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