From c538c151c7462ad0395ff2c15c5e11e89e362aa8 Mon Sep 17 00:00:00 2001
From: Striven <sg.striven@cutecat.club>
Date: Sat, 04 Apr 2026 19:47:16 +0000
Subject: [PATCH] Initial commit
---
quartz/plugins/transformers/ofm.ts | 861 +++++++++++++++++++++++++++++++++++++++++++++-----------
1 files changed, 682 insertions(+), 179 deletions(-)
diff --git a/quartz/plugins/transformers/ofm.ts b/quartz/plugins/transformers/ofm.ts
index aa83953..7a523aa 100644
--- a/quartz/plugins/transformers/ofm.ts
+++ b/quartz/plugins/transformers/ofm.ts
@@ -1,181 +1,410 @@
-import { PluggableList } from "unified"
import { QuartzTransformerPlugin } from "../types"
-import { Root, HTML, BlockContent, DefinitionContent, Code } from 'mdast'
-import { findAndReplace } from "mdast-util-find-and-replace"
-import { slugify } from "../../path"
+import {
+ Root,
+ Html,
+ BlockContent,
+ PhrasingContent,
+ DefinitionContent,
+ Paragraph,
+ Code,
+} from "mdast"
+import { Element, Literal, Root as HtmlRoot } from "hast"
+import { ReplaceFunction, findAndReplace as mdastFindReplace } from "mdast-util-find-and-replace"
import rehypeRaw from "rehype-raw"
-import { visit } from "unist-util-visit"
+import { SKIP, visit } from "unist-util-visit"
import path from "path"
-import { JSResource } from "../../resources"
+import { splitAnchor } from "../../util/path"
+import { JSResource, CSSResource } from "../../util/resources"
+// @ts-ignore
+import calloutScript from "../../components/scripts/callout.inline"
+// @ts-ignore
+import checkboxScript from "../../components/scripts/checkbox.inline"
+// @ts-ignore
+import mermaidScript from "../../components/scripts/mermaid.inline"
+import mermaidStyle from "../../components/styles/mermaid.inline.scss"
+import { FilePath, pathToRoot, slugTag, slugifyFilePath } from "../../util/path"
+import { toHast } from "mdast-util-to-hast"
+import { toHtml } from "hast-util-to-html"
+import { capitalize } from "../../util/lang"
+import { PluggableList } from "unified"
export interface Options {
+ comments: boolean
highlight: boolean
wikilinks: boolean
callouts: boolean
mermaid: boolean
+ parseTags: boolean
+ parseArrows: boolean
+ parseBlockReferences: boolean
+ enableInHtmlEmbed: boolean
+ enableYouTubeEmbed: boolean
+ enableVideoEmbed: boolean
+ enableCheckbox: boolean
+ disableBrokenWikilinks: boolean
}
const defaultOptions: Options = {
+ comments: true,
highlight: true,
wikilinks: true,
callouts: true,
- mermaid: false,
+ mermaid: true,
+ parseTags: true,
+ parseArrows: true,
+ parseBlockReferences: true,
+ enableInHtmlEmbed: false,
+ enableYouTubeEmbed: true,
+ enableVideoEmbed: true,
+ enableCheckbox: false,
+ disableBrokenWikilinks: false,
}
-const icons = {
- infoIcon: `<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"></circle><line x1="12" y1="16" x2="12" y2="12"></line><line x1="12" y1="8" x2="12.01" y2="8"></line></svg>`,
- pencilIcon: `<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><line x1="18" y1="2" x2="22" y2="6"></line><path d="M7.5 20.5 19 9l-4-4L3.5 16.5 2 22z"></path></svg>`,
- clipboardListIcon: `<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="8" y="2" width="8" height="4" rx="1" ry="1"></rect><path d="M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2"></path><path d="M12 11h4"></path><path d="M12 16h4"></path><path d="M8 11h.01"></path><path d="M8 16h.01"></path></svg>`,
