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248
quartz/components/renderPage.tsx
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248
quartz/components/renderPage.tsx
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import { render } from "preact-render-to-string"
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import { QuartzComponent, QuartzComponentProps } from "./types"
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import HeaderConstructor from "./Header"
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import BodyConstructor from "./Body"
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import { JSResourceToScriptElement, StaticResources } from "../util/resources"
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import { clone, FullSlug, RelativeURL, joinSegments, normalizeHastElement } from "../util/path"
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import { visit } from "unist-util-visit"
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import { Root, Element, ElementContent } from "hast"
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import { GlobalConfiguration } from "../cfg"
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import { i18n } from "../i18n"
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interface RenderComponents {
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head: QuartzComponent
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header: QuartzComponent[]
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beforeBody: QuartzComponent[]
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pageBody: QuartzComponent
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left: QuartzComponent[]
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right: QuartzComponent[]
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footer: QuartzComponent
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}
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const headerRegex = new RegExp(/h[1-6]/)
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export function pageResources(
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baseDir: FullSlug | RelativeURL,
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staticResources: StaticResources,
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): StaticResources {
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const contentIndexPath = joinSegments(baseDir, "static/contentIndex.json")
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const contentIndexScript = `const fetchData = fetch("${contentIndexPath}").then(data => data.json())`
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return {
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css: [joinSegments(baseDir, "index.css"), ...staticResources.css],
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js: [
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{
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src: joinSegments(baseDir, "prescript.js"),
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loadTime: "beforeDOMReady",
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contentType: "external",
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},
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{
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loadTime: "beforeDOMReady",
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contentType: "inline",
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spaPreserve: true,
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script: contentIndexScript,
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},
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...staticResources.js,
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{
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src: joinSegments(baseDir, "postscript.js"),
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loadTime: "afterDOMReady",
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moduleType: "module",
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contentType: "external",
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},
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],
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}
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}
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export function renderPage(
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cfg: GlobalConfiguration,
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slug: FullSlug,
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componentData: QuartzComponentProps,
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components: RenderComponents,
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pageResources: StaticResources,
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): string {
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// make a deep copy of the tree so we don't remove the transclusion references
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// for the file cached in contentMap in build.ts
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const root = clone(componentData.tree) as Root
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// process transcludes in componentData
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visit(root, "element", (node, _index, _parent) => {
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if (node.tagName === "blockquote") {
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const classNames = (node.properties?.className ?? []) as string[]
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if (classNames.includes("transclude")) {
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const inner = node.children[0] as Element
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const transcludeTarget = inner.properties["data-slug"] as FullSlug
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const page = componentData.allFiles.find((f) => f.slug === transcludeTarget)
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if (!page) {
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return
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}
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let blockRef = node.properties.dataBlock as string | undefined
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if (blockRef?.startsWith("#^")) {
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// block transclude
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blockRef = blockRef.slice("#^".length)
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let blockNode = page.blocks?.[blockRef]
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if (blockNode) {
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if (blockNode.tagName === "li") {
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blockNode = {
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type: "element",
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tagName: "ul",
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properties: {},
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children: [blockNode],
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}
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}
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node.children = [
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normalizeHastElement(blockNode, slug, transcludeTarget),
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{
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type: "element",
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tagName: "a",
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properties: { href: inner.properties?.href, class: ["internal", "transclude-src"] },
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children: [
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{ type: "text", value: i18n(cfg.locale).components.transcludes.linkToOriginal },
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],
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},
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]
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}
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} else if (blockRef?.startsWith("#") && page.htmlAst) {
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// header transclude
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blockRef = blockRef.slice(1)
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let startIdx = undefined
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let startDepth = undefined
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let endIdx = undefined
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for (const [i, el] of page.htmlAst.children.entries()) {
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// skip non-headers
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if (!(el.type === "element" && el.tagName.match(headerRegex))) continue
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const depth = Number(el.tagName.substring(1))
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// lookin for our blockref
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if (startIdx === undefined || startDepth === undefined) {
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// skip until we find the blockref that matches
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if (el.properties?.id === blockRef) {
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startIdx = i
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startDepth = depth
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}
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} else if (depth <= startDepth) {
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// looking for new header that is same level or higher
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endIdx = i
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break
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}
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}
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if (startIdx === undefined) {
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return
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}
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node.children = [
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...(page.htmlAst.children.slice(startIdx, endIdx) as ElementContent[]).map((child) =>
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normalizeHastElement(child as Element, slug, transcludeTarget),
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),
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{
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type: "element",
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tagName: "a",
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properties: { href: inner.properties?.href, class: ["internal", "transclude-src"] },
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children: [
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{ type: "text", value: i18n(cfg.locale).components.transcludes.linkToOriginal },
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],
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},
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]
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} else if (page.htmlAst) {
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// page transclude
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node.children = [
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{
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type: "element",
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tagName: "h1",
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properties: {},
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children: [
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{
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type: "text",
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value:
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page.frontmatter?.title ??
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i18n(cfg.locale).components.transcludes.transcludeOf({
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targetSlug: page.slug!,
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}),
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},
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],
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},
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...(page.htmlAst.children as ElementContent[]).map((child) =>
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normalizeHastElement(child as Element, slug, transcludeTarget),
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),
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{
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type: "element",
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tagName: "a",
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properties: { href: inner.properties?.href, class: ["internal", "transclude-src"] },
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children: [
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{ type: "text", value: i18n(cfg.locale).components.transcludes.linkToOriginal },
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],
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},
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]
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}
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}
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}
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})
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// set componentData.tree to the edited html that has transclusions rendered
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componentData.tree = root
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const {
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head: Head,
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header,
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beforeBody,
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pageBody: Content,
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left,
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right,
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footer: Footer,
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} = components
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const Header = HeaderConstructor()
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const Body = BodyConstructor()
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const LeftComponent = (
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<div class="left sidebar">
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{left.map((BodyComponent) => (
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<BodyComponent {...componentData} />
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))}
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</div>
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)
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const RightComponent = (
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<div class="right sidebar">
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{right.map((BodyComponent) => (
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<BodyComponent {...componentData} />
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))}
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</div>
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)
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const lang = componentData.fileData.frontmatter?.lang ?? cfg.locale?.split("-")[0] ?? "en"
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const doc = (
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<html lang={lang}>
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<Head {...componentData} />
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<body data-slug={slug}>
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<div id="quartz-root" class="page">
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<Body {...componentData}>
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{LeftComponent}
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<div class="center">
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<div class="page-header">
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<Header {...componentData}>
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{header.map((HeaderComponent) => (
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<HeaderComponent {...componentData} />
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))}
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</Header>
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<div class="popover-hint">
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{beforeBody.map((BodyComponent) => (
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<BodyComponent {...componentData} />
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))}
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</div>
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</div>
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<Content {...componentData} />
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</div>
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{RightComponent}
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</Body>
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<Footer {...componentData} />
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</div>
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</body>
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{pageResources.js
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.filter((resource) => resource.loadTime === "afterDOMReady")
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.map((res) => JSResourceToScriptElement(res))}
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</html>
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)
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return "<!DOCTYPE html>\n" + render(doc)
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}
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