pinafore/server.js

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const express = require('express')
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const compression = require('compression')
const sapper = require('sapper')
const serveStatic = require('serve-static')
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const app = express()
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const csp = require('helmet-csp')
const headScriptChecksum = require('./inline-script-checksum').checksum
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const { PORT = 4002 } = process.env
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// this allows us to do e.g. `fetch('/_api/blog')` on the server
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const fetch = require('node-fetch')
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global.fetch = (url, opts) => {
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if (url[0] === '/') url = `http://localhost:${PORT}${url}`
return fetch(url, opts)
}
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app.use(compression({ threshold: 0 }))
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app.use(csp({
directives: {
scriptSrc: [`'self'`, `'sha256-${headScriptChecksum}'`],
workerSrc: [`'self'`],
styleSrc: [`'self'`, `'unsafe-inline'`],
frameSrc: [`'none'`],
objectSrc: [`'none'`],
manifestSrc: [`'self'`]
}
}))
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app.use(serveStatic('assets', {
setHeaders: (res) => {
res.setHeader('Cache-Control', 'public,max-age=600')
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}
}))
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app.use('/report.html', express.static('.sapper/client/report.html'))
app.use('/stats.json', express.static('.sapper/client/stats.json'))
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app.use(sapper())
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app.listen(PORT, () => {
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console.log(`listening on port ${PORT}`)
})