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 | 207 +++++++++++++++++++++++++++++++++++----------------
1 files changed, 141 insertions(+), 66 deletions(-)
diff --git a/quartz/plugins/transformers/ofm.ts b/quartz/plugins/transformers/ofm.ts
index 0dea893..7a523aa 100644
--- a/quartz/plugins/transformers/ofm.ts
+++ b/quartz/plugins/transformers/ofm.ts
@@ -1,20 +1,30 @@
import { QuartzTransformerPlugin } from "../types"
-import { Root, Html, BlockContent, DefinitionContent, Paragraph, Code } from "mdast"
+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 { SKIP, visit } from "unist-util-visit"
import path from "path"
import { splitAnchor } from "../../util/path"
-import { JSResource } from "../../util/resources"
+import { JSResource, CSSResource } from "../../util/resources"
// @ts-ignore
-import calloutScript from "../../components/scripts/callout.inline.ts"
+import calloutScript from "../../components/scripts/callout.inline"
// @ts-ignore
-import checkboxScript from "../../components/scripts/checkbox.inline.ts"
+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 { PhrasingContent } from "mdast-util-find-and-replace/lib"
import { capitalize } from "../../util/lang"
import { PluggableList } from "unified"
@@ -31,6 +41,7 @@
enableYouTubeEmbed: boolean
enableVideoEmbed: boolean
enableCheckbox: boolean
+ disableBrokenWikilinks: boolean
}
const defaultOptions: Options = {
@@ -46,6 +57,7 @@
enableYouTubeEmbed: true,
enableVideoEmbed: true,
enableCheckbox: false,
+ disableBrokenWikilinks: false,
}
const calloutMapping = {
@@ -103,9 +115,9 @@
// \[\[ -> open brace
// ([^\[\]\|\#]+) -> one or more non-special characters ([,],|, or #) (name)
// (#[^\[\]\|\#]+)? -> # then one or more non-special characters (heading link)
-// (\\?\|[^\[\]\#]+)? -> optional escape \ then | then one or more non-special characters (alias)
+// (\\?\|[^\[\]\#]+)? -> optional escape \ then | then zero or more non-special characters (alias)
export const wikilinkRegex = new RegExp(
- /!?\[\[([^\[\]\|\#\\]+)?(#+[^\[\]\|\#\\]+)?(\\?\|[^\[\]\#]+)?\]\]/g,
+ /!?\[\[([^\[\]\|\#\\]+)?(#+[^\[\]\|\#\\]+)?(\\?\|[^\[\]\#]*)?\]\]/g,
)
// ^\|([^\n])+\|\n(\|) -> matches the header row
@@ -114,19 +126,19 @@
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)
+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 calloutRegex = new RegExp(/^\[\!([\w-]+)\|?(.+?)?\]([+-]?)/)
const calloutLineRegex = new RegExp(/^> *\[\!\w+\|?.*?\][+-]?.*$/gm)
-// (?:^| ) -> non-capturing group, tag should start be separated by a space or be the start of the line
+// (?<=^| ) -> a lookbehind assertion, tag should start be separated by a space or be the start of the line
// #(...) -> capturing group, tag itself must start with #
// (?:[-_\p{L}\d\p{Z}])+ -> non-capturing group, non-empty string of (Unicode-aware) alpha-numeric characters and symbols, hyphens and/or underscores
// (?:\/[-_\p{L}\d\p{Z}]+)*) -> non-capturing group, matches an arbitrary number of tag strings separated by "/"
const tagRegex = new RegExp(
- /(?:^| )#((?:[-_\p{L}\p{Emoji}\p{M}\d])+(?:\/[-_\p{L}\p{Emoji}\p{M}\d]+)*)/gu,
+ /(?<=^| )#((?:[-_\p{L}\p{Emoji}\p{M}\d])+(?:\/[-_\p{L}\p{Emoji}\p{M}\d]+)*)/gu,
)
const blockReferenceRegex = new RegExp(/\^([-_A-Za-z0-9]+)$/g)
const ytLinkRegex = /^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=)([^#\&\?]*).*/
@@ -149,19 +161,11 @@
textTransform(_ctx, src) {
// do comments at text level
if (opts.comments) {
- if (src instanceof Buffer) {
- src = src.toString()
- }
-
src = src.replace(commentRegex, "")
}
// pre-transform blockquotes
if (opts.callouts) {
- if (src instanceof Buffer) {
- src = src.toString()
- }
-
src = src.replace(calloutLineRegex, (value) => {
// force newline after title of callout
return value + "\n> "
@@ -170,10 +174,6 @@
// pre-transform wikilinks (fix anchors to things that may contain illegal syntax e.g. codeblocks, latex)
if (opts.wikilinks) {