- checkCircleIcon: `<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M12 22c5.523 0 10-4.477 10-10S17.523 2 12 2 2 6.477 2 12s4.477 10 10 10z"></path><path d="m9 12 2 2 4-4"></path></svg>`,
- flameIcon: `<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M8.5 14.5A2.5 2.5 0 0 0 11 12c0-1.38-.5-2-1-3-1.072-2.143-.224-4.054 2-6 .5 2.5 2 4.9 4 6.5 2 1.6 3 3.5 3 5.5a7 7 0 1 1-14 0c0-1.153.433-2.294 1-3a2.5 2.5 0 0 0 2.5 2.5z"></path></svg>`,
- checkIcon: `<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg>`,
- helpCircleIcon: `<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"></circle><path d="M9.09 9a3 3 0 0 1 5.83 1c0 2-3 3-3 3"></path><line x1="12" y1="17" x2="12.01" y2="17"></line></svg>`,
- alertTriangleIcon: `<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="m21.73 18-8-14a2 2 0 0 0-3.48 0l-8 14A2 2 0 0 0 4 21h16a2 2 0 0 0 1.73-3Z"></path><line x1="12" y1="9" x2="12" y2="13"></line><line x1="12" y1="17" x2="12.01" y2="17"></line></svg>`,
- xIcon: `<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><line x1="18" y1="6" x2="6" y2="18"></line><line x1="6" y1="6" x2="18" y2="18"></line></svg>`,
- zapIcon: `<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polygon points="13 2 3 14 12 14 11 22 21 10 12 10 13 2"></polygon></svg>`,
- bugIcon: `<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect width="8" height="14" x="8" y="6" rx="4"></rect><path d="m19 7-3 2"></path><path d="m5 7 3 2"></path><path d="m19 19-3-2"></path><path d="m5 19 3-2"></path><path d="M20 13h-4"></path><path d="M4 13h4"></path><path d="m10 4 1 2"></path><path d="m14 4-1 2"></path></svg>`,
- listIcon: `<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><line x1="8" y1="6" x2="21" y2="6"></line><line x1="8" y1="12" x2="21" y2="12"></line><line x1="8" y1="18" x2="21" y2="18"></line><line x1="3" y1="6" x2="3.01" y2="6"></line><line x1="3" y1="12" x2="3.01" y2="12"></line><line x1="3" y1="18" x2="3.01" y2="18"></line></svg>`,
- quoteIcon: `<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M3 21c3 0 7-1 7-8V5c0-1.25-.756-2.017-2-2H4c-1.25 0-2 .75-2 1.972V11c0 1.25.75 2 2 2 1 0 1 0 1 1v1c0 1-1 2-2 2s-1 .008-1 1.031V20c0 1 0 1 1 1z"></path><path d="M15 21c3 0 7-1 7-8V5c0-1.25-.757-2.017-2-2h-4c-1.25 0-2 .75-2 1.972V11c0 1.25.75 2 2 2h.75c0 2.25.25 4-2.75 4v3c0 1 0 1 1 1z"></path></svg>`,
+const calloutMapping = {
+ note: "note",
+ abstract: "abstract",
+ summary: "abstract",
+ tldr: "abstract",
+ info: "info",
+ todo: "todo",
+ tip: "tip",
+ hint: "tip",
+ important: "tip",
+ success: "success",
+ check: "success",
+ done: "success",
+ question: "question",
+ help: "question",
+ faq: "question",
+ warning: "warning",
+ attention: "warning",
+ caution: "warning",
+ failure: "failure",
+ missing: "failure",
+ fail: "failure",
+ danger: "danger",
+ error: "danger",
+ bug: "bug",
+ example: "example",
+ quote: "quote",
+ cite: "quote",
+} as const
+
+const arrowMapping: Record<string, string> = {
+ "->": "→",
+ "-->": "⇒",
+ "=>": "⇒",
+ "==>": "⇒",
+ "<-": "←",
+ "<--": "⇐",
+ "<=": "⇐",
+ "<==": "⇐",
}
-function canonicalizeCallout(calloutName: string): keyof typeof callouts {
- let callout = calloutName.toLowerCase() as keyof typeof calloutMapping
+function canonicalizeCallout(calloutName: string): keyof typeof calloutMapping {
