rollup-plugin-typescript2/dist/rollup-plugin-typescript2.cjs.js
2017-03-04 18:50:39 -07:00

535 lines
21 KiB
JavaScript

/* eslint-disable */
'use strict';
var fs = require('fs-extra');
var ts = require('typescript');
var _ = require('lodash');
var graph = require('graphlib');
var hash = require('object-hash');
var path = require('path');
var colors = require('colors/safe');
/*! *****************************************************************************
Copyright (c) Microsoft Corporation. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use
this file except in compliance with the License. You may obtain a copy of the
License at http://www.apache.org/licenses/LICENSE-2.0
THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
MERCHANTABLITY OR NON-INFRINGEMENT.
See the Apache Version 2.0 License for specific language governing permissions
and limitations under the License.
***************************************************************************** */
/* global Reflect, Promise */
var __assign = Object.assign || function __assign(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
}
return t;
};
var VerbosityLevel;
(function (VerbosityLevel) {
VerbosityLevel[VerbosityLevel["Error"] = 0] = "Error";
VerbosityLevel[VerbosityLevel["Warning"] = 1] = "Warning";
VerbosityLevel[VerbosityLevel["Info"] = 2] = "Info";
VerbosityLevel[VerbosityLevel["Debug"] = 3] = "Debug";
})(VerbosityLevel || (VerbosityLevel = {}));
var ConsoleContext = (function () {
function ConsoleContext(verbosity, prefix) {
if (prefix === void 0) { prefix = ""; }
this.verbosity = verbosity;
this.prefix = prefix;
}
ConsoleContext.prototype.warn = function (message) {
if (this.verbosity < VerbosityLevel.Warning)
return;
console.log("" + this.prefix + message);
};
ConsoleContext.prototype.error = function (message) {
if (this.verbosity < VerbosityLevel.Error)
return;
console.log("" + this.prefix + message);
};
ConsoleContext.prototype.info = function (message) {
if (this.verbosity < VerbosityLevel.Info)
return;
console.log("" + this.prefix + message);
};
ConsoleContext.prototype.debug = function (message) {
if (this.verbosity < VerbosityLevel.Debug)
return;
console.log("" + this.prefix + message);
};
return ConsoleContext;
}());
var RollupContext = (function () {
function RollupContext(verbosity, bail, context, prefix) {
if (prefix === void 0) { prefix = ""; }
this.verbosity = verbosity;
this.bail = bail;
this.context = context;
this.prefix = prefix;
}
RollupContext.prototype.warn = function (message) {
if (this.verbosity < VerbosityLevel.Warning)
return;
this.context.warn("" + this.prefix + message);
};
RollupContext.prototype.error = function (message) {
if (this.verbosity < VerbosityLevel.Error)
return;
if (this.bail)
this.context.error("" + this.prefix + message);
else
this.context.warn("" + this.prefix + message);
};
RollupContext.prototype.info = function (message) {
if (this.verbosity < VerbosityLevel.Info)
return;
this.context.warn("" + this.prefix + message);
};
RollupContext.prototype.debug = function (message) {
if (this.verbosity < VerbosityLevel.Debug)
return;
this.context.warn("" + this.prefix + message);
};
return RollupContext;
}());
var LanguageServiceHost = (function () {
function LanguageServiceHost(parsedConfig) {
this.parsedConfig = parsedConfig;
this.cwd = process.cwd();
this.snapshots = {};
}
LanguageServiceHost.prototype.setSnapshot = function (fileName, data) {
var snapshot = ts.ScriptSnapshot.fromString(data);
this.snapshots[fileName] = snapshot;
return snapshot;
};
LanguageServiceHost.prototype.getScriptSnapshot = function (fileName) {
if (_.has(this.snapshots, fileName))
return this.snapshots[fileName];
if (fs.existsSync(fileName)) {
this.snapshots[fileName] = ts.ScriptSnapshot.fromString(ts.sys.readFile(fileName));
return this.snapshots[fileName];
}
return undefined;
};
LanguageServiceHost.prototype.getCurrentDirectory = function () {
return this.cwd;
};
LanguageServiceHost.prototype.getScriptVersion = function (_fileName) {
return "0";
};
LanguageServiceHost.prototype.getScriptFileNames = function () {
return this.parsedConfig.fileNames;
};
LanguageServiceHost.prototype.getCompilationSettings = function () {
return this.parsedConfig.options;
};
LanguageServiceHost.prototype.getDefaultLibFileName = function (opts) {
return ts.getDefaultLibFilePath(opts);
};
return LanguageServiceHost;
}());
/**
* Saves data in new cache folder or reads it from old one.
* Avoids perpetually growing cache and situations when things need to consider changed and then reverted data to be changed.
