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20fe65ce41
Fixes #5845 Implement tslint for core files **What is this?** Implements tslint for both next and next-server, but keeps standardjs/eslint for the .js files that are still there, we're gradually migrating to Typescript. **How does it work?** Before every commit (pre-commit) we execute the following `tslint` command: `tslint -c tslint.json 'packages/**/*.ts` **TSLint Rules** In order to avoid as much changes as possible I marked some rules as false. This way we can improve the linter but making sure this step will not break things. (see tslint.json) **Note** After merging this PR, you'll need to update your dependencies since it adds tslint to package.json
85 lines
2.5 KiB
JavaScript
Executable file
85 lines
2.5 KiB
JavaScript
Executable file
#!/usr/bin/env node
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import { resolve, join } from 'path'
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import arg from 'arg'
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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 args = arg({
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// Types
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'--help': Boolean,
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'--port': Number,
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'--hostname': String,
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// Aliases
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'-h': '--help',
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'-p': '--port',
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'-H': '--hostname',
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})
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if (args['--help']) {
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// tslint:disable-next-line
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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(args._[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: ${dir}`)
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}
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if (!existsSync(join(dir, 'pages'))) {
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if (existsSync(join(dir, '..', 'pages'))) {
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printAndExit('> No `pages` directory found. Did you mean to run `next` in the parent (`../`) directory?')
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}
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printAndExit('> Couldn\'t find a `pages` directory. Please create one under the project root')
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}
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const port = args['--port'] || 3000
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startServer({dir, dev: true}, port, args['--hostname'])
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.then(async (app) => {
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// tslint:disable-next-line
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console.log(`> Ready on http://${args['--hostname'] || 'localhost'}:${port}`)
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await app.prepare()
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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 ${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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// tslint:disable-next-line
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console.error(errorMessage)
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} else {
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// tslint:disable-next-line
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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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