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next.js/bin/next-start

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#!/usr/bin/env node
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import { resolve } from 'path'
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import parseArgs from 'minimist'
import Server from '../server'
import { existsSync } from 'fs'
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process.env.NODE_ENV = process.env.NODE_ENV || 'production'
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const argv = parseArgs(process.argv.slice(2), {
alias: {
h: 'help',
p: 'port'
},
boolean: ['h'],
default: {
p: 3000
}
})
if (argv.help) {
console.log(`
Description
Starts the application in production mode.
The application should be compiled with \`next build\` first.
Usage
$ next start <dir> -p <port>
<dir> is the directory that contains the compiled .next folder
created by running \`next build\`.
If no directory is provided, the current directory will be assumed.
Options
--port, -p A port number on which to start the application
--help, -h Displays this message
`)
process.exit(0)
}
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const dir = resolve(argv._[0] || '.')
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const srv = new Server({ dir })
if (!existsSync(resolve(dir, '.next'))) {
console.error(`> Could not find the '.next' directory! Try building your app with 'next build' before starting the server.`)
process.exit(1)
}
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srv.start(argv.port)
.then(() => {
if (!process.env.NOW) {
console.log(`> Ready on http://localhost:${argv.port}`)
}
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})
.catch((err) => {
console.error(err)
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process.exit(1)
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})