mirror of
https://github.com/docsifyjs/docsify.git
synced 2025-12-08 19:55:52 +00:00
feat(front-matter): add front matter[WIP]
This commit is contained in:
qingwei.li
cinwell.li
parent
754f92ce8e
commit
dbb92782cf
@ -9,7 +9,7 @@ var build = function (opts) {
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rollup
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.rollup({
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entry: 'src/' + opts.entry,
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plugins: [buble()].concat(opts.plugins || [])
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plugins: [buble(), commonjs(), nodeResolve()].concat(opts.plugins || [])
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})
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.then(function (bundle) {
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var dest = 'lib/' + (opts.output || opts.entry)
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@ -28,38 +28,35 @@ var build = function (opts) {
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build({
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entry: 'core/index.js',
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output: 'docsify.js',
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plugins: [commonjs(), nodeResolve()]
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output: 'docsify.js'
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})
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build({
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entry: 'plugins/search/index.js',
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output: 'plugins/search.js',
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moduleName: 'D.Search'
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})
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var plugins = [
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{ name: 'search', entry: 'search/index.js', moduleName: 'Search' },
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{ name: 'ga', entry: 'ga.js', moduleName: 'GA' }
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// { name: 'front-matter', entry: 'front-matter/index.js', moduleName: 'FrontMatter' }
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]
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build({
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entry: 'plugins/ga.js',
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output: 'plugins/ga.js',
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moduleName: 'D.GA'
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plugins.forEach(item => {
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build({
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entry: 'plugins/' + item.entry,
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output: 'plugins/' + item.name + '.js',
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moduleName: 'D.' + item.moduleName
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})
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})
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if (isProd) {
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build({
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entry: 'core/index.js',
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output: 'docsify.min.js',
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plugins: [commonjs(), nodeResolve(), uglify()]
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})
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build({
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entry: 'plugins/search/index.js',
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output: 'plugins/search.min.js',
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moduleName: 'D.Search',
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plugins: [uglify()]
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})
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build({
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entry: 'plugins/ga.js',
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output: 'plugins/ga.min.js',
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moduleName: 'D.GA',
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plugins: [uglify()]
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plugins.forEach(item => {
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build({
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entry: 'plugins/' + item.entry,
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output: 'plugins/' + item.name + '.min.js',
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moduleName: 'D.' + item.moduleName,
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plugins: [uglify()]
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})
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})
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}
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13
src/plugins/front-matter/index.js
Normal file
13
src/plugins/front-matter/index.js
Normal file
@ -0,0 +1,13 @@
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import parser from './parser'
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const install = function (hook, vm) {
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hook.beforeEach(content => {
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const { attributes, body } = parser(content)
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Docsify.util.merge(vm.config, attributes.config)
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return body
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})
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}
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window.$docsify.plugins = [].concat(install, window.$docsify.plugins)
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54
src/plugins/front-matter/parser.js
Normal file
54
src/plugins/front-matter/parser.js
Normal file
@ -0,0 +1,54 @@
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/**
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* Fork https://github.com/egoist/docute/blob/master/src/utils/front-matter.js
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*/
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/* eslint-disable */
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import parser from './yaml'
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var optionalByteOrderMark = '\\ufeff?'
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var pattern = '^(' +
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optionalByteOrderMark +
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'(= yaml =|---)' +
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'$([\\s\\S]*?)' +
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'(?:\\2|\\.\\.\\.)' +
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'$' +
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'' +
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'(?:\\n)?)'
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// NOTE: If this pattern uses the 'g' flag the `regex` variable definition will
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// need to be moved down into the functions that use it.
