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/frontmatter.ts |   54 ++++++++++++++++++++++++++++++++++--------------------
 1 files changed, 34 insertions(+), 20 deletions(-)

diff --git a/quartz/plugins/transformers/frontmatter.ts b/quartz/plugins/transformers/frontmatter.ts
index 9679bd1..db1cf42 100644
--- a/quartz/plugins/transformers/frontmatter.ts
+++ b/quartz/plugins/transformers/frontmatter.ts
@@ -3,12 +3,9 @@
 import { QuartzTransformerPlugin } from "../types"
 import yaml from "js-yaml"
 import toml from "toml"
-import { FilePath, FullSlug, joinSegments, slugifyFilePath, slugTag } from "../../util/path"
+import { FilePath, FullSlug, getFileExtension, slugifyFilePath, slugTag } from "../../util/path"
 import { QuartzPluginData } from "../vfile"
 import { i18n } from "../../i18n"
-import { Argv } from "../../util/ctx"
-import { VFile } from "vfile"
-import path from "path"
 
 export interface Options {
   delimiters: string | [string, string]
@@ -43,26 +40,24 @@
     .map((tag: string | number) => tag.toString())
 }
 
-export function getAliasSlugs(aliases: string[], argv: Argv, file: VFile): FullSlug[] {
-  const dir = path.posix.relative(argv.directory, path.dirname(file.data.filePath!))
-  const slugs: FullSlug[] = aliases.map(
-    (alias) => path.posix.join(dir, slugifyFilePath(alias as FilePath)) as FullSlug,
-  )
-  const permalink = file.data.frontmatter?.permalink
-  if (typeof permalink === "string") {
-    slugs.push(permalink as FullSlug)
+function getAliasSlugs(aliases: string[]): FullSlug[] {
+  const res: FullSlug[] = []
+  for (const alias of aliases) {
+    const isMd = getFileExtension(alias) === "md"
+    const mockFp = isMd ? alias : alias + ".md"
+    const slug = slugifyFilePath(mockFp as FilePath)
+    res.push(slug)
   }
-  // fix any slugs that have trailing slash
-  return slugs.map((slug) =>
-    slug.endsWith("/") ? (joinSegments(slug, "index") as FullSlug) : slug,
-  )
+
+  return res
 }
 
 export const FrontMatter: QuartzTransformerPlugin<Partial<Options>> = (userOpts) => {
   const opts = { ...defaultOptions, ...userOpts }
   return {
     name: "FrontMatter",
-    markdownPlugins({ cfg, allSlugs, argv }) {
+    markdownPlugins(ctx) {
+      const { cfg, allSlugs } = ctx
       return [
         [remarkFrontmatter, ["yaml", "toml"]],
         () => {
@@ -88,16 +83,28 @@
             const aliases = coerceToArray(coalesceAliases(data, ["aliases", "alias"]))
             if (aliases) {
               data.aliases = aliases // frontmatter
-              const slugs = (file.data.aliases = getAliasSlugs(aliases, argv, file))
-              allSlugs.push(...slugs)
+              file.data.aliases = getAliasSlugs(aliases)
+              allSlugs.push(...file.data.aliases)
             }
+
+            if (data.permalink != null && data.permalink.toString() !== "") {
+              data.permalink = data.permalink.toString() as FullSlug
+              const aliases = file.data.aliases ?? []
+              aliases.push(data.permalink)
+              file.data.aliases = aliases
+              allSlugs.push(data.permalink)
+            }
+
             const cssclasses = coerceToArray(coalesceAliases(data, ["cssclasses", "cssclass"]))
             if (cssclasses) data.cssclasses = cssclasses
 
             const socialImage = coalesceAliases(data, ["socialImage", "image", "cover"])
 
             const created = coalesceAliases(data, ["created", "date"])
-            if (created) data.created = created
+            if (created) {
+              data.created = created
+            }
+
             const modified = coalesceAliases(data, [
               "modified",
               "lastmod",
@@ -105,11 +112,17 @@
               "last-modified",
             ])
             if (modified) data.modified = modified
+            data.modified ||= created // if modified is not set, use created
+
             const published = coalesceAliases(data, ["published", "publishDate", "date"])
             if (published) data.published = published
 
             if (socialImage) data.socialImage = socialImage
 
+            // Remove duplicate slugs
+            const uniqueSlugs = [...new Set(allSlugs)]
+            allSlugs.splice(0, allSlugs.length, ...uniqueSlugs)
+
             // fill in frontmatter
             file.data.frontmatter = data as QuartzPluginData["frontmatter"]
           }
@@ -131,6 +144,7 @@
         created: string
         published: string
         description: string
+        socialDescription: string
         publish: boolean | string
         draft: boolean | string
         lang: string

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