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comparison katex/contrib/mathtex-script-type.mjs @ 8:4a25b534c81c javascript-experiment

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Add v8 engine and include katex
author Jonatan Werpers <jonatan@werpers.com>
date Wed, 17 Jun 2020 21:43:52 +0200
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7:a5aa39557726 8:4a25b534c81c
1 import katex from '../katex.mjs';
2
3 let scripts = document.body.getElementsByTagName("script");
4 scripts = Array.prototype.slice.call(scripts);
5 scripts.forEach(function (script) {
6 if (!script.type || !script.type.match(/math\/tex/i)) {
7 return -1;
8 }
9
10 const display = script.type.match(/mode\s*=\s*display(;|\s|\n|$)/) != null;
11 const katexElement = document.createElement(display ? "div" : "span");
12 katexElement.setAttribute("class", display ? "equation" : "inline-equation");
13
14 try {
15 katex.render(script.text, katexElement, {
16 displayMode: display
17 });
18 } catch (err) {
19 //console.error(err); linter doesn't like this
20 katexElement.textContent = script.text;
21 }
22
23 script.parentNode.replaceChild(katexElement, script);
24 });