53 lines
1.8 KiB
JavaScript
53 lines
1.8 KiB
JavaScript
import fs from 'fs'
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import path from 'path'
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import { defaultCacheControl } from './cache-control.js'
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const ICONS = [
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'./assets/images/site/apple-touch-icon-57x57.png',
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'./assets/images/site/apple-touch-icon-60x60.png',
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'./assets/images/site/apple-touch-icon-72x72.png',
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'./assets/images/site/apple-touch-icon-76x76.png',
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'./assets/images/site/apple-touch-icon-114x114.png',
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'./assets/images/site/apple-touch-icon-120x120.png',
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'./assets/images/site/apple-touch-icon-144x144.png',
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'./assets/images/site/apple-touch-icon-152x152.png',
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'./assets/images/site/apple-touch-icon-180x180.png',
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'./assets/images/site/apple-touch-icon-192x192.png',
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'./assets/images/site/apple-touch-icon-512x512.png',
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]
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export default async function manifestJson(req, res) {
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// This is modelled after https://github.com/manifest.json
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const manifest = {
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// In the future we might want to have a different manifest for each
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// language. Particularly, the `name` property.
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// But as of May 2023, this is overkill because all translations's
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// home page refer to the name of the site as "GitHub Docs".
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// For example, on https://docs.github.com/ja the `<title>`
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// is "GitHub Docs".
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name: 'GitHub Docs',
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short_name: 'GitHub Docs',
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start_url: '/',
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display: 'standalone',
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icons: [],
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}
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for (const icon of ICONS) {
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for (const sizes of path.basename(icon).match(/\d+x\d+/g)) {
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const stats = fs.statSync(icon)
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const split = icon.slice(1).split(path.sep)
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const hash = `${stats.size}`
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split.splice(2, 0, `cb-${hash}`)
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const src = split.join('/')
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const type = path.extname(icon) === '.png' ? 'image/png' : undefined
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manifest.icons.push({
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sizes,
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src,
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type,
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})
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}
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}
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defaultCacheControl(res)
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res.json(manifest)
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}
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