mirror of
https://github.com/nuxt/nuxt.git
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117 lines
2.8 KiB
JavaScript
117 lines
2.8 KiB
JavaScript
import consola from 'consola'
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import chalk from 'chalk'
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import opener from 'opener'
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import { common, server } from '../options'
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import { eventsMapping, formatPath } from '../utils'
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import { showBanner } from '../utils/banner'
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import { showMemoryUsage } from '../utils/memory'
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export default {
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name: 'dev',
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description: 'Start the application in development mode (e.g. hot-code reloading, error reporting)',
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usage: 'dev <dir>',
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options: {
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...common,
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...server,
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open: {
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alias: 'o',
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type: 'boolean',
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description: 'Opens the server listeners url in the default browser'
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}
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},
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async run (cmd) {
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const { argv } = cmd
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await this.startDev(cmd, argv, argv.open)
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},
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async startDev (cmd, argv) {
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let nuxt
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try {
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nuxt = await this._listenDev(cmd, argv)
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} catch (error) {
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consola.fatal(error)
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return
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}
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try {
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await this._buildDev(cmd, argv, nuxt)
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} catch (error) {
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await nuxt.callHook('cli:buildError', error)
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consola.error(error)
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}
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return nuxt
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},
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async _listenDev (cmd, argv) {
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const config = await cmd.getNuxtConfig({ dev: true, _build: true })
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const nuxt = await cmd.getNuxt(config)
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// Setup hooks
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nuxt.hook('watch:restart', payload => this.onWatchRestart(payload, { nuxt, cmd, argv }))
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nuxt.hook('bundler:change', changedFileName => this.onBundlerChange(changedFileName))
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// Wait for nuxt to be ready
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await nuxt.ready()
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// Start listening
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await nuxt.server.listen()
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// Show banner when listening
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showBanner(nuxt, false)
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// Opens the server listeners url in the default browser (only once)
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if (argv.open) {
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argv.open = false
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const openerPromises = nuxt.server.listeners.map(listener => opener(listener.url))
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await Promise.all(openerPromises)
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}
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// Return instance
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return nuxt
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},
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async _buildDev (cmd, argv, nuxt) {
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// Create builder instance
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const builder = await cmd.getBuilder(nuxt)
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// Start Build
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await builder.build()
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// Print memory usage
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showMemoryUsage()
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// Display server urls after the build
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for (const listener of nuxt.server.listeners) {
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consola.info(chalk.bold('Listening on: ') + listener.url)
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}
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// Return instance
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return nuxt
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},
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logChanged ({ event, path }) {
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const { icon, color, action } = eventsMapping[event] || eventsMapping.change
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consola.log({
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type: event,
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icon: chalk[color].bold(icon),
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message: `${action} ${chalk.cyan(formatPath(path))}`
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})
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},
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async onWatchRestart ({ event, path }, { nuxt, cmd, argv }) {
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this.logChanged({ event, path })
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await nuxt.close()
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await this.startDev(cmd, argv)
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},
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onBundlerChange (path) {
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this.logChanged({ event: 'change', path })
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}
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}
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