50 lines
1.3 KiB
JavaScript
Executable File
50 lines
1.3 KiB
JavaScript
Executable File
#!/usr/bin/env node
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import fs from 'fs'
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import path from 'path'
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import express from 'express'
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import compression from 'compression'
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const __dirname = path.dirname(new URL(import.meta.url).pathname)
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// JSON files not supported in ESM yet
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// https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c#how-can-i-import-json
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const vercelJson = JSON.parse(fs.readFileSync(path.join(__dirname, 'vercel.json'), 'utf8'))
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const { routes: rawRoutes } = vercelJson
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const { PORT = 4002 } = process.env
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const app = express()
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const exportDir = path.resolve(__dirname, '__sapper__/export')
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const routes = rawRoutes.map(({ src, headers, dest }) => ({
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regex: new RegExp(src),
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headers,
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dest
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}))
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app.use(compression({ threshold: 0 }))
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app.use(express.static(exportDir, {
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setHeaders (res, thisPath) {
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const localPath = '/' + path.relative(exportDir, thisPath)
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for (const { regex, headers } of routes) {
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if (regex.test(localPath)) {
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res.set(headers)
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return
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}
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}
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}
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}))
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routes.forEach(({ regex, headers, dest }) => {
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app.get(regex, (req, res) => {
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res.set(headers)
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res.sendFile(path.resolve(exportDir, dest ? req.path.replace(regex, dest) : req.path))
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})
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})
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app.listen(PORT, () => console.log(`listening on port ${PORT}`))
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// Handle SIGINT (source: https://git.io/vhJgF)
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process.on('SIGINT', () => process.exit(0))
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