obsidian flavored markdown support

content/notes/CJK + Latex Support (测试).md

@@ -13,9 +13,11 @@ title: "CJK + Latex Support (测试)"
 
 Block math works with two dollar signs `$$...$$`
 
-$$f(x) = \int_{-\infty}^\infty
+$$
+f(x) = \int_{-\infty}^\infty
     f\hat(\xi),e^{2 \pi i \xi x}
-    \,d\xi$$
+    \,d\xi
+$$
 	
 Inline math also works with single dollar signs `$...$`. For example, Euler's identity but inline: $e^{i\pi} = -1$
 

package.json

@@ -10,8 +10,7 @@
     "url": "https://github.com/jackyzha0/quartz.git"
   },
   "scripts": {
-    "typecheck": "tsc --noEmit",
-    "cycle-detect": "madge --circular --extensions ts quartz/index.ts"
+    "typecheck": "tsc --noEmit"
   },
   "keywords": [
     "site generator",
@@ -25,7 +24,6 @@
     "quartz": "./quartz/bootstrap.mjs"
   },
   "dependencies": {
-    "@flowershow/remark-wiki-link": "^1.2.0",
     "@inquirer/prompts": "^1.0.3",
     "@napi-rs/simple-git": "^0.1.8",
     "chalk": "^4.1.2",
@@ -35,10 +33,12 @@
     "hast-util-to-jsx-runtime": "^1.2.0",
     "hast-util-to-string": "^2.0.0",
     "is-absolute-url": "^4.0.1",
+    "mdast-util-find-and-replace": "^2.2.2",
     "preact": "^10.14.1",
     "preact-render-to-string": "^6.0.3",
     "pretty-time": "^1.1.0",
     "rehype-katex": "^6.0.3",
+    "rehype-raw": "^6.1.1",
     "remark": "^14.0.2",
     "remark-frontmatter": "^4.0.1",
     "remark-gfm": "^3.0.1",
@@ -64,7 +64,6 @@
     "@types/serve-handler": "^6.1.1",
     "@types/yargs": "^17.0.24",
     "esbuild": "^0.17.18",
-    "madge": "^6.0.0",
     "typescript": "^5.0.4"
   }
 }

quartz.config.ts

@@ -1,7 +1,8 @@
 import { buildQuartz } from "./quartz"
 import Head from "./quartz/components/Head"
 import { ContentPage, CreatedModifiedDate, Description, FrontMatter, GitHubFlavoredMarkdown, Katex, RemoveDrafts } from "./quartz/plugins"
-import { LinkProcessing } from "./quartz/plugins/transformers/links"
+import { ResolveLinks } from "./quartz/plugins/transformers/links"
+import { ObsidianFlavoredMarkdown } from "./quartz/plugins/transformers/ofm"
 
 export default buildQuartz({
   configuration: {
@@ -11,14 +12,15 @@ export default buildQuartz({
   },
   plugins: {
     transformers: [
-      new LinkProcessing(),
       new FrontMatter(),
-      new GitHubFlavoredMarkdown(),
       new Katex(),
       new Description(),
       new CreatedModifiedDate({
         priority: ['frontmatter', 'filesystem'] // you can add 'git' here for last modified from Git but this makes the build slower
       }),
+      new GitHubFlavoredMarkdown(),
+      new ObsidianFlavoredMarkdown(),
+      new ResolveLinks(),
     ],
     filters: [
       new RemoveDrafts()

quartz/plugins/transformers/links.ts

@@ -1,6 +1,5 @@
 import { PluggableList } from "unified"
 import { QuartzTransformerPlugin } from "../types"
-import { remarkWikiLink } from "@flowershow/remark-wiki-link"
 import { relative, relativeToRoot, slugify } from "../../path"
 import path from "path"
 import { visit } from 'unist-util-visit'
@@ -18,7 +17,7 @@ const defaultOptions: Options = {
   prettyLinks: true
 }
 
-export class LinkProcessing extends QuartzTransformerPlugin {
+export class ResolveLinks extends QuartzTransformerPlugin {
   name = "LinkProcessing"
   opts: Options
 
@@ -28,9 +27,7 @@ export class LinkProcessing extends QuartzTransformerPlugin {
   }
 
   markdownPlugins(): PluggableList {
-    return [[remarkWikiLink, {
-      pathFormat: this.opts.markdownLinkResolution === "absolute" ? 'obsidian-absolute' : 'raw',
-    }]]
+    return []
   }
 
   htmlPlugins(): PluggableList {

quartz/plugins/transformers/ofm.ts

@@ -0,0 +1,81 @@
+import { PluggableList } from "unified"
+import { QuartzTransformerPlugin } from "../types"
+import { Root } from 'mdast'
+import { findAndReplace } from "mdast-util-find-and-replace"
+import { slugify } from "../../path"
+import rehypeRaw from "rehype-raw"
+
+export interface Options {
+  highlight: boolean
+  wikilinks: boolean
+}
+
+const defaultOptions: Options = {
+  highlight: true,
+  wikilinks: true
+}
+
+export class ObsidianFlavoredMarkdown extends QuartzTransformerPlugin {
+  name = "ObsidianFlavoredMarkdown"
+  opts: Options
+
+  constructor(opts?: Options) {
+    super()
+    this.opts = { ...defaultOptions, ...opts }
+  }
+
+  markdownPlugins(): PluggableList {
+    const plugins: PluggableList = []
+
+    if (this.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 [path, rawHeader, rawAlias] = capture
+            const header = rawHeader?.slice(1).trim() ?? ""
+            const alias = rawAlias?.slice(1).trim() ?? value 
+            const url = slugify(path.trim() + header)
+            return {
+              type: 'link',
+              url,
+              children: [{
+                type: 'text',
+                value: alias
+              }]
+            }
+          })
+        }
+      }
+      )
+    }
+
+    if (this.opts.highlight) {
+      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>`
+            }
+          })
+        }
+      })
+    }
+
+    return plugins
+  }
+
+  htmlPlugins(): PluggableList {
+    return [rehypeRaw]
+  }
+}