realms-wiki/realms/static/js/mdr.js

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// Init highlight JS
hljs.initHighlightingOnLoad();
function splitInput(str) {
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if (str.slice(0, 3) !== '---') return;
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var matcher = /\n(\.{3}|\-{3})/g;
var metaEnd = matcher.exec(str);
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return metaEnd && [str.slice(0, metaEnd.index), str.slice(matcher.lastIndex)];
}
/* © 2013 j201
* https://github.com/j201/meta-marked */
// Splits the given string into a meta section and a markdown section if a meta section is present, else returns null
var metaMarked = function(src, opt, callback) {
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if (Object.prototype.toString.call(src) !== '[object String]')
throw new TypeError('First parameter must be a string.');
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var mySplitInput = splitInput(src);
if (mySplitInput) {
var meta;
try {
meta = jsyaml.safeLoad(mySplitInput[0]);
} catch(e) {
meta = null;
}
return {
meta: meta,
md: mySplitInput[1]
};
} else {
return {
meta: null,
md: src
}
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}
};
var markdownit = window.markdownit({
html: true,
linkify: true,
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typographer: true,
highlight: function (str, lang) {
if (lang && hljs.getLanguage(lang)) {
try {
return hljs.highlight(lang, str).value;
} catch (__) {
}
}
return ''; // use external default escaping
}
}).use(markdownItAnchor, {
level: 1,
// slugify: string => string,
permalink: false,
// renderPermalink: (slug, opts, state, permalink) => {},
permalinkClass: 'header-anchor',
permalinkSymbol: '¶',
permalinkBefore: false
});
// Markdown Renderer
var MDR = {
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meta: null,
md: null,
sanitize: true, // Override
parse: function(md){
return markdownit.render(md);
},
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convert: function(md, sanitize) {
if (this.sanitize !== null) {
sanitize = this.sanitize;
}
this.md = md;
this.processMeta();
try {
var html = this.parse(this.md);
} catch(e) {
return this.md;
}
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if (sanitize) {
// Causes some problems with inline styles
html = html_sanitize(html, function(url) {
try {
var prot = decodeURIComponent(url.toString());
} catch (e) {
return '';
}
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if (prot.indexOf('javascript:') === 0) {
return '';
}
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return prot;
}, function(id){
return id;
});
}
this.hook();
return html;
},
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processMeta: function() {
var doc = metaMarked(this.md);
this.md = doc.md;
this.meta = doc.meta;
if (this.meta) {
try {
var template = Handlebars.compile(this.md);
this.md = template(this.meta);
} catch(e) {
console.log(e);
}
}
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},
hook: function() {
}
};
// Add some custom classes to table tags
markdownit.renderer.rules.table_open = function (tokens, idx, options, env, self) {
tokens[idx].attrPush(['class', 'table table-bordered']);
return self.renderToken(tokens, idx, options);
};