cherry-doc/lib/md-loader.js

markdown to doc

var marked = require('./marked');
var babel = require('babel-core');
var renderer = new marked.Renderer();
var yamlFront = require('yaml-front-matter');

var highlightjs = require('highlight.js');

var res = void 0;
var id = void 0;

function escape(html, encode) {
    return html.replace(!encode ? /&(?!#?\w+;)/g : /&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;').replace(/'/g, '&#39;');
}

function unescape(html) {
    // explicitly match decimal, hex, and named HTML entities 
    return html.replace(/&(#(?:\d+)|(?:#x[0-9A-Fa-f]+)|(?:\w+));?/g, function (_, n) {
        n = n.toLowerCase();
        if (n === 'colon') return ':';
        if (n.charAt(0) === '#') {
            return n.charAt(1) === 'x' ? String.fromCharCode(parseInt(n.substring(2), 16)) : String.fromCharCode(+n.substring(1));
        }
        return '';
    });
}

renderer.runcode = function (code, language, escaped) {
    res = code;

    var validLang = !!(language && highlightjs.getLanguage(language));
    // Highlight only if the language is valid.
    var highlighted = validLang ? highlightjs.highlight(language, code).value : code;
    // Render the highlighted code with `hljs` class.
    return '<div> <div id=' + id + '></div><pre><code class="hljs ' + language + '">' + highlighted + '</code></pre></div>';
};

renderer.code = function (code, language, escaped) {
    var validLang = !!(language && highlightjs.getLanguage(language));
    // Highlight only if the language is valid.
    var highlighted = validLang ? highlightjs.highlight(language, code).value : code;
    // Render the highlighted code with `hljs` class.
    return '<div><pre><code class="hljs ' + language + '">' + highlighted + '</code></pre></div>';
};

renderer.table = function (header, body) {
    return '<table class="table table-striped">' + header + body + '</table>';
};

renderer.list = function (body, ordered) {
    var type = ordered ? 'ol' : 'ul';
    var styles = ordered ? 'upper-roman' : 'disc';
    return '<' + type + ' style="padding-left:40px; list-style-type:' + styles + ';" >\n' + body + '</' + type + '>\n';
};

function process(source) {
    source = marked(source, {
        renderer: renderer,
        gfm: true,
        tables: true,
        breaks: true,
        pedantic: false,
        sanitize: true,
        smartLists: true,
        smartypants: false
    });

    var res = JSON.stringify(source);
    return res;
}

module.exports = function (source, map) {
    this.cacheable && this.cacheable();

    res = '';
    id = 'comp' + Math.random();
    var yaml = yamlFront.loadFront(source, 'content');
    //对source进行解析
    var md = process(yaml.content);
    res += '\n export const md=' + md + '; \n export const id="' + id + '";';
    // console.log('----------------')
    // console.log(res);
    // console.log('--------------')

    this.callback(null, res, map);
};