+ const normalizedCallout = calloutName.toLowerCase() as keyof typeof calloutMapping
+ // if callout is not recognized, make it a custom one
+ return calloutMapping[normalizedCallout] ?? calloutName
+}
- const calloutMapping: Record<string, keyof typeof callouts> = {
- note: "note",
- abstract: "abstract",
- info: "info",
- todo: "todo",
- tip: "tip",
- hint: "tip",
- important: "tip",
- success: "success",
- check: "success",
- done: "success",
- question: "question",
- help: "question",
- faq: "question",
- warning: "warning",
- attention: "warning",
- caution: "warning",
- failure: "failure",
- missing: "failure",
- fail: "failure",
- danger: "danger",
- error: "danger",
- bug: "bug",
- example: "example",
- quote: "quote",
- cite: "quote"
+export const externalLinkRegex = /^https?:\/\//i
+
+export const arrowRegex = new RegExp(/(-{1,2}>|={1,2}>|<-{1,2}|<={1,2})/g)
+
+// !? -> optional embedding
+// \[\[ -> open brace
+// ([^\[\]\|\#]+) -> one or more non-special characters ([,],|, or #) (name)
+// (#[^\[\]\|\#]+)? -> # then one or more non-special characters (heading link)
+// (\\?\|[^\[\]\#]+)? -> optional escape \ then | then zero or more non-special characters (alias)
+export const wikilinkRegex = new RegExp(
+ /!?\[\[([^\[\]\|\#\\]+)?(#+[^\[\]\|\#\\]+)?(\\?\|[^\[\]\#]*)?\]\]/g,
+)
+
+// ^\|([^\n])+\|\n(\|) -> matches the header row
+// ( ?:?-{3,}:? ?\|)+ -> matches the header row separator
+// (\|([^\n])+\|\n)+ -> matches the body rows
+export const tableRegex = new RegExp(/^\|([^\n])+\|\n(\|)( ?:?-{3,}:? ?\|)+\n(\|([^\n])+\|\n?)+/gm)
+
+// matches any wikilink, only used for escaping wikilinks inside tables
+export const tableWikilinkRegex = new RegExp(/(!?\[\[[^\]]*?\]\]|\[\^[^\]]*?\])/g)
+
+const highlightRegex = new RegExp(/==([^=]+)==/g)
+const commentRegex = new RegExp(/%%[\s\S]*?%%/g)
+// from https://github.com/escwxyz/remark-obsidian-callout/blob/main/src/index.ts
+const calloutRegex = new RegExp(/^\[\!([\w-]+)\|?(.+?)?\]([+-]?)/)
+const calloutLineRegex = new RegExp(/^> *\[\!\w+\|?.*?\][+-]?.*$/gm)
+// (?<=^| ) -> a lookbehind assertion, tag should start be separated by a space or be the start of the line
+// #(...) -> capturing group, tag itself must start with #
+// (?:[-_\p{L}\d\p{Z}])+ -> non-capturing group, non-empty string of (Unicode-aware) alpha-numeric characters and symbols, hyphens and/or underscores
+// (?:\/[-_\p{L}\d\p{Z}]+)*) -> non-capturing group, matches an arbitrary number of tag strings separated by "/"
+const tagRegex = new RegExp(
+ /(?<=^| )#((?:[-_\p{L}\p{Emoji}\p{M}\d])+(?:\/[-_\p{L}\p{Emoji}\p{M}\d]+)*)/gu,
+)
+const blockReferenceRegex = new RegExp(/\^([-_A-Za-z0-9]+)$/g)
+const ytLinkRegex = /^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=)([^#\&\?]*).*/
+const ytPlaylistLinkRegex = /[?&]list=([^#?&]*)/
+const videoExtensionRegex = new RegExp(/\.(mp4|webm|ogg|avi|mov|flv|wmv|mkv|mpg|mpeg|3gp|m4v)$/)
+const wikilinkImageEmbedRegex = new RegExp(
+ /^(?<alt>(?!^\d*x?\d*$).*?)?(\|?\s*?(?<width>\d+)(x(?<height>\d+))?)?$/,
+)
+
+export const ObsidianFlavoredMarkdown: QuartzTransformerPlugin<Partial<Options>> = (userOpts) => {
+ const opts = { ...defaultOptions, ...userOpts }
+
+ const mdastToHtml = (ast: PhrasingContent | Paragraph) => {
+ const hast = toHast(ast, { allowDangerousHtml: true })!
