From c538c151c7462ad0395ff2c15c5e11e89e362aa8 Mon Sep 17 00:00:00 2001
From: Striven <sg.striven@cutecat.club>
Date: Sat, 04 Apr 2026 19:47:16 +0000
Subject: [PATCH] Initial commit
---
quartz/plugins/transformers/links.ts | 44 ++++++++++++++++++++++++++++++++++++--------
1 files changed, 36 insertions(+), 8 deletions(-)
diff --git a/quartz/plugins/transformers/links.ts b/quartz/plugins/transformers/links.ts
index 50d2d1a..f4451d9 100644
--- a/quartz/plugins/transformers/links.ts
+++ b/quartz/plugins/transformers/links.ts
@@ -4,7 +4,7 @@
RelativeURL,
SimpleSlug,
TransformOptions,
- _stripSlashes,
+ stripSlashes,
simplifySlug,
splitAnchor,
transformLink,
@@ -21,6 +21,7 @@
prettyLinks: boolean
openLinksInNewTab: boolean
lazyLoad: boolean
+ externalLinkIcon: boolean
}
const defaultOptions: Options = {
@@ -28,9 +29,10 @@
prettyLinks: true,
openLinksInNewTab: false,
lazyLoad: false,
+ externalLinkIcon: true,
}
-export const CrawlLinks: QuartzTransformerPlugin<Partial<Options> | undefined> = (userOpts) => {
+export const CrawlLinks: QuartzTransformerPlugin<Partial<Options>> = (userOpts) => {
const opts = { ...defaultOptions, ...userOpts }
return {
name: "LinkProcessing",
@@ -55,7 +57,31 @@
) {
let dest = node.properties.href as RelativeURL
const classes = (node.properties.className ?? []) as string[]
- classes.push(isAbsoluteUrl(dest) ? "external" : "internal")
+ const isExternal = isAbsoluteUrl(dest, { httpOnly: false })
+ classes.push(isExternal ? "external" : "internal")
+
+ if (isExternal && opts.externalLinkIcon) {
+ node.children.push({
+ type: "element",
+ tagName: "svg",
+ properties: {
+ "aria-hidden": "true",
+ class: "external-icon",
+ style: "max-width:0.8em;max-height:0.8em",
+ viewBox: "0 0 512 512",
+ },
+ children: [
+ {
+ type: "element",
+ tagName: "path",
+ properties: {
+ d: "M320 0H288V64h32 82.7L201.4 265.4 178.7 288 224 333.3l22.6-22.6L448 109.3V192v32h64V192 32 0H480 320zM32 32H0V64 480v32H32 456h32V480 352 320H424v32 96H64V96h96 32V32H160 32z",
+ },
+ children: [],
+ },
+ ],
+ })
+ }
// Check if the link has alias text
if (
@@ -68,12 +94,14 @@
}
node.properties.className = classes
- if (opts.openLinksInNewTab) {
+ if (isExternal && opts.openLinksInNewTab) {
node.properties.target = "_blank"
}
// don't process external links or intra-document anchors
- const isInternal = !(isAbsoluteUrl(dest) || dest.startsWith("#"))
+ const isInternal = !(
+ isAbsoluteUrl(dest, { httpOnly: false }) || dest.startsWith("#")
+ )
if (isInternal) {
dest = node.properties.href = transformLink(
file.data.slug!,
@@ -83,7 +111,7 @@
// url.resolve is considered legacy
// WHATWG equivalent https://nodejs.dev/en/api/v18/url/#urlresolvefrom-to
- const url = new URL(dest, `https://base.com/${curSlug}`)
+ const url = new URL(dest, "https://base.com/" + stripSlashes(curSlug, true))
const canonicalDest = url.pathname
let [destCanonical, _destAnchor] = splitAnchor(canonicalDest)
if (destCanonical.endsWith("/")) {
@@ -91,7 +119,7 @@
}
// need to decodeURIComponent here as WHATWG URL percent-encodes everything
- const full = decodeURIComponent(_stripSlashes(destCanonical, true)) as FullSlug
+ const full = decodeURIComponent(stripSlashes(destCanonical, true)) as FullSlug
const simple = simplifySlug(full)
outgoing.add(simple)
node.properties["data-slug"] = full
@@ -119,7 +147,7 @@
node.properties.loading = "lazy"
}
- if (!isAbsoluteUrl(node.properties.src)) {
+ if (!isAbsoluteUrl(node.properties.src, { httpOnly: false })) {
let dest = node.properties.src as RelativeURL
dest = node.properties.src = transformLink(
file.data.slug!,
--
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