Jacky Zhao
2023-07-16 a3e4c86a4cf18e31fe5b65d57ce120174c9f6aee
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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"
import { CanonicalSlug, FilePath, ServerSlug, canonicalizeServer, joinSegments } 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<FilePath[]> {
      const fps: FilePath[] = []
      const allFiles = content.map(c => c[1].data)
 
      const folders: Set<CanonicalSlug> = new Set(allFiles.flatMap(data => {
        const slug = data.slug
        const folderName = path.dirname(slug ?? "") as CanonicalSlug
        if (slug && folderName !== ".") {
          return [folderName]
        }
        return []
      }))
 
      // remove special prefixes
      folders.delete("tags" as CanonicalSlug)
 
      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 = canonicalizeServer(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" as FilePath
        await emit({
          content,
          slug: file.data.slug!,
          ext: ".html",
        })
 
        fps.push(fp)
      }
      return fps
    }
  }
}