.length;\n if (length) {\n var index = baseSortedIndex(array, value, true) - 1;\n if (eq(array[index], value)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * This method is like `_.uniq` except that it's designed and optimized\n * for sorted arrays.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.sortedUniq([1, 1, 2]);\n * // => [1, 2]\n */\n function sortedUniq(array) {\n return (array && array.length)\n ? baseSortedUniq(array)\n : [];\n }\n\n /**\n * This method is like `_.uniqBy` except that it's designed and optimized\n * for sorted arrays.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n * // => [1.1, 2.3]\n */\n function sortedUniqBy(array, iteratee) {\n return (array && array.length)\n ? baseSortedUniq(array, getIteratee(iteratee, 2))\n : [];\n }\n\n /**\n * Gets all but the first element of `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.tail([1, 2, 3]);\n * // => [2, 3]\n */\n function tail(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseSlice(array, 1, length) : [];\n }\n\n /**\n * Creates a slice of `array` with `n` elements taken from the beginning.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to take.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.take([1, 2, 3]);\n * // => [1]\n *\n * _.take([1, 2, 3], 2);\n * // => [1, 2]\n *\n * _.take([1, 2, 3], 5);\n * // => [1, 2, 3]\n *\n * _.take([1, 2, 3], 0);\n * // => []\n */\n function take(array, n, guard) {\n if (!(array && array.length)) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n return baseSlice(array, 0, n < 0 ? 0 : n);\n }\n\n /**\n * Creates a slice of `array` with `n` elements taken from the end.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to take.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.takeRight([1, 2, 3]);\n * // => [3]\n *\n * _.takeRight([1, 2, 3], 2);\n * // => [2, 3]\n *\n * _.takeRight([1, 2, 3], 5);\n * // => [1, 2, 3]\n *\n * _.takeRight([1, 2, 3], 0);\n * // => []\n */\n function takeRight(array, n, guard) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n n = length - n;\n return baseSlice(array, n < 0 ? 0 : n, length);\n }\n\n /**\n * Creates a slice of `array` with elements taken from the end. Elements are\n * taken until `predicate` returns falsey. The predicate is invoked with\n * three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': false }\n * ];\n *\n * _.takeRightWhile(users, function(o) { return !o.active; });\n * // => objects for ['fred', 'pebbles']\n *\n * // The `_.matches` iteratee shorthand.\n * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n * // => objects for ['pebbles']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.takeRightWhile(users, ['active', false]);\n * // => objects for ['fred', 'pebbles']\n *\n * // The `_.property` iteratee shorthand.\n * _.takeRightWhile(users, 'active');\n * // => []\n */\n function takeRightWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3), false, true)\n : [];\n }\n\n /**\n * Creates a slice of `array` with elements taken from the beginning. Elements\n * are taken until `predicate` returns falsey. The predicate is invoked with\n * three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': false },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': true }\n * ];\n *\n * _.takeWhile(users, function(o) { return !o.active; });\n * // => objects for ['barney', 'fred']\n *\n * // The `_.matches` iteratee shorthand.\n * _.takeWhile(users, { 'user': 'barney', 'active': false });\n * // => objects for ['barney']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.takeWhile(users, ['active', false]);\n * // => objects for ['barney', 'fred']\n *\n * // The `_.property` iteratee shorthand.\n * _.takeWhile(users, 'active');\n * // => []\n */\n function takeWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3))\n : [];\n }\n\n /**\n * Creates an array of unique values, in order, from all given arrays using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @returns {Array} Returns the new array of combined values.\n * @example\n *\n * _.union([2], [1, 2]);\n * // => [2, 1]\n */\n var union = baseRest(function(arrays) {\n return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n });\n\n /**\n * This method is like `_.union` except that it accepts `iteratee` which is\n * invoked for each element of each `arrays` to generate the criterion by\n * which uniqueness is computed. Result values are chosen from the first\n * array in which the value occurs. The iteratee is invoked with one argument:\n * (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of combined values.\n * @example\n *\n * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n * // => [2.1, 1.2]\n *\n * // The `_.property` iteratee shorthand.\n * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 1 }, { 'x': 2 }]\n */\n var unionBy = baseRest(function(arrays) {\n var iteratee = last(arrays);\n if (isArrayLikeObject(iteratee)) {\n iteratee = undefined;\n }\n return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n });\n\n /**\n * This method is like `_.union` except that it accepts `comparator` which\n * is invoked to compare elements of `arrays`. Result values are chosen from\n * the first array in which the value occurs. The comparator is invoked\n * with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of combined values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.unionWith(objects, others, _.isEqual);\n * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n */\n var unionWith = baseRest(function(arrays) {\n var comparator = last(arrays);\n comparator = typeof comparator == 'function' ? comparator : undefined;\n return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n });\n\n /**\n * Creates a duplicate-free version of an array, using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons, in which only the first occurrence of each element\n * is kept. The order of result values is determined by the order they occur\n * in the array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.uniq([2, 1, 2]);\n * // => [2, 1]\n */\n function uniq(array) {\n return (array && array.length) ? baseUniq(array) : [];\n }\n\n /**\n * This method is like `_.uniq` except that it accepts `iteratee` which is\n * invoked for each element in `array` to generate the criterion by which\n * uniqueness is computed. The order of result values is determined by the\n * order they occur in the array. The iteratee is invoked with one argument:\n * (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n * // => [2.1, 1.2]\n *\n * // The `_.property` iteratee shorthand.\n * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 1 }, { 'x': 2 }]\n */\n function uniqBy(array, iteratee) {\n return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n }\n\n /**\n * This method is like `_.uniq` except that it accepts `comparator` which\n * is invoked to compare elements of `array`. The order of result values is\n * determined by the order they occur in the array.The comparator is invoked\n * with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.uniqWith(objects, _.isEqual);\n * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n */\n function uniqWith(array, comparator) {\n comparator = typeof comparator == 'function' ? comparator : undefined;\n return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n }\n\n /**\n * This method is like `_.zip` except that it accepts an array of grouped\n * elements and creates an array regrouping the elements to their pre-zip\n * configuration.\n *\n * @static\n * @memberOf _\n * @since 1.2.0\n * @category Array\n * @param {Array} array The array of grouped elements to process.\n * @returns {Array} Returns the new array of regrouped elements.\n * @example\n *\n * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n * // => [['a', 1, true], ['b', 2, false]]\n *\n * _.unzip(zipped);\n * // => [['a', 'b'], [1, 2], [true, false]]\n */\n function unzip(array) {\n if (!(array && array.length)) {\n return [];\n }\n var length = 0;\n array = arrayFilter(array, function(group) {\n if (isArrayLikeObject(group)) {\n length = nativeMax(group.length, length);\n return true;\n }\n });\n return baseTimes(length, function(index) {\n return arrayMap(array, baseProperty(index));\n });\n }\n\n /**\n * This method is like `_.unzip` except that it accepts `iteratee` to specify\n * how regrouped values should be combined. The iteratee is invoked with the\n * elements of each group: (...group).\n *\n * @static\n * @memberOf _\n * @since 3.8.0\n * @category Array\n * @param {Array} array The array of grouped elements to process.\n * @param {Function} [iteratee=_.identity] The function to combine\n * regrouped values.\n * @returns {Array} Returns the new array of regrouped elements.\n * @example\n *\n * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n * // => [[1, 10, 100], [2, 20, 200]]\n *\n * _.unzipWith(zipped, _.add);\n * // => [3, 30, 300]\n */\n function unzipWith(array, iteratee) {\n if (!(array && array.length)) {\n return [];\n }\n var result = unzip(array);\n if (iteratee == null) {\n return result;\n }\n return arrayMap(result, function(group) {\n return apply(iteratee, undefined, group);\n });\n }\n\n /**\n * Creates an array excluding all given values using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * **Note:** Unlike `_.pull`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...*} [values] The values to exclude.\n * @returns {Array} Returns the new array of filtered values.\n * @see _.difference, _.xor\n * @example\n *\n * _.without([2, 1, 2, 3], 1, 2);\n * // => [3]\n */\n var without = baseRest(function(array, values) {\n return isArrayLikeObject(array)\n ? baseDifference(array, values)\n : [];\n });\n\n /**\n * Creates an array of unique values that is the\n * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n * of the given arrays. The order of result values is determined by the order\n * they occur in the arrays.\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @returns {Array} Returns the new array of filtered values.\n * @see _.difference, _.without\n * @example\n *\n * _.xor([2, 1], [2, 3]);\n * // => [1, 3]\n */\n var xor = baseRest(function(arrays) {\n return baseXor(arrayFilter(arrays, isArrayLikeObject));\n });\n\n /**\n * This method is like `_.xor` except that it accepts `iteratee` which is\n * invoked for each element of each `arrays` to generate the criterion by\n * which by which they're compared. The order of result values is determined\n * by the order they occur in the arrays. The iteratee is invoked with one\n * argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n * // => [1.2, 3.4]\n *\n * // The `_.property` iteratee shorthand.\n * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 2 }]\n */\n var xorBy = baseRest(function(arrays) {\n var iteratee = last(arrays);\n if (isArrayLikeObject(iteratee)) {\n iteratee = undefined;\n }\n return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n });\n\n /**\n * This method is like `_.xor` except that it accepts `comparator` which is\n * invoked to compare elements of `arrays`. The order of result values is\n * determined by the order they occur in the arrays. The comparator is invoked\n * with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.xorWith(objects, others, _.isEqual);\n * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n */\n var xorWith = baseRest(function(arrays) {\n var comparator = last(arrays);\n comparator = typeof comparator == 'function' ? comparator : undefined;\n return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n });\n\n /**\n * Creates an array of grouped elements, the first of which contains the\n * first elements of the given arrays, the second of which contains the\n * second elements of the given arrays, and so on.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {...Array} [arrays] The arrays to process.\n * @returns {Array} Returns the new array of grouped elements.\n * @example\n *\n * _.zip(['a', 'b'], [1, 2], [true, false]);\n * // => [['a', 1, true], ['b', 2, false]]\n */\n var zip = baseRest(unzip);\n\n /**\n * This method is like `_.fromPairs` except that it accepts two arrays,\n * one of property identifiers and one of corresponding values.\n *\n * @static\n * @memberOf _\n * @since 0.4.0\n * @category Array\n * @param {Array} [props=[]] The property identifiers.\n * @param {Array} [values=[]] The property values.\n * @returns {Object} Returns the new object.\n * @example\n *\n * _.zipObject(['a', 'b'], [1, 2]);\n * // => { 'a': 1, 'b': 2 }\n */\n function zipObject(props, values) {\n return baseZipObject(props || [], values || [], assignValue);\n }\n\n /**\n * This method is like `_.zipObject` except that it supports property paths.\n *\n * @static\n * @memberOf _\n * @since 4.1.0\n * @category Array\n * @param {Array} [props=[]] The property identifiers.\n * @param {Array} [values=[]] The property values.\n * @returns {Object} Returns the new object.\n * @example\n *\n * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n */\n function zipObjectDeep(props, values) {\n return baseZipObject(props || [], values || [], baseSet);\n }\n\n /**\n * This method is like `_.zip` except that it accepts `iteratee` to specify\n * how grouped values should be combined. The iteratee is invoked with the\n * elements of each group: (...group).\n *\n * @static\n * @memberOf _\n * @since 3.8.0\n * @category Array\n * @param {...Array} [arrays] The arrays to process.\n * @param {Function} [iteratee=_.identity] The function to combine\n * grouped values.\n * @returns {Array} Returns the new array of grouped elements.\n * @example\n *\n * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n * return a + b + c;\n * });\n * // => [111, 222]\n */\n var zipWith = baseRest(function(arrays) {\n var length = arrays.length,\n iteratee = length > 1 ? arrays[length - 1] : undefined;\n\n iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n return unzipWith(arrays, iteratee);\n });\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n * chain sequences enabled. The result of such sequences must be unwrapped\n * with `_#value`.\n *\n * @static\n * @memberOf _\n * @since 1.3.0\n * @category Seq\n * @param {*} value The value to wrap.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36 },\n * { 'user': 'fred', 'age': 40 },\n * { 'user': 'pebbles', 'age': 1 }\n * ];\n *\n * var youngest = _\n * .chain(users)\n * .sortBy('age')\n * .map(function(o) {\n * return o.user + ' is ' + o.age;\n * })\n * .head()\n * .value();\n * // => 'pebbles is 1'\n */\n function chain(value) {\n var result = lodash(value);\n result.__chain__ = true;\n return result;\n }\n\n /**\n * This method invokes `interceptor` and returns `value`. The interceptor\n * is invoked with one argument; (value). The purpose of this method is to\n * \"tap into\" a method chain sequence in order to modify intermediate results.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Seq\n * @param {*} value The value to provide to `interceptor`.\n * @param {Function} interceptor The function to invoke.\n * @returns {*} Returns `value`.\n * @example\n *\n * _([1, 2, 3])\n * .tap(function(array) {\n * // Mutate input array.\n * array.pop();\n * })\n * .reverse()\n * .value();\n * // => [2, 1]\n */\n function tap(value, interceptor) {\n interceptor(value);\n return value;\n }\n\n /**\n * This method is like `_.tap` except that it returns the result of `interceptor`.\n * The purpose of this method is to \"pass thru\" values replacing intermediate\n * results in a method chain sequence.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Seq\n * @param {*} value The value to provide to `interceptor`.\n * @param {Function} interceptor The function to invoke.\n * @returns {*} Returns the result of `interceptor`.\n * @example\n *\n * _(' abc ')\n * .chain()\n * .trim()\n * .thru(function(value) {\n * return [value];\n * })\n * .value();\n * // => ['abc']\n */\n function thru(value, interceptor) {\n return interceptor(value);\n }\n\n /**\n * This method is the wrapper version of `_.at`.\n *\n * @name at\n * @memberOf _\n * @since 1.0.0\n * @category Seq\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n *\n * _(object).at(['a[0].b.c', 'a[1]']).value();\n * // => [3, 4]\n */\n var wrapperAt = flatRest(function(paths) {\n var length = paths.length,\n start = length ? paths[0] : 0,\n value = this.__wrapped__,\n interceptor = function(object) { return baseAt(object, paths); };\n\n if (length > 1 || this.__actions__.length ||\n !(value instanceof LazyWrapper) || !isIndex(start)) {\n return this.thru(interceptor);\n }\n value = value.slice(start, +start + (length ? 1 : 0));\n value.__actions__.push({\n 'func': thru,\n 'args': [interceptor],\n 'thisArg': undefined\n });\n return new LodashWrapper(value, this.__chain__).thru(function(array) {\n if (length && !array.length) {\n array.push(undefined);\n }\n return array;\n });\n });\n\n /**\n * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n *\n * @name chain\n * @memberOf _\n * @since 0.1.0\n * @category Seq\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36 },\n * { 'user': 'fred', 'age': 40 }\n * ];\n *\n * // A sequence without explicit chaining.\n * _(users).head();\n * // => { 'user': 'barney', 'age': 36 }\n *\n * // A sequence with explicit chaining.\n * _(users)\n * .chain()\n * .head()\n * .pick('user')\n * .value();\n * // => { 'user': 'barney' }\n */\n function wrapperChain() {\n return chain(this);\n }\n\n /**\n * Executes the chain sequence and returns the wrapped result.\n *\n * @name commit\n * @memberOf _\n * @since 3.2.0\n * @category Seq\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var array = [1, 2];\n * var wrapped = _(array).push(3);\n *\n * console.log(array);\n * // => [1, 2]\n *\n * wrapped = wrapped.commit();\n * console.log(array);\n * // => [1, 2, 3]\n *\n * wrapped.last();\n * // => 3\n *\n * console.log(array);\n * // => [1, 2, 3]\n */\n function wrapperCommit() {\n return new LodashWrapper(this.value(), this.__chain__);\n }\n\n /**\n * Gets the next value on a wrapped object following the\n * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n *\n * @name next\n * @memberOf _\n * @since 4.0.0\n * @category Seq\n * @returns {Object} Returns the next iterator value.