+ return toHtml(hast, { allowDangerousHtml: true })
}
- return calloutMapping[callout]
-}
-
-const callouts = {
- note: icons.pencilIcon,
- abstract: icons.clipboardListIcon,
- info: icons.infoIcon,
- todo: icons.checkCircleIcon,
- tip: icons.flameIcon,
- success: icons.checkIcon,
- question: icons.helpCircleIcon,
- warning: icons.alertTriangleIcon,
- failure: icons.xIcon,
- danger: icons.zapIcon,
- bug: icons.bugIcon,
- example: icons.listIcon,
- quote: icons.quoteIcon,
-}
-
-const capitalize = (s: string): string => {
- return s.substring(0, 1).toUpperCase() + s.substring(1);
-}
-
-export const ObsidianFlavoredMarkdown: QuartzTransformerPlugin<Partial<Options> | undefined> = (userOpts) => {
- const opts = { ...defaultOptions, ...userOpts }
return {
name: "ObsidianFlavoredMarkdown",
- markdownPlugins() {
- const plugins: PluggableList = []
- if (opts.wikilinks) {
- plugins.push(() => {
- // Match wikilinks
- // !? -> optional embedding
- // \[\[ -> open brace
- // ([^\[\]\|\#]+) -> one or more non-special characters ([,],|, or #) (name)
- // (#[^\[\]\|\#]+)? -> # then one or more non-special characters (heading link)
- // (|[^\[\]\|\#]+)? -> | then one or more non-special characters (alias)
- const backlinkRegex = new RegExp(/!?\[\[([^\[\]\|\#]+)(#[^\[\]\|\#]+)?(\|[^\[\]\|\#]+)?\]\]/, "g")
- return (tree: Root, _file) => {
- findAndReplace(tree, backlinkRegex, (value: string, ...capture: string[]) => {
- const [fp, rawHeader, rawAlias] = capture
- const anchor = rawHeader?.trim() ?? ""
- const alias = rawAlias?.slice(1).trim()
+ textTransform(_ctx, src) {
+ // do comments at text level
+ if (opts.comments) {
+ src = src.replace(commentRegex, "")
+ }
- // embed cases
- if (value.startsWith("!")) {
- const ext = path.extname(fp).toLowerCase()
- const url = slugify(fp.trim()) + ext
- if ([".png", ".jpg", ".jpeg", ".gif", ".bmp", ".svg"].includes(ext)) {
- const dims = alias ?? ""
- let [width, height] = dims.split("x", 2)
- width ||= "auto"
- height ||= "auto"
- return {
- type: 'image',
- url,
- data: {
- hProperties: {
- width, height
- }
+ // pre-transform blockquotes
+ if (opts.callouts) {
+ src = src.replace(calloutLineRegex, (value) => {
+ // force newline after title of callout
+ return value + "\n> "
+ })
+ }
+
+ // pre-transform wikilinks (fix anchors to things that may contain illegal syntax e.g. codeblocks, latex)
+ if (opts.wikilinks) {
+ // replace all wikilinks inside a table first
+ src = src.replace(tableRegex, (value) => {
+ // escape all aliases and headers in wikilinks inside a table
+ return value.replace(tableWikilinkRegex, (_value, raw) => {
+ // const [raw]: (string | undefined)[] = capture
+ let escaped = raw ?? ""
+ escaped = escaped.replace("#", "\\#")
+ // escape pipe characters if they are not already escaped
+ escaped = escaped.replace(/((^|[^\\])(\\\\)*)\|/g, "$1\\|")
+
+ return escaped
+ })
+ })
+
+ // replace all other wikilinks
+ src = src.replace(wikilinkRegex, (value, ...capture) => {
+ const [rawFp, rawHeader, rawAlias]: (string | undefined)[] = capture
+
+ const [fp, anchor] = splitAnchor(`${rawFp ?? ""}${rawHeader ?? ""}`)
+ const blockRef = Boolean(rawHeader?.startsWith("#^")) ? "^" : ""
+ const displayAnchor = anchor ? `#${blockRef}${anchor.trim().replace(/^#+/, "")}` : ""
+ const displayAlias = rawAlias ?? rawHeader?.replace("#", "|") ?? ""
+ const embedDisplay = value.startsWith("!") ? "!" : ""
+
+ if (rawFp?.match(externalLinkRegex)) {
+ return `${embedDisplay}[${displayAlias.replace(/^\|/, "")}](${rawFp})`
+ }
+
+ return `${embedDisplay}[[${fp}${displayAnchor}${displayAlias}]]`
+ })
+ }
+
+ return src
+ },
+ markdownPlugins(ctx) {
+ const plugins: PluggableList = []
+
+ // regex replacements
+ plugins.push(() => {
+ return (tree: Root, file) => {
+ const replacements: [RegExp, string | ReplaceFunction][] = []
+ const base = pathToRoot(file.data.slug!)
