From b33f13ccaf4ec14a94ee0ee467dda04cf4981d00 Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Mon, 01 Jan 2024 22:20:34 +0000
Subject: [PATCH] fix: dont show last page if folder

---
 quartz/components/pages/TagContent.tsx |   87 ++++++++++++++++++++++++++++++++++++-------
 1 files changed, 73 insertions(+), 14 deletions(-)

diff --git a/quartz/components/pages/TagContent.tsx b/quartz/components/pages/TagContent.tsx
index 6a3d827..890755b 100644
--- a/quartz/components/pages/TagContent.tsx
+++ b/quartz/components/pages/TagContent.tsx
@@ -1,35 +1,94 @@
 import { QuartzComponentConstructor, QuartzComponentProps } from "../types"
-import { Fragment, jsx, jsxs } from "preact/jsx-runtime"
-import { toJsxRuntime } from "hast-util-to-jsx-runtime"
 import style from "../styles/listPage.scss"
 import { PageList } from "../PageList"
-import { ServerSlug, canonicalizeServer } from "../../path"
+import { FullSlug, getAllSegmentPrefixes, simplifySlug } from "../../util/path"
+import { QuartzPluginData } from "../../plugins/vfile"
+import { Root } from "hast"
+import { pluralize } from "../../util/lang"
+import { htmlToJsx } from "../../util/jsx"
 
+const numPages = 10
 function TagContent(props: QuartzComponentProps) {
   const { tree, fileData, allFiles } = props
   const slug = fileData.slug
 
-  if (slug?.startsWith("tags/")) {
-    const tag = canonicalizeServer(slug.slice("tags/".length) as ServerSlug)
-    const allPagesWithTag = allFiles.filter((file) => (file.frontmatter?.tags ?? []).includes(tag))
-    const listProps = {
-      ...props,
-      allFiles: allPagesWithTag,
+  if (!(slug?.startsWith("tags/") || slug === "tags")) {
+    throw new Error(`Component "TagContent" tried to render a non-tag page: ${slug}`)
+  }
+
+  const tag = simplifySlug(slug.slice("tags/".length) as FullSlug)
+  const allPagesWithTag = (tag: string) =>
+    allFiles.filter((file) =>
+      (file.frontmatter?.tags ?? []).flatMap(getAllSegmentPrefixes).includes(tag),
+    )
+
+  const content =
+    (tree as Root).children.length === 0
+      ? fileData.description
+      : htmlToJsx(fileData.filePath!, tree)
+
+  if (tag === "/") {
+    const tags = [
+      ...new Set(
+        allFiles.flatMap((data) => data.frontmatter?.tags ?? []).flatMap(getAllSegmentPrefixes),
+      ),
+    ].sort((a, b) => a.localeCompare(b))
+    const tagItemMap: Map<string, QuartzPluginData[]> = new Map()
+    for (const tag of tags) {
+      tagItemMap.set(tag, allPagesWithTag(tag))
     }
 
-    // @ts-ignore
-    const content = toJsxRuntime(tree, { Fragment, jsx, jsxs, elementAttributeNameCase: "html" })
+    return (
+      <div class="popover-hint">
+        <article>
+          <p>{content}</p>
+        </article>
+        <p>Found {tags.length} total tags.</p>
+        <div>
+          {tags.map((tag) => {
+            const pages = tagItemMap.get(tag)!
+            const listProps = {
+              ...props,
+              allFiles: pages,
+            }
+
+            const contentPage = allFiles.filter((file) => file.slug === `tags/${tag}`)[0]
+            const content = contentPage?.description
+            return (
+              <div>
+                <h2>
+                  <a class="internal tag-link" href={`../tags/${tag}`}>
+                    #{tag}
+                  </a>
+                </h2>
+                {content && <p>{content}</p>}
+                <p>
+                  {pluralize(pages.length, "item")} with this tag.{" "}
+                  {pages.length > numPages && `Showing first ${numPages}.`}
+                </p>
+                <PageList limit={numPages} {...listProps} />
+              </div>
+            )
+          })}
+        </div>
+      </div>
+    )
+  } else {
+    const pages = allPagesWithTag(tag)
+    const listProps = {
+      ...props,
+      allFiles: pages,
+    }
+
     return (
       <div class="popover-hint">
         <article>{content}</article>
-        <p>{allPagesWithTag.length} items with this tag.</p>
+        <p>{pluralize(pages.length, "item")} with this tag.</p>
         <div>
           <PageList {...listProps} />
         </div>
       </div>
     )
-  } else {
-    throw new Error(`Component "TagContent" tried to render a non-tag page: ${slug}`)
   }
 }
 

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