semaphore/server.js

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#!/usr/bin/env node
const path = require('path')
const express = require('express')
const compression = require('compression')
const { routes: nowRoutes } = require('./now.json')
const { PORT = 4002 } = process.env
const app = express()
const exportDir = path.resolve(__dirname, '__sapper__/export')
const routes = nowRoutes.map(({ src, headers, dest }) => ({
regex: new RegExp(src),
headers,
dest
}))
app.use(compression({ threshold: 0 }))
app.use(express.static(exportDir, {
setHeaders (res, thisPath) {
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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))