Toon Baeyens
6 years ago
parent
8ef36d1868
commit
cba497548c
@ -0,0 +1,98 @@
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// Copyright (c) Jupyter Development Team.
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// Distributed under the terms of the Modified BSD License.
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define([
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'jquery',
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'base/js/utils',
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'base/js/mathjaxutils',
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'base/js/security',
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'components/marked/lib/marked',
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'codemirror/lib/codemirror',
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], function($, utils, mathjaxutils, security, marked, CodeMirror){
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"use strict";
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marked.setOptions({
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gfm : true,
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tables: true,
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langPrefix: "cm-s-ipython language-",
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highlight: function(code, lang, callback) {
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if (!lang) {
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// no language, no highlight
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if (callback) {
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callback(null, code);
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return;
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} else {
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return code;
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}
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}
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utils.requireCodeMirrorMode(lang, function (spec) {
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var el = document.createElement("div");
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var mode = CodeMirror.getMode({}, spec);
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if (!mode) {
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console.log("No CodeMirror mode: " + lang);
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callback(null, code);
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return;
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}
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try {
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CodeMirror.runMode(code, spec, el);
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callback(null, el.innerHTML);
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} catch (err) {
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console.log("Failed to highlight " + lang + " code", err);
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callback(err, code);
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}
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}, function (err) {
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console.log("No CodeMirror mode: " + lang);
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console.log("Require CodeMirror mode error: " + err);
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callback(null, code);
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});
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}
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});
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var mathjax_init_done = false;
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function ensure_mathjax_init() {
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if(!mathjax_init_done) {
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mathjax_init_done = true;
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mathjaxutils.init();
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}
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}
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function render(markdown, options, callback) {
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options = $.extend({
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// Apply mathjax transformation
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with_math: false,
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// Prevent marked from returning inline styles for table cells
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clean_tables: false
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}, options);
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var renderer = new marked.Renderer();
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if(options.clean_tables) {
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renderer.tablecell = function (content, flags) {
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var type = flags.header ? 'th' : 'td';
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var style = flags.align == null ? '': ' style="text-align: ' + flags.align + '"';
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var start_tag = '<' + type + style + '>';
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var end_tag = '</' + type + '>\n';
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return start_tag + content + end_tag;
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};
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}
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var text = markdown;
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var math = null;
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if(options.with_math) {
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ensure_mathjax_init();
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var text_and_math = mathjaxutils.remove_math(markdown);
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text = text_and_math[0];
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math = text_and_math[1];
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}
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marked(text, { renderer: renderer }, function (err, html) {
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if(!err) {
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if(options.with_math) {
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html = mathjaxutils.replace_math(html, math);
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}
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if(options.sanitize) {
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html = $(security.sanitize_html_and_parse(html));
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}
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}
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callback(err, html);
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});
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}
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return {'render': render};
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});
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