From ae2e3b463a91d94caa8bdf62e5c3a3d726b8b4e4 Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Sun, 23 Jul 2023 18:49:26 +0000
Subject: [PATCH] improve error handling while serving

---
 quartz/plugins/emitters/folderPage.tsx |   50 ++++++++++++++++++++++++++++----------------------
 1 files changed, 28 insertions(+), 22 deletions(-)

diff --git a/quartz/plugins/emitters/folderPage.tsx b/quartz/plugins/emitters/folderPage.tsx
index 0f06adc..f58ac39 100644
--- a/quartz/plugins/emitters/folderPage.tsx
+++ b/quartz/plugins/emitters/folderPage.tsx
@@ -6,7 +6,7 @@
 import { ProcessedContent, defaultProcessedContent } from "../vfile"
 import { FullPageLayout } from "../../cfg"
 import path from "path"
-import { FilePath, toServerSlug } from "../../path"
+import { CanonicalSlug, FilePath, ServerSlug, canonicalizeServer, joinSegments } from "../../path"
 
 export const FolderPage: QuartzEmitterPlugin<FullPageLayout> = (opts) => {
   if (!opts) {
@@ -23,28 +23,39 @@
       return [Head, Header, Body, ...header, ...beforeBody, Content, ...left, ...right, Footer]
     },
     async emit(_contentDir, cfg, content, resources, emit): Promise<FilePath[]> {
-      const fps: string[] = []
-      const allFiles = content.map(c => c[1].data)
+      const fps: FilePath[] = []
+      const allFiles = content.map((c) => c[1].data)
 
-      const folders: Set<string> = new Set(allFiles.flatMap(data => data.slug ? [path.dirname(data.slug)] : []))
+      const folders: Set<CanonicalSlug> = new Set(
+        allFiles.flatMap((data) => {
+          const slug = data.slug
+          const folderName = path.dirname(slug ?? "") as CanonicalSlug
+          if (slug && folderName !== "." && folderName !== "tags") {
+            return [folderName]
+          }
+          return []
+        }),
+      )
 
-      // remove special prefixes
-      folders.delete(".")
-      folders.delete("tags")
-
-      const folderDescriptions: Record<string, ProcessedContent> = Object.fromEntries([...folders].map(folder => ([
-        folder, defaultProcessedContent({ slug: folder, frontmatter: { title: `Folder: ${folder}`, tags: [] } })
-      ])))
+      const folderDescriptions: Record<string, ProcessedContent> = Object.fromEntries(
+        [...folders].map((folder) => [
+          folder,
+          defaultProcessedContent({
+            slug: joinSegments(folder, "index") as ServerSlug,
+            frontmatter: { title: `Folder: ${folder}`, tags: [] },
+          }),
+        ]),
+      )
 
       for (const [tree, file] of content) {
-        const slug = toServerSlug(file.data.slug!)
+        const slug = canonicalizeServer(file.data.slug!)
         if (folders.has(slug)) {
           folderDescriptions[slug] = [tree, file]
         }
       }
 
       for (const folder of folders) {
-        const slug = folder 
+        const slug = folder
         const externalResources = pageResources(slug, resources)
         const [tree, file] = folderDescriptions[folder]
         const componentData: QuartzComponentProps = {
@@ -53,17 +64,12 @@
           cfg,
           children: [],
           tree,
-          allFiles
+          allFiles,
         }
 
-        const content = renderPage(
-          slug,
-          componentData,
-          opts,
-          externalResources
-        )
+        const content = renderPage(slug, componentData, opts, externalResources)
 
-        const fp = file.data.slug + ".html"
+        const fp = (file.data.slug! + ".html") as FilePath
         await emit({
           content,
           slug: file.data.slug!,
@@ -73,6 +79,6 @@
         fps.push(fp)
       }
       return fps
-    }
+    },
   }
 }

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