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var regex = new RegExp(pattern, 'm')
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function extractor (string) {
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string = string || ''
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var lines = string.split(/(\r?\n)/)
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if (lines[0] && /= yaml =|---/.test(lines[0])) {
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return parse(string)
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} else {
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return { attributes: {}, body: string }
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}
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}
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function parse (string) {
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var match = regex.exec(string)
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if (!match) {
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return {
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attributes: {},
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body: string
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}
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}
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var yaml = match[match.length - 1].replace(/^\s+|\s+$/g, '')
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var attributes = parser(yaml) || {}
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var body = string.replace(match[0], '')
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return { attributes: attributes, body: body, frontmatter: yaml }
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}
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function test (string) {
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string = string || ''
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return regex.test(string)
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}
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export default extractor
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469
src/plugins/front-matter/yaml.js
Normal file
469
src/plugins/front-matter/yaml.js
Normal file
@ -0,0 +1,469 @@
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/**
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* Fork https://github.com/egoist/docute/blob/master/src/utils/yaml.js
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*/
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/* eslint-disable */
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/*
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YAML parser for Javascript
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Author: Diogo Costa
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This program is released under the MIT License as follows:
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Copyright (c) 2011 Diogo Costa (costa.h4evr@gmail.com)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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/**
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* @name YAML
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* @namespace
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*/
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var errors = [],
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reference_blocks = [],
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processing_time = 0,
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regex =
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{
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"regLevel" : new RegExp("^([\\s\\-]+)"),
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"invalidLine" : new RegExp("^\\-\\-\\-|^\\.\\.\\.|^\\s*#.*|^\\s*$"),
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"dashesString" : new RegExp("^\\s*\\\"([^\\\"]*)\\\"\\s*$"),
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"quotesString" : new RegExp("^\\s*\\\'([^\\\']*)\\\'\\s*$"),
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"float" : new RegExp("^[+-]?[0-9]+\\.[0-9]+(e[+-]?[0-9]+(\\.[0-9]+)?)?$"),
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"integer" : new RegExp("^[+-]?[0-9]+$"),
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"array" : new RegExp("\\[\\s*(.*)\\s*\\]"),
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"map" : new RegExp("\\{\\s*(.*)\\s*\\}"),
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"key_value" : new RegExp("([a-z0-9_-][ a-z0-9_-]*):( .+)", "i"),
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"single_key_value" : new RegExp("^([a-z0-9_-][ a-z0-9_-]*):( .+?)$", "i"),
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"key" : new RegExp("([a-z0-9_-][ a-z0-9_-]+):( .+)?", "i"),
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"item" : new RegExp("^-\\s+"),
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"trim" : new RegExp("^\\s+|\\s+$"),
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"comment" : new RegExp("([^\\\'\\\"#]+([\\\'\\\"][^\\\'\\\"]*[\\\'\\\"])*)*(#.*)?")
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};
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/**
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* @class A block of lines of a given level.
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* @param {int} lvl The block's level.
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* @private
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*/
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function Block(lvl) {
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return {
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/* The block's parent */
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parent: null,
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/* Number of children */
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length: 0,
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/* Block's level */
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level: lvl,
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/* Lines of code to process */
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lines: [],
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/* Blocks with greater level */
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children : [],
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/* Add a block to the children collection */
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addChild : function(obj) {
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this.children.push(obj);
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obj.parent = this;
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++this.length;
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}
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};
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}
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// function to create an XMLHttpClient in a cross-browser manner
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function createXMLHTTPRequest() {
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var xmlhttp;
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try {
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// Mozilla / Safari / IE7
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xmlhttp = new XMLHttpRequest();
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} catch (e) {
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// IE
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var XMLHTTP_IDS = new Array('MSXML2.XMLHTTP.5.0',
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'MSXML2.XMLHTTP.4.0',
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'MSXML2.XMLHTTP.3.0',
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'MSXML2.XMLHTTP',
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'Microsoft.XMLHTTP' );
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var success = false;
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for (var i=0;i < XMLHTTP_IDS.length && !success; i++) {
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try {
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xmlhttp = new ActiveXObject(XMLHTTP_IDS[i]);
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success = true;
