From 3ac6b42e16dca5a44ed3fec2c0314f1dbbc2322b Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Sun, 16 Jul 2023 06:02:12 +0000
Subject: [PATCH] finish path refactoring, add sourcemap + better trace support

---
 quartz/plugins/transformers/gfm.ts |   41 ++++++++++++++++++++++++-----------------
 1 files changed, 24 insertions(+), 17 deletions(-)

diff --git a/quartz/plugins/transformers/gfm.ts b/quartz/plugins/transformers/gfm.ts
index ef3a944..f966e58 100644
--- a/quartz/plugins/transformers/gfm.ts
+++ b/quartz/plugins/transformers/gfm.ts
@@ -1,30 +1,37 @@
-import { PluggableList } from "unified"
 import remarkGfm from "remark-gfm"
 import smartypants from 'remark-smartypants'
 import { QuartzTransformerPlugin } from "../types"
+import rehypeSlug from "rehype-slug"
+import rehypeAutolinkHeadings from "rehype-autolink-headings"
 
 export interface Options {
   enableSmartyPants: boolean
+  linkHeadings: boolean
 }
 
 const defaultOptions: Options = {
-  enableSmartyPants: true
+  enableSmartyPants: true,
+  linkHeadings: true
 }
 
-export class GitHubFlavoredMarkdown extends QuartzTransformerPlugin {
-  name = "GitHubFlavoredMarkdown"
-  opts: Options
-
-  constructor(opts?: Options) {
-    super()
-    this.opts = { ...defaultOptions, ...opts }
-  }
-
-  markdownPlugins(): PluggableList {
-    return this.opts.enableSmartyPants ? [remarkGfm] : [remarkGfm, smartypants]
-  }
-
-  htmlPlugins(): PluggableList {
-    return []
+export const GitHubFlavoredMarkdown: QuartzTransformerPlugin<Partial<Options> | undefined> = (userOpts) => {
+  const opts = { ...defaultOptions, ...userOpts }
+  return {
+    name: "GitHubFlavoredMarkdown",
+    markdownPlugins() {
+      return opts.enableSmartyPants ? [remarkGfm, smartypants] : [remarkGfm]
+    },
+    htmlPlugins() {
+      if (opts.linkHeadings) {
+        return [rehypeSlug, [rehypeAutolinkHeadings, {
+          behavior: 'append', content: {
+            type: 'text',
+            value: ' ยง',
+          }
+        }]]
+      } else {
+        return []
+      }
+    }
   }
 }

--
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