\n * @example\n *\n * var wrapped = _([1, 2]);\n *\n * wrapped.next();\n * // => { 'done': false, 'value': 1 }\n *\n * wrapped.next();\n * // => { 'done': false, 'value': 2 }\n *\n * wrapped.next();\n * // => { 'done': true, 'value': undefined }\n */\n function wrapperNext() {\n if (this.__values__ === undefined) {\n this.__values__ = toArray(this.value());\n }\n var done = this.__index__ >= this.__values__.length,\n value = done ? undefined : this.__values__[this.__index__++];\n\n return { 'done': done, 'value': value };\n }\n\n /**\n * Enables the wrapper to be iterable.\n *\n * @name Symbol.iterator\n * @memberOf _\n * @since 4.0.0\n * @category Seq\n * @returns {Object} Returns the wrapper object.\n * @example\n *\n * var wrapped = _([1, 2]);\n *\n * wrapped[Symbol.iterator]() === wrapped;\n * // => true\n *\n * Array.from(wrapped);\n * // => [1, 2]\n */\n function wrapperToIterator() {\n return this;\n }\n\n /**\n * Creates a clone of the chain sequence planting `value` as the wrapped value.\n *\n * @name plant\n * @memberOf _\n * @since 3.2.0\n * @category Seq\n * @param {*} value The value to plant.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * var wrapped = _([1, 2]).map(square);\n * var other = wrapped.plant([3, 4]);\n *\n * other.value();\n * // => [9, 16]\n *\n * wrapped.value();\n * // => [1, 4]\n */\n function wrapperPlant(value) {\n var result,\n parent = this;\n\n while (parent instanceof baseLodash) {\n var clone = wrapperClone(parent);\n clone.__index__ = 0;\n clone.__values__ = undefined;\n if (result) {\n previous.__wrapped__ = clone;\n } else {\n result = clone;\n }\n var previous = clone;\n parent = parent.__wrapped__;\n }\n previous.__wrapped__ = value;\n return result;\n }\n\n /**\n * This method is the wrapper version of `_.reverse`.\n *\n * **Note:** This method mutates the wrapped array.\n *\n * @name reverse\n * @memberOf _\n * @since 0.1.0\n * @category Seq\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var array = [1, 2, 3];\n *\n * _(array).reverse().value()\n * // => [3, 2, 1]\n *\n * console.log(array);\n * // => [3, 2, 1]\n */\n function wrapperReverse() {\n var value = this.__wrapped__;\n if (value instanceof LazyWrapper) {\n var wrapped = value;\n if (this.__actions__.length) {\n wrapped = new LazyWrapper(this);\n }\n wrapped = wrapped.reverse();\n wrapped.__actions__.push({\n 'func': thru,\n 'args': [reverse],\n 'thisArg': undefined\n });\n return new LodashWrapper(wrapped, this.__chain__);\n }\n return this.thru(reverse);\n }\n\n /**\n * Executes the chain sequence to resolve the unwrapped value.\n *\n * @name value\n * @memberOf _\n * @since 0.1.0\n * @alias toJSON, valueOf\n * @category Seq\n * @returns {*} Returns the resolved unwrapped value.\n * @example\n *\n * _([1, 2, 3]).value();\n * // => [1, 2, 3]\n */\n function wrapperValue() {\n return baseWrapperValue(this.__wrapped__, this.__actions__);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an object composed of keys generated from the results of running\n * each element of `collection` thru `iteratee`. The corresponding value of\n * each key is the number of times the key was returned by `iteratee`. The\n * iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n * @returns {Object} Returns the composed aggregate object.\n * @example\n *\n * _.countBy([6.1, 4.2, 6.3], Math.floor);\n * // => { '4': 1, '6': 2 }\n *\n * // The `_.property` iteratee shorthand.\n * _.countBy(['one', 'two', 'three'], 'length');\n * // => { '3': 2, '5': 1 }\n */\n var countBy = createAggregator(function(result, value, key) {\n if (hasOwnProperty.call(result, key)) {\n ++result[key];\n } else {\n baseAssignValue(result, key, 1);\n }\n });\n\n /**\n * Checks if `predicate` returns truthy for **all** elements of `collection`.\n * Iteration is stopped once `predicate` returns falsey. The predicate is\n * invoked with three arguments: (value, index|key, collection).\n *\n * **Note:** This method returns `true` for\n * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n * elements of empty collections.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`.\n * @example\n *\n * _.every([true, 1, null, 'yes'], Boolean);\n * // => false\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': false },\n * { 'user': 'fred', 'age': 40, 'active': false }\n * ];\n *\n * // The `_.matches` iteratee shorthand.\n * _.every(users, { 'user': 'barney', 'active': false });\n * // => false\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.every(users, ['active', false]);\n * // => true\n *\n * // The `_.property` iteratee shorthand.\n * _.every(users, 'active');\n * // => false\n */\n function every(collection, predicate, guard) {\n var func = isArray(collection) ? arrayEvery : baseEvery;\n if (guard && isIterateeCall(collection, predicate, guard)) {\n predicate = undefined;\n }\n return func(collection, getIteratee(predicate, 3));\n }\n\n /**\n * Iterates over elements of `collection`, returning an array of all elements\n * `predicate` returns truthy for. The predicate is invoked with three\n * arguments: (value, index|key, collection).\n *\n * **Note:** Unlike `_.remove`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n * @see _.reject\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': true },\n * { 'user': 'fred', 'age': 40, 'active': false }\n * ];\n *\n * _.filter(users, function(o) { return !o.active; });\n * // => objects for ['fred']\n *\n * // The `_.matches` iteratee shorthand.\n * _.filter(users, { 'age': 36, 'active': true });\n * // => objects for ['barney']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.filter(users, ['active', false]);\n * // => objects for ['fred']\n *\n * // The `_.property` iteratee shorthand.\n * _.filter(users, 'active');\n * // => objects for ['barney']\n *\n * // Combining several predicates using `_.overEvery` or `_.overSome`.\n * _.filter(users, _.overSome([{ 'age': 36 }, ['age', 40]]));\n * // => objects for ['fred', 'barney']\n */\n function filter(collection, predicate) {\n var func = isArray(collection) ? arrayFilter : baseFilter;\n return func(collection, getIteratee(predicate, 3));\n }\n\n /**\n * Iterates over elements of `collection`, returning the first element\n * `predicate` returns truthy for. The predicate is invoked with three\n * arguments: (value, index|key, collection).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=0] The index to search from.\n * @returns {*} Returns the matched element, else `undefined`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': true },\n * { 'user': 'fred', 'age': 40, 'active': false },\n * { 'user': 'pebbles', 'age': 1, 'active': true }\n * ];\n *\n * _.find(users, function(o) { return o.age < 40; });\n * // => object for 'barney'\n *\n * // The `_.matches` iteratee shorthand.\n * _.find(users, { 'age': 1, 'active': true });\n * // => object for 'pebbles'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.find(users, ['active', false]);\n * // => object for 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.find(users, 'active');\n * // => object for 'barney'\n */\n var find = createFind(findIndex);\n\n /**\n * This method is like `_.find` except that it iterates over elements of\n * `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=collection.length-1] The index to search from.\n * @returns {*} Returns the matched element, else `undefined`.\n * @example\n *\n * _.findLast([1, 2, 3, 4], function(n) {\n * return n % 2 == 1;\n * });\n * // => 3\n */\n var findLast = createFind(findLastIndex);\n\n /**\n * Creates a flattened array of values by running each element in `collection`\n * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n * with three arguments: (value, index|key, collection).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * function duplicate(n) {\n * return [n, n];\n * }\n *\n * _.flatMap([1, 2], duplicate);\n * // => [1, 1, 2, 2]\n */\n function flatMap(collection, iteratee) {\n return baseFlatten(map(collection, iteratee), 1);\n }\n\n /**\n * This method is like `_.flatMap` except that it recursively flattens the\n * mapped results.\n *\n * @static\n * @memberOf _\n * @since 4.7.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * function duplicate(n) {\n * return [[[n, n]]];\n * }\n *\n * _.flatMapDeep([1, 2], duplicate);\n * // => [1, 1, 2, 2]\n */\n function flatMapDeep(collection, iteratee) {\n return baseFlatten(map(collection, iteratee), INFINITY);\n }\n\n /**\n * This method is like `_.flatMap` except that it recursively flattens the\n * mapped results up to `depth` times.\n *\n * @static\n * @memberOf _\n * @since 4.7.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {number} [depth=1] The maximum recursion depth.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * function duplicate(n) {\n * return [[[n, n]]];\n * }\n *\n * _.flatMapDepth([1, 2], duplicate, 2);\n * // => [[1, 1], [2, 2]]\n */\n function flatMapDepth(collection, iteratee, depth) {\n depth = depth === undefined ? 1 : toInteger(depth);\n return baseFlatten(map(collection, iteratee), depth);\n }\n\n /**\n * Iterates over elements of `collection` and invokes `iteratee` for each element.\n * The iteratee is invoked with three arguments: (value, index|key, collection).\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n * property are iterated like arrays. To avoid this behavior use `_.forIn`\n * or `_.forOwn` for object iteration.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @alias each\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n * @see _.forEachRight\n * @example\n *\n * _.forEach([1, 2], function(value) {\n * console.log(value);\n * });\n * // => Logs `1` then `2`.\n *\n * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n */\n function forEach(collection, iteratee) {\n var func = isArray(collection) ? arrayEach : baseEach;\n return func(collection, getIteratee(iteratee, 3));\n }\n\n /**\n * This method is like `_.forEach` except that it iterates over elements of\n * `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @alias eachRight\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n * @see _.forEach\n * @example\n *\n * _.forEachRight([1, 2], function(value) {\n * console.log(value);\n * });\n * // => Logs `2` then `1`.\n */\n function forEachRight(collection, iteratee) {\n var func = isArray(collection) ? arrayEachRight : baseEachRight;\n return func(collection, getIteratee(iteratee, 3));\n }\n\n /**\n * Creates an object composed of keys generated from the results of running\n * each element of `collection` thru `iteratee`. The order of grouped values\n * is determined by the order they occur in `collection`. The corresponding\n * value of each key is an array of elements responsible for generating the\n * key. The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n * @returns {Object} Returns the composed aggregate object.\n * @example\n *\n * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n * // => { '4': [4.2], '6': [6.1, 6.3] }\n *\n * // The `_.property` iteratee shorthand.\n * _.groupBy(['one', 'two', 'three'], 'length');\n * // => { '3': ['one', 'two'], '5': ['three'] }\n */\n var groupBy = createAggregator(function(result, value, key) {\n if (hasOwnProperty.call(result, key)) {\n result[key].push(value);\n } else {\n baseAssignValue(result, key, [value]);\n }\n });\n\n /**\n * Checks if `value` is in `collection`. If `collection` is a string, it's\n * checked for a substring of `value`, otherwise\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * is used for equality comparisons. If `fromIndex` is negative, it's used as\n * the offset from the end of `collection`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object|string} collection The collection to inspect.\n * @param {*} value The value to search for.\n * @param {number} [fromIndex=0] The index to search from.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n * @returns {boolean} Returns `true` if `value` is found, else `false`.\n * @example\n *\n * _.includes([1, 2, 3], 1);\n * // => true\n *\n * _.includes([1, 2, 3], 1, 2);\n * // => false\n *\n * _.includes({ 'a': 1, 'b': 2 }, 1);\n * // => true\n *\n * _.includes('abcd', 'bc');\n * // => true\n */\n function includes(collection, value, fromIndex, guard) {\n collection = isArrayLike(collection) ? collection : values(collection);\n fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\n var length = collection.length;\n if (fromIndex < 0) {\n fromIndex = nativeMax(length + fromIndex, 0);\n }\n return isString(collection)\n ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n }\n\n /**\n * Invokes the method at `path` of each element in `collection`, returning\n * an array of the results of each invoked method. Any additional arguments\n * are provided to each invoked method. If `path` is a function, it's invoked\n * for, and `this` bound to, each element in `collection`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Array|Function|string} path The path of the method to invoke or\n * the function invoked per iteration.\n * @param {...*} [args] The arguments to invoke each method with.\n * @returns {Array} Returns the array of results.\n * @example\n *\n * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n * // => [[1, 5, 7], [1, 2, 3]]\n *\n * _.invokeMap([123, 456], String.prototype.split, '');\n * // => [['1', '2', '3'], ['4', '5', '6']]\n */\n var invokeMap = baseRest(function(collection, path, args) {\n var index = -1,\n isFunc = typeof path == 'function',\n result = isArrayLike(collection) ? Array(collection.length) : [];\n\n baseEach(collection, function(value) {\n result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n });\n return result;\n });\n\n /**\n * Creates an object composed of keys generated from the results of running\n * each element of `collection` thru `iteratee`. The corresponding value of\n * each key is the last element responsible for generating the key. The\n * iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n * @returns {Object} Returns the composed aggregate object.\n * @example\n *\n * var array = [\n * { 'dir': 'left', 'code': 97 },\n * { 'dir': 'right', 'code': 100 }\n * ];\n *\n * _.keyBy(array, function(o) {\n * return String.fromCharCode(o.code);\n * });\n * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n *\n * _.keyBy(array, 'dir');\n * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n */\n var keyBy = createAggregator(function(result, value, key) {\n baseAssignValue(result, key, value);\n });\n\n /**\n * Creates an array of values by running each element in `collection` thru\n * `iteratee`. The iteratee is invoked with three arguments:\n * (value, index|key, collection).\n *\n * Many lodash methods are guarded to work as iteratees for methods like\n * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n *\n * The guarded methods are:\n * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n * @example\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * _.map([4, 8], square);\n * // => [16, 64]\n *\n * _.map({ 'a': 4, 'b': 8 }, square);\n * // => [16, 64] (iteration order is not guaranteed)\n *\n * var users = [\n * { 'user': 'barney' },\n * { 'user': 'fred' }\n * ];\n *\n * // The `_.property` iteratee shorthand.\n * _.map(users, 'user');\n * // => ['barney', 'fred']\n */\n function map(collection, iteratee) {\n var func = isArray(collection) ? arrayMap : baseMap;\n return func(collection, getIteratee(iteratee, 3));\n }\n\n /**\n * This method is like `_.sortBy` except that it allows specifying the sort\n * orders of the iteratees to sort by. If `orders` is unspecified, all values\n * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n * descending or \"asc\" for ascending sort order of corresponding values.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n * The iteratees to sort by.\n * @param {string[]} [orders] The sort orders of `iteratees`.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n * @returns {Array} Returns the new sorted array.\n * @example\n *\n * var users = [\n * { 'user': 'fred', 'age': 48 },\n * { 'user': 'barney', 'age': 34 },\n * { 'user': 'fred', 'age': 40 },\n * { 'user': 'barney', 'age': 36 }\n * ];\n *\n * // Sort by `user` in ascending order and by `age` in descending order.\n * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n */\n function orderBy(collection, iteratees, orders, guard) {\n if (collection == null) {\n return [];\n }\n if (!isArray(iteratees)) {\n iteratees = iteratees == null ? [] : [iteratees];\n }\n orders = guard ? undefined : orders;\n if (!isArray(orders)) {\n orders = orders == null ? [] : [orders];\n }\n return baseOrderBy(collection, iteratees, orders);\n }\n\n /**\n * Creates an array of elements split into two groups, the first of which\n * contains elements `predicate` returns truthy for, the second of which\n * contains elements `predicate` returns falsey for. The predicate is\n * invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the array of grouped elements.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': false },\n * { 'user': 'fred', 'age': 40, 'active': true },\n * { 'user': 'pebbles', 'age': 1, 'active': false }\n * ];\n *\n * _.partition(users, function(o) { return o.active; });\n * // => objects for [['fred'], ['barney', 'pebbles']]\n *\n * // The `_.matches` iteratee shorthand.\n * _.partition(users, { 'age': 1, 'active': false });\n * // => objects for [['pebbles'], ['barney', 'fred']]\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.partition(users, ['active', false]);\n * // => objects for [['barney', 'pebbles'], ['fred']]\n *\n * // The `_.property` iteratee shorthand.\n * _.partition(users, 'active');\n * // => objects for [['fred'], ['barney', 'pebbles']]\n */\n var partition = createAggregator(function(result, value, key) {\n result[key ? 0 : 1].push(value);\n }, function() { return [[], []]; });\n\n /**\n * Reduces `collection` to a value which is the accumulated result of running\n * each element in `collection` thru `iteratee`, where each successive\n * invocation is supplied the return value of the previous. If `accumulator`\n * is not given, the first element of `collection` is used as the initial\n * value. The iteratee is invoked with four arguments:\n * (accumulator, value, index|key, collection).