roadmap/quartz/plugins/transformers/latex.ts

44 lines
1.1 KiB
TypeScript

import remarkMath from "remark-math"
import rehypeKatex from 'rehype-katex'
import rehypeMathjax from 'rehype-mathjax/svg.js'
import { QuartzTransformerPlugin } from "../types"
interface Options {
renderEngine: 'katex' | 'mathjax'
}
export const Latex: QuartzTransformerPlugin<Options> = (opts?: Options) => {
const engine = opts?.renderEngine ?? 'katex'
return {
name: "Latex",
markdownPlugins() {
return [remarkMath]
},
htmlPlugins() {
return [
engine === 'katex'
? [rehypeKatex, { output: 'html' }]
: [rehypeMathjax]
]
},
externalResources() {
return engine === 'katex'
? {
css: [
// base css
"https://cdn.jsdelivr.net/npm/katex@0.16.0/dist/katex.min.css",
],
js: [
{
// fix copy behaviour: https://github.com/KaTeX/KaTeX/blob/main/contrib/copy-tex/README.md
src: "https://cdn.jsdelivr.net/npm/katex@0.16.7/dist/contrib/copy-tex.min.js",
loadTime: "afterDOMReady",
contentType: 'external'
}
]
}
: {}
}
}
}