mirror of https://github.com/logos-co/roadmap.git
108 lines
3.4 KiB
TypeScript
108 lines
3.4 KiB
TypeScript
import { QuartzTransformerPlugin } from "../types"
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export interface Options {
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/** Replace {{ relref }} with quartz wikilinks []() */
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wikilinks: boolean
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/** Remove pre-defined anchor (see https://ox-hugo.scripter.co/doc/anchors/) */
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removePredefinedAnchor: boolean
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/** Remove hugo shortcode syntax */
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removeHugoShortcode: boolean
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/** Replace <figure/> with ![]() */
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replaceFigureWithMdImg: boolean
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/** Replace org latex fragments with $ and $$ */
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replaceOrgLatex: boolean
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}
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const defaultOptions: Options = {
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wikilinks: true,
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removePredefinedAnchor: true,
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removeHugoShortcode: true,
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replaceFigureWithMdImg: true,
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replaceOrgLatex: true,
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}
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const relrefRegex = new RegExp(/\[([^\]]+)\]\(\{\{< relref "([^"]+)" >\}\}\)/, "g")
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const predefinedHeadingIdRegex = new RegExp(/(.*) {#(?:.*)}/, "g")
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const hugoShortcodeRegex = new RegExp(/{{(.*)}}/, "g")
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const figureTagRegex = new RegExp(/< ?figure src="(.*)" ?>/, "g")
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// \\\\\( -> matches \\(
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// (.+?) -> Lazy match for capturing the equation
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// \\\\\) -> matches \\)
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const inlineLatexRegex = new RegExp(/\\\\\((.+?)\\\\\)/, "g")
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// (?:\\begin{equation}|\\\\\(|\\\\\[) -> start of equation
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// ([\s\S]*?) -> Matches the block equation
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// (?:\\\\\]|\\\\\)|\\end{equation}) -> end of equation
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const blockLatexRegex = new RegExp(
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/(?:\\begin{equation}|\\\\\(|\\\\\[)([\s\S]*?)(?:\\\\\]|\\\\\)|\\end{equation})/,
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"g",
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)
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// \$\$[\s\S]*?\$\$ -> Matches block equations
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// \$.*?\$ -> Matches inline equations
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const quartzLatexRegex = new RegExp(/\$\$[\s\S]*?\$\$|\$.*?\$/, "g")
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/**
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* ox-hugo is an org exporter backend that exports org files to hugo-compatible
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* markdown in an opinionated way. This plugin adds some tweaks to the generated
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* markdown to make it compatible with quartz but the list of changes applied it
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* is not exhaustive.
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* */
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export const OxHugoFlavouredMarkdown: QuartzTransformerPlugin<Partial<Options> | undefined> = (
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userOpts,
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) => {
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const opts = { ...defaultOptions, ...userOpts }
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return {
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name: "OxHugoFlavouredMarkdown",
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textTransform(_ctx, src) {
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if (opts.wikilinks) {
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src = src.toString()
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src = src.replaceAll(relrefRegex, (value, ...capture) => {
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const [text, link] = capture
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return `[${text}](${link})`
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})
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}
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if (opts.removePredefinedAnchor) {
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src = src.toString()
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src = src.replaceAll(predefinedHeadingIdRegex, (value, ...capture) => {
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const [headingText] = capture
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return headingText
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})
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}
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if (opts.removeHugoShortcode) {
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src = src.toString()
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src = src.replaceAll(hugoShortcodeRegex, (value, ...capture) => {
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const [scContent] = capture
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return scContent
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})
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}
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if (opts.replaceFigureWithMdImg) {
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src = src.toString()
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src = src.replaceAll(figureTagRegex, (value, ...capture) => {
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const [src] = capture
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return ``
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})
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}
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if (opts.replaceOrgLatex) {
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src = src.toString()
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src = src.replaceAll(inlineLatexRegex, (value, ...capture) => {
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const [eqn] = capture
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return `$${eqn}$`
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})
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src = src.replaceAll(blockLatexRegex, (value, ...capture) => {
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const [eqn] = capture
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return `$$${eqn}$$`
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})
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// ox-hugo escapes _ as \_
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src = src.replaceAll(quartzLatexRegex, (value) => {
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return value.replaceAll("\\_", "_")
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})
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}
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return src
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},
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}
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} |