mirror of
https://github.com/nuxt/nuxt.git
synced 2024-11-23 22:25:12 +00:00
614 lines
19 KiB
JavaScript
614 lines
19 KiB
JavaScript
const { promisify } = require('util')
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const _ = require('lodash')
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const chokidar = require('chokidar')
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const { remove, readFile, writeFile, mkdirp, existsSync } = require('fs-extra')
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const hash = require('hash-sum')
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const webpack = require('webpack')
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const serialize = require('serialize-javascript')
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const { join, resolve, basename, extname, dirname } = require('path')
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const MFS = require('memory-fs')
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const webpackDevMiddleware = require('webpack-dev-middleware')
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const webpackHotMiddleware = require('webpack-hot-middleware')
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const { r, wp, wChunk, createRoutes, sequence, relativeTo, isPureObject, waitFor, rmCache } = require('../common/utils')
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const Debug = require('debug')
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const Glob = require('glob')
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const clientWebpackConfig = require('./webpack/client.config.js')
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const serverWebpackConfig = require('./webpack/server.config.js')
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const dllWebpackConfig = require('./webpack/dll.config.js')
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const vueLoaderConfig = require('./webpack/vue-loader.config')
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const styleLoader = require('./webpack/style-loader')
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const { Options } = require('../common')
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const debug = Debug('nuxt:build')
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debug.color = 2 // Force green color
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const glob = promisify(Glob)
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module.exports = class Builder {
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constructor(nuxt) {
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this.nuxt = nuxt
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this.isStatic = false // Flag to know if the build is for a generated app
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this.options = nuxt.options
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// Fields that set on build
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this.compilers = []
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this.compilersWatching = []
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this.webpackDevMiddleware = null
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this.webpackHotMiddleware = null
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this.filesWatcher = null
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this.customFilesWatcher = null
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// Mute stats on dev
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this.webpackStats = this.options.dev ? false : {
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chunks: false,
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children: false,
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modules: false,
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colors: true,
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excludeAssets: [
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/.map$/,
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/index\..+\.html$/,
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/vue-ssr-client-manifest.json/
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]
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}
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// Helper to resolve build paths
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this.relativeToBuild = (...args) => relativeTo(this.options.buildDir, ...args)
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// Bind styleLoader and vueLoader
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this.styleLoader = styleLoader.bind(this)
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this.vueLoader = vueLoaderConfig.bind(this)
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this._buildStatus = STATUS.INITIAL
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// Stop watching on nuxt.close()
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if (this.options.dev) {
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this.nuxt.hook('close', () => this.unwatch())
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} else {
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this.nuxt.hook('build:done', () => this.generateConfig())
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}
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}
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get plugins() {
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return _.uniqBy(this.options.plugins.map((p, i) => {
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if (typeof p === 'string') p = { src: p }
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const pluginBaseName = basename(p.src, extname(p.src)).replace(/[^a-zA-Z?\d\s:]/g, '')
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return {
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src: this.nuxt.resolvePath(p.src),
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ssr: (p.ssr !== false),
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name: 'nuxt_plugin_' + pluginBaseName + '_' + hash(p.src)
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}
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}), p => p.name)
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}
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vendor() {
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return [
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'vue',
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'vue-router',
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'vue-meta',
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this.options.store && 'vuex'
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].concat(this.options.build.vendor).filter(v => v)
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}
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vendorEntries() {
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// Used for dll
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const vendor = this.vendor()
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const vendorEntries = {}
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vendor.forEach(v => {
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try {
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require.resolve(v)
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vendorEntries[v] = [ v ]
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} catch (e) {
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// Ignore
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}
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})
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return vendorEntries
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}