- if (src instanceof Buffer) {
- src = src.toString()
- }
-
// replace all wikilinks inside a table first
src = src.replace(tableRegex, (value) => {
// escape all aliases and headers in wikilinks inside a table
@@ -193,7 +193,7 @@
const [rawFp, rawHeader, rawAlias]: (string | undefined)[] = capture
const [fp, anchor] = splitAnchor(`${rawFp ?? ""}${rawHeader ?? ""}`)
- const blockRef = Boolean(rawHeader?.match(/^#?\^/)) ? "^" : ""
+ const blockRef = Boolean(rawHeader?.startsWith("#^")) ? "^" : ""
const displayAnchor = anchor ? `#${blockRef}${anchor.trim().replace(/^#+/, "")}` : ""
const displayAlias = rawAlias ?? rawHeader?.replace("#", "|") ?? ""
const embedDisplay = value.startsWith("!") ? "!" : ""
@@ -208,7 +208,7 @@
return src
},
- markdownPlugins(_ctx) {
+ markdownPlugins(ctx) {
const plugins: PluggableList = []
// regex replacements
@@ -224,7 +224,7 @@
let [rawFp, rawHeader, rawAlias] = capture
const fp = rawFp?.trim() ?? ""
const anchor = rawHeader?.trim() ?? ""
- const alias = rawAlias?.slice(1).trim()
+ const alias: string | undefined = rawAlias?.slice(1).trim()
// embed cases
if (value.startsWith("!")) {
@@ -277,8 +277,21 @@
// 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\">${alias ?? fp}</a>`,
+ }
+ }
+ }
+
// internal link
const url = fp + anchor
+
return {
type: "link",
url,
@@ -324,8 +337,8 @@
replacements.push([
tagRegex,
(_value: string, tag: string) => {
- // Check if the tag only includes numbers
- if (/^\d+$/.test(tag)) {
+ // Check if the tag only includes numbers and slashes
+ if (/^[\/\d]+$/.test(tag)) {
return false
}
@@ -430,7 +443,9 @@
children: [
{
type: "text",
- value: useDefaultTitle ? capitalize(typeString) : titleContent + " ",
+ value: useDefaultTitle
+ ? capitalize(typeString).replace(/-/g, " ")
+ : titleContent + " ",
},
...restOfTitle,
],
@@ -463,6 +478,21 @@
})
}
+ // 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)
@@ -484,21 +514,6 @@
"data-callout-metadata": calloutMetaData,
},
}
-
- // Add callout-content class to callout body if it has one.
- if (calloutContent.length > 0) {
- const contentData: BlockContent | DefinitionContent = {
- data: {
- hProperties: {
- className: "callout-content",
- },
- hName: "div",
- },
- type: "blockquote",
- children: [...calloutContent],
- }
- node.children = [node.children[0], contentData]
- }
}
})
}
@@ -507,12 +522,14 @@
if (opts.mermaid) {
plugins.push(() => {
- return (tree: Root, _file) => {
+ return (tree: Root, file) => {
visit(tree, "code", (node: Code) => {
if (node.lang === "mermaid") {
+ file.data.hasMermaidDiagram = true
node.data = {
hProperties: {
className: ["mermaid"],
+ "data-clipboard": JSON.stringify(node.value),
},
}
}
@@ -657,10 +674,80 @@
})
}
+ 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 js: JSResource[] = []
+ const css: CSSResource[] = []
if (opts.enableCheckbox) {
js.push({
@@ -680,32 +767,19 @@
if (opts.mermaid) {
js.push({
- script: `
- let mermaidImport = undefined
- document.addEventListener('nav', async () => {
- if (document.querySelector("code.mermaid")) {
- mermaidImport ||= await import('https://cdnjs.cloudflare.com/ajax/libs/mermaid/10.7.0/mermaid.esm.min.mjs')
- const mermaid = mermaidImport.default
- const darkMode = document.documentElement.getAttribute('saved-theme') === 'dark'
- mermaid.initialize({
- startOnLoad: false,
- securityLevel: 'loose',
- theme: darkMode ? 'dark' : 'default'
- })
-
- await mermaid.run({
- querySelector: '.mermaid'
- })
- }
- });
- `,
+ script: mermaidScript,
loadTime: "afterDOMReady",
- moduleType: "module",
contentType: "inline",
+ moduleType: "module",
+ })
+
+ css.push({
+ content: mermaidStyle,
+ inline: true,
})
}
- return { js }
+ return { js, css }
},
}
}
@@ -714,5 +788,6 @@
interface DataMap {
blocks: Record<string, Element>
htmlAst: HtmlRoot
+ hasMermaidDiagram: boolean | undefined
}
}
--
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