tag and folder pages

quartz/plugins/emitters/folderPage.tsx

@@ -0,0 +1,77 @@
+import { QuartzEmitterPlugin } from "../types"
+import { QuartzComponentProps } from "../../components/types"
+import HeaderConstructor from "../../components/Header"
+import BodyConstructor from "../../components/Body"
+import { pageResources, renderPage } from "../../components/renderPage"
+import { ProcessedContent, defaultProcessedContent } from "../vfile"
+import { FullPageLayout } from "../../cfg"
+import path from "path"
+
+export const FolderPage: QuartzEmitterPlugin<FullPageLayout> = (opts) => {
+  if (!opts) {
+    throw new Error("ErrorPage must be initialized with options specifiying the components to use")
+  }
+
+  const { head: Head, header, beforeBody, pageBody: Content, left, right, footer: Footer } = opts
+  const Header = HeaderConstructor()
+  const Body = BodyConstructor()
+
+  return {
+    name: "FolderPage",
+    getQuartzComponents() {
+      return [Head, Header, Body, ...header, ...beforeBody, Content, ...left, ...right, Footer]
+    },
+    async emit(_contentDir, cfg, content, resources, emit): Promise<string[]> {
+      const fps: string[] = []
+      const allFiles = content.map(c => c[1].data)
+
+      const folders: Set<string> = new Set(allFiles.flatMap(data => data.slug ? [path.dirname(data.slug)] : []))
+
+      // 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: [] } })
+      ])))
+
+      for (const [tree, file] of content) {
+        const slug = file.data.slug!
+        if (folders.has(slug)) {
+          folderDescriptions[slug] = [tree, file]
+        }
+      }
+
+      for (const folder of folders) {
+        const slug = folder 
+        const externalResources = pageResources(slug, resources)
+        const [tree, file] = folderDescriptions[folder]
+        const componentData: QuartzComponentProps = {
+          fileData: file.data,
+          externalResources,
+          cfg,
+          children: [],
+          tree,
+          allFiles
+        }
+
+        const content = renderPage(
+          slug,
+          componentData,
+          opts,
+          externalResources
+        )
+
+        const fp = file.data.slug + ".html"
+        await emit({
+          content,
+          slug: file.data.slug!,
+          ext: ".html",
+        })
+
+        fps.push(fp)
+      }
+      return fps
+    }
+  }
+}