\n *\n * Many lodash methods are guarded to work as iteratees for methods like\n * `_.reduce`, `_.reduceRight`, and `_.transform`.\n *\n * The guarded methods are:\n * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n * and `sortBy`\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @returns {*} Returns the accumulated value.\n * @see _.reduceRight\n * @example\n *\n * _.reduce([1, 2], function(sum, n) {\n * return sum + n;\n * }, 0);\n * // => 3\n *\n * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n * (result[value] || (result[value] = [])).push(key);\n * return result;\n * }, {});\n * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n */\n function reduce(collection, iteratee, accumulator) {\n var func = isArray(collection) ? arrayReduce : baseReduce,\n initAccum = arguments.length < 3;\n\n return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n }\n\n /**\n * This method is like `_.reduce` except that it iterates over elements of\n * `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @returns {*} Returns the accumulated value.\n * @see _.reduce\n * @example\n *\n * var array = [[0, 1], [2, 3], [4, 5]];\n *\n * _.reduceRight(array, function(flattened, other) {\n * return flattened.concat(other);\n * }, []);\n * // => [4, 5, 2, 3, 0, 1]\n */\n function reduceRight(collection, iteratee, accumulator) {\n var func = isArray(collection) ? arrayReduceRight : baseReduce,\n initAccum = arguments.length < 3;\n\n return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n }\n\n /**\n * The opposite of `_.filter`; this method returns the elements of `collection`\n * that `predicate` does **not** return truthy for.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n * @see _.filter\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': false },\n * { 'user': 'fred', 'age': 40, 'active': true }\n * ];\n *\n * _.reject(users, function(o) { return !o.active; });\n * // => objects for ['fred']\n *\n * // The `_.matches` iteratee shorthand.\n * _.reject(users, { 'age': 40, 'active': true });\n * // => objects for ['barney']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.reject(users, ['active', false]);\n * // => objects for ['fred']\n *\n * // The `_.property` iteratee shorthand.\n * _.reject(users, 'active');\n * // => objects for ['barney']\n */\n function reject(collection, predicate) {\n var func = isArray(collection) ? arrayFilter : baseFilter;\n return func(collection, negate(getIteratee(predicate, 3)));\n }\n\n /**\n * Gets a random element from `collection`.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to sample.\n * @returns {*} Returns the random element.\n * @example\n *\n * _.sample([1, 2, 3, 4]);\n * // => 2\n */\n function sample(collection) {\n var func = isArray(collection) ? arraySample : baseSample;\n return func(collection);\n }\n\n /**\n * Gets `n` random elements at unique keys from `collection` up to the\n * size of `collection`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to sample.\n * @param {number} [n=1] The number of elements to sample.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the random elements.\n * @example\n *\n * _.sampleSize([1, 2, 3], 2);\n * // => [3, 1]\n *\n * _.sampleSize([1, 2, 3], 4);\n * // => [2, 3, 1]\n */\n function sampleSize(collection, n, guard) {\n if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n n = 1;\n } else {\n n = toInteger(n);\n }\n var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n return func(collection, n);\n }\n\n /**\n * Creates an array of shuffled values, using a version of the\n * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to shuffle.\n * @returns {Array} Returns the new shuffled array.\n * @example\n *\n * _.shuffle([1, 2, 3, 4]);\n * // => [4, 1, 3, 2]\n */\n function shuffle(collection) {\n var func = isArray(collection) ? arrayShuffle : baseShuffle;\n return func(collection);\n }\n\n /**\n * Gets the size of `collection` by returning its length for array-like\n * values or the number of own enumerable string keyed properties for objects.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object|string} collection The collection to inspect.\n * @returns {number} Returns the collection size.\n * @example\n *\n * _.size([1, 2, 3]);\n * // => 3\n *\n * _.size({ 'a': 1, 'b': 2 });\n * // => 2\n *\n * _.size('pebbles');\n * // => 7\n */\n function size(collection) {\n if (collection == null) {\n return 0;\n }\n if (isArrayLike(collection)) {\n return isString(collection) ? stringSize(collection) : collection.length;\n }\n var tag = getTag(collection);\n if (tag == mapTag || tag == setTag) {\n return collection.size;\n }\n return baseKeys(collection).length;\n }\n\n /**\n * Checks if `predicate` returns truthy for **any** element of `collection`.\n * Iteration is stopped once `predicate` returns truthy. The predicate is\n * invoked with three arguments: (value, index|key, collection).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n * @example\n *\n * _.some([null, 0, 'yes', false], Boolean);\n * // => true\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false }\n * ];\n *\n * // The `_.matches` iteratee shorthand.\n * _.some(users, { 'user': 'barney', 'active': false });\n * // => false\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.some(users, ['active', false]);\n * // => true\n *\n * // The `_.property` iteratee shorthand.\n * _.some(users, 'active');\n * // => true\n */\n function some(collection, predicate, guard) {\n var func = isArray(collection) ? arraySome : baseSome;\n if (guard && isIterateeCall(collection, predicate, guard)) {\n predicate = undefined;\n }\n return func(collection, getIteratee(predicate, 3));\n }\n\n /**\n * Creates an array of elements, sorted in ascending order by the results of\n * running each element in a collection thru each iteratee. This method\n * performs a stable sort, that is, it preserves the original sort order of\n * equal elements. The iteratees are invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {...(Function|Function[])} [iteratees=[_.identity]]\n * The iteratees to sort by.\n * @returns {Array} Returns the new sorted array.\n * @example\n *\n * var users = [\n * { 'user': 'fred', 'age': 48 },\n * { 'user': 'barney', 'age': 36 },\n * { 'user': 'fred', 'age': 30 },\n * { 'user': 'barney', 'age': 34 }\n * ];\n *\n * _.sortBy(users, [function(o) { return o.user; }]);\n * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 30]]\n *\n * _.sortBy(users, ['user', 'age']);\n * // => objects for [['barney', 34], ['barney', 36], ['fred', 30], ['fred', 48]]\n */\n var sortBy = baseRest(function(collection, iteratees) {\n if (collection == null) {\n return [];\n }\n var length = iteratees.length;\n if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n iteratees = [];\n } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n iteratees = [iteratees[0]];\n }\n return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n });\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Gets the timestamp of the number of milliseconds that have elapsed since\n * the Unix epoch (1 January 1970 00:00:00 UTC).\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Date\n * @returns {number} Returns the timestamp.\n * @example\n *\n * _.defer(function(stamp) {\n * console.log(_.now() - stamp);\n * }, _.now());\n * // => Logs the number of milliseconds it took for the deferred invocation.\n */\n var now = ctxNow || function() {\n return root.Date.now();\n };\n\n /*------------------------------------------------------------------------*/\n\n /**\n * The opposite of `_.before`; this method creates a function that invokes\n * `func` once it's called `n` or more times.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {number} n The number of calls before `func` is invoked.\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new restricted function.\n * @example\n *\n * var saves = ['profile', 'settings'];\n *\n * var done = _.after(saves.length, function() {\n * console.log('done saving!');\n * });\n *\n * _.forEach(saves, function(type) {\n * asyncSave({ 'type': type, 'complete': done });\n * });\n * // => Logs 'done saving!' after the two async saves have completed.\n */\n function after(n, func) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n n = toInteger(n);\n return function() {\n if (--n < 1) {\n return func.apply(this, arguments);\n }\n };\n }\n\n /**\n * Creates a function that invokes `func`, with up to `n` arguments,\n * ignoring any additional arguments.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} func The function to cap arguments for.\n * @param {number} [n=func.length] The arity cap.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the new capped function.\n * @example\n *\n * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n * // => [6, 8, 10]\n */\n function ary(func, n, guard) {\n n = guard ? undefined : n;\n n = (func && n == null) ? func.length : n;\n return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n }\n\n /**\n * Creates a function that invokes `func`, with the `this` binding and arguments\n * of the created function, while it's called less than `n` times. Subsequent\n * calls to the created function return the result of the last `func` invocation.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {number} n The number of calls at which `func` is no longer invoked.\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new restricted function.\n * @example\n *\n * jQuery(element).on('click', _.before(5, addContactToList));\n * // => Allows adding up to 4 contacts to the list.\n */\n function before(n, func) {\n var result;\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n n = toInteger(n);\n return function() {\n if (--n > 0) {\n result = func.apply(this, arguments);\n }\n if (n <= 1) {\n func = undefined;\n }\n return result;\n };\n }\n\n /**\n * Creates a function that invokes `func` with the `this` binding of `thisArg`\n * and `partials` prepended to the arguments it receives.\n *\n * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n * may be used as a placeholder for partially applied arguments.\n *\n * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n * property of bound functions.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to bind.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new bound function.\n * @example\n *\n * function greet(greeting, punctuation) {\n * return greeting + ' ' + this.user + punctuation;\n * }\n *\n * var object = { 'user': 'fred' };\n *\n * var bound = _.bind(greet, object, 'hi');\n * bound('!');\n * // => 'hi fred!'\n *\n * // Bound with placeholders.\n * var bound = _.bind(greet, object, _, '!');\n * bound('hi');\n * // => 'hi fred!'\n */\n var bind = baseRest(function(func, thisArg, partials) {\n var bitmask = WRAP_BIND_FLAG;\n if (partials.length) {\n var holders = replaceHolders(partials, getHolder(bind));\n bitmask |= WRAP_PARTIAL_FLAG;\n }\n return createWrap(func, bitmask, thisArg, partials, holders);\n });\n\n /**\n * Creates a function that invokes the method at `object[key]` with `partials`\n * prepended to the arguments it receives.\n *\n * This method differs from `_.bind` by allowing bound functions to reference\n * methods that may be redefined or don't yet exist. See\n * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n * for more details.\n *\n * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for partially applied arguments.\n *\n * @static\n * @memberOf _\n * @since 0.10.0\n * @category Function\n * @param {Object} object The object to invoke the method on.\n * @param {string} key The key of the method.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new bound function.\n * @example\n *\n * var object = {\n * 'user': 'fred',\n * 'greet': function(greeting, punctuation) {\n * return greeting + ' ' + this.user + punctuation;\n * }\n * };\n *\n * var bound = _.bindKey(object, 'greet', 'hi');\n * bound('!');\n * // => 'hi fred!'\n *\n * object.greet = function(greeting, punctuation) {\n * return greeting + 'ya ' + this.user + punctuation;\n * };\n *\n * bound('!');\n * // => 'hiya fred!'\n *\n * // Bound with placeholders.\n * var bound = _.bindKey(object, 'greet', _, '!');\n * bound('hi');\n * // => 'hiya fred!'\n */\n var bindKey = baseRest(function(object, key, partials) {\n var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n if (partials.length) {\n var holders = replaceHolders(partials, getHolder(bindKey));\n bitmask |= WRAP_PARTIAL_FLAG;\n }\n return createWrap(key, bitmask, object, partials, holders);\n });\n\n /**\n * Creates a function that accepts arguments of `func` and either invokes\n * `func` returning its result, if at least `arity` number of arguments have\n * been provided, or returns a function that accepts the remaining `func`\n * arguments, and so on. The arity of `func` may be specified if `func.length`\n * is not sufficient.\n *\n * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n * may be used as a placeholder for provided arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of curried functions.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Function\n * @param {Function} func The function to curry.\n * @param {number} [arity=func.length] The arity of `func`.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the new curried function.\n * @example\n *\n * var abc = function(a, b, c) {\n * return [a, b, c];\n * };\n *\n * var curried = _.curry(abc);\n *\n * curried(1)(2)(3);\n * // => [1, 2, 3]\n *\n * curried(1, 2)(3);\n * // => [1, 2, 3]\n *\n * curried(1, 2, 3);\n * // => [1, 2, 3]\n *\n * // Curried with placeholders.\n * curried(1)(_, 3)(2);\n * // => [1, 2, 3]\n */\n function curry(func, arity, guard) {\n arity = guard ? undefined : arity;\n var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n result.placeholder = curry.placeholder;\n return result;\n }\n\n /**\n * This method is like `_.curry` except that arguments are applied to `func`\n * in the manner of `_.partialRight` instead of `_.partial`.\n *\n * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for provided arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of curried functions.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} func The function to curry.\n * @param {number} [arity=func.length] The arity of `func`.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the new curried function.\n * @example\n *\n * var abc = function(a, b, c) {\n * return [a, b, c];\n * };\n *\n * var curried = _.curryRight(abc);\n *\n * curried(3)(2)(1);\n * // => [1, 2, 3]\n *\n * curried(2, 3)(1);\n * // => [1, 2, 3]\n *\n * curried(1, 2, 3);\n * // => [1, 2, 3]\n *\n * // Curried with placeholders.\n * curried(3)(1, _)(2);\n * // => [1, 2, 3]\n */\n function curryRight(func, arity, guard) {\n arity = guard ? undefined : arity;\n var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n result.placeholder = curryRight.placeholder;\n return result;\n }\n\n /**\n * Creates a debounced function that delays invoking `func` until after `wait`\n * milliseconds have elapsed since the last time the debounced function was\n * invoked. The debounced function comes with a `cancel` method to cancel\n * delayed `func` invocations and a `flush` method to immediately invoke them.\n * Provide `options` to indicate whether `func` should be invoked on the\n * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n * with the last arguments provided to the debounced function. Subsequent\n * calls to the debounced function return the result of the last `func`\n * invocation.\n *\n * **Note:** If `leading` and `trailing` options are `true`, `func` is\n * invoked on the trailing edge of the timeout only if the debounced function\n * is invoked more than once during the `wait` timeout.\n *\n * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n *\n * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n * for details over the differences between `_.debounce` and `_.throttle`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to debounce.\n * @param {number} [wait=0] The number of milliseconds to delay.\n * @param {Object} [options={}] The options object.\n * @param {boolean} [options.leading=false]\n * Specify invoking on the leading edge of the timeout.\n * @param {number} [options.maxWait]\n * The maximum time `func` is allowed to be delayed before it's invoked.\n * @param {boolean} [options.trailing=true]\n * Specify invoking on the trailing edge of the timeout.\n * @returns {Function} Returns the new debounced function.\n * @example\n *\n * // Avoid costly calculations while the window size is in flux.\n * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n *\n * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n * jQuery(element).on('click', _.debounce(sendMail, 300, {\n * 'leading': true,\n * 'trailing': false\n * }));\n *\n * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n * var source = new EventSource('/stream');\n * jQuery(source).on('message', debounced);\n *\n * // Cancel the trailing debounced invocation.\n * jQuery(window).on('popstate', debounced.cancel);\n */\n function debounce(func, wait, options) {\n var lastArgs,\n lastThis,\n maxWait,\n result,\n timerId,\n lastCallTime,\n lastInvokeTime = 0,\n leading = false,\n maxing = false,\n trailing = true;\n\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n wait = toNumber(wait) || 0;\n if (isObject(options)) {\n leading = !!options.leading;\n maxing = 'maxWait' in options;\n maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n trailing = 'trailing' in options ? !!options.trailing : trailing;\n }\n\n function invokeFunc(time) {\n var args = lastArgs,\n thisArg = lastThis;\n\n lastArgs = lastThis = undefined;\n lastInvokeTime = time;\n result = func.apply(thisArg, args);\n return result;\n }\n\n function leadingEdge(time) {\n // Reset any `maxWait` timer.\n lastInvokeTime = time;\n // Start the timer for the trailing edge.\n timerId = setTimeout(timerExpired, wait);\n // Invoke the leading edge.