+
+ if (opts.wikilinks) {
+ replacements.push([
+ wikilinkRegex,
+ (value: string, ...capture: string[]) => {
+ let [rawFp, rawHeader, rawAlias] = capture
+ const fp = rawFp?.trim() ?? ""
+ const anchor = rawHeader?.trim() ?? ""
+ const alias: string | undefined = rawAlias?.slice(1).trim()
+
+ // embed cases
+ if (value.startsWith("!")) {
+ const ext: string = path.extname(fp).toLowerCase()
+ const url = slugifyFilePath(fp as FilePath)
+ if ([".png", ".jpg", ".jpeg", ".gif", ".bmp", ".svg", ".webp"].includes(ext)) {
+ const match = wikilinkImageEmbedRegex.exec(alias ?? "")
+ const alt = match?.groups?.alt ?? ""
+ const width = match?.groups?.width ?? "auto"
+ const height = match?.groups?.height ?? "auto"
+ return {
+ type: "image",
+ url,
+ data: {
+ hProperties: {
+ width,
+ height,
+ alt,
+ },
+ },
+ }
+ } else if ([".mp4", ".webm", ".ogv", ".mov", ".mkv"].includes(ext)) {
+ return {
+ type: "html",
+ value: `<video src="${url}" controls></video>`,
+ }
+ } else if (
+ [".mp3", ".webm", ".wav", ".m4a", ".ogg", ".3gp", ".flac"].includes(ext)
+ ) {
+ return {
+ type: "html",
+ value: `<audio src="${url}" controls></audio>`,
+ }
+ } else if ([".pdf"].includes(ext)) {
+ return {
+ type: "html",
+ value: `<iframe src="${url}" class="pdf"></iframe>`,
+ }
+ } else {
+ const block = anchor
+ return {
+ type: "html",
+ data: { hProperties: { transclude: true } },
+ value: `<blockquote class="transclude" data-url="${url}" data-block="${block}" data-embed-alias="${alias}"><a href="${
+ url + anchor
+ }" class="transclude-inner">Transclude of ${url}${block}</a></blockquote>`,
}
}
- } else if ([".mp4", ".webm", ".ogv", ".mov", ".mkv"].includes(ext)) {
- return {
- type: 'html',
- value: `<video src="${url}" controls></video>`
- }
- } else if ([".mp3", ".webm", ".wav", ".m4a", ".ogg", ".3gp", ".flac"].includes(ext)) {
- return {
- type: 'html',
- value: `<audio src="${url}" controls></audio>`
- }
- } else if ([".pdf"].includes(ext)) {
- return {
- type: 'html',
- value: `<iframe src="${url}"></iframe>`
+
+ // otherwise, fall through to regular link
+ }
+
+ // treat as broken link if slug not in ctx.allSlugs
+ if (opts.disableBrokenWikilinks) {
+ const slug = slugifyFilePath(fp as FilePath)
+ const exists = ctx.allSlugs && ctx.allSlugs.includes(slug)
+ if (!exists) {
+ return {
+ type: "html",
+ value: `<a class=\"internal broken\">${alias ?? fp}</a>`,
+ }
}
}
- // otherwise, fall through to regular link
- }
- // internal link
- const url = slugify(fp.trim() + anchor)
- return {
- type: 'link',
- url,
- children: [{
- type: 'text',
- value: alias ?? fp
- }]
+ // internal link
+ const url = fp + anchor
+
+ return {
+ type: "link",
+ url,
+ children: [
+ {
+ type: "text",
+ value: alias ?? fp,
+ },
+ ],
+ }
+ },
+ ])
+ }
+
+ if (opts.highlight) {
+ replacements.push([
+ highlightRegex,
+ (_value: string, ...capture: string[]) => {
+ const [inner] = capture
+ return {
+ type: "html",
+ value: `<span class="text-highlight">${inner}</span>`,
+ }
+ },
+ ])
+ }
+
+ if (opts.parseArrows) {
+ replacements.push([
+ arrowRegex,
+ (value: string, ..._capture: string[]) => {
+ const maybeArrow = arrowMapping[value]
+ if (maybeArrow === undefined) return SKIP
+ return {
+ type: "html",
+ value: `<span>${maybeArrow}</span>`,
+ }
+ },
+ ])
+ }
+
+ if (opts.parseTags) {
+ replacements.push([
+ tagRegex,
+ (_value: string, tag: string) => {
+ // Check if the tag only includes numbers and slashes
+ if (/^[\/\d]+$/.test(tag)) {
+ return false
+ }
+
+ tag = slugTag(tag)
+ if (file.data.frontmatter) {
+ const noteTags = file.data.frontmatter.tags ?? []
+ file.data.frontmatter.tags = [...new Set([...noteTags, tag])]
+ }
+
+ return {
+ type: "link",
+ url: base + `/tags/${tag}`,
+ data: {
+ hProperties: {
+ className: ["tag-link"],
+ },
+ },
+ children: [
+ {
+ type: "text",
+ value: tag,
+ },
+ ],
+ }
+ },
+ ])
+ }
+
+ if (opts.enableInHtmlEmbed) {
+ visit(tree, "html", (node: Html) => {
+ for (const [regex, replace] of replacements) {
+ if (typeof replace === "string") {
