From 08f8e3b4a4879dd7c91c16fbce80c4f2bc5e357f Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Mon, 10 Jul 2023 02:32:24 +0000
Subject: [PATCH] docs + various polish

---
 quartz/plugins/transformers/links.ts |   40 +++++++++++++++++++++++++++-------------
 1 files changed, 27 insertions(+), 13 deletions(-)

diff --git a/quartz/plugins/transformers/links.ts b/quartz/plugins/transformers/links.ts
index 3083ce7..f45e23f 100644
--- a/quartz/plugins/transformers/links.ts
+++ b/quartz/plugins/transformers/links.ts
@@ -1,12 +1,12 @@
 import { QuartzTransformerPlugin } from "../types"
-import { relative, relativeToRoot, slugify, trimPathSuffix } 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"
 
 interface Options {
   /** How to resolve Markdown paths */
-  markdownLinkResolution: 'absolute' | 'relative'
+  markdownLinkResolution: 'absolute' | 'relative' | 'shortest'
   /** Strips folders from a link so that it looks nice */
   prettyLinks: boolean
   indexAnchorLinks: boolean
@@ -24,20 +24,35 @@
   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())
+            const targetSlug = clientSideSlug(slugify(decodeURI(target).trim()))
             if (opts.markdownLinkResolution === 'relative' && !path.isAbsolute(targetSlug)) {
               return './' + relative(curSlug, targetSlug)
-            } else {
-              return './' + relativeToRoot(curSlug, targetSlug)
+            } else if (opts.markdownLinkResolution === 'shortest') {
+              // https://forum.obsidian.md/t/settings-new-link-format-what-is-shortest-path-when-possible/6748/5
+              const allSlugs = file.data.allSlugs!
+
+              // if the file name is unique, then it's just the filename
+              const matchingFileNames = allSlugs.filter(slug => {
+                const parts = clientSideSlug(slug).split(path.posix.sep)
+                const fileName = parts.at(-1)
+                return targetSlug === fileName
+              })
+
+              if (matchingFileNames.length === 1) {
+                const targetSlug = clientSideSlug(matchingFileNames[0])
+                return './' + relativeToRoot(curSlug, targetSlug)
+              }
+
+              // if it's not unique, then it's the absolute path from the vault root
+              // (fall-through case)
             }
+            // treat as absolute
+            return './' + relativeToRoot(curSlug, targetSlug)
           }
 
           const outgoing: Set<string> = new Set()
@@ -51,12 +66,11 @@
               let dest = node.properties.href
               node.properties.className = isAbsoluteUrl(dest) ? "external" : "internal"
 
-
               // don't process external links or intra-document anchors
               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))
@@ -77,9 +91,9 @@
               }
             }
 
-            // 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'
             ) {

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