\n return leading ? invokeFunc(time) : result;\n }\n\n function remainingWait(time) {\n var timeSinceLastCall = time - lastCallTime,\n timeSinceLastInvoke = time - lastInvokeTime,\n timeWaiting = wait - timeSinceLastCall;\n\n return maxing\n ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)\n : timeWaiting;\n }\n\n function shouldInvoke(time) {\n var timeSinceLastCall = time - lastCallTime,\n timeSinceLastInvoke = time - lastInvokeTime;\n\n // Either this is the first call, activity has stopped and we're at the\n // trailing edge, the system time has gone backwards and we're treating\n // it as the trailing edge, or we've hit the `maxWait` limit.\n return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n }\n\n function timerExpired() {\n var time = now();\n if (shouldInvoke(time)) {\n return trailingEdge(time);\n }\n // Restart the timer.\n timerId = setTimeout(timerExpired, remainingWait(time));\n }\n\n function trailingEdge(time) {\n timerId = undefined;\n\n // Only invoke if we have `lastArgs` which means `func` has been\n // debounced at least once.\n if (trailing && lastArgs) {\n return invokeFunc(time);\n }\n lastArgs = lastThis = undefined;\n return result;\n }\n\n function cancel() {\n if (timerId !== undefined) {\n clearTimeout(timerId);\n }\n lastInvokeTime = 0;\n lastArgs = lastCallTime = lastThis = timerId = undefined;\n }\n\n function flush() {\n return timerId === undefined ? result : trailingEdge(now());\n }\n\n function debounced() {\n var time = now(),\n isInvoking = shouldInvoke(time);\n\n lastArgs = arguments;\n lastThis = this;\n lastCallTime = time;\n\n if (isInvoking) {\n if (timerId === undefined) {\n return leadingEdge(lastCallTime);\n }\n if (maxing) {\n // Handle invocations in a tight loop.\n clearTimeout(timerId);\n timerId = setTimeout(timerExpired, wait);\n return invokeFunc(lastCallTime);\n }\n }\n if (timerId === undefined) {\n timerId = setTimeout(timerExpired, wait);\n }\n return result;\n }\n debounced.cancel = cancel;\n debounced.flush = flush;\n return debounced;\n }\n\n /**\n * Defers invoking the `func` until the current call stack has cleared. Any\n * additional arguments are provided to `func` when it's invoked.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to defer.\n * @param {...*} [args] The arguments to invoke `func` with.\n * @returns {number} Returns the timer id.\n * @example\n *\n * _.defer(function(text) {\n * console.log(text);\n * }, 'deferred');\n * // => Logs 'deferred' after one millisecond.\n */\n var defer = baseRest(function(func, args) {\n return baseDelay(func, 1, args);\n });\n\n /**\n * Invokes `func` after `wait` milliseconds. Any additional arguments are\n * provided to `func` when it's invoked.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to delay.\n * @param {number} wait The number of milliseconds to delay invocation.\n * @param {...*} [args] The arguments to invoke `func` with.\n * @returns {number} Returns the timer id.\n * @example\n *\n * _.delay(function(text) {\n * console.log(text);\n * }, 1000, 'later');\n * // => Logs 'later' after one second.\n */\n var delay = baseRest(function(func, wait, args) {\n return baseDelay(func, toNumber(wait) || 0, args);\n });\n\n /**\n * Creates a function that invokes `func` with arguments reversed.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Function\n * @param {Function} func The function to flip arguments for.\n * @returns {Function} Returns the new flipped function.\n * @example\n *\n * var flipped = _.flip(function() {\n * return _.toArray(arguments);\n * });\n *\n * flipped('a', 'b', 'c', 'd');\n * // => ['d', 'c', 'b', 'a']\n */\n function flip(func) {\n return createWrap(func, WRAP_FLIP_FLAG);\n }\n\n /**\n * Creates a function that memoizes the result of `func`. If `resolver` is\n * provided, it determines the cache key for storing the result based on the\n * arguments provided to the memoized function. By default, the first argument\n * provided to the memoized function is used as the map cache key. The `func`\n * is invoked with the `this` binding of the memoized function.\n *\n * **Note:** The cache is exposed as the `cache` property on the memoized\n * function. Its creation may be customized by replacing the `_.memoize.Cache`\n * constructor with one whose instances implement the\n * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to have its output memoized.\n * @param {Function} [resolver] The function to resolve the cache key.\n * @returns {Function} Returns the new memoized function.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n * var other = { 'c': 3, 'd': 4 };\n *\n * var values = _.memoize(_.values);\n * values(object);\n * // => [1, 2]\n *\n * values(other);\n * // => [3, 4]\n *\n * object.a = 2;\n * values(object);\n * // => [1, 2]\n *\n * // Modify the result cache.\n * values.cache.set(object, ['a', 'b']);\n * values(object);\n * // => ['a', 'b']\n *\n * // Replace `_.memoize.Cache`.\n * _.memoize.Cache = WeakMap;\n */\n function memoize(func, resolver) {\n if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n var memoized = function() {\n var args = arguments,\n key = resolver ? resolver.apply(this, args) : args[0],\n cache = memoized.cache;\n\n if (cache.has(key)) {\n return cache.get(key);\n }\n var result = func.apply(this, args);\n memoized.cache = cache.set(key, result) || cache;\n return result;\n };\n memoized.cache = new (memoize.Cache || MapCache);\n return memoized;\n }\n\n // Expose `MapCache`.\n memoize.Cache = MapCache;\n\n /**\n * Creates a function that negates the result of the predicate `func`. The\n * `func` predicate is invoked with the `this` binding and arguments of the\n * created function.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} predicate The predicate to negate.\n * @returns {Function} Returns the new negated function.\n * @example\n *\n * function isEven(n) {\n * return n % 2 == 0;\n * }\n *\n * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n * // => [1, 3, 5]\n */\n function negate(predicate) {\n if (typeof predicate != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n return function() {\n var args = arguments;\n switch (args.length) {\n case 0: return !predicate.call(this);\n case 1: return !predicate.call(this, args[0]);\n case 2: return !predicate.call(this, args[0], args[1]);\n case 3: return !predicate.call(this, args[0], args[1], args[2]);\n }\n return !predicate.apply(this, args);\n };\n }\n\n /**\n * Creates a function that is restricted to invoking `func` once. Repeat calls\n * to the function return the value of the first invocation. The `func` is\n * invoked with the `this` binding and arguments of the created function.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new restricted function.\n * @example\n *\n * var initialize = _.once(createApplication);\n * initialize();\n * initialize();\n * // => `createApplication` is invoked once\n */\n function once(func) {\n return before(2, func);\n }\n\n /**\n * Creates a function that invokes `func` with its arguments transformed.\n *\n * @static\n * @since 4.0.0\n * @memberOf _\n * @category Function\n * @param {Function} func The function to wrap.\n * @param {...(Function|Function[])} [transforms=[_.identity]]\n * The argument transforms.\n * @returns {Function} Returns the new function.\n * @example\n *\n * function doubled(n) {\n * return n * 2;\n * }\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * var func = _.overArgs(function(x, y) {\n * return [x, y];\n * }, [square, doubled]);\n *\n * func(9, 3);\n * // => [81, 6]\n *\n * func(10, 5);\n * // => [100, 10]\n */\n var overArgs = castRest(function(func, transforms) {\n transforms = (transforms.length == 1 && isArray(transforms[0]))\n ? arrayMap(transforms[0], baseUnary(getIteratee()))\n : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\n var funcsLength = transforms.length;\n return baseRest(function(args) {\n var index = -1,\n length = nativeMin(args.length, funcsLength);\n\n while (++index < length) {\n args[index] = transforms[index].call(this, args[index]);\n }\n return apply(func, this, args);\n });\n });\n\n /**\n * Creates a function that invokes `func` with `partials` prepended to the\n * arguments it receives. This method is like `_.bind` except it does **not**\n * alter the `this` binding.\n *\n * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for partially applied arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of partially\n * applied functions.\n *\n * @static\n * @memberOf _\n * @since 0.2.0\n * @category Function\n * @param {Function} func The function to partially apply arguments to.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new partially applied function.\n * @example\n *\n * function greet(greeting, name) {\n * return greeting + ' ' + name;\n * }\n *\n * var sayHelloTo = _.partial(greet, 'hello');\n * sayHelloTo('fred');\n * // => 'hello fred'\n *\n * // Partially applied with placeholders.\n * var greetFred = _.partial(greet, _, 'fred');\n * greetFred('hi');\n * // => 'hi fred'\n */\n var partial = baseRest(function(func, partials) {\n var holders = replaceHolders(partials, getHolder(partial));\n return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n });\n\n /**\n * This method is like `_.partial` except that partially applied arguments\n * are appended to the arguments it receives.\n *\n * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for partially applied arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of partially\n * applied functions.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Function\n * @param {Function} func The function to partially apply arguments to.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new partially applied function.\n * @example\n *\n * function greet(greeting, name) {\n * return greeting + ' ' + name;\n * }\n *\n * var greetFred = _.partialRight(greet, 'fred');\n * greetFred('hi');\n * // => 'hi fred'\n *\n * // Partially applied with placeholders.\n * var sayHelloTo = _.partialRight(greet, 'hello', _);\n * sayHelloTo('fred');\n * // => 'hello fred'\n */\n var partialRight = baseRest(function(func, partials) {\n var holders = replaceHolders(partials, getHolder(partialRight));\n return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n });\n\n /**\n * Creates a function that invokes `func` with arguments arranged according\n * to the specified `indexes` where the argument value at the first index is\n * provided as the first argument, the argument value at the second index is\n * provided as the second argument, and so on.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} func The function to rearrange arguments for.\n * @param {...(number|number[])} indexes The arranged argument indexes.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var rearged = _.rearg(function(a, b, c) {\n * return [a, b, c];\n * }, [2, 0, 1]);\n *\n * rearged('b', 'c', 'a')\n * // => ['a', 'b', 'c']\n */\n var rearg = flatRest(function(func, indexes) {\n return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n });\n\n /**\n * Creates a function that invokes `func` with the `this` binding of the\n * created function and arguments from `start` and beyond provided as\n * an array.\n *\n * **Note:** This method is based on the\n * [rest parameter](https://mdn.io/rest_parameters).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Function\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var say = _.rest(function(what, names) {\n * return what + ' ' + _.initial(names).join(', ') +\n * (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n * });\n *\n * say('hello', 'fred', 'barney', 'pebbles');\n * // => 'hello fred, barney, & pebbles'\n */\n function rest(func, start) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n start = start === undefined ? start : toInteger(start);\n return baseRest(func, start);\n }\n\n /**\n * Creates a function that invokes `func` with the `this` binding of the\n * create function and an array of arguments much like\n * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n *\n * **Note:** This method is based on the\n * [spread operator](https://mdn.io/spread_operator).\n *\n * @static\n * @memberOf _\n * @since 3.2.0\n * @category Function\n * @param {Function} func The function to spread arguments over.\n * @param {number} [start=0] The start position of the spread.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var say = _.spread(function(who, what) {\n * return who + ' says ' + what;\n * });\n *\n * say(['fred', 'hello']);\n * // => 'fred says hello'\n *\n * var numbers = Promise.all([\n * Promise.resolve(40),\n * Promise.resolve(36)\n * ]);\n *\n * numbers.then(_.spread(function(x, y) {\n * return x + y;\n * }));\n * // => a Promise of 76\n */\n function spread(func, start) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n start = start == null ? 0 : nativeMax(toInteger(start), 0);\n return baseRest(function(args) {\n var array = args[start],\n otherArgs = castSlice(args, 0, start);\n\n if (array) {\n arrayPush(otherArgs, array);\n }\n return apply(func, this, otherArgs);\n });\n }\n\n /**\n * Creates a throttled function that only invokes `func` at most once per\n * every `wait` milliseconds. The throttled function comes with a `cancel`\n * method to cancel delayed `func` invocations and a `flush` method to\n * immediately invoke them. Provide `options` to indicate whether `func`\n * should be invoked on the leading and/or trailing edge of the `wait`\n * timeout. The `func` is invoked with the last arguments provided to the\n * throttled function. Subsequent calls to the throttled function return the\n * result of the last `func` invocation.\n *\n * **Note:** If `leading` and `trailing` options are `true`, `func` is\n * invoked on the trailing edge of the timeout only if the throttled function\n * is invoked more than once during the `wait` timeout.\n *\n * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n *\n * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n * for details over the differences between `_.throttle` and `_.debounce`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to throttle.\n * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n * @param {Object} [options={}] The options object.\n * @param {boolean} [options.leading=true]\n * Specify invoking on the leading edge of the timeout.\n * @param {boolean} [options.trailing=true]\n * Specify invoking on the trailing edge of the timeout.\n * @returns {Function} Returns the new throttled function.\n * @example\n *\n * // Avoid excessively updating the position while scrolling.\n * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n *\n * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n * jQuery(element).on('click', throttled);\n *\n * // Cancel the trailing throttled invocation.\n * jQuery(window).on('popstate', throttled.cancel);\n */\n function throttle(func, wait, options) {\n var leading = true,\n trailing = true;\n\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n if (isObject(options)) {\n leading = 'leading' in options ? !!options.leading : leading;\n trailing = 'trailing' in options ? !!options.trailing : trailing;\n }\n return debounce(func, wait, {\n 'leading': leading,\n 'maxWait': wait,\n 'trailing': trailing\n });\n }\n\n /**\n * Creates a function that accepts up to one argument, ignoring any\n * additional arguments.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Function\n * @param {Function} func The function to cap arguments for.\n * @returns {Function} Returns the new capped function.\n * @example\n *\n * _.map(['6', '8', '10'], _.unary(parseInt));\n * // => [6, 8, 10]\n */\n function unary(func) {\n return ary(func, 1);\n }\n\n /**\n * Creates a function that provides `value` to `wrapper` as its first\n * argument. Any additional arguments provided to the function are appended\n * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n * binding of the created function.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {*} value The value to wrap.\n * @param {Function} [wrapper=identity] The wrapper function.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var p = _.wrap(_.escape, function(func, text) {\n * return '' + func(text) + '
';\n * });\n *\n * p('fred, barney, & pebbles');\n * // => 'fred, barney, & pebbles
