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