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next.js/packages/next/bin/next-export.ts

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#!/usr/bin/env node
import { resolve, join } from 'path'
import { existsSync } from 'fs'
import arg from 'arg'
import exportApp from '../export'
import { printAndExit } from '../server/lib/utils'
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const args = arg({
// Types
'--help': Boolean,
'--silent': Boolean,
'--outdir': String,
'--threads': Number,
'--concurrency': Number,
// Aliases
'-h': '--help',
'-s': '--silent',
'-o': '--outdir',
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})
if (args['--help']) {
// tslint:disable-next-line
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console.log(`
Description
Exports the application for production deployment
Usage
$ next export [options] <dir>
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<dir> represents where the compiled dist folder should go.
If no directory is provided, the 'out' folder will be created in the current directory.
Options
-h - list this help
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-o - set the output dir (defaults to 'out')
-s - do not print any messages to console
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`)
process.exit(0)
}
const dir = resolve(args._[0] || '.')
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// Check if pages dir exists and warn if not
if (!existsSync(dir)) {
printAndExit(`> No such directory exists as the project root: ${dir}`)
}
if (!existsSync(join(dir, 'pages'))) {
if (existsSync(join(dir, '..', 'pages'))) {
printAndExit('> No `pages` directory found. Did you mean to run `next` in the parent (`../`) directory?')
}
printAndExit('> Couldn\'t find a `pages` directory. Please create one under the project root')
}
const options = {
silent: args['--silent'] || false,
threads: args['--threads'],
concurrency: args['--concurrency'],
outdir: args['--outdir'] ? resolve(args['--outdir']) : join(dir, 'out'),
}
exportApp(dir, options)
.then(() => {
printAndExit('Export successful', 0)
})
.catch((err) => {
printAndExit(err)
})