'\n */\n function wrap(value, wrapper) {\n return partial(castFunction(wrapper), value);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Casts `value` as an array if it's not one.\n *\n * @static\n * @memberOf _\n * @since 4.4.0\n * @category Lang\n * @param {*} value The value to inspect.\n * @returns {Array} Returns the cast array.\n * @example\n *\n * _.castArray(1);\n * // => [1]\n *\n * _.castArray({ 'a': 1 });\n * // => [{ 'a': 1 }]\n *\n * _.castArray('abc');\n * // => ['abc']\n *\n * _.castArray(null);\n * // => [null]\n *\n * _.castArray(undefined);\n * // => [undefined]\n *\n * _.castArray();\n * // => []\n *\n * var array = [1, 2, 3];\n * console.log(_.castArray(array) === array);\n * // => true\n */\n function castArray() {\n if (!arguments.length) {\n return [];\n }\n var value = arguments[0];\n return isArray(value) ? value : [value];\n }\n\n /**\n * Creates a shallow clone of `value`.\n *\n * **Note:** This method is loosely based on the\n * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n * and supports cloning arrays, array buffers, booleans, date objects, maps,\n * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n * arrays. The own enumerable properties of `arguments` objects are cloned\n * as plain objects. An empty object is returned for uncloneable values such\n * as error objects, functions, DOM nodes, and WeakMaps.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to clone.\n * @returns {*} Returns the cloned value.\n * @see _.cloneDeep\n * @example\n *\n * var objects = [{ 'a': 1 }, { 'b': 2 }];\n *\n * var shallow = _.clone(objects);\n * console.log(shallow[0] === objects[0]);\n * // => true\n */\n function clone(value) {\n return baseClone(value, CLONE_SYMBOLS_FLAG);\n }\n\n /**\n * This method is like `_.clone` except that it accepts `customizer` which\n * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n * cloning is handled by the method instead. The `customizer` is invoked with\n * up to four arguments; (value [, index|key, object, stack]).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to clone.\n * @param {Function} [customizer] The function to customize cloning.\n * @returns {*} Returns the cloned value.\n * @see _.cloneDeepWith\n * @example\n *\n * function customizer(value) {\n * if (_.isElement(value)) {\n * return value.cloneNode(false);\n * }\n * }\n *\n * var el = _.cloneWith(document.body, customizer);\n *\n * console.log(el === document.body);\n * // => false\n * console.log(el.nodeName);\n * // => 'BODY'\n * console.log(el.childNodes.length);\n * // => 0\n */\n function cloneWith(value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n }\n\n /**\n * This method is like `_.clone` except that it recursively clones `value`.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Lang\n * @param {*} value The value to recursively clone.\n * @returns {*} Returns the deep cloned value.\n * @see _.clone\n * @example\n *\n * var objects = [{ 'a': 1 }, { 'b': 2 }];\n *\n * var deep = _.cloneDeep(objects);\n * console.log(deep[0] === objects[0]);\n * // => false\n */\n function cloneDeep(value) {\n return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n }\n\n /**\n * This method is like `_.cloneWith` except that it recursively clones `value`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to recursively clone.\n * @param {Function} [customizer] The function to customize cloning.\n * @returns {*} Returns the deep cloned value.\n * @see _.cloneWith\n * @example\n *\n * function customizer(value) {\n * if (_.isElement(value)) {\n * return value.cloneNode(true);\n * }\n * }\n *\n * var el = _.cloneDeepWith(document.body, customizer);\n *\n * console.log(el === document.body);\n * // => false\n * console.log(el.nodeName);\n * // => 'BODY'\n * console.log(el.childNodes.length);\n * // => 20\n */\n function cloneDeepWith(value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n }\n\n /**\n * Checks if `object` conforms to `source` by invoking the predicate\n * properties of `source` with the corresponding property values of `object`.\n *\n * **Note:** This method is equivalent to `_.conforms` when `source` is\n * partially applied.\n *\n * @static\n * @memberOf _\n * @since 4.14.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property predicates to conform to.\n * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n *\n * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n * // => true\n *\n * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n * // => false\n */\n function conformsTo(object, source) {\n return source == null || baseConformsTo(object, source, keys(source));\n }\n\n /**\n * Performs a\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * comparison between two values to determine if they are equivalent.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.eq(object, object);\n * // => true\n *\n * _.eq(object, other);\n * // => false\n *\n * _.eq('a', 'a');\n * // => true\n *\n * _.eq('a', Object('a'));\n * // => false\n *\n * _.eq(NaN, NaN);\n * // => true\n */\n function eq(value, other) {\n return value === other || (value !== value && other !== other);\n }\n\n /**\n * Checks if `value` is greater than `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than `other`,\n * else `false`.\n * @see _.lt\n * @example\n *\n * _.gt(3, 1);\n * // => true\n *\n * _.gt(3, 3);\n * // => false\n *\n * _.gt(1, 3);\n * // => false\n */\n var gt = createRelationalOperation(baseGt);\n\n /**\n * Checks if `value` is greater than or equal to `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than or equal to\n * `other`, else `false`.\n * @see _.lte\n * @example\n *\n * _.gte(3, 1);\n * // => true\n *\n * _.gte(3, 3);\n * // => true\n *\n * _.gte(1, 3);\n * // => false\n */\n var gte = createRelationalOperation(function(value, other) {\n return value >= other;\n });\n\n /**\n * Checks if `value` is likely an `arguments` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n * else `false`.\n * @example\n *\n * _.isArguments(function() { return arguments; }());\n * // => true\n *\n * _.isArguments([1, 2, 3]);\n * // => false\n */\n var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n !propertyIsEnumerable.call(value, 'callee');\n };\n\n /**\n * Checks if `value` is classified as an `Array` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n * @example\n *\n * _.isArray([1, 2, 3]);\n * // => true\n *\n * _.isArray(document.body.children);\n * // => false\n *\n * _.isArray('abc');\n * // => false\n *\n * _.isArray(_.noop);\n * // => false\n */\n var isArray = Array.isArray;\n\n /**\n * Checks if `value` is classified as an `ArrayBuffer` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n * @example\n *\n * _.isArrayBuffer(new ArrayBuffer(2));\n * // => true\n *\n * _.isArrayBuffer(new Array(2));\n * // => false\n */\n var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\n /**\n * Checks if `value` is array-like. A value is considered array-like if it's\n * not a function and has a `value.length` that's an integer greater than or\n * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n * @example\n *\n * _.isArrayLike([1, 2, 3]);\n * // => true\n *\n * _.isArrayLike(document.body.children);\n * // => true\n *\n * _.isArrayLike('abc');\n * // => true\n *\n * _.isArrayLike(_.noop);\n * // => false\n */\n function isArrayLike(value) {\n return value != null && isLength(value.length) && !isFunction(value);\n }\n\n /**\n * This method is like `_.isArrayLike` except that it also checks if `value`\n * is an object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array-like object,\n * else `false`.\n * @example\n *\n * _.isArrayLikeObject([1, 2, 3]);\n * // => true\n *\n * _.isArrayLikeObject(document.body.children);\n * // => true\n *\n * _.isArrayLikeObject('abc');\n * // => false\n *\n * _.isArrayLikeObject(_.noop);\n * // => false\n */\n function isArrayLikeObject(value) {\n return isObjectLike(value) && isArrayLike(value);\n }\n\n /**\n * Checks if `value` is classified as a boolean primitive or object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n * @example\n *\n * _.isBoolean(false);\n * // => true\n *\n * _.isBoolean(null);\n * // => false\n */\n function isBoolean(value) {\n return value === true || value === false ||\n (isObjectLike(value) && baseGetTag(value) == boolTag);\n }\n\n /**\n * Checks if `value` is a buffer.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n * @example\n *\n * _.isBuffer(new Buffer(2));\n * // => true\n *\n * _.isBuffer(new Uint8Array(2));\n * // => false\n */\n var isBuffer = nativeIsBuffer || stubFalse;\n\n /**\n * Checks if `value` is classified as a `Date` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n * @example\n *\n * _.isDate(new Date);\n * // => true\n *\n * _.isDate('Mon April 23 2012');\n * // => false\n */\n var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\n /**\n * Checks if `value` is likely a DOM element.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n * @example\n *\n * _.isElement(document.body);\n * // => true\n *\n * _.isElement('');\n * // => false\n */\n function isElement(value) {\n return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n }\n\n /**\n * Checks if `value` is an empty object, collection, map, or set.\n *\n * Objects are considered empty if they have no own enumerable string keyed\n * properties.\n *\n * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n * jQuery-like collections are considered empty if they have a `length` of `0`.\n * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n * @example\n *\n * _.isEmpty(null);\n * // => true\n *\n * _.isEmpty(true);\n * // => true\n *\n * _.isEmpty(1);\n * // => true\n *\n * _.isEmpty([1, 2, 3]);\n * // => false\n *\n * _.isEmpty({ 'a': 1 });\n * // => false\n */\n function isEmpty(value) {\n if (value == null) {\n return true;\n }\n if (isArrayLike(value) &&\n (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n return !value.length;\n }\n var tag = getTag(value);\n if (tag == mapTag || tag == setTag) {\n return !value.size;\n }\n if (isPrototype(value)) {\n return !baseKeys(value).length;\n }\n for (var key in value) {\n if (hasOwnProperty.call(value, key)) {\n return false;\n }\n }\n return true;\n }\n\n /**\n * Performs a deep comparison between two values to determine if they are\n * equivalent.\n *\n * **Note:** This method supports comparing arrays, array buffers, booleans,\n * date objects, error objects, maps, numbers, `Object` objects, regexes,\n * sets, strings, symbols, and typed arrays. `Object` objects are compared\n * by their own, not inherited, enumerable properties. Functions and DOM\n * nodes are compared by strict equality, i.e. `===`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.isEqual(object, other);\n * // => true\n *\n * object === other;\n * // => false\n */\n function isEqual(value, other) {\n return baseIsEqual(value, other);\n }\n\n /**\n * This method is like `_.isEqual` except that it accepts `customizer` which\n * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n * are handled by the method instead. The `customizer` is invoked with up to\n * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * function isGreeting(value) {\n * return /^h(?:i|ello)$/.test(value);\n * }\n *\n * function customizer(objValue, othValue) {\n * if (isGreeting(objValue) && isGreeting(othValue)) {\n * return true;\n * }\n * }\n *\n * var array = ['hello', 'goodbye'];\n * var other = ['hi', 'goodbye'];\n *\n * _.isEqualWith(array, other, customizer);\n * // => true\n */\n function isEqualWith(value, other, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n var result = customizer ? customizer(value, other) : undefined;\n return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n }\n\n /**\n * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n * `SyntaxError`, `TypeError`, or `URIError` object.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n * @example\n *\n * _.isError(new Error);\n * // => true\n *\n * _.isError(Error);\n * // => false\n */\n function isError(value) {\n if (!isObjectLike(value)) {\n return false;\n }\n var tag = baseGetTag(value);\n return tag == errorTag || tag == domExcTag ||\n (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n }\n\n /**\n * Checks if `value` is a finite primitive number.\n *\n * **Note:** This method is based on\n * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n * @example\n *\n * _.isFinite(3);\n * // => true\n *\n * _.isFinite(Number.MIN_VALUE);\n * // => true\n *\n * _.isFinite(Infinity);\n * // => false\n *\n * _.isFinite('3');\n * // => false\n */\n function isFinite(value) {\n return typeof value == 'number' && nativeIsFinite(value);\n }\n\n /**\n * Checks if `value` is classified as a `Function` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n * @example\n *\n * _.isFunction(_);\n * // => true\n *\n * _.isFunction(/abc/);\n * // => false\n */\n function isFunction(value) {\n if (!isObject(value)) {\n return false;\n }\n // The use of `Object#toString` avoids issues with the `typeof` operator\n // in Safari 9 which returns 'object' for typed arrays and other constructors.\n var tag = baseGetTag(value);\n return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n }\n\n /**\n * Checks if `value` is an integer.\n *\n * **Note:** This method is based on\n * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n * @example\n *\n * _.isInteger(3);\n * // => true\n *\n * _.isInteger(Number.MIN_VALUE);\n * // => false\n *\n * _.isInteger(Infinity);\n * // => false\n *\n * _.isInteger('3');\n * // => false\n */\n function isInteger(value) {\n return typeof value == 'number' && value == toInteger(value);\n }\n\n /**\n * Checks if `value` is a valid array-like length.\n *\n * **Note:** This method is loosely based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n * @example\n *\n * _.isLength(3);\n * // => true\n *\n * _.isLength(Number.MIN_VALUE);\n * // => false\n *\n * _.isLength(Infinity);\n * // => false\n *\n * _.isLength('3');\n * // => false\n */\n function isLength(value) {\n return typeof value == 'number' &&\n value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n }\n\n /**\n * Checks if `value` is the\n * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n * @example\n *\n * _.isObject({});\n * // => true\n *\n * _.isObject([1, 2, 3]);\n * // => true\n *\n * _.isObject(_.noop);\n * // => true\n *\n * _.isObject(null);\n * // => false\n */\n function isObject(value) {\n var type = typeof value;\n return value != null && (type == 'object' || type == 'function');\n }\n\n /**\n * Checks if `value` is object-like. A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\n function isObjectLike(value) {\n return value != null && typeof value == 'object';\n }\n\n /**\n * Checks if `value` is classified as a `Map` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n * @example\n *\n * _.isMap(new Map);\n * // => true\n *\n * _.isMap(new WeakMap);\n * // => false\n */\n var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\n /**\n * Performs a partial deep comparison between `object` and `source` to\n * determine if `object` contains equivalent property values.\n *\n * **Note:** This method is equivalent to `_.matches` when `source` is\n * partially applied.\n *\n * Partial comparisons will match empty array and empty object `source`\n * values against any array or object value, respectively. See `_.isEqual`\n * for a list of supported value comparisons.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n *\n * _.isMatch(object, { 'b': 2 });\n * // => true\n *\n * _.isMatch(object, { 'b': 1 });\n * // => false\n */\n function isMatch(object, source) {\n return object === source || baseIsMatch(object, source, getMatchData(source));\n }\n\n /**\n * This method is like `_.isMatch` except that it accepts `customizer` which\n * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n * are handled by the method instead. The `customizer` is invoked with five\n * arguments: (objValue, srcValue, index|key, object, source).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n * @example\n *\n * function isGreeting(value) {\n * return /^h(?:i|ello)$/.test(value);\n * }\n *\n * function customizer(objValue, srcValue) {\n * if (isGreeting(objValue) && isGreeting(srcValue)) {\n * return true;\n * }\n * }\n *\n * var object = { 'greeting': 'hello' };\n * var source = { 'greeting': 'hi' };\n *\n * _.isMatchWith(object, source, customizer);\n * // => true\n */\n function isMatchWith(object, source, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseIsMatch(object, source, getMatchData(source), customizer);\n }\n\n /**\n * Checks if `value` is `NaN`.\n *\n * **Note:** This method is based on\n * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n * `undefined` and other non-number values.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n * @example\n *\n * _.isNaN(NaN);\n * // => true\n *\n * _.isNaN(new Number(NaN));\n * // => true\n *\n * isNaN(undefined);\n * // => true\n *\n * _.isNaN(undefined);\n * // => false\n */\n function isNaN(value) {\n // An `NaN` primitive is the only value that is not equal to itself.\n // Perform the `toStringTag` check first to avoid errors with some\n // ActiveX objects in IE.\n return isNumber(value) && value != +value;\n }\n\n /**\n * Checks if `value` is a pristine native function.\n *\n * **Note:** This method can't reliably detect native functions in the presence\n * of the core-js package because core-js circumvents this kind of detection.\n * Despite multiple requests, the core-js maintainer has made it clear: any\n * attempt to fix the detection will be obstructed. As a result, we're left\n * with little choice but to throw an error. Unfortunately, this also affects\n * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n * which rely on core-js.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function,\n * else `false`.\n * @example\n *\n * _.isNative(Array.prototype.push);\n * // => true\n *\n * _.isNative(_);\n * // => false\n */\n function isNative(value) {\n if (isMaskable(value)) {\n throw new Error(CORE_ERROR_TEXT);\n }\n return baseIsNative(value);\n }\n\n /**\n * Checks if `value` is `null`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n * @example\n *\n * _.isNull(null);\n * // => true\n *\n * _.isNull(void 0);\n * // => false\n */\n function isNull(value) {\n return value === null;\n }\n\n /**\n * Checks if `value` is `null` or `undefined`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n * @example\n *\n * _.isNil(null);\n * // => true\n *\n * _.isNil(void 0);\n * // => true\n *\n * _.isNil(NaN);\n * // => false\n */\n function isNil(value) {\n return value == null;\n }\n\n /**\n * Checks if `value` is classified as a `Number` primitive or object.\n *\n * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n * classified as numbers, use the `_.isFinite` method.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n * @example\n *\n * _.isNumber(3);\n * // => true\n *\n * _.isNumber(Number.MIN_VALUE);\n * // => true\n *\n * _.isNumber(Infinity);\n * // => true\n *\n * _.isNumber('3');\n * // => false\n */\n function isNumber(value) {\n return typeof value == 'number' ||\n (isObjectLike(value) && baseGetTag(value) == numberTag);\n }\n\n /**\n * Checks if `value` is a plain object, that is, an object created by the\n * `Object` constructor or one with a `[[Prototype]]` of `null`.\n *\n * @static\n * @memberOf _\n * @since 0.8.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * _.isPlainObject(new Foo);\n * // => false\n *\n * _.isPlainObject([1, 2, 3]);\n * // => false\n *\n * _.isPlainObject({ 'x': 0, 'y': 0 });\n * // => true\n *\n * _.isPlainObject(Object.create(null));\n * // => true\n */\n function isPlainObject(value) {\n if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n return false;\n }\n var proto = getPrototype(value);\n if (proto === null) {\n return true;\n }\n var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n funcToString.call(Ctor) == objectCtorString;\n }\n\n /**\n * Checks if `value` is classified as a `RegExp` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n * @example\n *\n * _.isRegExp(/abc/);\n * // => true\n *\n * _.isRegExp('/abc/');\n * // => false\n */\n var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\n /**\n * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n * double precision number which isn't the result of a rounded unsafe integer.