From a67a8d7aa9da06d8f87d0f48bac630728a4ea394 Mon Sep 17 00:00:00 2001
From: kabirgh <15871468+kabirgh@users.noreply.github.com>
Date: Mon, 19 Feb 2024 18:58:15 +0000
Subject: [PATCH] feat: implement getDependencyGraph for TagPage (#872)

---
 quartz/plugins/emitters/folderPage.tsx |   57 ++++++++++++++++++++++++++++++++++++++++++++-------------
 1 files changed, 44 insertions(+), 13 deletions(-)

diff --git a/quartz/plugins/emitters/folderPage.tsx b/quartz/plugins/emitters/folderPage.tsx
index f5bc7a6..bf69d29 100644
--- a/quartz/plugins/emitters/folderPage.tsx
+++ b/quartz/plugins/emitters/folderPage.tsx
@@ -6,11 +6,22 @@
 import { ProcessedContent, defaultProcessedContent } from "../vfile"
 import { FullPageLayout } from "../../cfg"
 import path from "path"
-import { CanonicalSlug, FilePath, ServerSlug, canonicalizeServer, joinSegments } from "../../path"
+import {
+  FilePath,
+  FullSlug,
+  SimpleSlug,
+  stripSlashes,
+  joinSegments,
+  pathToRoot,
+  simplifySlug,
+} from "../../util/path"
 import { defaultListPageLayout, sharedPageComponents } from "../../../quartz.layout"
 import { FolderContent } from "../../components"
+import { write } from "./helpers"
+import { i18n } from "../../i18n"
+import DepGraph from "../../depgraph"
 
-export const FolderPage: QuartzEmitterPlugin<FullPageLayout> = (userOpts) => {
+export const FolderPage: QuartzEmitterPlugin<Partial<FullPageLayout>> = (userOpts) => {
   const opts: FullPageLayout = {
     ...sharedPageComponents,
     ...defaultListPageLayout,
@@ -27,15 +38,31 @@
     getQuartzComponents() {
       return [Head, Header, Body, ...header, ...beforeBody, pageBody, ...left, ...right, Footer]
     },
-    async emit(ctx, content, resources, emit): Promise<FilePath[]> {
+    async getDependencyGraph(_ctx, content, _resources) {
+      // Example graph:
+      // nested/file.md --> nested/index.html
+      // nested/file2.md ------^
+      const graph = new DepGraph<FilePath>()
+
+      content.map(([_tree, vfile]) => {
+        const slug = vfile.data.slug
+        const folderName = path.dirname(slug ?? "") as SimpleSlug
+        if (slug && folderName !== "." && folderName !== "tags") {
+          graph.addEdge(vfile.data.filePath!, joinSegments(folderName, "index.html") as FilePath)
+        }
+      })
+
+      return graph
+    },
+    async emit(ctx, content, resources): Promise<FilePath[]> {
       const fps: FilePath[] = []
       const allFiles = content.map((c) => c[1].data)
       const cfg = ctx.cfg.configuration
 
-      const folders: Set<CanonicalSlug> = new Set(
+      const folders: Set<SimpleSlug> = new Set(
         allFiles.flatMap((data) => {
           const slug = data.slug
-          const folderName = path.dirname(slug ?? "") as CanonicalSlug
+          const folderName = path.dirname(slug ?? "") as SimpleSlug
           if (slug && folderName !== "." && folderName !== "tags") {
             return [folderName]
           }
@@ -47,22 +74,25 @@
         [...folders].map((folder) => [
           folder,
           defaultProcessedContent({
-            slug: joinSegments(folder, "index") as ServerSlug,
-            frontmatter: { title: `Folder: ${folder}`, tags: [] },
+            slug: joinSegments(folder, "index") as FullSlug,
+            frontmatter: {
+              title: `${i18n(cfg.locale).pages.folderContent.folder}: ${folder}`,
+              tags: [],
+            },
           }),
         ]),
       )
 
       for (const [tree, file] of content) {
-        const slug = canonicalizeServer(file.data.slug!)
+        const slug = stripSlashes(simplifySlug(file.data.slug!)) as SimpleSlug
         if (folders.has(slug)) {
           folderDescriptions[slug] = [tree, file]
         }
       }
 
       for (const folder of folders) {
-        const slug = folder
-        const externalResources = pageResources(slug, resources)
+        const slug = joinSegments(folder, "index") as FullSlug
+        const externalResources = pageResources(pathToRoot(slug), resources)
         const [tree, file] = folderDescriptions[folder]
         const componentData: QuartzComponentProps = {
           fileData: file.data,
@@ -73,10 +103,11 @@
           allFiles,
         }
 
-        const content = renderPage(slug, componentData, opts, externalResources)
-        const fp = await emit({
+        const content = renderPage(cfg, slug, componentData, opts, externalResources)
+        const fp = await write({
+          ctx,
           content,
-          slug: file.data.slug!,
+          slug,
           ext: ".html",
         })
 

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