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forGenerate() {
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this.isStatic = true
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}
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async build() {
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// Avoid calling build() method multiple times when dev:true
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/* istanbul ignore if */
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if (this._buildStatus === STATUS.BUILD_DONE && this.options.dev) {
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return this
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}
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// If building
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/* istanbul ignore if */
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if (this._buildStatus === STATUS.BUILDING) {
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await waitFor(1000)
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return this.build()
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}
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this._buildStatus = STATUS.BUILDING
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// Wait for nuxt ready
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await this.nuxt.ready()
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// Call before hook
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await this.nuxt.callHook('build:before', this, this.options.build)
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// Map postcss plugins into instances on object mode once
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if (isPureObject(this.options.build.postcss)) {
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if (isPureObject(this.options.build.postcss.plugins)) {
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this.options.build.postcss.plugins = Object.keys(this.options.build.postcss.plugins)
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.map(p => {
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const plugin = require(this.nuxt.resolvePath(p))
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const opts = this.options.build.postcss.plugins[p]
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if (opts === false) return // Disabled
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const instance = plugin(opts)
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return instance
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}).filter(e => e)
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}
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}
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// Check if pages dir exists and warn if not
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this._nuxtPages = typeof this.options.build.createRoutes !== 'function'
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if (this._nuxtPages) {
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if (!existsSync(join(this.options.srcDir, 'pages'))) {
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let dir = this.options.srcDir
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if (existsSync(join(this.options.srcDir, '..', 'pages'))) {
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throw new Error(`No \`pages\` directory found in ${dir}. Did you mean to run \`nuxt\` in the parent (\`../\`) directory?`)
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} else {
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throw new Error(`Couldn't find a \`pages\` directory in ${dir}. Please create one under the project root`)
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}
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}
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}
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debug(`App root: ${this.options.srcDir}`)
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debug(`Generating ${this.options.buildDir} files...`)
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// Create .nuxt/, .nuxt/components and .nuxt/dist folders
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await remove(r(this.options.buildDir))
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await mkdirp(r(this.options.buildDir, 'components'))
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if (!this.options.dev) {
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await mkdirp(r(this.options.buildDir, 'dist'))
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}
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// Generate routes and interpret the template files
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await this.generateRoutesAndFiles()
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// Start webpack build
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await this.webpackBuild()
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// Flag to set that building is done
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this._buildStatus = STATUS.BUILD_DONE
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// Call done hook
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await this.nuxt.callHook('build:done', this)
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return this
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}
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getBabelOptions({ isServer }) {
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const options = _.defaults({}, {
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babelrc: false,
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cacheDirectory: !!this.options.dev
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}, this.options.build.babel)
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if (typeof options.presets === 'function') {
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options.presets = options.presets({ isServer })
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}
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if (!options.babelrc && !options.presets) {
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options.presets = [
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[
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require.resolve('babel-preset-vue-app'),
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{
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targets: isServer ? { node: '8.0.0' } : { ie: 9, uglify: true }
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}
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]
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]
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}
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return options
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}
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getFileName(name) {
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let fileName = this.options.build.filenames[name]
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// Don't use hashes when watching
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// https://github.com/webpack/webpack/issues/1914#issuecomment-174171709
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if (this.options.dev) {
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fileName = fileName.replace(/\[(chunkhash|contenthash|hash)\]\./g, '')
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}
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return fileName
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}
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async generateRoutesAndFiles() {
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debug('Generating files...')
