mirror of
https://github.com/terribleplan/next.js.git
synced 2024-01-19 02:48:18 +00:00
b1c4f3aec4
- Implements Lerna - Moves all source code into `packages/next` - Keeps integration tests in the root directory
79 lines
2.3 KiB
JavaScript
Executable file
79 lines
2.3 KiB
JavaScript
Executable file
#!/usr/bin/env node
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import { resolve, join } from 'path'
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import parseArgs from 'minimist'
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import { existsSync } from 'fs'
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import startServer from '../server/lib/start-server'
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import { printAndExit } from '../server/lib/utils'
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const argv = parseArgs(process.argv.slice(2), {
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alias: {
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h: 'help',
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H: 'hostname',
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p: 'port'
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},
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boolean: ['h'],
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string: ['H'],
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default: { p: 3000 }
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})
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if (argv.help) {
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console.log(`
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Description
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Starts the application in development mode (hot-code reloading, error
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reporting, etc)
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Usage
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$ next dev <dir> -p <port number>
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<dir> represents where the compiled folder should go.
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If no directory is provided, the folder will be created in the current directory.
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You can set a custom folder in config https://github.com/zeit/next.js#custom-configuration.
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Options
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--port, -p A port number on which to start the application
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--hostname, -H Hostname on which to start the application
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--help, -h Displays this message
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`)
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process.exit(0)
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}
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const dir = resolve(argv._[0] || '.')
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// Check if pages dir exists and warn if not
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if (!existsSync(dir)) {
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printAndExit(`> No such directory exists as the project root: ${dir}`)
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}
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if (!existsSync(join(dir, 'pages'))) {
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if (existsSync(join(dir, '..', 'pages'))) {
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printAndExit('> No `pages` directory found. Did you mean to run `next` in the parent (`../`) directory?')
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}
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printAndExit('> Couldn\'t find a `pages` directory. Please create one under the project root')
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}
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startServer({dir, dev: true}, argv.port, argv.hostname)
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.then(async () => {
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console.log(`> Ready on http://${argv.hostname ? argv.hostname : 'localhost'}:${argv.port}`)
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})
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.catch((err) => {
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if (err.code === 'EADDRINUSE') {
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let errorMessage = `Port ${argv.port} is already in use.`
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const pkgAppPath = require('find-up').sync('package.json', {
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cwd: dir
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})
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const appPackage = require(pkgAppPath)
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if (appPackage.scripts) {
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const nextScript = Object.entries(appPackage.scripts).find(scriptLine => scriptLine[1] === 'next')
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if (nextScript) {
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errorMessage += `\nUse \`npm run ${nextScript[0]} -- -p <some other port>\`.`
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}
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}
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console.error(errorMessage)
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} else {
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console.error(err)
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}
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process.nextTick(() => process.exit(1))
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})
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