diff --git a/docs/features/OxHugo compatibility.md b/docs/features/OxHugo compatibility.md new file mode 100644 index 0000000..12774e7 --- /dev/null +++ b/docs/features/OxHugo compatibility.md @@ -0,0 +1,38 @@ +--- +tags: + - plugin/transformer +--- + +Quartz is a static-site generator that transforms markdown content into web pages. [org-roam](https://www.orgroam.com/) is a plain-text(`org`) personal knowledge management system for [emacs](https://en.wikipedia.org/wiki/Emacs). [ox-hugo](https://github.com/kaushalmodi/ox-hugo) is org exporter backend that exports `org-mode` files to [Hugo](https://gohugo.io/) compatible markdown. + +Because the markdown generated by ox-hugo is not pure markdown but Hugo specific, we need to transform it to fit into Quartz. This is done by `Plugin.OxHugoFlavouredMarkdown`. Even though this [[making plugins|plugin]] was written with `ox-hugo` in mind, it should work for any Hugo specific markdown. + +```typescript title="quartz.config.ts" +plugins: { + transformers: [ + Plugin.FrontMatter({ delims: "+++", language: "toml" }), // if toml frontmatter + // ... + Plugin.OxHugoFlavouredMarkdown(), + Plugin.GitHubFlavoredMarkdown(), + // ... + ], +}, +``` + +## Usage + +Quartz by default doesn't understand `org-roam` files as they aren't Markdown. You're responsible for using an external tool like `ox-hugo` to export the `org-roam` files as Markdown content to Quartz and managing the static assets so that they're available in the final output. + +## Configuration + +- Link resolution + - `wikilinks`: Whether to replace `{{ relref }}` with Quartz [[wikilinks]] + - `removePredefinedAnchor`: Whether to remove [pre-defined anchor set by ox-hugo](https://ox-hugo.scripter.co/doc/anchors/). +- Image handling + - `replaceFigureWithMdImg`: Whether to replace `
` with `![]()` +- Formatting + - `removeHugoShortcode`: Whether to remove hugo shortcode syntax (`{{}}`) + +> [!warning] +> +> While you can use `Plugin.OxHugoFlavoredMarkdown` and `Plugin.ObsidianFlavoredMarkdown` together, it's not recommended because it might mutate the file in unexpected ways. Use with caution. diff --git a/quartz/plugins/transformers/frontmatter.ts b/quartz/plugins/transformers/frontmatter.ts index a7249c1..571aa04 100644 --- a/quartz/plugins/transformers/frontmatter.ts +++ b/quartz/plugins/transformers/frontmatter.ts @@ -21,7 +21,7 @@ export const FrontMatter: QuartzTransformerPlugin | undefined> name: "FrontMatter", markdownPlugins() { return [ - remarkFrontmatter, + [remarkFrontmatter, ["yaml", "toml"]], () => { return (_, file) => { const { data } = matter(file.value, { diff --git a/quartz/plugins/transformers/index.ts b/quartz/plugins/transformers/index.ts index 8013ab7..d9f2854 100644 --- a/quartz/plugins/transformers/index.ts +++ b/quartz/plugins/transformers/index.ts @@ -5,5 +5,6 @@ export { Latex } from "./latex" export { Description } from "./description" export { CrawlLinks } from "./links" export { ObsidianFlavoredMarkdown } from "./ofm" +export { OxHugoFlavouredMarkdown } from "./oxhugofm" export { SyntaxHighlighting } from "./syntax" export { TableOfContents } from "./toc" diff --git a/quartz/plugins/transformers/oxhugofm.ts b/quartz/plugins/transformers/oxhugofm.ts new file mode 100644 index 0000000..0d7b919 --- /dev/null +++ b/quartz/plugins/transformers/oxhugofm.ts @@ -0,0 +1,73 @@ +import { QuartzTransformerPlugin } from "../types" + +export interface Options { + /** Replace {{ relref }} with quartz wikilinks []() */ + wikilinks: boolean + /** Remove pre-defined anchor (see https://ox-hugo.scripter.co/doc/anchors/) */ + removePredefinedAnchor: boolean + /** Remove hugo shortcode syntax */ + removeHugoShortcode: boolean + /** Replace
with ![]() */ + replaceFigureWithMdImg: boolean +} + +const defaultOptions: Options = { + wikilinks: true, + removePredefinedAnchor: true, + removeHugoShortcode: true, + replaceFigureWithMdImg: true, +} + +const relrefRegex = new RegExp(/\[([^\]]+)\]\(\{\{< relref "([^"]+)" >\}\}\)/, "g") +const predefinedHeadingIdRegex = new RegExp(/(.*) {#(?:.*)}/, "g") +const hugoShortcodeRegex = new RegExp(/{{(.*)}}/, "g") +const figureTagRegex = new RegExp(/< ?figure src="(.*)" ?>/, "g") + +/** + * ox-hugo is an org exporter backend that exports org files to hugo-compatible + * markdown in an opinionated way. This plugin adds some tweaks to the generated + * markdown to make it compatible with quartz but the list of changes applied it + * is not exhaustive. + * */ +export const OxHugoFlavouredMarkdown: QuartzTransformerPlugin | undefined> = ( + userOpts, +) => { + const opts = { ...defaultOptions, ...userOpts } + return { + name: "OxHugoFlavouredMarkdown", + textTransform(_ctx, src) { + if (opts.wikilinks) { + src = src.toString() + src = src.replaceAll(relrefRegex, (value, ...capture) => { + const [text, link] = capture + return `[${text}](${link})` + }) + } + + if (opts.removePredefinedAnchor) { + src = src.toString() + src = src.replaceAll(predefinedHeadingIdRegex, (value, ...capture) => { + const [headingText] = capture + return headingText + }) + } + + if (opts.removeHugoShortcode) { + src = src.toString() + src = src.replaceAll(hugoShortcodeRegex, (value, ...capture) => { + const [scContent] = capture + return scContent + }) + } + + if (opts.replaceFigureWithMdImg) { + src = src.toString() + src = src.replaceAll(figureTagRegex, (value, ...capture) => { + const [src] = capture + return `![](${src})` + }) + } + return src + }, + } +}