+ node.value = node.value.replace(regex, replace)
+ } else {
+ node.value = node.value.replace(regex, (substring: string, ...args) => {
+ const replaceValue = replace(substring, ...args)
+ if (typeof replaceValue === "string") {
+ return replaceValue
+ } else if (Array.isArray(replaceValue)) {
+ return replaceValue.map(mdastToHtml).join("")
+ } else if (typeof replaceValue === "object" && replaceValue !== null) {
+ return mdastToHtml(replaceValue)
+ } else {
+ return substring
+ }
+ })
+ }
}
})
}
+ mdastFindReplace(tree, replacements)
}
- )
- }
+ })
- if (opts.highlight) {
+ if (opts.enableVideoEmbed) {
plugins.push(() => {
- // Match highlights
- const highlightRegex = new RegExp(/==(.+)==/, "g")
return (tree: Root, _file) => {
- findAndReplace(tree, highlightRegex, (_value: string, ...capture: string[]) => {
- const [inner] = capture
- return {
- type: 'html',
- value: `<span class="text-highlight">${inner}</span>`
+ visit(tree, "image", (node, index, parent) => {
+ if (parent && index != undefined && videoExtensionRegex.test(node.url)) {
+ const newNode: Html = {
+ type: "html",
+ value: `<video controls src="${node.url}"></video>`,
+ }
+
+ parent.children.splice(index, 1, newNode)
+ return SKIP
}
})
}
@@ -184,66 +413,106 @@
if (opts.callouts) {
plugins.push(() => {
- // from https://github.com/escwxyz/remark-obsidian-callout/blob/main/src/index.ts
- const calloutRegex = new RegExp(/^\[\!(\w+)\]([+-]?)/)
return (tree: Root, _file) => {
visit(tree, "blockquote", (node) => {
if (node.children.length === 0) {
return
}
- // find first line
- const firstChild = node.children[0]
+ // find first line and callout content
+ const [firstChild, ...calloutContent] = node.children
if (firstChild.type !== "paragraph" || firstChild.children[0]?.type !== "text") {
return
}
const text = firstChild.children[0].value
+ const restOfTitle = firstChild.children.slice(1)
const [firstLine, ...remainingLines] = text.split("\n")
const remainingText = remainingLines.join("\n")
const match = firstLine.match(calloutRegex)
if (match && match.input) {
- const [calloutDirective, typeString, collapseChar] = match
- const calloutType = typeString.toLowerCase() as keyof typeof callouts
+ const [calloutDirective, typeString, calloutMetaData, collapseChar] = match
+ const calloutType = canonicalizeCallout(typeString.toLowerCase())
const collapse = collapseChar === "+" || collapseChar === "-"
const defaultState = collapseChar === "-" ? "collapsed" : "expanded"
- const title = match.input.slice(calloutDirective.length).trim() || capitalize(calloutType)
+ const titleContent = match.input.slice(calloutDirective.length).trim()
+ const useDefaultTitle = titleContent === "" && restOfTitle.length === 0
+ const titleNode: Paragraph = {
+ type: "paragraph",
+ children: [
+ {
+ type: "text",
+ value: useDefaultTitle
+ ? capitalize(typeString).replace(/-/g, " ")
+ : titleContent + " ",
+ },
+ ...restOfTitle,
+ ],
+ }
+ const title = mdastToHtml(titleNode)
- const titleNode: HTML = {
+ const toggleIcon = `<div class="fold-callout-icon"></div>`
+
+ const titleHtml: Html = {
type: "html",
- value: `<div
+ value: `<div
class="callout-title"
>
- <div class="callout-icon">${callouts[canonicalizeCallout(calloutType)]}</div>
+ <div class="callout-icon"></div>
<div class="callout-title-inner">${title}</div>
- </div>`
+ ${collapse ? toggleIcon : ""}
+ </div>`,
}
- const blockquoteContent: (BlockContent | DefinitionContent)[] = [titleNode]
+ const blockquoteContent: (BlockContent | DefinitionContent)[] = [titleHtml]
if (remainingText.length > 0) {
blockquoteContent.push({
- type: 'paragraph',
- children: [{
- type: 'text',
- value: remainingText,
- }]
-
+ type: "paragraph",
+ children: [
+ {
+ type: "text",
+ value: remainingText,
+ },
+ ],
})
}
+ // For the rest of the MD callout elements other than the title, wrap them with
+ // two nested HTML <div>s (use some hacked mdhast component to achieve this) of
+ // class `callout-content` and `callout-content-inner` respectively for
+ // grid-based collapsible animation.
