136 lines
4.1 KiB
TypeScript
136 lines
4.1 KiB
TypeScript
import { GlobalConfiguration } from "../../cfg"
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import { getDate } from "../../components/Date"
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import { FilePath, FullSlug, SimpleSlug, simplifySlug } from "../../util/path"
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import { QuartzEmitterPlugin } from "../types"
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import path from "path"
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export type ContentIndex = Map<FullSlug, ContentDetails>
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export type ContentDetails = {
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title: string
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links: SimpleSlug[]
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tags: string[]
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content: string
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date?: Date
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description?: string
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}
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interface Options {
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enableSiteMap: boolean
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enableRSS: boolean
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includeEmptyFiles: boolean
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}
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const defaultOptions: Options = {
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enableSiteMap: true,
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enableRSS: true,
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includeEmptyFiles: true,
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}
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function generateSiteMap(cfg: GlobalConfiguration, idx: ContentIndex): string {
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const base = cfg.baseUrl ?? ""
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const createURLEntry = (slug: SimpleSlug, content: ContentDetails): string => `<url>
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<loc>https://${base}/${slug}</loc>
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<lastmod>${content.date?.toISOString()}</lastmod>
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</url>`
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const urls = Array.from(idx)
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.map(([slug, content]) => createURLEntry(simplifySlug(slug), content))
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.join("")
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return `<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xhtml="http://www.w3.org/1999/xhtml">${urls}</urlset>`
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}
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function generateRSSFeed(cfg: GlobalConfiguration, idx: ContentIndex): string {
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const base = cfg.baseUrl ?? ""
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const root = `https://${base}`
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const createURLEntry = (slug: SimpleSlug, content: ContentDetails): string => `<item>
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<title>${content.title}</title>
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<link>${root}/${slug}</link>
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<guid>${root}/${slug}</guid>
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<description>${content.description}</description>
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<pubDate>${content.date?.toUTCString()}</pubDate>
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</item>`
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const items = Array.from(idx)
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.map(([slug, content]) => createURLEntry(simplifySlug(slug), content))
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.join("")
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return `<?xml version="1.0" encoding="UTF-8" ?>
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<rss version="2.0">
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<channel>
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<title>${cfg.pageTitle}</title>
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<link>${root}</link>
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<description>Recent content on ${cfg.pageTitle}</description>
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<generator>Quartz -- quartz.jzhao.xyz</generator>
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${items}
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</channel>
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</rss>`
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}
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export const ContentIndex: QuartzEmitterPlugin<Partial<Options>> = (opts) => {
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opts = { ...defaultOptions, ...opts }
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return {
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name: "ContentIndex",
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async emit(ctx, content, _resources, emit) {
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const cfg = ctx.cfg.configuration
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const emitted: FilePath[] = []
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const linkIndex: ContentIndex = new Map()
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for (const [_tree, file] of content) {
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const slug = file.data.slug!
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const date = getDate(ctx.cfg.configuration, file.data) ?? new Date()
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if (opts?.includeEmptyFiles || (file.data.text && file.data.text !== "")) {
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linkIndex.set(slug, {
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title: file.data.frontmatter?.title!,
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links: file.data.links ?? [],
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tags: file.data.frontmatter?.tags ?? [],
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content: file.data.text ?? "",
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date: date,
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description: file.data.description ?? "",
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})
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}
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}
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if (opts?.enableSiteMap) {
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emitted.push(
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await emit({
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content: generateSiteMap(cfg, linkIndex),
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slug: "sitemap" as FullSlug,
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ext: ".xml",
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}),
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)
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}
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if (opts?.enableRSS) {
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emitted.push(
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await emit({
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content: generateRSSFeed(cfg, linkIndex),
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slug: "index" as FullSlug,
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ext: ".xml",
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}),
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)
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}
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const fp = path.join("static", "contentIndex") as FullSlug
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const simplifiedIndex = Object.fromEntries(
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Array.from(linkIndex).map(([slug, content]) => {
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// remove description and from content index as nothing downstream
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// actually uses it. we only keep it in the index as we need it
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// for the RSS feed
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delete content.description
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delete content.date
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return [slug, content]
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}),
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)
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emitted.push(
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await emit({
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content: JSON.stringify(simplifiedIndex),
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slug: fp,
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ext: ".json",
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}),
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)
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return emitted
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},
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getQuartzComponents: () => [],
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}
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}
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