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// -- Templates --
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let templatesFiles = [
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'App.js',
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'client.js',
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'index.js',
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'middleware.js',
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'router.js',
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'server.js',
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'utils.js',
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'empty.js',
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'components/nuxt-error.vue',
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'components/nuxt-loading.vue',
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'components/nuxt-child.js',
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'components/nuxt-link.js',
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'components/nuxt.js',
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'components/no-ssr.js',
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'views/app.template.html',
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'views/error.html'
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]
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const templateVars = {
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options: this.options,
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messages: this.options.messages,
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uniqBy: _.uniqBy,
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isDev: this.options.dev,
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debug: this.options.debug,
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mode: this.options.mode,
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router: this.options.router,
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env: this.options.env,
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head: this.options.head,
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middleware: existsSync(join(this.options.srcDir, 'middleware')),
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store: this.options.store,
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css: this.options.css,
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plugins: this.plugins,
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appPath: './App.js',
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layouts: Object.assign({}, this.options.layouts),
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loading: typeof this.options.loading === 'string' ? this.relativeToBuild(this.options.srcDir, this.options.loading) : this.options.loading,
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transition: this.options.transition,
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layoutTransition: this.options.layoutTransition,
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components: {
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ErrorPage: this.options.ErrorPage ? this.relativeToBuild(this.options.ErrorPage) : null
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}
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}
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// -- Layouts --
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if (existsSync(resolve(this.options.srcDir, 'layouts'))) {
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const layoutsFiles = await glob('layouts/**/*.{vue,js}', { cwd: this.options.srcDir })
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let hasErrorLayout = false
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layoutsFiles.forEach((file) => {
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let name = file.split('/').slice(1).join('/').replace(/\.(vue|js)$/, '')
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if (name === 'error') {
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hasErrorLayout = true
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return
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}
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if (!templateVars.layouts[name] || /\.vue$/.test(file)) {
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templateVars.layouts[name] = this.relativeToBuild(this.options.srcDir, file)
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}
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})
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if (!templateVars.components.ErrorPage && hasErrorLayout) {
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templateVars.components.ErrorPage = this.relativeToBuild(this.options.srcDir, 'layouts/error.vue')
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}
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}
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// If no default layout, create its folder and add the default folder
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if (!templateVars.layouts.default) {
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await mkdirp(r(this.options.buildDir, 'layouts'))
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templatesFiles.push('layouts/default.vue')
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templateVars.layouts.default = './layouts/default.vue'
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}
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// -- Routes --
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debug('Generating routes...')
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// If user defined a custom method to create routes
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if (this._nuxtPages) {
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// Use nuxt.js createRoutes bases on pages/
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const files = {};
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(await glob('pages/**/*.{vue,js}', { cwd: this.options.srcDir })).forEach(f => {
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const key = f.replace(/\.(js|vue)$/, '')
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if (/\.vue$/.test(f) || !files[key]) {
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files[key] = f
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}
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})
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templateVars.router.routes = createRoutes(Object.values(files), this.options.srcDir)
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} else {
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templateVars.router.routes = this.options.build.createRoutes(this.options.srcDir)
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}
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await this.nuxt.callHook('build:extendRoutes', templateVars.router.routes, r)
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// router.extendRoutes method
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if (typeof this.options.router.extendRoutes === 'function') {
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// let the user extend the routes
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const extendedRoutes = this.options.router.extendRoutes(templateVars.router.routes, r)
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// Only overwrite routes when something is returned for backwards compatibility
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if (extendedRoutes !== undefined) {
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templateVars.router.routes = extendedRoutes
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}
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}
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// Make routes accessible for other modules and webpack configs
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this.routes = templateVars.router.routes
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// -- Store --
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// Add store if needed
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if (this.options.store) {
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templatesFiles.push('store.js')
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}
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// Resolve template files
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const customTemplateFiles = this.options.build.templates.map(t => t.dst || basename(t.src || t))
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templatesFiles = templatesFiles.map(file => {
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// Skip if custom file was already provided in build.templates[]
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if (customTemplateFiles.indexOf(file) !== -1) {
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return
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}
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// Allow override templates using a file with same name in ${srcDir}/app
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const customPath = r(this.options.srcDir, 'app', file)
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const customFileExists = existsSync(customPath)
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return {
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src: customFileExists
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? customPath
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: r(this.options.nuxtAppDir, file),
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dst: file,
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custom: customFileExists
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}
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}).filter(i => !!i)
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// -- Custom templates --
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// Add custom template files
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templatesFiles = templatesFiles.concat(this.options.build.templates.map(t => {
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return Object.assign({
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src: r(this.options.srcDir, t.src || t),
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dst: t.dst || basename(t.src || t),
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custom: true
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}, t)