+ if (calloutContent.length > 0) {
+ node.children = [
+ node.children[0],
+ {
+ data: { hProperties: { className: ["callout-content"] }, hName: "div" },
+ type: "blockquote",
+ children: [...calloutContent],
+ },
+ ]
+ }
+
// replace first line of blockquote with title and rest of the paragraph text
node.children.splice(0, 1, ...blockquoteContent)
+ const classNames = ["callout", calloutType]
+ if (collapse) {
+ classNames.push("is-collapsible")
+ }
+ if (defaultState === "collapsed") {
+ classNames.push("is-collapsed")
+ }
+
// add properties to base blockquote
- // TODO: add the js to actually support collapsing callout
node.data = {
hProperties: {
...(node.data?.hProperties ?? {}),
- className: `callout ${collapse ? "is-collapsible" : ""} ${defaultState === "collapsed" ? "is-collapsed" : ""}`,
+ className: classNames.join(" "),
"data-callout": calloutType,
"data-callout-fold": collapse,
- }
+ "data-callout-metadata": calloutMetaData,
+ },
}
}
})
@@ -253,13 +522,15 @@
if (opts.mermaid) {
plugins.push(() => {
- return (tree: Root, _file) => {
- visit(tree, 'code', (node: Code) => {
- if (node.lang === 'mermaid') {
+ return (tree: Root, file) => {
+ visit(tree, "code", (node: Code) => {
+ if (node.lang === "mermaid") {
+ file.data.hasMermaidDiagram = true
node.data = {
hProperties: {
- className: 'mermaid'
- }
+ className: ["mermaid"],
+ "data-clipboard": JSON.stringify(node.value),
+ },
}
}
})
@@ -270,21 +541,253 @@
return plugins
},
htmlPlugins() {
- return [rehypeRaw]
+ const plugins: PluggableList = [rehypeRaw]
+
+ if (opts.parseBlockReferences) {
+ plugins.push(() => {
+ const inlineTagTypes = new Set(["p", "li"])
+ const blockTagTypes = new Set(["blockquote"])
+ return (tree: HtmlRoot, file) => {
+ file.data.blocks = {}
+
+ visit(tree, "element", (node, index, parent) => {
+ if (blockTagTypes.has(node.tagName)) {
+ const nextChild = parent?.children.at(index! + 2) as Element
+ if (nextChild && nextChild.tagName === "p") {
+ const text = nextChild.children.at(0) as Literal
+ if (text && text.value && text.type === "text") {
+ const matches = text.value.match(blockReferenceRegex)
+ if (matches && matches.length >= 1) {
+ parent!.children.splice(index! + 2, 1)
+ const block = matches[0].slice(1)
+
+ if (!Object.keys(file.data.blocks!).includes(block)) {
+ node.properties = {
+ ...node.properties,
+ id: block,
+ }
+ file.data.blocks![block] = node
+ }
+ }
+ }
+ }
+ } else if (inlineTagTypes.has(node.tagName)) {
+ const last = node.children.at(-1) as Literal
+ if (last && last.value && typeof last.value === "string") {
+ const matches = last.value.match(blockReferenceRegex)
+ if (matches && matches.length >= 1) {
+ last.value = last.value.slice(0, -matches[0].length)
+ const block = matches[0].slice(1)
+
+ if (last.value === "") {
+ // this is an inline block ref but the actual block
+ // is the previous element above it
+ let idx = (index ?? 1) - 1
+ while (idx >= 0) {
+ const element = parent?.children.at(idx)
+ if (!element) break
+ if (element.type !== "element") {
+ idx -= 1
+ } else {
+ if (!Object.keys(file.data.blocks!).includes(block)) {
+ element.properties = {
+ ...element.properties,
+ id: block,
+ }
+ file.data.blocks![block] = element
+ }
+ return
+ }
+ }
+ } else {
+ // normal paragraph transclude
+ if (!Object.keys(file.data.blocks!).includes(block)) {
+ node.properties = {
+ ...node.properties,
+ id: block,
+ }
+ file.data.blocks![block] = node
+ }
+ }
+ }
+ }
+ }
+ })
+
+ file.data.htmlAst = tree
+ }
+ })
+ }
+
+ if (opts.enableYouTubeEmbed) {
+ plugins.push(() => {
+ return (tree: HtmlRoot) => {
+ visit(tree, "element", (node) => {
+ if (node.tagName === "img" && typeof node.properties.src === "string") {
+ const match = node.properties.src.match(ytLinkRegex)
+ const videoId = match && match[2].length == 11 ? match[2] : null
+ const playlistId = node.properties.src.match(ytPlaylistLinkRegex)?.[1]
+ if (videoId) {
+ // YouTube video (with optional playlist)
+ node.tagName = "iframe"
+ node.properties = {
+ class: "external-embed youtube",
+ allow: "fullscreen",
+ frameborder: 0,
+ width: "600px",
+ src: playlistId
+ ? `https://www.youtube.com/embed/${videoId}?list=${playlistId}`
+ : `https://www.youtube.com/embed/${videoId}`,
+ }
+ } else if (playlistId) {
+ // YouTube playlist only.