*/
var RollingCache = (function () {
/**
* @param cacheRoot: root folder for the cache
* @param checkNewCache: whether to also look in new cache when reading from cache
*/
function RollingCache(cacheRoot, checkNewCache) {
this.cacheRoot = cacheRoot;
this.checkNewCache = checkNewCache;
this.oldCacheRoot = this.cacheRoot + "/cache";
this.newCacheRoot = this.cacheRoot + "/cache_";
fs.emptyDirSync(this.newCacheRoot);
}
/**
* @returns true if name exist in old cache (or either old of new cache if checkNewCache is true)
*/
RollingCache.prototype.exists = function (name) {
if (this.checkNewCache && fs.existsSync(this.newCacheRoot + "/" + name))
return true;
return fs.existsSync(this.oldCacheRoot + "/" + name);
};
/**
* @returns true if old cache contains all names and nothing more
*/
RollingCache.prototype.match = function (names) {
if (!fs.existsSync(this.oldCacheRoot))
return names.length === 0; // empty folder matches
return _.isEqual(fs.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)
*/
RollingCache.prototype.read = function (name) {
if (this.checkNewCache && fs.existsSync(this.newCacheRoot + "/" + name))
return fs.readJsonSync(this.newCacheRoot + "/" + name, "utf8");
return fs.readJsonSync(this.oldCacheRoot + "/" + name, "utf8");
};
RollingCache.prototype.write = function (name, data) {
if (data === undefined)
return;
if (this.checkNewCache)
fs.writeJsonSync(this.newCacheRoot + "/" + name, data);
else
fs.writeJson(this.newCacheRoot + "/" + name, data, { encoding: "utf8" }, function () { });
};
RollingCache.prototype.touch = function (name) {
if (this.checkNewCache)
fs.ensureFileSync(this.newCacheRoot + "/" + name);
else
fs.ensureFile(this.newCacheRoot + "/" + name, function () { });
};
/**
* clears old cache and moves new in its place
*/
RollingCache.prototype.roll = function () {
var _this = this;
fs.remove(this.oldCacheRoot, function () {
fs.move(_this.newCacheRoot, _this.oldCacheRoot, function () { });
});
};
return RollingCache;
}());
function convertDiagnostic(data) {
return _.map(data, function (diagnostic) {
var entry = {
flatMessage: ts.flattenDiagnosticMessageText(diagnostic.messageText, "\n"),
category: diagnostic.category,
};
if (diagnostic.file) {
var _a = diagnostic.file.getLineAndCharacterOfPosition(diagnostic.start), line = _a.line, character = _a.character;
entry.fileLine = diagnostic.file.fileName + " (" + (line + 1) + "," + (character + 1) + ")";
}
return entry;
});
}
var Cache = (function () {
function Cache(host, cache, options, rootFilenames, context) {
var _this = this;
this.host = host;
this.options = options;
this.context = context;
this.cacheVersion = "2";
this.ambientTypesDirty = false;
this.cacheDir = cache + "/" + hash.sha1({
version: this.cacheVersion,
rootFilenames: rootFilenames,
options: this.options,
tsVersion: ts.version,
});
this.dependencyTree = new graph.Graph({ directed: true });
this.dependencyTree.setDefaultNodeLabel(function (_node) { return { dirty: false }; });
this.ambientTypes = _.filter(rootFilenames, function (file) { return _.endsWith(file, ".d.ts"); })
.map(function (id) { return { id: id, snapshot: _this.host.getScriptSnapshot(id) }; });
this.init();
}
Cache.prototype.clean = function () {
this.context.info("cleaning cache: " + this.cacheDir);
fs.emptyDirSync(this.cacheDir);
this.init();
};
Cache.prototype.walkTree = function (cb) {
var acyclic = graph.alg.isAcyclic(this.dependencyTree);
if (acyclic) {
_.each(graph.alg.topsort(this.dependencyTree), function (id) { return cb(id); });
return;
}
this.context.info("import tree has cycles");
_.each(this.dependencyTree.nodes(), function (id) { return cb(id); });
};
Cache.prototype.setDependency = function (importee, importer) {
// importee -> importer
this.context.debug(importee + " -> " + importer);
this.dependencyTree.setEdge(importer, importee);
};
Cache.prototype.compileDone = function () {
var _this = this;
var typeNames = _.filter(this.ambientTypes, function (snaphot) { return snaphot.snapshot !== undefined; })