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} catch (e) {}
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}
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if (!success) {
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throw new Error('Unable to create XMLHttpRequest.');
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}
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}
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return xmlhttp;
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}
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function parser(str) {
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var regLevel = regex["regLevel"];
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var invalidLine = regex["invalidLine"];
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var lines = str.split("\n");
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var m;
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var level = 0, curLevel = 0;
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var blocks = [];
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var result = new Block(-1);
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var currentBlock = new Block(0);
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result.addChild(currentBlock);
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var levels = [];
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var line = "";
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blocks.push(currentBlock);
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levels.push(level);
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for(var i = 0, len = lines.length; i < len; ++i) {
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line = lines[i];
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if(line.match(invalidLine)) {
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continue;
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}
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if(m = regLevel.exec(line)) {
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level = m[1].length;
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} else
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level = 0;
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if(level > curLevel) {
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var oldBlock = currentBlock;
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currentBlock = new Block(level);
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oldBlock.addChild(currentBlock);
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blocks.push(currentBlock);
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levels.push(level);
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} else if(level < curLevel) {
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var added = false;
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var k = levels.length - 1;
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for(; k >= 0; --k) {
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if(levels[k] == level) {
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currentBlock = new Block(level);
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blocks.push(currentBlock);
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levels.push(level);
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if(blocks[k].parent!= null)
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blocks[k].parent.addChild(currentBlock);
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added = true;
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break;
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}
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}
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if(!added) {
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errors.push("Error: Invalid indentation at line " + i + ": " + line);
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return;
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}
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}
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currentBlock.lines.push(line.replace(regex["trim"], ""));
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curLevel = level;
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}
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return result;
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}
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function processValue(val) {
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val = val.replace(regex["trim"], "");
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var m = null;
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if(val == 'true') {
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return true;
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} else if(val == 'false') {
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return false;
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} else if(val == '.NaN') {
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return Number.NaN;
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} else if(val == 'null') {
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return null;
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} else if(val == '.inf') {
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return Number.POSITIVE_INFINITY;
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} else if(val == '-.inf') {
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return Number.NEGATIVE_INFINITY;
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} else if(m = val.match(regex["dashesString"])) {
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return m[1];
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} else if(m = val.match(regex["quotesString"])) {
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return m[1];
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} else if(m = val.match(regex["float"])) {
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return parseFloat(m[0]);
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} else if(m = val.match(regex["integer"])) {
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return parseInt(m[0]);
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} else if( !isNaN(m = Date.parse(val))) {
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return new Date(m);
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} else if(m = val.match(regex["single_key_value"])) {
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var res = {};
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res[m[1]] = processValue(m[2]);
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return res;
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} else if(m = val.match(regex["array"])){
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var count = 0, c = ' ';
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var res = [];
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var content = "";
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var str = false;
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for(var j = 0, lenJ = m[1].length; j < lenJ; ++j) {
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c = m[1][j];
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if(c == '\'' || c == '"') {
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if(str === false) {
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str = c;
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content += c;
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continue;
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} else if((c == '\'' && str == '\'') || (c == '"' && str == '"')) {
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str = false;
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content += c;
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continue;
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}
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} else if(str === false && (c == '[' || c == '{')) {
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++count;
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} else if(str === false && (c == ']' || c == '}')) {
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--count;
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} else if(str === false && count == 0 && c == ',') {
