roadmap/quartz/processors/emit.ts

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import path from "path"
import fs from "fs"
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import { GlobalConfiguration, QuartzConfig } from "../cfg"
import { PerfTimer } from "../perf"
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import { ComponentResources, emitComponentResources, getComponentResources, getStaticResourcesFromPlugins } from "../plugins"
import { EmitCallback } from "../plugins/types"
import { ProcessedContent } from "../plugins/vfile"
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import { FilePath, QUARTZ, slugifyFilePath } from "../path"
import { globbyStream } from "globby"
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import chalk from "chalk"
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// @ts-ignore
import spaRouterScript from '../components/scripts/spa.inline'
// @ts-ignore
import plausibleScript from '../components/scripts/plausible.inline'
// @ts-ignore
import popoverScript from '../components/scripts/popover.inline'
import popoverStyle from '../components/styles/popover.scss'
import { StaticResources } from "../resources"
import { QuartzLogger } from "../log"
import { googleFontHref } from "../theme"
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function addGlobalPageResources(cfg: GlobalConfiguration, staticResources: StaticResources, componentResources: ComponentResources) {
staticResources.css.push(googleFontHref(cfg.theme))
// popovers
if (cfg.enablePopovers) {
componentResources.afterDOMLoaded.push(popoverScript)
componentResources.css.push(popoverStyle)
}
if (cfg.analytics?.provider === "google") {
const tagId = cfg.analytics.tagId
staticResources.js.push({
src: `https://www.googletagmanager.com/gtag/js?id=${tagId}`,
contentType: 'external',
loadTime: 'afterDOMReady',
})
componentResources.afterDOMLoaded.push(`
window.dataLayer = window.dataLayer || [];
function gtag() { dataLayer.push(arguments); }
gtag(\`js\`, new Date());
gtag(\`config\`, \`${tagId}\`, { send_page_view: false });
document.addEventListener(\`nav\`, () => {
gtag(\`event\`, \`page_view\`, {
page_title: document.title,
page_location: location.href,
});
});`
)
} else if (cfg.analytics?.provider === "plausible") {
componentResources.afterDOMLoaded.push(plausibleScript)
}
// spa
if (cfg.enableSPA) {
componentResources.afterDOMLoaded.push(spaRouterScript)
} else {
componentResources.afterDOMLoaded.push(`
window.spaNavigate = (url, _) => window.location.assign(url)
const event = new CustomEvent("nav", { detail: { slug: document.body.dataset.slug } })
document.dispatchEvent(event)`
)
}
}
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export async function emitContent(contentFolder: string, output: string, cfg: QuartzConfig, content: ProcessedContent[], verbose: boolean) {
const perf = new PerfTimer()
const log = new QuartzLogger(verbose)
log.start(`Emitting output files`)
const emit: EmitCallback = async ({ slug, ext, content }) => {
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const pathToPage = path.join(output, slug + ext) as FilePath
const dir = path.dirname(pathToPage)
await fs.promises.mkdir(dir, { recursive: true })
await fs.promises.writeFile(pathToPage, content)
return pathToPage
}
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// initialize from plugins
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const staticResources = getStaticResourcesFromPlugins(cfg.plugins)
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// component specific scripts and styles
const componentResources = getComponentResources(cfg.plugins)
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// important that this goes *after* component scripts
// as the "nav" event gets triggered here and we should make sure
// that everyone else had the chance to register a listener for it
addGlobalPageResources(cfg.configuration, staticResources, componentResources)
// emit in one go
const emittedResources = await emitComponentResources(cfg.configuration, componentResources, emit)
if (verbose) {
for (const file of emittedResources) {
console.log(`[emit:Resources] ${file}`)
}
}
// emitter plugins
let emittedFiles = 0
for (const emitter of cfg.plugins.emitters) {
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try {
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const emitted = await emitter.emit(contentFolder, cfg.configuration, content, staticResources, emit)
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emittedFiles += emitted.length
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if (verbose) {
for (const file of emitted) {
console.log(`[emit:${emitter.name}] ${file}`)
}
}
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} catch (err) {
console.log(chalk.red(`Failed to emit from plugin \`${emitter.name}\`: `) + err)
process.exit(1)
}
}
const staticPath = path.join(QUARTZ, "static")
await fs.promises.cp(staticPath, path.join(output, "static"), { recursive: true })
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if (verbose) {
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console.log(`[emit:Static] ${path.join("static", "**")}`)
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}
// glob all non MD/MDX/HTML files in content folder and copy it over
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const assetsPath = path.join(output, "assets")
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for await (const rawFp of globbyStream("**", {
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ignore: ["**/*.md"],
cwd: contentFolder,
})) {
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const fp = rawFp as FilePath
const ext = path.extname(fp)
const src = path.join(contentFolder, fp) as FilePath
const name = slugifyFilePath(fp as FilePath) + ext as FilePath
const dest = path.join(assetsPath, name) as FilePath
const dir = path.dirname(dest) as FilePath
await fs.promises.mkdir(dir, { recursive: true }) // ensure dir exists
await fs.promises.copyFile(src, dest)
emittedFiles += 1
if (verbose) {
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console.log(`[emit:Assets] ${path.join("assets", name)}`)
}
}
log.success(`Emitted ${emittedFiles} files to \`${output}\` in ${perf.timeSince()}`)
}