From 5d666d1860be721c573ebd24cb82d210a8567bbf Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Sat, 11 Nov 2023 19:59:05 +0000
Subject: [PATCH] fix: normalize relative urls (closes #569)

---
 quartz/plugins/transformers/links.ts |   12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/quartz/plugins/transformers/links.ts b/quartz/plugins/transformers/links.ts
index 26c4a32..8d16136 100644
--- a/quartz/plugins/transformers/links.ts
+++ b/quartz/plugins/transformers/links.ts
@@ -5,7 +5,6 @@
   SimpleSlug,
   TransformOptions,
   _stripSlashes,
-  joinSegments,
   simplifySlug,
   splitAnchor,
   transformLink,
@@ -19,11 +18,13 @@
   markdownLinkResolution: TransformOptions["strategy"]
   /** Strips folders from a link so that it looks nice */
   prettyLinks: boolean
+  openLinksInNewTab: boolean
 }
 
 const defaultOptions: Options = {
   markdownLinkResolution: "absolute",
   prettyLinks: true,
+  openLinksInNewTab: false,
 }
 
 export const CrawlLinks: QuartzTransformerPlugin<Partial<Options> | undefined> = (userOpts) => {
@@ -53,8 +54,13 @@
                 node.properties.className ??= []
                 node.properties.className.push(isAbsoluteUrl(dest) ? "external" : "internal")
 
+                if (opts.openLinksInNewTab) {
+                  node.properties.target = "_blank"
+                }
+
                 // don't process external links or intra-document anchors
-                if (!(isAbsoluteUrl(dest) || dest.startsWith("#"))) {
+                const isInternal = !(isAbsoluteUrl(dest) || dest.startsWith("#"))
+                if (isInternal) {
                   dest = node.properties.href = transformLink(
                     file.data.slug!,
                     dest,
@@ -72,11 +78,13 @@
                     simplifySlug(destCanonical as FullSlug),
                   ) as SimpleSlug
                   outgoing.add(simple)
+                  node.properties["data-slug"] = simple
                 }
 
                 // rewrite link internals if prettylinks is on
                 if (
                   opts.prettyLinks &&
+                  isInternal &&
                   node.children.length === 1 &&
                   node.children[0].type === "text" &&
                   !node.children[0].value.startsWith("#")

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