\n *\n * **Note:** This method is based on\n * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n * @example\n *\n * _.isSafeInteger(3);\n * // => true\n *\n * _.isSafeInteger(Number.MIN_VALUE);\n * // => false\n *\n * _.isSafeInteger(Infinity);\n * // => false\n *\n * _.isSafeInteger('3');\n * // => false\n */\n function isSafeInteger(value) {\n return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n }\n\n /**\n * Checks if `value` is classified as a `Set` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n * @example\n *\n * _.isSet(new Set);\n * // => true\n *\n * _.isSet(new WeakSet);\n * // => false\n */\n var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\n /**\n * Checks if `value` is classified as a `String` primitive or object.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n * @example\n *\n * _.isString('abc');\n * // => true\n *\n * _.isString(1);\n * // => false\n */\n function isString(value) {\n return typeof value == 'string' ||\n (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n }\n\n /**\n * Checks if `value` is classified as a `Symbol` primitive or object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n * @example\n *\n * _.isSymbol(Symbol.iterator);\n * // => true\n *\n * _.isSymbol('abc');\n * // => false\n */\n function isSymbol(value) {\n return typeof value == 'symbol' ||\n (isObjectLike(value) && baseGetTag(value) == symbolTag);\n }\n\n /**\n * Checks if `value` is classified as a typed array.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n * @example\n *\n * _.isTypedArray(new Uint8Array);\n * // => true\n *\n * _.isTypedArray([]);\n * // => false\n */\n var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\n /**\n * Checks if `value` is `undefined`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n * @example\n *\n * _.isUndefined(void 0);\n * // => true\n *\n * _.isUndefined(null);\n * // => false\n */\n function isUndefined(value) {\n return value === undefined;\n }\n\n /**\n * Checks if `value` is classified as a `WeakMap` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n * @example\n *\n * _.isWeakMap(new WeakMap);\n * // => true\n *\n * _.isWeakMap(new Map);\n * // => false\n */\n function isWeakMap(value) {\n return isObjectLike(value) && getTag(value) == weakMapTag;\n }\n\n /**\n * Checks if `value` is classified as a `WeakSet` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n * @example\n *\n * _.isWeakSet(new WeakSet);\n * // => true\n *\n * _.isWeakSet(new Set);\n * // => false\n */\n function isWeakSet(value) {\n return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n }\n\n /**\n * Checks if `value` is less than `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than `other`,\n * else `false`.\n * @see _.gt\n * @example\n *\n * _.lt(1, 3);\n * // => true\n *\n * _.lt(3, 3);\n * // => false\n *\n * _.lt(3, 1);\n * // => false\n */\n var lt = createRelationalOperation(baseLt);\n\n /**\n * Checks if `value` is less than or equal to `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than or equal to\n * `other`, else `false`.\n * @see _.gte\n * @example\n *\n * _.lte(1, 3);\n * // => true\n *\n * _.lte(3, 3);\n * // => true\n *\n * _.lte(3, 1);\n * // => false\n */\n var lte = createRelationalOperation(function(value, other) {\n return value <= other;\n });\n\n /**\n * Converts `value` to an array.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {Array} Returns the converted array.\n * @example\n *\n * _.toArray({ 'a': 1, 'b': 2 });\n * // => [1, 2]\n *\n * _.toArray('abc');\n * // => ['a', 'b', 'c']\n *\n * _.toArray(1);\n * // => []\n *\n * _.toArray(null);\n * // => []\n */\n function toArray(value) {\n if (!value) {\n return [];\n }\n if (isArrayLike(value)) {\n return isString(value) ? stringToArray(value) : copyArray(value);\n }\n if (symIterator && value[symIterator]) {\n return iteratorToArray(value[symIterator]());\n }\n var tag = getTag(value),\n func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\n return func(value);\n }\n\n /**\n * Converts `value` to a finite number.\n *\n * @static\n * @memberOf _\n * @since 4.12.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted number.\n * @example\n *\n * _.toFinite(3.2);\n * // => 3.2\n *\n * _.toFinite(Number.MIN_VALUE);\n * // => 5e-324\n *\n * _.toFinite(Infinity);\n * // => 1.7976931348623157e+308\n *\n * _.toFinite('3.2');\n * // => 3.2\n */\n function toFinite(value) {\n if (!value) {\n return value === 0 ? value : 0;\n }\n value = toNumber(value);\n if (value === INFINITY || value === -INFINITY) {\n var sign = (value < 0 ? -1 : 1);\n return sign * MAX_INTEGER;\n }\n return value === value ? value : 0;\n }\n\n /**\n * Converts `value` to an integer.\n *\n * **Note:** This method is loosely based on\n * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toInteger(3.2);\n * // => 3\n *\n * _.toInteger(Number.MIN_VALUE);\n * // => 0\n *\n * _.toInteger(Infinity);\n * // => 1.7976931348623157e+308\n *\n * _.toInteger('3.2');\n * // => 3\n */\n function toInteger(value) {\n var result = toFinite(value),\n remainder = result % 1;\n\n return result === result ? (remainder ? result - remainder : result) : 0;\n }\n\n /**\n * Converts `value` to an integer suitable for use as the length of an\n * array-like object.\n *\n * **Note:** This method is based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toLength(3.2);\n * // => 3\n *\n * _.toLength(Number.MIN_VALUE);\n * // => 0\n *\n * _.toLength(Infinity);\n * // => 4294967295\n *\n * _.toLength('3.2');\n * // => 3\n */\n function toLength(value) {\n return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n }\n\n /**\n * Converts `value` to a number.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to process.\n * @returns {number} Returns the number.\n * @example\n *\n * _.toNumber(3.2);\n * // => 3.2\n *\n * _.toNumber(Number.MIN_VALUE);\n * // => 5e-324\n *\n * _.toNumber(Infinity);\n * // => Infinity\n *\n * _.toNumber('3.2');\n * // => 3.2\n */\n function toNumber(value) {\n if (typeof value == 'number') {\n return value;\n }\n if (isSymbol(value)) {\n return NAN;\n }\n if (isObject(value)) {\n var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n value = isObject(other) ? (other + '') : other;\n }\n if (typeof value != 'string') {\n return value === 0 ? value : +value;\n }\n value = baseTrim(value);\n var isBinary = reIsBinary.test(value);\n return (isBinary || reIsOctal.test(value))\n ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n : (reIsBadHex.test(value) ? NAN : +value);\n }\n\n /**\n * Converts `value` to a plain object flattening inherited enumerable string\n * keyed properties of `value` to own properties of the plain object.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {Object} Returns the converted plain object.\n * @example\n *\n * function Foo() {\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.assign({ 'a': 1 }, new Foo);\n * // => { 'a': 1, 'b': 2 }\n *\n * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n * // => { 'a': 1, 'b': 2, 'c': 3 }\n */\n function toPlainObject(value) {\n return copyObject(value, keysIn(value));\n }\n\n /**\n * Converts `value` to a safe integer. A safe integer can be compared and\n * represented correctly.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toSafeInteger(3.2);\n * // => 3\n *\n * _.toSafeInteger(Number.MIN_VALUE);\n * // => 0\n *\n * _.toSafeInteger(Infinity);\n * // => 9007199254740991\n *\n * _.toSafeInteger('3.2');\n * // => 3\n */\n function toSafeInteger(value) {\n return value\n ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n : (value === 0 ? value : 0);\n }\n\n /**\n * Converts `value` to a string. An empty string is returned for `null`\n * and `undefined` values. The sign of `-0` is preserved.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n * @example\n *\n * _.toString(null);\n * // => ''\n *\n * _.toString(-0);\n * // => '-0'\n *\n * _.toString([1, 2, 3]);\n * // => '1,2,3'\n */\n function toString(value) {\n return value == null ? '' : baseToString(value);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Assigns own enumerable string keyed properties of source objects to the\n * destination object. Source objects are applied from left to right.\n * Subsequent sources overwrite property assignments of previous sources.\n *\n * **Note:** This method mutates `object` and is loosely based on\n * [`Object.assign`](https://mdn.io/Object/assign).\n *\n * @static\n * @memberOf _\n * @since 0.10.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.assignIn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * function Bar() {\n * this.c = 3;\n * }\n *\n * Foo.prototype.b = 2;\n * Bar.prototype.d = 4;\n *\n * _.assign({ 'a': 0 }, new Foo, new Bar);\n * // => { 'a': 1, 'c': 3 }\n */\n var assign = createAssigner(function(object, source) {\n if (isPrototype(source) || isArrayLike(source)) {\n copyObject(source, keys(source), object);\n return;\n }\n for (var key in source) {\n if (hasOwnProperty.call(source, key)) {\n assignValue(object, key, source[key]);\n }\n }\n });\n\n /**\n * This method is like `_.assign` except that it iterates over own and\n * inherited source properties.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias extend\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.assign\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * function Bar() {\n * this.c = 3;\n * }\n *\n * Foo.prototype.b = 2;\n * Bar.prototype.d = 4;\n *\n * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n */\n var assignIn = createAssigner(function(object, source) {\n copyObject(source, keysIn(source), object);\n });\n\n /**\n * This method is like `_.assignIn` except that it accepts `customizer`\n * which is invoked to produce the assigned values. If `customizer` returns\n * `undefined`, assignment is handled by the method instead. The `customizer`\n * is invoked with five arguments: (objValue, srcValue, key, object, source).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias extendWith\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @see _.assignWith\n * @example\n *\n * function customizer(objValue, srcValue) {\n * return _.isUndefined(objValue) ? srcValue : objValue;\n * }\n *\n * var defaults = _.partialRight(_.assignInWith, customizer);\n *\n * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n copyObject(source, keysIn(source), object, customizer);\n });\n\n /**\n * This method is like `_.assign` except that it accepts `customizer`\n * which is invoked to produce the assigned values. If `customizer` returns\n * `undefined`, assignment is handled by the method instead. The `customizer`\n * is invoked with five arguments: (objValue, srcValue, key, object, source).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @see _.assignInWith\n * @example\n *\n * function customizer(objValue, srcValue) {\n * return _.isUndefined(objValue) ? srcValue : objValue;\n * }\n *\n * var defaults = _.partialRight(_.assignWith, customizer);\n *\n * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n copyObject(source, keys(source), object, customizer);\n });\n\n /**\n * Creates an array of values corresponding to `paths` of `object`.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Array} Returns the picked values.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n *\n * _.at(object, ['a[0].b.c', 'a[1]']);\n * // => [3, 4]\n */\n var at = flatRest(baseAt);\n\n /**\n * Creates an object that inherits from the `prototype` object. If a\n * `properties` object is given, its own enumerable string keyed properties\n * are assigned to the created object.\n *\n * @static\n * @memberOf _\n * @since 2.3.0\n * @category Object\n * @param {Object} prototype The object to inherit from.\n * @param {Object} [properties] The properties to assign to the object.\n * @returns {Object} Returns the new object.\n * @example\n *\n * function Shape() {\n * this.x = 0;\n * this.y = 0;\n * }\n *\n * function Circle() {\n * Shape.call(this);\n * }\n *\n * Circle.prototype = _.create(Shape.prototype, {\n * 'constructor': Circle\n * });\n *\n * var circle = new Circle;\n * circle instanceof Circle;\n * // => true\n *\n * circle instanceof Shape;\n * // => true\n */\n function create(prototype, properties) {\n var result = baseCreate(prototype);\n return properties == null ? result : baseAssign(result, properties);\n }\n\n /**\n * Assigns own and inherited enumerable string keyed properties of source\n * objects to the destination object for all destination properties that\n * resolve to `undefined`. Source objects are applied from left to right.\n * Once a property is set, additional values of the same property are ignored.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.defaultsDeep\n * @example\n *\n * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n var defaults = baseRest(function(object, sources) {\n object = Object(object);\n\n var index = -1;\n var length = sources.length;\n var guard = length > 2 ? sources[2] : undefined;\n\n if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n length = 1;\n }\n\n while (++index < length) {\n var source = sources[index];\n var props = keysIn(source);\n var propsIndex = -1;\n var propsLength = props.length;\n\n while (++propsIndex < propsLength) {\n var key = props[propsIndex];\n var value = object[key];\n\n if (value === undefined ||\n (eq(value, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n object[key] = source[key];\n }\n }\n }\n\n return object;\n });\n\n /**\n * This method is like `_.defaults` except that it recursively assigns\n * default properties.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 3.10.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.defaults\n * @example\n *\n * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n * // => { 'a': { 'b': 2, 'c': 3 } }\n */\n var defaultsDeep = baseRest(function(args) {\n args.push(undefined, customDefaultsMerge);\n return apply(mergeWith, undefined, args);\n });\n\n /**\n * This method is like `_.find` except that it returns the key of the first\n * element `predicate` returns truthy for instead of the element itself.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {string|undefined} Returns the key of the matched element,\n * else `undefined`.\n * @example\n *\n * var users = {\n * 'barney': { 'age': 36, 'active': true },\n * 'fred': { 'age': 40, 'active': false },\n * 'pebbles': { 'age': 1, 'active': true }\n * };\n *\n * _.findKey(users, function(o) { return o.age < 40; });\n * // => 'barney' (iteration order is not guaranteed)\n *\n * // The `_.matches` iteratee shorthand.\n * _.findKey(users, { 'age': 1, 'active': true });\n * // => 'pebbles'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findKey(users, ['active', false]);\n * // => 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.findKey(users, 'active');\n * // => 'barney'\n */\n function findKey(object, predicate) {\n return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n }\n\n /**\n * This method is like `_.findKey` except that it iterates over elements of\n * a collection in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {string|undefined} Returns the key of the matched element,\n * else `undefined`.\n * @example\n *\n * var users = {\n * 'barney': { 'age': 36, 'active': true },\n * 'fred': { 'age': 40, 'active': false },\n * 'pebbles': { 'age': 1, 'active': true }\n * };\n *\n * _.findLastKey(users, function(o) { return o.age < 40; });\n * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n *\n * // The `_.matches` iteratee shorthand.\n * _.findLastKey(users, { 'age': 36, 'active': true });\n * // => 'barney'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findLastKey(users, ['active', false]);\n * // => 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.findLastKey(users, 'active');\n * // => 'pebbles'\n */\n function findLastKey(object, predicate) {\n return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n }\n\n /**\n * Iterates over own and inherited enumerable string keyed properties of an\n * object and invokes `iteratee` for each property. The iteratee is invoked\n * with three arguments: (value, key, object). Iteratee functions may exit\n * iteration early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 0.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forInRight\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forIn(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n */\n function forIn(object, iteratee) {\n return object == null\n ? object\n : baseFor(object, getIteratee(iteratee, 3), keysIn);\n }\n\n /**\n * This method is like `_.forIn` except that it iterates over properties of\n * `object` in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forIn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forInRight(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n */\n function forInRight(object, iteratee) {\n return object == null\n ? object\n : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n }\n\n /**\n * Iterates over own enumerable string keyed properties of an object and\n * invokes `iteratee` for each property. The iteratee is invoked with three\n * arguments: (value, key, object). Iteratee functions may exit iteration\n * early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 0.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forOwnRight\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forOwn(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n */\n function forOwn(object, iteratee) {\n return object && baseForOwn(object, getIteratee(iteratee, 3));\n }\n\n /**\n * This method is like `_.forOwn` except that it iterates over properties of\n * `object` in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forOwn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forOwnRight(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n */\n function forOwnRight(object, iteratee) {\n return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n }\n\n /**\n * Creates an array of function property names from own enumerable properties\n * of `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to inspect.