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next.js/bin/next-dev

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#!/usr/bin/env node
import 'source-map-support/register'
import { resolve, join } from 'path'
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import parseArgs from 'minimist'
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import { exists } from 'mz/fs'
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import Server from '../server'
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import clean from '../server/build/clean'
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const argv = parseArgs(process.argv.slice(2), {
alias: {
h: 'help',
p: 'port'
},
boolean: ['h'],
default: {
p: 3000
}
})
const dir = resolve(argv._[0] || '.')
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clean(dir)
.then(async () => {
const srv = new Server({ dir, dev: true, hotReload: true })
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await srv.start(argv.port)
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console.log(`> Ready on http://localhost:${argv.port}`)
// Check if pages dir exists and warn if not
if (!(await exists(join(dir, 'pages')))) {
if (await exists(join(dir, '..', 'pages'))) {
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console.error('> No `pages` directory found. Did you mean to run `next` in the parent (`../`) directory?')
} else {
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console.error('> Couldn\'t find a `pages` directory. Please create one under the project root')
}
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process.exit(1)
}
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})
.catch((err) => {
console.error(err)
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process.exit(1)
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})