| 1 | const express = require('express')
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| 2 | const cors = require('cors')
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| 3 | const serveIndex = require('serve-index')
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| 4 | module.exports = ({ port, program }) => {
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| 5 | const app = express()
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| 6 | app.use((req, res, next) => {
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| 7 | res.setHeader('Surrogate-Control', 'no-store')
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| 8 | res.setHeader('Cache-Control', 'no-store, no-cache, must-revalidate, proxy-revalidate')
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| 9 | res.setHeader('Pragma', 'no-cache')
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| 10 | res.setHeader('Expires', '0')
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| 11 | next()
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| 12 | })
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| 13 | app.options('*', cors())
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| 14 | const corsOptions = {
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| 15 | origin: (origin, cb) => {
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| 16 | cb(null, { origin: true })
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| 17 | }
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| 18 | }
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| 19 | app.use('/', cors(corsOptions), serveIndex(program.cwd, { icons: true }))
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| 20 | app.use('/', cors(corsOptions), express.static(program.cwd))
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| 21 | app.listen(port, () => {
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| 22 | console.log(`CORS-enabled web server listening on port ${port}`)
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| 23 | })
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| 24 | }
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