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res.push(processValue(content));
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content = "";
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continue;
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}
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content += c;
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}
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if(content.length > 0)
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res.push(processValue(content));
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return res;
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} else if(m = val.match(regex["map"])){
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var count = 0, c = ' ';
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var res = [];
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var content = "";
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var str = false;
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for(var j = 0, lenJ = m[1].length; j < lenJ; ++j) {
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c = m[1][j];
|
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if(c == '\'' || c == '"') {
|
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if(str === false) {
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str = c;
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content += c;
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continue;
|
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} else if((c == '\'' && str == '\'') || (c == '"' && str == '"')) {
|
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str = false;
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content += c;
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continue;
|
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}
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} else if(str === false && (c == '[' || c == '{')) {
|
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++count;
|
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} else if(str === false && (c == ']' || c == '}')) {
|
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--count;
|
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} else if(str === false && count == 0 && c == ',') {
|
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res.push(content);
|
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content = "";
|
||||
continue;
|
||||
}
|
||||
|
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content += c;
|
||||
}
|
||||
|
||||
if(content.length > 0)
|
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res.push(content);
|
||||
|
||||
var newRes = {};
|
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for(var j = 0, lenJ = res.length; j < lenJ; ++j) {
|
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if(m = res[j].match(regex["key_value"])) {
|
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newRes[m[1]] = processValue(m[2]);
|
||||
}
|
||||
}
|
||||
|
||||
return newRes;
|
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} else
|
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return val;
|
||||
}
|
||||
|
||||
function processFoldedBlock(block) {
|
||||
var lines = block.lines;
|
||||
var children = block.children;
|
||||
var str = lines.join(" ");
|
||||
var chunks = [str];
|
||||
for(var i = 0, len = children.length; i < len; ++i) {
|
||||
chunks.push(processFoldedBlock(children[i]));
|
||||
}
|
||||
return chunks.join("\n");
|
||||
}
|
||||
|
||||
function processLiteralBlock(block) {
|
||||
var lines = block.lines;
|
||||
var children = block.children;
|
||||
var str = lines.join("\n");
|
||||
for(var i = 0, len = children.length; i < len; ++i) {
|
||||
str += processLiteralBlock(children[i]);
|
||||
}
|
||||
return str;
|
||||
}
|
||||
|
||||
function processBlock(blocks) {
|
||||
var m = null;
|
||||
var res = {};
|
||||
var lines = null;
|
||||
var children = null;
|
||||
var currentObj = null;
|
||||
|
||||
var level = -1;
|
||||
|
||||
var processedBlocks = [];
|
||||
|
||||
var isMap = true;
|
||||
|
||||
for(var j = 0, lenJ = blocks.length; j < lenJ; ++j) {
|
||||
|
||||
if(level != -1 && level != blocks[j].level)
|
||||
continue;
|
||||
|
||||
processedBlocks.push(j);
|
||||
|
||||
level = blocks[j].level;
|
||||
lines = blocks[j].lines;
|
||||
children = blocks[j].children;
|
||||
currentObj = null;
|
||||
|
||||
for(var i = 0, len = lines.length; i < len; ++i) {
|
||||
var line = lines[i];
|
||||
|
||||
if(m = line.match(regex["key"])) {
|
||||
var key = m[1];
|
||||
|
||||
if(key[0] == '-') {
|
||||
key = key.replace(regex["item"], "");
|
||||
if (isMap) {
|
||||
isMap = false;
|
||||
if (typeof(res.length) === "undefined") {
|
||||
res = [];
|
||||
}
|
||||
}
|
||||
if(currentObj != null) res.push(currentObj);
|
||||
currentObj = {};
|
||||
isMap = true;
|
||||
}
|
||||
|
||||
if(typeof m[2] != "undefined") {
|
||||
var value = m[2].replace(regex["trim"], "");
|
||||
if(value[0] == '&') {
|
||||
var nb = processBlock(children);
|
||||
if(currentObj != null) currentObj[key] = nb;
|
||||
else res[key] = nb;
|
||||
reference_blocks[value.substr(1)] = nb;
|
||||
} else if(value[0] == '|') {
|
||||
if(currentObj != null) currentObj[key] = processLiteralBlock(children.shift());
|
||||
else res[key] = processLiteralBlock(children.shift());
|
||||
} else if(value[0] == '*') {
|
||||
var v = value.substr(1);
|
||||
var no = {};
|
||||
|
||||
if(typeof reference_blocks[v] == "undefined") {
|
||||
errors.push("Reference '" + v + "' not found!");
|
||||
} else {
|
||||
for(var k in reference_blocks[v]) {
|
||||
no[k] = reference_blocks[v][k];
|
||||
}
|
||||
|
||||
if(currentObj != null) currentObj[key] = no;
|
||||
else res[key] = no;
|
||||
}
|
||||
} else if(value[0] == '>') {
|
||||
if(currentObj != null) currentObj[key] = processFoldedBlock(children.shift());
|
||||
else res[key] = processFoldedBlock(children.shift());
|
||||
} else {
|
||||
if(currentObj != null) currentObj[key] = processValue(value);
|
||||
else res[key] = processValue(value);
|
||||
}
|
||||
} else {
|
||||
if(currentObj != null) currentObj[key] = processBlock(children);
|
||||
else res[key] = processBlock(children);
|
||||
}
|
||||
} else if(line.match(/^-\s*$/)) {
|
||||
if (isMap) {
|
||||
isMap = false;
|
||||
if (typeof(res.length) === "undefined") {
|
||||
res = [];
|
||||
}
|
||||
}
|
||||
if(currentObj != null) res.push(currentObj);
|
||||
currentObj = {};
|
||||
isMap = true;
|
||||
continue;
|
||||
} else if(m = line.match(/^-\s*(.*)/)) {
|
||||
if(currentObj != null)
|
||||
currentObj.push(processValue(m[1]));
|
||||
else {
|
||||
if (isMap) {
|
||||
isMap = false;
|
||||
if (typeof(res.length) === "undefined") {
|
||||
res = [];
|
||||
}
|
||||
}
|
||||
res.push(processValue(m[1]));
|
||||
}
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
if(currentObj != null) {
|
||||
if (isMap) {
|
||||
isMap = false;
|
||||
if (typeof(res.length) === "undefined") {
|
||||
res = [];
|
||||
}
|
||||
}
|
||||
res.push(currentObj);
|
||||
}
|
||||
}
|
||||
|
||||
for(var j = processedBlocks.length - 1; j >= 0; --j) {
|
||||
blocks.splice.call(blocks, processedBlocks[j], 1);
|
||||
}
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
function semanticAnalysis(blocks) {
|
||||
var res = processBlock(blocks.children);
|
||||
return res;
|
||||
}
|
||||
|
||||
function preProcess(src) {
|
||||
var m;
|
||||
var lines = src.split("\n");
|
||||
|
||||
var r = regex["comment"];
|
||||
|
||||
for(var i in lines) {
|
||||
if(m = lines[i].match(r)) {
|
||||
/* var cmt = "";
|
||||
if(typeof m[3] != "undefined")
|
||||
lines[i] = m[1];
|
||||
else if(typeof m[3] != "undefined")
|
||||
lines[i] = m[3];
|
||||
else
|
||||
lines[i] = "";
|
||||
*/
|
||||
if(typeof m[3] !== "undefined") {
|
||||
lines[i] = m[0].substr(0, m[0].length - m[3].length);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return lines.join("\n");
|
||||
}
|
||||
|
||||
function load(str) {
|
||||
errors = [];
|
||||
reference_blocks = [];
|
||||
processing_time = (new Date()).getTime();
|
||||
var pre = preProcess(str)
|
||||
var doc = parser(pre);
|
||||
var res = semanticAnalysis(doc);
|
||||
processing_time = (new Date()).getTime() - processing_time;
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
export default load
|
||||
Loading…
x
Reference in New Issue
Block a user