\n * @returns {Array} Returns the function names.\n * @see _.functionsIn\n * @example\n *\n * function Foo() {\n * this.a = _.constant('a');\n * this.b = _.constant('b');\n * }\n *\n * Foo.prototype.c = _.constant('c');\n *\n * _.functions(new Foo);\n * // => ['a', 'b']\n */\n function functions(object) {\n return object == null ? [] : baseFunctions(object, keys(object));\n }\n\n /**\n * Creates an array of function property names from own and inherited\n * enumerable properties of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @returns {Array} Returns the function names.\n * @see _.functions\n * @example\n *\n * function Foo() {\n * this.a = _.constant('a');\n * this.b = _.constant('b');\n * }\n *\n * Foo.prototype.c = _.constant('c');\n *\n * _.functionsIn(new Foo);\n * // => ['a', 'b', 'c']\n */\n function functionsIn(object) {\n return object == null ? [] : baseFunctions(object, keysIn(object));\n }\n\n /**\n * Gets the value at `path` of `object`. If the resolved value is\n * `undefined`, the `defaultValue` is returned in its place.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n * @returns {*} Returns the resolved value.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.get(object, 'a[0].b.c');\n * // => 3\n *\n * _.get(object, ['a', '0', 'b', 'c']);\n * // => 3\n *\n * _.get(object, 'a.b.c', 'default');\n * // => 'default'\n */\n function get(object, path, defaultValue) {\n var result = object == null ? undefined : baseGet(object, path);\n return result === undefined ? defaultValue : result;\n }\n\n /**\n * Checks if `path` is a direct property of `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n * @example\n *\n * var object = { 'a': { 'b': 2 } };\n * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n *\n * _.has(object, 'a');\n * // => true\n *\n * _.has(object, 'a.b');\n * // => true\n *\n * _.has(object, ['a', 'b']);\n * // => true\n *\n * _.has(other, 'a');\n * // => false\n */\n function has(object, path) {\n return object != null && hasPath(object, path, baseHas);\n }\n\n /**\n * Checks if `path` is a direct or inherited property of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n * @example\n *\n * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n *\n * _.hasIn(object, 'a');\n * // => true\n *\n * _.hasIn(object, 'a.b');\n * // => true\n *\n * _.hasIn(object, ['a', 'b']);\n * // => true\n *\n * _.hasIn(object, 'b');\n * // => false\n */\n function hasIn(object, path) {\n return object != null && hasPath(object, path, baseHasIn);\n }\n\n /**\n * Creates an object composed of the inverted keys and values of `object`.\n * If `object` contains duplicate values, subsequent values overwrite\n * property assignments of previous values.\n *\n * @static\n * @memberOf _\n * @since 0.7.0\n * @category Object\n * @param {Object} object The object to invert.\n * @returns {Object} Returns the new inverted object.\n * @example\n *\n * var object = { 'a': 1, 'b': 2, 'c': 1 };\n *\n * _.invert(object);\n * // => { '1': 'c', '2': 'b' }\n */\n var invert = createInverter(function(result, value, key) {\n if (value != null &&\n typeof value.toString != 'function') {\n value = nativeObjectToString.call(value);\n }\n\n result[value] = key;\n }, constant(identity));\n\n /**\n * This method is like `_.invert` except that the inverted object is generated\n * from the results of running each element of `object` thru `iteratee`. The\n * corresponding inverted value of each inverted key is an array of keys\n * responsible for generating the inverted value. The iteratee is invoked\n * with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.1.0\n * @category Object\n * @param {Object} object The object to invert.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Object} Returns the new inverted object.\n * @example\n *\n * var object = { 'a': 1, 'b': 2, 'c': 1 };\n *\n * _.invertBy(object);\n * // => { '1': ['a', 'c'], '2': ['b'] }\n *\n * _.invertBy(object, function(value) {\n * return 'group' + value;\n * });\n * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n */\n var invertBy = createInverter(function(result, value, key) {\n if (value != null &&\n typeof value.toString != 'function') {\n value = nativeObjectToString.call(value);\n }\n\n if (hasOwnProperty.call(result, value)) {\n result[value].push(key);\n } else {\n result[value] = [key];\n }\n }, getIteratee);\n\n /**\n * Invokes the method at `path` of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the method to invoke.\n * @param {...*} [args] The arguments to invoke the method with.\n * @returns {*} Returns the result of the invoked method.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n *\n * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n * // => [2, 3]\n */\n var invoke = baseRest(baseInvoke);\n\n /**\n * Creates an array of the own enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects. See the\n * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * for more details.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keys(new Foo);\n * // => ['a', 'b'] (iteration order is not guaranteed)\n *\n * _.keys('hi');\n * // => ['0', '1']\n */\n function keys(object) {\n return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n }\n\n /**\n * Creates an array of the own and inherited enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keysIn(new Foo);\n * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n */\n function keysIn(object) {\n return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n }\n\n /**\n * The opposite of `_.mapValues`; this method creates an object with the\n * same values as `object` and keys generated by running each own enumerable\n * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n * with three arguments: (value, key, object).\n *\n * @static\n * @memberOf _\n * @since 3.8.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns the new mapped object.\n * @see _.mapValues\n * @example\n *\n * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n * return key + value;\n * });\n * // => { 'a1': 1, 'b2': 2 }\n */\n function mapKeys(object, iteratee) {\n var result = {};\n iteratee = getIteratee(iteratee, 3);\n\n baseForOwn(object, function(value, key, object) {\n baseAssignValue(result, iteratee(value, key, object), value);\n });\n return result;\n }\n\n /**\n * Creates an object with the same keys as `object` and values generated\n * by running each own enumerable string keyed property of `object` thru\n * `iteratee`. The iteratee is invoked with three arguments:\n * (value, key, object).\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns the new mapped object.\n * @see _.mapKeys\n * @example\n *\n * var users = {\n * 'fred': { 'user': 'fred', 'age': 40 },\n * 'pebbles': { 'user': 'pebbles', 'age': 1 }\n * };\n *\n * _.mapValues(users, function(o) { return o.age; });\n * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n *\n * // The `_.property` iteratee shorthand.\n * _.mapValues(users, 'age');\n * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n */\n function mapValues(object, iteratee) {\n var result = {};\n iteratee = getIteratee(iteratee, 3);\n\n baseForOwn(object, function(value, key, object) {\n baseAssignValue(result, key, iteratee(value, key, object));\n });\n return result;\n }\n\n /**\n * This method is like `_.assign` except that it recursively merges own and\n * inherited enumerable string keyed properties of source objects into the\n * destination object. Source properties that resolve to `undefined` are\n * skipped if a destination value exists. Array and plain object properties\n * are merged recursively. Other objects and value types are overridden by\n * assignment. Source objects are applied from left to right. Subsequent\n * sources overwrite property assignments of previous sources.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {\n * 'a': [{ 'b': 2 }, { 'd': 4 }]\n * };\n *\n * var other = {\n * 'a': [{ 'c': 3 }, { 'e': 5 }]\n * };\n *\n * _.merge(object, other);\n * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n */\n var merge = createAssigner(function(object, source, srcIndex) {\n baseMerge(object, source, srcIndex);\n });\n\n /**\n * This method is like `_.merge` except that it accepts `customizer` which\n * is invoked to produce the merged values of the destination and source\n * properties. If `customizer` returns `undefined`, merging is handled by the\n * method instead. The `customizer` is invoked with six arguments:\n * (objValue, srcValue, key, object, source, stack).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} customizer The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * function customizer(objValue, srcValue) {\n * if (_.isArray(objValue)) {\n * return objValue.concat(srcValue);\n * }\n * }\n *\n * var object = { 'a': [1], 'b': [2] };\n * var other = { 'a': [3], 'b': [4] };\n *\n * _.mergeWith(object, other, customizer);\n * // => { 'a': [1, 3], 'b': [2, 4] }\n */\n var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n baseMerge(object, source, srcIndex, customizer);\n });\n\n /**\n * The opposite of `_.pick`; this method creates an object composed of the\n * own and inherited enumerable property paths of `object` that are not omitted.\n *\n * **Note:** This method is considerably slower than `_.pick`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The source object.\n * @param {...(string|string[])} [paths] The property paths to omit.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.omit(object, ['a', 'c']);\n * // => { 'b': '2' }\n */\n var omit = flatRest(function(object, paths) {\n var result = {};\n if (object == null) {\n return result;\n }\n var isDeep = false;\n paths = arrayMap(paths, function(path) {\n path = castPath(path, object);\n isDeep || (isDeep = path.length > 1);\n return path;\n });\n copyObject(object, getAllKeysIn(object), result);\n if (isDeep) {\n result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n }\n var length = paths.length;\n while (length--) {\n baseUnset(result, paths[length]);\n }\n return result;\n });\n\n /**\n * The opposite of `_.pickBy`; this method creates an object composed of\n * the own and inherited enumerable string keyed properties of `object` that\n * `predicate` doesn't return truthy for. The predicate is invoked with two\n * arguments: (value, key).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The source object.\n * @param {Function} [predicate=_.identity] The function invoked per property.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.omitBy(object, _.isNumber);\n * // => { 'b': '2' }\n */\n function omitBy(object, predicate) {\n return pickBy(object, negate(getIteratee(predicate)));\n }\n\n /**\n * Creates an object composed of the picked `object` properties.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The source object.\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.pick(object, ['a', 'c']);\n * // => { 'a': 1, 'c': 3 }\n */\n var pick = flatRest(function(object, paths) {\n return object == null ? {} : basePick(object, paths);\n });\n\n /**\n * Creates an object composed of the `object` properties `predicate` returns\n * truthy for. The predicate is invoked with two arguments: (value, key).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The source object.\n * @param {Function} [predicate=_.identity] The function invoked per property.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.pickBy(object, _.isNumber);\n * // => { 'a': 1, 'c': 3 }\n */\n function pickBy(object, predicate) {\n if (object == null) {\n return {};\n }\n var props = arrayMap(getAllKeysIn(object), function(prop) {\n return [prop];\n });\n predicate = getIteratee(predicate);\n return basePickBy(object, props, function(value, path) {\n return predicate(value, path[0]);\n });\n }\n\n /**\n * This method is like `_.get` except that if the resolved value is a\n * function it's invoked with the `this` binding of its parent object and\n * its result is returned.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to resolve.\n * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n * @returns {*} Returns the resolved value.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n *\n * _.result(object, 'a[0].b.c1');\n * // => 3\n *\n * _.result(object, 'a[0].b.c2');\n * // => 4\n *\n * _.result(object, 'a[0].b.c3', 'default');\n * // => 'default'\n *\n * _.result(object, 'a[0].b.c3', _.constant('default'));\n * // => 'default'\n */\n function result(object, path, defaultValue) {\n path = castPath(path, object);\n\n var index = -1,\n length = path.length;\n\n // Ensure the loop is entered when path is empty.\n if (!length) {\n length = 1;\n object = undefined;\n }\n while (++index < length) {\n var value = object == null ? undefined : object[toKey(path[index])];\n if (value === undefined) {\n index = length;\n value = defaultValue;\n }\n object = isFunction(value) ? value.call(object) : value;\n }\n return object;\n }\n\n /**\n * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n * it's created. Arrays are created for missing index properties while objects\n * are created for all other missing properties. Use `_.setWith` to customize\n * `path` creation.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.set(object, 'a[0].b.c', 4);\n * console.log(object.a[0].b.c);\n * // => 4\n *\n * _.set(object, ['x', '0', 'y', 'z'], 5);\n * console.log(object.x[0].y.z);\n * // => 5\n */\n function set(object, path, value) {\n return object == null ? object : baseSet(object, path, value);\n }\n\n /**\n * This method is like `_.set` except that it accepts `customizer` which is\n * invoked to produce the objects of `path`. If `customizer` returns `undefined`\n * path creation is handled by the method instead. The `customizer` is invoked\n * with three arguments: (nsValue, key, nsObject).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {};\n *\n * _.setWith(object, '[0][1]', 'a', Object);\n * // => { '0': { '1': 'a' } }\n */\n function setWith(object, path, value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return object == null ? object : baseSet(object, path, value, customizer);\n }\n\n /**\n * Creates an array of own enumerable string keyed-value pairs for `object`\n * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n * entries are returned.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias entries\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the key-value pairs.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.toPairs(new Foo);\n * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n */\n var toPairs = createToPairs(keys);\n\n /**\n * Creates an array of own and inherited enumerable string keyed-value pairs\n * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n * or set, its entries are returned.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias entriesIn\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the key-value pairs.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.toPairsIn(new Foo);\n * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n */\n var toPairsIn = createToPairs(keysIn);\n\n /**\n * An alternative to `_.reduce`; this method transforms `object` to a new\n * `accumulator` object which is the result of running each of its own\n * enumerable string keyed properties thru `iteratee`, with each invocation\n * potentially mutating the `accumulator` object. If `accumulator` is not\n * provided, a new object with the same `[[Prototype]]` will be used. The\n * iteratee is invoked with four arguments: (accumulator, value, key, object).\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 1.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The custom accumulator value.\n * @returns {*} Returns the accumulated value.\n * @example\n *\n * _.transform([2, 3, 4], function(result, n) {\n * result.push(n *= n);\n * return n % 2 == 0;\n * }, []);\n * // => [4, 9]\n *\n * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n * (result[value] || (result[value] = [])).push(key);\n * }, {});\n * // => { '1': ['a', 'c'], '2': ['b'] }\n */\n function transform(object, iteratee, accumulator) {\n var isArr = isArray(object),\n isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\n iteratee = getIteratee(iteratee, 4);\n if (accumulator == null) {\n var Ctor = object && object.constructor;\n if (isArrLike) {\n accumulator = isArr ? new Ctor : [];\n }\n else if (isObject(object)) {\n accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n }\n else {\n accumulator = {};\n }\n }\n (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n return iteratee(accumulator, value, index, object);\n });\n return accumulator;\n }\n\n /**\n * Removes the property at `path` of `object`.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to unset.\n * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n * _.unset(object, 'a[0].b.c');\n * // => true\n *\n * console.log(object);\n * // => { 'a': [{ 'b': {} }] };\n *\n * _.unset(object, ['a', '0', 'b', 'c']);\n * // => true\n *\n * console.log(object);\n * // => { 'a': [{ 'b': {} }] };\n */\n function unset(object, path) {\n return object == null ? true : baseUnset(object, path);\n }\n\n /**\n * This method is like `_.set` except that accepts `updater` to produce the\n * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n * is invoked with one argument: (value).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {Function} updater The function to produce the updated value.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n * console.log(object.a[0].b.c);\n * // => 9\n *\n * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n * console.log(object.x[0].y.z);\n * // => 0\n */\n function update(object, path, updater) {\n return object == null ? object : baseUpdate(object, path, castFunction(updater));\n }\n\n /**\n * This method is like `_.update` except that it accepts `customizer` which is\n * invoked to produce the objects of `path`. If `customizer` returns `undefined`\n * path creation is handled by the method instead. The `customizer` is invoked\n * with three arguments: (nsValue, key, nsObject).