From ef72f1bf707dca363cdab84da91e2acfaef8f276 Mon Sep 17 00:00:00 2001
From: Ammar Alakkad <am.alakkad@gmail.com>
Date: Mon, 30 Dec 2024 16:03:57 +0000
Subject: [PATCH] Fix ObsidianFlavoredMarkdown source link (#1694)

---
 quartz/components/pages/FolderContent.tsx |   81 +++++++++++++++++++++++++++++++---------
 1 files changed, 62 insertions(+), 19 deletions(-)

diff --git a/quartz/components/pages/FolderContent.tsx b/quartz/components/pages/FolderContent.tsx
index 67cfa8d..593073b 100644
--- a/quartz/components/pages/FolderContent.tsx
+++ b/quartz/components/pages/FolderContent.tsx
@@ -1,41 +1,80 @@
-import { QuartzComponentConstructor, QuartzComponentProps } from "../types"
+import { QuartzComponent, QuartzComponentConstructor, QuartzComponentProps } from "../types"
 import path from "path"
 
 import style from "../styles/listPage.scss"
-import { PageList } from "../PageList"
-import { _stripSlashes, simplifySlug } from "../../util/path"
+import { byDateAndAlphabetical, PageList, SortFn } from "../PageList"
+import { stripSlashes, simplifySlug, joinSegments, FullSlug } from "../../util/path"
 import { Root } from "hast"
-import { pluralize } from "../../util/lang"
 import { htmlToJsx } from "../../util/jsx"
+import { i18n } from "../../i18n"
+import { QuartzPluginData } from "../../plugins/vfile"
 
 interface FolderContentOptions {
   /**
    * Whether to display number of folders
    */
   showFolderCount: boolean
+  showSubfolders: boolean
+  sort?: SortFn
 }
 
 const defaultOptions: FolderContentOptions = {
   showFolderCount: true,
+  showSubfolders: true,
 }
 
 export default ((opts?: Partial<FolderContentOptions>) => {
   const options: FolderContentOptions = { ...defaultOptions, ...opts }
 
-  function FolderContent(props: QuartzComponentProps) {
-    const { tree, fileData, allFiles } = props
-    const folderSlug = _stripSlashes(simplifySlug(fileData.slug!))
-    const allPagesInFolder = allFiles.filter((file) => {
-      const fileSlug = _stripSlashes(simplifySlug(file.slug!))
+  const FolderContent: QuartzComponent = (props: QuartzComponentProps) => {
+    const { tree, fileData, allFiles, cfg } = props
+    const folderSlug = stripSlashes(simplifySlug(fileData.slug!))
+    const folderParts = folderSlug.split(path.posix.sep)
+
+    const allPagesInFolder: QuartzPluginData[] = []
+    const allPagesInSubfolders: Map<FullSlug, QuartzPluginData[]> = new Map()
+
+    allFiles.forEach((file) => {
+      const fileSlug = stripSlashes(simplifySlug(file.slug!))
       const prefixed = fileSlug.startsWith(folderSlug) && fileSlug !== folderSlug
-      const folderParts = folderSlug.split(path.posix.sep)
       const fileParts = fileSlug.split(path.posix.sep)
       const isDirectChild = fileParts.length === folderParts.length + 1
-      return prefixed && isDirectChild
+
+      if (!prefixed) {
+        return
+      }
+
+      if (isDirectChild) {
+        allPagesInFolder.push(file)
+      } else if (options.showSubfolders) {
+        const subfolderSlug = joinSegments(
+          ...fileParts.slice(0, folderParts.length + 1),
+        ) as FullSlug
+        const pagesInFolder = allPagesInSubfolders.get(subfolderSlug) || []
+        allPagesInSubfolders.set(subfolderSlug, [...pagesInFolder, file])
+      }
     })
 
+    allPagesInSubfolders.forEach((files, subfolderSlug) => {
+      const hasIndex = allPagesInFolder.some(
+        (file) => subfolderSlug === stripSlashes(simplifySlug(file.slug!)),
+      )
+      if (!hasIndex) {
+        const subfolderDates = files.sort(byDateAndAlphabetical(cfg))[0].dates
+        const subfolderTitle = subfolderSlug.split(path.posix.sep).at(-1)!
+        allPagesInFolder.push({
+          slug: subfolderSlug,
+          dates: subfolderDates,
+          frontmatter: { title: subfolderTitle, tags: ["folder"] },
+        })
+      }
+    })
+
+    const cssClasses: string[] = fileData.frontmatter?.cssclasses ?? []
+    const classes = cssClasses.join(" ")
     const listProps = {
       ...props,
+      sort: options.sort,
       allFiles: allPagesInFolder,
     }
 
@@ -46,14 +85,18 @@
 
     return (
       <div class="popover-hint">
-        <article>
-          <p>{content}</p>
-        </article>
-        {options.showFolderCount && (
-          <p>{pluralize(allPagesInFolder.length, "item")} under this folder.</p>
-        )}
-        <div>
-          <PageList {...listProps} />
+        <article class={classes}>{content}</article>
+        <div class="page-listing">
+          {options.showFolderCount && (
+            <p>
+              {i18n(cfg.locale).pages.folderContent.itemsUnderFolder({
+                count: allPagesInFolder.length,
+              })}
+            </p>
+          )}
+          <div>
+            <PageList {...listProps} />
+          </div>
         </div>
       </div>
     )

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