+ node.tagName = "iframe"
+ node.properties = {
+ class: "external-embed youtube",
+ allow: "fullscreen",
+ frameborder: 0,
+ width: "600px",
+ src: `https://www.youtube.com/embed/videoseries?list=${playlistId}`,
+ }
+ }
+ }
+ })
+ }
+ })
+ }
+
+ if (opts.enableCheckbox) {
+ plugins.push(() => {
+ return (tree: HtmlRoot, _file) => {
+ visit(tree, "element", (node) => {
+ if (node.tagName === "input" && node.properties.type === "checkbox") {
+ const isChecked = node.properties?.checked ?? false
+ node.properties = {
+ type: "checkbox",
+ disabled: false,
+ checked: isChecked,
+ class: "checkbox-toggle",
+ }
+ }
+ })
+ }
+ })
+ }
+
+ if (opts.mermaid) {
+ plugins.push(() => {
+ return (tree: HtmlRoot, _file) => {
+ visit(tree, "element", (node: Element, _idx, parent) => {
+ if (
+ node.tagName === "code" &&
+ ((node.properties?.className ?? []) as string[])?.includes("mermaid")
+ ) {
+ parent!.children = [
+ {
+ type: "element",
+ tagName: "button",
+ properties: {
+ className: ["expand-button"],
+ "aria-label": "Expand mermaid diagram",
+ "data-view-component": true,
+ },
+ children: [
+ {
+ type: "element",
+ tagName: "svg",
+ properties: {
+ width: 16,
+ height: 16,
+ viewBox: "0 0 16 16",
+ fill: "currentColor",
+ },
+ children: [
+ {
+ type: "element",
+ tagName: "path",
+ properties: {
+ fillRule: "evenodd",
+ d: "M3.72 3.72a.75.75 0 011.06 1.06L2.56 7h10.88l-2.22-2.22a.75.75 0 011.06-1.06l3.5 3.5a.75.75 0 010 1.06l-3.5 3.5a.75.75 0 11-1.06-1.06l2.22-2.22H2.56l2.22 2.22a.75.75 0 11-1.06 1.06l-3.5-3.5a.75.75 0 010-1.06l3.5-3.5z",
+ },
+ children: [],
+ },
+ ],
+ },
+ ],
+ },
+ node,
+ {
+ type: "element",
+ tagName: "div",
+ properties: { id: "mermaid-container", role: "dialog" },
+ children: [
+ {
+ type: "element",
+ tagName: "div",
+ properties: { id: "mermaid-space" },
+ children: [
+ {
+ type: "element",
+ tagName: "div",
+ properties: { className: ["mermaid-content"] },
+ children: [],
+ },
+ ],
+ },
+ ],
+ },
+ ]
+ }
+ })
+ }
+ })
+ }
+
+ return plugins
},
externalResources() {
- const mermaidScript: JSResource = {
- script: `
- import mermaid from 'https://cdn.jsdelivr.net/npm/mermaid/dist/mermaid.esm.min.mjs';
- mermaid.initialize({ startOnLoad: true });
- `,
- loadTime: 'afterDOMReady',
- moduleType: 'module',
- contentType: 'inline'
+ const js: JSResource[] = []
+ const css: CSSResource[] = []
+
+ if (opts.enableCheckbox) {
+ js.push({
+ script: checkboxScript,
+ loadTime: "afterDOMReady",
+ contentType: "inline",
+ })
}
- return {
- js: opts.mermaid ? [mermaidScript] : []
+
+ if (opts.callouts) {
+ js.push({
+ script: calloutScript,
+ loadTime: "afterDOMReady",
+ contentType: "inline",
+ })
}
- }
+
+ if (opts.mermaid) {
+ js.push({
+ script: mermaidScript,
+ loadTime: "afterDOMReady",
+ contentType: "inline",
+ moduleType: "module",
+ })
+
+ css.push({
+ content: mermaidStyle,
+ inline: true,
+ })
+ }
+
+ return { js, css }
+ },
+ }
+}
+
+declare module "vfile" {
+ interface DataMap {
+ blocks: Record<string, Element>
+ htmlAst: HtmlRoot
+ hasMermaidDiagram: boolean | undefined
}
}
--
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