44 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			44 lines
		
	
	
		
			1.1 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.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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