45 lines
1.2 KiB
TypeScript
45 lines
1.2 KiB
TypeScript
import remarkMath from "remark-math"
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import rehypeKatex from "rehype-katex"
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import rehypeMathjax from "rehype-mathjax/svg"
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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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if (engine === "katex") {
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return [[rehypeKatex, { output: "html" }]]
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} else {
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return [rehypeMathjax]
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}
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},
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externalResources() {
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if (engine === "katex") {
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return {
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css: [
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// base css
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"https://cdn.jsdelivr.net/npm/katex@0.16.9/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@0.16.9/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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} else {
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return {}
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}
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},
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}
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}
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