зеркало из https://github.com/github/docs.git
36 строки
1.2 KiB
JavaScript
36 строки
1.2 KiB
JavaScript
require('./lib/check-node-version')
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require('./lib/handle-exceptions')
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require('./lib/feature-flags')
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const express = require('express')
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const portUsed = require('port-used')
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const warmServer = require('./lib/warm-server')
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const port = Number(process.env.PORT) || 4000
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const app = express()
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require('./middleware')(app)
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// prevent the app from starting up durings tests
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/* istanbul ignore next */
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if (!module.parent) {
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// check that the development server is not already running
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portUsed.check(port).then(async status => {
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if (status === false) {
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// If in production, warm the server at the start
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if (process.env.NODE_ENV === 'production') warmServer()
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// workaround for https://github.com/expressjs/express/issues/1101
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const server = require('http').createServer(app)
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server.listen(port, () => console.log(`app running on http://localhost:${port}`))
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.on('error', () => server.close())
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} else {
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console.log(`\n\n\nPort ${port} is not available. You may already have a server running.`)
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console.log('Try running `killall node` to shut down all your running node processes.\n\n\n')
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console.log('\x07') // system 'beep' sound
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process.exit(1)
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}
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})
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}
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module.exports = app
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