9995f5d518
* Add checking of react versions to make sure it meets the minimum set in peerDependencies * Simplify react check * Update error wording Co-Authored-By: timneutkens <tim@timneutkens.nl> * Add err.sh * Update test-production circleci job name * Add react error message to next-dev-server * Update test for new wording
98 lines
3.2 KiB
JavaScript
Executable file
98 lines
3.2 KiB
JavaScript
Executable file
#!/usr/bin/env node
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import arg from 'next/dist/compiled/arg/index.js'
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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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// tslint:disable-next-line
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console.warn(`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 --save ${dependency}'`)
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}
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})
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const React = require('react')
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if (typeof React.Suspense === 'undefined') {
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throw new Error(`The version of React you are using is lower than the minimum required version needed for Next.js. Please upgrade "react" and "react-dom": "npm install --save react react-dom" https://err.sh/zeit/next.js/invalid-react-version`)
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}
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const defaultCommand = 'dev'
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export type cliCommand = (argv?: string[]) => void
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const commands: {[command: string]: () => Promise<cliCommand>} = {
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build: async () => await import('../cli/next-build').then((i) => i.nextBuild),
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start: async () => await import('../cli/next-start').then((i) => i.nextStart),
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export: async () => await import('../cli/next-export').then((i) => i.nextExport),
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dev: async () => await import('../cli/next-dev').then((i) => i.nextDev),
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}
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const args = arg({
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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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permissive: true,
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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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// tslint:disable-next-line
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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 <subcommand> --help` case is covered
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// This help message is only showed for `next --help`
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if (!foundCommand && args['--help']) {
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// tslint:disable-next-line
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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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${Object.keys(commands).join(', ')}
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Options
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--version, -p Version number
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--inspect Enable the Node.js inspector
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--help, -h Displays this message
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For more information run a command with the --help flag
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$ 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']) throw new Error(`Use env variable NODE_OPTIONS instead: NODE_OPTIONS="--inspect" next ${command}`)
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// Make sure the `next <subcommand> --help` case is covered
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if (args['--help']) {
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forwardedArgs.push('--help')
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}
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const defaultEnv = command === 'dev' ? 'development' : 'production'
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process.env.NODE_ENV = process.env.NODE_ENV || defaultEnv
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commands[command]().then((exec) => exec(forwardedArgs))
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if (command === 'dev') {
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const {CONFIG_FILE} = require('next-server/constants')
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const {watchFile} = require('fs')
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watchFile(`${process.cwd()}/${CONFIG_FILE}`, (cur: any, prev: any) => {
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if (cur.size > 0 || prev.size > 0) {
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// tslint:disable-next-line
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console.log(`\n> Found a change in ${CONFIG_FILE}. Restart the server to see the changes in effect.`)
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}
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})
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}
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