From b3480bdc49120010da8d2805df02cbf84ca08bdc Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Fri, 07 Jul 2023 02:18:18 +0000
Subject: [PATCH] fix styling for bullet points

---
 quartz/plugins/transformers/links.ts |   49 ++++++++++++++++++++++++++++++++++++-------------
 1 files changed, 36 insertions(+), 13 deletions(-)

diff --git a/quartz/plugins/transformers/links.ts b/quartz/plugins/transformers/links.ts
index 4bf0e08..03c8d43 100644
--- a/quartz/plugins/transformers/links.ts
+++ b/quartz/plugins/transformers/links.ts
@@ -1,5 +1,5 @@
 import { QuartzTransformerPlugin } from "../types"
-import { relative, relativeToRoot, slugify } from "../../path"
+import { clientSideSlug, relative, relativeToRoot, slugify, trimPathSuffix } from "../../path"
 import path from "path"
 import { visit } from 'unist-util-visit'
 import isAbsoluteUrl from "is-absolute-url"
@@ -9,24 +9,25 @@
   markdownLinkResolution: 'absolute' | 'relative'
   /** Strips folders from a link so that it looks nice */
   prettyLinks: boolean
+  indexAnchorLinks: boolean
+  indexExternalLinks: boolean
 }
 
 const defaultOptions: Options = {
   markdownLinkResolution: 'absolute',
-  prettyLinks: true
+  prettyLinks: true,
+  indexAnchorLinks: false,
+  indexExternalLinks: false,
 }
 
-export const ResolveLinks: QuartzTransformerPlugin<Partial<Options> | undefined> = (userOpts) => {
+export const CrawlLinks: QuartzTransformerPlugin<Partial<Options> | undefined> = (userOpts) => {
   const opts = { ...defaultOptions, ...userOpts }
   return {
     name: "LinkProcessing",
-    markdownPlugins() {
-      return []
-    },
     htmlPlugins() {
       return [() => {
         return (tree, file) => {
-          const curSlug = file.data.slug!
+          const curSlug = clientSideSlug(file.data.slug!)
           const transformLink = (target: string) => {
             const targetSlug = slugify(decodeURI(target).trim())
             if (opts.markdownLinkResolution === 'relative' && !path.isAbsolute(targetSlug)) {
@@ -36,6 +37,7 @@
             }
           }
 
+          const outgoing: Set<string> = new Set()
           visit(tree, 'element', (node, _index, _parent) => {
             // rewrite all links
             if (
@@ -43,13 +45,26 @@
               node.properties &&
               typeof node.properties.href === 'string'
             ) {
-              node.properties.className = isAbsoluteUrl(node.properties.href) ? "external" : "internal"
+              let dest = node.properties.href
+              node.properties.className = isAbsoluteUrl(dest) ? "external" : "internal"
 
               // don't process external links or intra-document anchors
-              if (!(isAbsoluteUrl(node.properties.href) || node.properties.href.startsWith("#"))) {
-                node.properties.href = transformLink(node.properties.href)
+              if (!(isAbsoluteUrl(dest) || dest.startsWith("#"))) {
+                node.properties.href = transformLink(dest)
+              }
+              
+              dest = node.properties.href
+              if (dest.startsWith(".")) {
+                const normalizedPath = path.normalize(path.join(curSlug, dest))
+                outgoing.add(trimPathSuffix(normalizedPath))
+              } else if (dest.startsWith("#")) {
+                if (opts.indexAnchorLinks) {
+                  outgoing.add(dest)
+                }
               } else {
-
+                if (opts.indexExternalLinks) {
+                  outgoing.add(dest)
+                }
               }
 
               // rewrite link internals if prettylinks is on
@@ -58,9 +73,9 @@
               }
             }
 
-            // transform all images
+            // transform all other resources that may use links
             if (
-              node.tagName === 'img' &&
+              ["img", "video", "audio", "iframe"].includes(node.tagName) &&
               node.properties &&
               typeof node.properties.src === 'string'
             ) {
@@ -70,8 +85,16 @@
               }
             }
           })
+
+          file.data.links = [...outgoing]
         }
       }]
     }
   }
 }
+
+declare module 'vfile' {
+  interface DataMap {
+    links: string[]
+  }
+}

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