.map(function (snaphot) { return _this.makeName(snaphot.id, snaphot.snapshot); });
// types dirty if any d.ts changed, added or removed
this.ambientTypesDirty = !this.typesCache.match(typeNames);
if (this.ambientTypesDirty)
this.context.info("ambient types changed, redoing all diagnostics");
_.each(typeNames, function (name) { return _this.typesCache.touch(name); });
};
Cache.prototype.diagnosticsDone = function () {
this.codeCache.roll();
this.semanticDiagnosticsCache.roll();
this.syntacticDiagnosticsCache.roll();
this.typesCache.roll();
};
Cache.prototype.getCompiled = function (id, snapshot, transform) {
var name = this.makeName(id, snapshot);
if (!this.codeCache.exists(name) || this.isDirty(id, snapshot, false)) {
this.context.debug("fresh transpile for: " + id);
var data_1 = transform();
this.codeCache.write(name, data_1);
this.markAsDirty(id, snapshot);
return data_1;
}
this.context.debug("old transpile for: " + id);
var data = this.codeCache.read(name);
this.codeCache.write(name, data);
return data;
};
Cache.prototype.getSyntacticDiagnostics = function (id, snapshot, check) {
return this.getDiagnostics(this.syntacticDiagnosticsCache, id, snapshot, check);
};
Cache.prototype.getSemanticDiagnostics = function (id, snapshot, check) {
return this.getDiagnostics(this.semanticDiagnosticsCache, id, snapshot, check);
};
Cache.prototype.getDiagnostics = function (cache, id, snapshot, check) {
var name = this.makeName(id, snapshot);
if (!cache.exists(name) || this.isDirty(id, snapshot, true)) {
this.context.debug("fresh diagnostics for: " + id);
var data_2 = convertDiagnostic(check());
cache.write(name, data_2);
this.markAsDirty(id, snapshot);
return data_2;
}
this.context.debug("old diagnostics for: " + id);
var data = cache.read(name);
cache.write(name, data);
return data;
};
Cache.prototype.init = function () {
this.codeCache = new RollingCache(this.cacheDir + "/code", true);
this.typesCache = new RollingCache(this.cacheDir + "/types", false);
this.syntacticDiagnosticsCache = new RollingCache(this.cacheDir + "/syntacticDiagnostics", false);
this.semanticDiagnosticsCache = new RollingCache(this.cacheDir + "/semanticDiagnostics", false);
};
Cache.prototype.markAsDirty = function (id, _snapshot) {
this.context.debug("changed: " + id);
this.dependencyTree.setNode(id, { dirty: true });
};
// returns true if node or any of its imports or any of global types changed
Cache.prototype.isDirty = function (id, _snapshot, checkImports) {
var _this = this;
var label = this.dependencyTree.node(id);
if (!label)
return false;
if (!checkImports || label.dirty)
return label.dirty;
if (this.ambientTypesDirty)
return true;
var dependencies = graph.alg.dijkstra(this.dependencyTree, id);
return _.some(dependencies, function (dependency, node) {
if (!node || dependency.distance === Infinity)
return false;
var l = _this.dependencyTree.node(node);
var dirty = l === undefined ? true : l.dirty;
if (dirty)
_this.context.debug("import changed: " + id + " -> " + node);
return dirty;
});
};
Cache.prototype.makeName = function (id, snapshot) {
var data = snapshot.getText(0, snapshot.getLength());
return hash.sha1({ data: data, id: id });
};
return Cache;
}());
// tslint:disable-next-line:no-var-requires
var createFilter = require("rollup-pluginutils").createFilter;
function getOptionsOverrides() {
return {
module: ts.ModuleKind.ES2015,
sourceMap: true,
noEmitHelpers: true,
importHelpers: true,
noResolve: false,
};
}
// Gratefully lifted from 'look-up', due to problems using it directly:
// https://github.com/jonschlinkert/look-up/blob/master/index.js
// MIT Licenced
function findFile(cwd, filename) {
var fp = cwd ? (cwd + "/" + filename) : filename;
if (fs.existsSync(fp))
return fp;
var segs = cwd.split(path.sep);
var len = segs.length;
while (len--) {
cwd = segs.slice(0, len).join("/");
fp = cwd + "/" + filename;
if (fs.existsSync(fp))
return fp;
}
return null;
}
// The injected id for helpers.
