96696c2d3b
x-ref: [slack thread](https://vercel.slack.com/archives/C02HEJASXGD/p1667173179573409?thread_ts=1667165920.338789&channel=C02HEJASXGD&message_ts=1667173179.573409) ## Bug - [ ] Related issues linked using `fixes #number` - [ ] Integration tests added - [ ] Errors have a helpful link attached, see `contributing.md` ## Feature - [ ] Implements an existing feature request or RFC. Make sure the feature request has been accepted for implementation before opening a PR. - [ ] Related issues linked using `fixes #number` - [ ] Integration tests added - [ ] Documentation added - [ ] Telemetry added. In case of a feature if it's used or not. - [ ] Errors have a helpful link attached, see `contributing.md` ## Documentation / Examples - [ ] Make sure the linting passes by running `pnpm build && pnpm lint` - [ ] The "examples guidelines" are followed from [our contributing doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
129 lines
3.6 KiB
JavaScript
Executable file
129 lines
3.6 KiB
JavaScript
Executable file
#!/usr/bin/env node
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import * as log from '../build/output/log'
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import arg from 'next/dist/compiled/arg/index.js'
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import { NON_STANDARD_NODE_ENV } from '../lib/constants'
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import { commands } from '../lib/commands'
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;['react', 'react-dom'].forEach((dependency) => {
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try {
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// When 'npm link' is used it checks the clone location. Not the project.
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require.resolve(dependency)
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} catch (err) {
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console.warn(
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`The module '${dependency}' was not found. Next.js requires that you include it in 'dependencies' of your 'package.json'. To add it, run 'npm install ${dependency}'`
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)
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}
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})
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const defaultCommand = 'dev'
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const args = arg(
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{
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// Types
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'--version': Boolean,
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'--help': Boolean,
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'--inspect': Boolean,
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// Aliases
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'-v': '--version',
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'-h': '--help',
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},
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{
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permissive: true,
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}
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)
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// Version is inlined into the file using taskr build pipeline
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if (args['--version']) {
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console.log(`Next.js v${process.env.__NEXT_VERSION}`)
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process.exit(0)
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}
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// Check if we are running `next <subcommand>` or `next`
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const foundCommand = Boolean(commands[args._[0]])
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// Makes sure the `next --help` case is covered
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// This help message is only showed for `next --help`
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// `next <subcommand> --help` falls through to be handled later
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if (!foundCommand && args['--help']) {
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console.log(`
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Usage
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$ next <command>
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Available commands
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${Object.keys(commands).join(', ')}
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Options
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--version, -v Version number
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--help, -h Displays this message
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For more information run a command with the --help flag
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$ next build --help
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`)
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process.exit(0)
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}
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const command = foundCommand ? args._[0] : defaultCommand
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const forwardedArgs = foundCommand ? args._.slice(1) : args._
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if (args['--inspect'])
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throw new Error(
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`--inspect flag is deprecated. Use env variable NODE_OPTIONS instead: NODE_OPTIONS='--inspect' next ${command}`
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)
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// Make sure the `next <subcommand> --help` case is covered
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if (args['--help']) {
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forwardedArgs.push('--help')
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}
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const defaultEnv = command === 'dev' ? 'development' : 'production'
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const standardEnv = ['production', 'development', 'test']
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if (process.env.NODE_ENV) {
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const isNotStandard = !standardEnv.includes(process.env.NODE_ENV)
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const shouldWarnCommands =
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process.env.NODE_ENV === 'development'
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? ['start', 'build']
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: process.env.NODE_ENV === 'production'
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? ['dev']
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: []
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if (isNotStandard || shouldWarnCommands.includes(command)) {
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log.warn(NON_STANDARD_NODE_ENV)
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}
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}
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;(process.env as any).NODE_ENV = process.env.NODE_ENV || defaultEnv
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;(process.env as any).NEXT_RUNTIME = 'nodejs'
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// x-ref: https://github.com/vercel/next.js/pull/34688#issuecomment-1047994505
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if (process.versions.pnp === '3') {
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const nodeVersionParts = process.versions.node
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.split('.')
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.map((v) => Number(v))
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if (
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nodeVersionParts[0] < 16 ||
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(nodeVersionParts[0] === 16 && nodeVersionParts[1] < 14)
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) {
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log.warn(
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'Node.js 16.14+ is required for Yarn PnP 3.20+. More info: https://github.com/vercel/next.js/pull/34688#issuecomment-1047994505'
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)
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}
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}
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// Make sure commands gracefully respect termination signals (e.g. from Docker)
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// Allow the graceful termination to be manually configurable
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if (!process.env.NEXT_MANUAL_SIG_HANDLE && command !== 'dev') {
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process.on('SIGTERM', () => process.exit(0))
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process.on('SIGINT', () => process.exit(0))
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}
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commands[command]()
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.then((exec) => exec(forwardedArgs))
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.then(() => {
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if (command === 'build') {
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// ensure process exits after build completes so open handles/connections
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// don't cause process to hang
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process.exit(0)
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}
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})
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