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {Function} updater The function to produce the updated value.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {};\n *\n * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n * // => { '0': { '1': 'a' } }\n */\n function updateWith(object, path, updater, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n }\n\n /**\n * Creates an array of the own enumerable string keyed property values of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property values.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.values(new Foo);\n * // => [1, 2] (iteration order is not guaranteed)\n *\n * _.values('hi');\n * // => ['h', 'i']\n */\n function values(object) {\n return object == null ? [] : baseValues(object, keys(object));\n }\n\n /**\n * Creates an array of the own and inherited enumerable string keyed property\n * values of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property values.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.valuesIn(new Foo);\n * // => [1, 2, 3] (iteration order is not guaranteed)\n */\n function valuesIn(object) {\n return object == null ? [] : baseValues(object, keysIn(object));\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Clamps `number` within the inclusive `lower` and `upper` bounds.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Number\n * @param {number} number The number to clamp.\n * @param {number} [lower] The lower bound.\n * @param {number} upper The upper bound.\n * @returns {number} Returns the clamped number.\n * @example\n *\n * _.clamp(-10, -5, 5);\n * // => -5\n *\n * _.clamp(10, -5, 5);\n * // => 5\n */\n function clamp(number, lower, upper) {\n if (upper === undefined) {\n upper = lower;\n lower = undefined;\n }\n if (upper !== undefined) {\n upper = toNumber(upper);\n upper = upper === upper ? upper : 0;\n }\n if (lower !== undefined) {\n lower = toNumber(lower);\n lower = lower === lower ? lower : 0;\n }\n return baseClamp(toNumber(number), lower, upper);\n }\n\n /**\n * Checks if `n` is between `start` and up to, but not including, `end`. If\n * `end` is not specified, it's set to `start` with `start` then set to `0`.\n * If `start` is greater than `end` the params are swapped to support\n * negative ranges.\n *\n * @static\n * @memberOf _\n * @since 3.3.0\n * @category Number\n * @param {number} number The number to check.\n * @param {number} [start=0] The start of the range.\n * @param {number} end The end of the range.\n * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n * @see _.range, _.rangeRight\n * @example\n *\n * _.inRange(3, 2, 4);\n * // => true\n *\n * _.inRange(4, 8);\n * // => true\n *\n * _.inRange(4, 2);\n * // => false\n *\n * _.inRange(2, 2);\n * // => false\n *\n * _.inRange(1.2, 2);\n * // => true\n *\n * _.inRange(5.2, 4);\n * // => false\n *\n * _.inRange(-3, -2, -6);\n * // => true\n */\n function inRange(number, start, end) {\n start = toFinite(start);\n if (end === undefined) {\n end = start;\n start = 0;\n } else {\n end = toFinite(end);\n }\n number = toNumber(number);\n return baseInRange(number, start, end);\n }\n\n /**\n * Produces a random number between the inclusive `lower` and `upper` bounds.\n * If only one argument is provided a number between `0` and the given number\n * is returned. If `floating` is `true`, or either `lower` or `upper` are\n * floats, a floating-point number is returned instead of an integer.\n *\n * **Note:** JavaScript follows the IEEE-754 standard for resolving\n * floating-point values which can produce unexpected results.\n *\n * @static\n * @memberOf _\n * @since 0.7.0\n * @category Number\n * @param {number} [lower=0] The lower bound.\n * @param {number} [upper=1] The upper bound.\n * @param {boolean} [floating] Specify returning a floating-point number.\n * @returns {number} Returns the random number.\n * @example\n *\n * _.random(0, 5);\n * // => an integer between 0 and 5\n *\n * _.random(5);\n * // => also an integer between 0 and 5\n *\n * _.random(5, true);\n * // => a floating-point number between 0 and 5\n *\n * _.random(1.2, 5.2);\n * // => a floating-point number between 1.2 and 5.2\n */\n function random(lower, upper, floating) {\n if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n upper = floating = undefined;\n }\n if (floating === undefined) {\n if (typeof upper == 'boolean') {\n floating = upper;\n upper = undefined;\n }\n else if (typeof lower == 'boolean') {\n floating = lower;\n lower = undefined;\n }\n }\n if (lower === undefined && upper === undefined) {\n lower = 0;\n upper = 1;\n }\n else {\n lower = toFinite(lower);\n if (upper === undefined) {\n upper = lower;\n lower = 0;\n } else {\n upper = toFinite(upper);\n }\n }\n if (lower > upper) {\n var temp = lower;\n lower = upper;\n upper = temp;\n }\n if (floating || lower % 1 || upper % 1) {\n var rand = nativeRandom();\n return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n }\n return baseRandom(lower, upper);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the camel cased string.\n * @example\n *\n * _.camelCase('Foo Bar');\n * // => 'fooBar'\n *\n * _.camelCase('--foo-bar--');\n * // => 'fooBar'\n *\n * _.camelCase('__FOO_BAR__');\n * // => 'fooBar'\n */\n var camelCase = createCompounder(function(result, word, index) {\n word = word.toLowerCase();\n return result + (index ? capitalize(word) : word);\n });\n\n /**\n * Converts the first character of `string` to upper case and the remaining\n * to lower case.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to capitalize.\n * @returns {string} Returns the capitalized string.\n * @example\n *\n * _.capitalize('FRED');\n * // => 'Fred'\n */\n function capitalize(string) {\n return upperFirst(toString(string).toLowerCase());\n }\n\n /**\n * Deburrs `string` by converting\n * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n * letters to basic Latin letters and removing\n * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to deburr.\n * @returns {string} Returns the deburred string.\n * @example\n *\n * _.deburr('déjà vu');\n * // => 'deja vu'\n */\n function deburr(string) {\n string = toString(string);\n return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n }\n\n /**\n * Checks if `string` ends with the given target string.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to inspect.\n * @param {string} [target] The string to search for.\n * @param {number} [position=string.length] The position to search up to.\n * @returns {boolean} Returns `true` if `string` ends with `target`,\n * else `false`.\n * @example\n *\n * _.endsWith('abc', 'c');\n * // => true\n *\n * _.endsWith('abc', 'b');\n * // => false\n *\n * _.endsWith('abc', 'b', 2);\n * // => true\n */\n function endsWith(string, target, position) {\n string = toString(string);\n target = baseToString(target);\n\n var length = string.length;\n position = position === undefined\n ? length\n : baseClamp(toInteger(position), 0, length);\n\n var end = position;\n position -= target.length;\n return position >= 0 && string.slice(position, end) == target;\n }\n\n /**\n * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n * corresponding HTML entities.\n *\n * **Note:** No other characters are escaped. To escape additional\n * characters use a third-party library like [_he_](https://mths.be/he).\n *\n * Though the \">\" character is escaped for symmetry, characters like\n * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n * unless they're part of a tag or unquoted attribute value. See\n * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n * (under \"semi-related fun fact\") for more details.\n *\n * When working with HTML you should always\n * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n * XSS vectors.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category String\n * @param {string} [string=''] The string to escape.\n * @returns {string} Returns the escaped string.\n * @example\n *\n * _.escape('fred, barney, & pebbles');\n * // => 'fred, barney, & pebbles'\n */\n function escape(string) {\n string = toString(string);\n return (string && reHasUnescapedHtml.test(string))\n ? string.replace(reUnescapedHtml, escapeHtmlChar)\n : string;\n }\n\n /**\n * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to escape.\n * @returns {string} Returns the escaped string.\n * @example\n *\n * _.escapeRegExp('[lodash](https://lodash.com/)');\n * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n */\n function escapeRegExp(string) {\n string = toString(string);\n return (string && reHasRegExpChar.test(string))\n ? string.replace(reRegExpChar, '\\\\$&')\n : string;\n }\n\n /**\n * Converts `string` to\n * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the kebab cased string.\n * @example\n *\n * _.kebabCase('Foo Bar');\n * // => 'foo-bar'\n *\n * _.kebabCase('fooBar');\n * // => 'foo-bar'\n *\n * _.kebabCase('__FOO_BAR__');\n * // => 'foo-bar'\n */\n var kebabCase = createCompounder(function(result, word, index) {\n return result + (index ? '-' : '') + word.toLowerCase();\n });\n\n /**\n * Converts `string`, as space separated words, to lower case.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the lower cased string.\n * @example\n *\n * _.lowerCase('--Foo-Bar--');\n * // => 'foo bar'\n *\n * _.lowerCase('fooBar');\n * // => 'foo bar'\n *\n * _.lowerCase('__FOO_BAR__');\n * // => 'foo bar'\n */\n var lowerCase = createCompounder(function(result, word, index) {\n return result + (index ? ' ' : '') + word.toLowerCase();\n });\n\n /**\n * Converts the first character of `string` to lower case.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the converted string.\n * @example\n *\n * _.lowerFirst('Fred');\n * // => 'fred'\n *\n * _.lowerFirst('FRED');\n * // => 'fRED'\n */\n var lowerFirst = createCaseFirst('toLowerCase');\n\n /**\n * Pads `string` on the left and right sides if it's shorter than `length`.\n * Padding characters are truncated if they can't be evenly divided by `length`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.pad('abc', 8);\n * // => ' abc '\n *\n * _.pad('abc', 8, '_-');\n * // => '_-abc_-_'\n *\n * _.pad('abc', 3);\n * // => 'abc'\n */\n function pad(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n\n var strLength = length ? stringSize(string) : 0;\n if (!length || strLength >= length) {\n return string;\n }\n var mid = (length - strLength) / 2;\n return (\n createPadding(nativeFloor(mid), chars) +\n string +\n createPadding(nativeCeil(mid), chars)\n );\n }\n\n /**\n * Pads `string` on the right side if it's shorter than `length`. Padding\n * characters are truncated if they exceed `length`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.padEnd('abc', 6);\n * // => 'abc '\n *\n * _.padEnd('abc', 6, '_-');\n * // => 'abc_-_'\n *\n * _.padEnd('abc', 3);\n * // => 'abc'\n */\n function padEnd(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n\n var strLength = length ? stringSize(string) : 0;\n return (length && strLength < length)\n ? (string + createPadding(length - strLength, chars))\n : string;\n }\n\n /**\n * Pads `string` on the left side if it's shorter than `length`. Padding\n * characters are truncated if they exceed `length`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.padStart('abc', 6);\n * // => ' abc'\n *\n * _.padStart('abc', 6, '_-');\n * // => '_-_abc'\n *\n * _.padStart('abc', 3);\n * // => 'abc'\n */\n function padStart(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n\n var strLength = length ? stringSize(string) : 0;\n return (length && strLength < length)\n ? (createPadding(length - strLength, chars) + string)\n : string;\n }\n\n /**\n * Converts `string` to an integer of the specified radix. If `radix` is\n * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n * hexadecimal, in which case a `radix` of `16` is used.\n *\n * **Note:** This method aligns with the\n * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category String\n * @param {string} string The string to convert.\n * @param {number} [radix=10] The radix to interpret `value` by.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.parseInt('08');\n * // => 8\n *\n * _.map(['6', '08', '10'], _.parseInt);\n * // => [6, 8, 10]\n */\n function parseInt(string, radix, guard) {\n if (guard || radix == null) {\n radix = 0;\n } else if (radix) {\n radix = +radix;\n }\n return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n }\n\n /**\n * Repeats the given string `n` times.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to repeat.\n * @param {number} [n=1] The number of times to repeat the string.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {string} Returns the repeated string.\n * @example\n *\n * _.repeat('*', 3);\n * // => '***'\n *\n * _.repeat('abc', 2);\n * // => 'abcabc'\n *\n * _.repeat('abc', 0);\n * // => ''\n */\n function repeat(string, n, guard) {\n if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n n = 1;\n } else {\n n = toInteger(n);\n }\n return baseRepeat(toString(string), n);\n }\n\n /**\n * Replaces matches for `pattern` in `string` with `replacement`.\n *\n * **Note:** This method is based on\n * [`String#replace`](https://mdn.io/String/replace).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to modify.\n * @param {RegExp|string} pattern The pattern to replace.\n * @param {Function|string} replacement The match replacement.\n * @returns {string} Returns the modified string.\n * @example\n *\n * _.replace('Hi Fred', 'Fred', 'Barney');\n * // => 'Hi Barney'\n */\n function replace() {\n var args = arguments,\n string = toString(args[0]);\n\n return args.length < 3 ? string : string.replace(args[1], args[2]);\n }\n\n /**\n * Converts `string` to\n * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the snake cased string.\n * @example\n *\n * _.snakeCase('Foo Bar');\n * // => 'foo_bar'\n *\n * _.snakeCase('fooBar');\n * // => 'foo_bar'\n *\n * _.snakeCase('--FOO-BAR--');\n * // => 'foo_bar'\n */\n var snakeCase = createCompounder(function(result, word, index) {\n return result + (index ? '_' : '') + word.toLowerCase();\n });\n\n /**\n * Splits `string` by `separator`.\n *\n * **Note:** This method is based on\n * [`String#split`](https://mdn.io/String/split).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to split.\n * @param {RegExp|string} separator The separator pattern to split by.\n * @param {number} [limit] The length to truncate results to.\n * @returns {Array} Returns the string segments.\n * @example\n *\n * _.split('a-b-c', '-', 2);\n * // => ['a', 'b']\n */\n function split(string, separator, limit) {\n if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n separator = limit = undefined;\n }\n limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n if (!limit) {\n return [];\n }\n string = toString(string);\n if (string && (\n typeof separator == 'string' ||\n (separator != null && !isRegExp(separator))\n )) {\n separator = baseToString(separator);\n if (!separator && hasUnicode(string)) {\n return castSlice(stringToArray(string), 0, limit);\n }\n }\n return string.split(separator, limit);\n }\n\n /**\n * Converts `string` to\n * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n *\n * @static\n * @memberOf _\n * @since 3.1.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the start cased string.\n * @example\n *\n * _.startCase('--foo-bar--');\n * // => 'Foo Bar'\n *\n * _.startCase('fooBar');\n * // => 'Foo Bar'\n *\n * _.startCase('__FOO_BAR__');\n * // => 'FOO BAR'\n */\n var startCase = createCompounder(function(result, word, index) {\n return result + (index ? ' ' : '') + upperFirst(word);\n });\n\n /**\n * Checks if `string` starts with the given target string.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to inspect.\n * @param {string} [target] The string to search for.\n * @param {number} [position=0] The position to search from.\n * @returns {boolean} Returns `true` if `string` starts with `target`,\n * else `false`.\n * @example\n *\n * _.startsWith('abc', 'a');\n * // => true\n *\n * _.startsWith('abc', 'b');\n * // => false\n *\n * _.startsWith('abc', 'b', 1);\n * // => true\n */\n function startsWith(string, target, position) {\n string = toString(string);\n position = position == null\n ? 0\n : baseClamp(toInteger(position), 0, string.length);\n\n target = baseToString(target);\n return string.slice(position, position + target.length) == target;\n }\n\n /**\n * Creates a compiled template function that can interpolate data properties\n * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n * properties may be accessed as free variables in the template. If a setting\n * object is given, it takes precedence over `_.templateSettings` values.\n *\n * **Note:** In the development build `_.template` utilizes\n * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n * for easier debugging.\n *\n * For more information on precompiling templates see\n * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n *\n * For more information on Chrome extension sandboxes see\n * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category String\n * @param {string} [string=''] The template string.\n * @param {Object} [options={}] The options object.\n * @param {RegExp} [options.escape=_.templateSettings.escape]\n * The HTML \"escape\" delimiter.\n * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n * The \"evaluate\" delimiter.\n * @param {Object} [options.imports=_.templateSettings.imports]\n * An object to import into the template as free variables.\n * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n * The \"interpolate\" delimiter.\n * @param {string} [options.sourceURL='lodash.templateSources[n]']\n * The sourceURL of the compiled template.\n * @param {string} [options.variable='obj']\n * The data object variable name.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the compiled template function.\n * @example\n *\n * // Use the \"interpolate\" delimiter to create a compiled template.\n * var compiled = _.template('hello <%= user %>!');\n * compiled({ 'user': 'fred' });\n * // => 'hello fred!'\n *\n * // Use the HTML \"escape\" delimiter to escape data property values.\n * var compiled = _.template('<%- value %>');\n * compiled({ 'value': '