var TSLIB = "tslib";
var tslibSource;
try {
// tslint:disable-next-line:no-string-literal no-var-requires
var tslibPath = require.resolve("tslib/" + require("tslib/package.json")["module"]);
tslibSource = fs.readFileSync(tslibPath, "utf8");
}
catch (e) {
console.warn("Error loading `tslib` helper library.");
throw e;
}
function parseTsConfig() {
var fileName = findFile(process.cwd(), "tsconfig.json");
if (!fileName)
throw new Error("couldn't find 'tsconfig.json' in " + process.cwd());
var text = ts.sys.readFile(fileName);
var result = ts.parseConfigFileTextToJson(fileName, text);
var configParseResult = ts.parseJsonConfigFileContent(result.config, ts.sys, path.dirname(fileName), getOptionsOverrides(), fileName);
return configParseResult;
}
function printDiagnostics(context, diagnostics) {
_.each(diagnostics, function (diagnostic) {
var print;
var color;
switch (diagnostic.category) {
case ts.DiagnosticCategory.Message:
print = context.info;
color = colors.white;
break;
case ts.DiagnosticCategory.Error:
print = context.error;
color = colors.red;
break;
case ts.DiagnosticCategory.Warning:
default:
print = context.warn;
color = colors.yellow;
break;
}
if (diagnostic.fileLine)
print.call(context, [diagnostic.fileLine + ": " + color(diagnostic.flatMessage)]);
else
print.call(context, [color(diagnostic.flatMessage)]);
});
}
function typescript(options) {
options = __assign({}, options);
_.defaults(options, {
check: true,
verbosity: VerbosityLevel.Info,
clean: false,
cacheRoot: process.cwd() + "/.rts2_cache",
include: ["*.ts+(|x)", "**/*.ts+(|x)"],
exclude: ["*.d.ts", "**/*.d.ts"],
abortOnError: true,
});
var filter$$1 = createFilter(options.include, options.exclude);
var parsedConfig = parseTsConfig();
var servicesHost = new LanguageServiceHost(parsedConfig);
var services = ts.createLanguageService(servicesHost, ts.createDocumentRegistry());
var context = new ConsoleContext(options.verbosity, "rollup-plugin-typescript2: ");
var cache = new Cache(servicesHost, options.cacheRoot, parsedConfig.options, parsedConfig.fileNames, context);
if (options.clean)
cache.clean();
return {
resolveId: function (importee, importer) {
if (importee === TSLIB)
return "\0" + TSLIB;
if (!importer)
return null;
importer = importer.split("\\").join("/");
var result = ts.nodeModuleNameResolver(importee, importer, parsedConfig.options, ts.sys);
if (result.resolvedModule && result.resolvedModule.resolvedFileName) {
if (filter$$1(result.resolvedModule.resolvedFileName))
cache.setDependency(result.resolvedModule.resolvedFileName, importer);
if (_.endsWith(result.resolvedModule.resolvedFileName, ".d.ts"))
return null;
return result.resolvedModule.resolvedFileName;
}
return null;
},
load: function (id) {
if (id === "\0" + TSLIB)
return tslibSource;
return undefined;
},
transform: function (code, id) {
var _this = this;
if (!filter$$1(id))
return undefined;
var contextWrapper = new RollupContext(options.verbosity, options.abortOnError, this, "rollup-plugin-typescript2: ");
contextWrapper.debug(id);
var snapshot = servicesHost.setSnapshot(id, code);
// getting compiled file from cache of from ts
var result = cache.getCompiled(id, snapshot, function () {
var output = services.getEmitOutput(id);
if (output.emitSkipped) {
if (options.check) {
var diagnostics = cache.getSyntacticDiagnostics(id, snapshot, function () {
return services.getSyntacticDiagnostics(id);
});
contextWrapper.debug("printDiagnostics");
printDiagnostics(contextWrapper, diagnostics);
}
// if no output was generated, aborting compilation
_this.error(colors.red("failed to transpile " + id));
}
var transpiled = _.find(output.outputFiles, function (entry) { return _.endsWith(entry.name, ".js"); });
var map$$1 = _.find(output.outputFiles, function (entry) { return _.endsWith(entry.name, ".map"); });
return {
code: transpiled ? transpiled.text : undefined,
map: map$$1 ? JSON.parse(map$$1.text) : { mappings: "" },
};
});
// printing syntactic errors
if (options.check) {
var diagnostics = cache.getSyntacticDiagnostics(id, snapshot, function () {
return services.getSyntacticDiagnostics(id);
});
contextWrapper.debug("printDiagnostics");
printDiagnostics(contextWrapper, diagnostics);
}
return result;
},
intro: function () {
context.debug("intro");
// printing compiler option errors
if (options.check)
printDiagnostics(context, convertDiagnostic(services.getCompilerOptionsDiagnostics()));
},
outro: function () {
context.debug("outro");
cache.compileDone();
// printing semantic errors
if (options.check) {
cache.walkTree(function (id) {
var snapshot = servicesHost.getScriptSnapshot(id);
if (!snapshot) {
context.error(colors.red("failed lo load snapshot for " + id));
return;
}
var diagnostics = cache.getSemanticDiagnostics(id, snapshot, function () {
return services.getSemanticDiagnostics(id);
});
printDiagnostics(context, diagnostics);
});
}
cache.diagnosticsDone();
},
};
}
module.exports = typescript;