mirror of https://github.com/nuxt/nuxt.git
101 lines
2.8 KiB
JavaScript
Executable File
101 lines
2.8 KiB
JavaScript
Executable File
#!/usr/bin/env node
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process.env.NODE_ENV = process.env.NODE_ENV || 'development'
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const parseArgs = require('minimist')
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const consola = require('consola')
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const { version } = require('../package.json')
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const { Nuxt, Builder } = require('..')
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const { loadNuxtConfig } = require('./common/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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c: 'config-file',
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s: 'spa',
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u: 'universal',
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v: 'version'
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},
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boolean: ['h', 's', 'u', 'v'],
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string: ['H', 'c'],
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default: {
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c: 'nuxt.config.js'
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}
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})
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if (argv.version) {
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process.stderr.write(version + '\n')
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process.exit(0)
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}
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if (argv.hostname === '') {
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consola.fatal('Provided hostname argument has no value')
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}
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if (argv.help) {
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process.stderr.write(`
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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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$ nuxt dev <dir> -p <port number> -H <hostname>
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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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--spa Launch in SPA mode
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--universal Launch in Universal mode (default)
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--config-file, -c Path to Nuxt.js config file (default: nuxt.config.js)
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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 config = () => {
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// Force development mode for add hot reloading and watching changes
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return Object.assign(loadNuxtConfig(argv), { dev: true })
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}
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const errorHandler = (err, instance) => {
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instance && instance.builder.watchServer()
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consola.error(err)
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}
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// Start dev
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(function startDev(oldInstance) {
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let nuxt, builder
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try {
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nuxt = new Nuxt(config())
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builder = new Builder(nuxt)
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nuxt.hook('watch:fileChanged', (builder, fname) => {
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consola.debug(`[${fname}] changed, Rebuilding the app...`)
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startDev({ nuxt: builder.nuxt, builder })
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})
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} catch (err) {
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return errorHandler(err, oldInstance)
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}
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return (
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Promise.resolve()
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.then(() => oldInstance && oldInstance.nuxt.clearHook('watch:fileChanged'))
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.then(() => oldInstance && oldInstance.builder.unwatch())
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// Start build
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.then(() => builder.build())
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// Close old nuxt no mater if build successfully
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.catch((err) => {
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oldInstance && oldInstance.nuxt.close()
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// Jump to eventHandler
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throw err
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})
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.then(() => oldInstance && oldInstance.nuxt.close())
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// Start listening
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.then(() => nuxt.listen())
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// Show ready message first time, others will be shown through WebpackBar
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.then(() => !oldInstance && nuxt.showReady(false))
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.then(() => builder.watchServer())
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// Handle errors
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.catch(err => errorHandler(err, { builder, nuxt }))
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)
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})()
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