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}))
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// -- Loading indicator --
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if (this.options.loadingIndicator.name) {
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const indicatorPath1 = resolve(this.options.nuxtAppDir, 'views/loading', this.options.loadingIndicator.name + '.html')
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const indicatorPath2 = this.nuxt.resolvePath(this.options.loadingIndicator.name)
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const indicatorPath = existsSync(indicatorPath1) ? indicatorPath1 : (existsSync(indicatorPath2) ? indicatorPath2 : null)
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if (indicatorPath) {
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templatesFiles.push({
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src: indicatorPath,
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dst: 'loading.html',
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options: this.options.loadingIndicator
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})
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} else {
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/* istanbul ignore next */
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console.error(`Could not fetch loading indicator: ${this.options.loadingIndicator.name}`) // eslint-disable-line no-console
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}
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}
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await this.nuxt.callHook('build:templates', { templatesFiles, templateVars, resolve: r })
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// Interpret and move template files to .nuxt/
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await Promise.all(templatesFiles.map(async ({ src, dst, options, custom }) => {
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// Add template to watchers
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this.options.build.watch.push(src)
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// Render template to dst
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const fileContent = await readFile(src, 'utf8')
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let content
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try {
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const template = _.template(fileContent, {
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imports: {
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serialize,
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hash,
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r,
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wp,
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wChunk,
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resolvePath: this.nuxt.resolvePath.bind(this.nuxt),
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relativeToBuild: this.relativeToBuild
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}
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})
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content = template(Object.assign({}, templateVars, {
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options: options || {},
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custom,
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src,
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dst
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}))
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} catch (err) {
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/* istanbul ignore next */
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throw new Error(`Could not compile template ${src}: ${err.message}`)
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}
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const path = r(this.options.buildDir, dst)
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// Ensure parent dir exits
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await mkdirp(dirname(path))
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// Write file
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await writeFile(path, content, 'utf8')
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}))
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}
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async webpackBuild() {
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debug('Building files...')
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const compilersOptions = []
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// Client
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const clientConfig = clientWebpackConfig.call(this)
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compilersOptions.push(clientConfig)
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// Server
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let serverConfig = null
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if (this.options.build.ssr) {
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serverConfig = serverWebpackConfig.call(this)
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compilersOptions.push(serverConfig)
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}
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// Alias plugins to their real path
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this.plugins.forEach(p => {
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const src = this.relativeToBuild(p.src)
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// Client config
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if (!clientConfig.resolve.alias[p.name]) {
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clientConfig.resolve.alias[p.name] = src
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}
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// Server config
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if (serverConfig && !serverConfig.resolve.alias[p.name]) {
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// Alias to noop for ssr:false plugins
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serverConfig.resolve.alias[p.name] = p.ssr ? src : './empty.js'
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}
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})
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// Make a dll plugin after compile to make nuxt dev builds faster
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if (this.options.build.dll && this.options.dev) {
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compilersOptions.push(dllWebpackConfig.call(this, clientConfig))
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}
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// Initialize shared FS and Cache
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const sharedFS = this.options.dev && new MFS()
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const sharedCache = {}
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// Initialize compilers
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this.compilers = compilersOptions.map(compilersOption => {
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const compiler = webpack(compilersOption)
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// In dev, write files in memory FS (except for DLL)
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if (sharedFS && !compiler.name.includes('-dll')) {
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compiler.outputFileSystem = sharedFS
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}
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compiler.cache = sharedCache
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return compiler
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})
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// Start Builds
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await sequence(this.compilers, (compiler) => new Promise(async (resolve, reject) => {
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const name = compiler.options.name
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await this.nuxt.callHook('build:compile', { name, compiler })
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// Resolve only when compiler emit done event
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compiler.plugin('done', async (stats) => {
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await this.nuxt.callHook('build:compiled', { name, compiler, stats })
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// Reload renderer if available
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this.nuxt.renderer.loadResources(sharedFS || require('fs'))
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// Resolve on next tick
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process.nextTick(resolve)
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})
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// --- Dev Build ---
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if (this.options.dev) {
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// Client Build, watch is started by dev-middleware
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if (compiler.options.name === 'client') {
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return this.webpackDev(compiler)
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}
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// DLL build, should run only once
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if (compiler.options.name.includes('-dll')) {
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compiler.run((err, stats) => {
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if (err) return reject(err)
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debug('[DLL] updated')
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})
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return
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}
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// Server, build and watch for changes
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this.compilersWatching.push(
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compiler.watch(this.options.watchers.webpack, (err) => {
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/* istanbul ignore if */
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if (err) return reject(err)
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// not keep modified or deleted items in Vue.prototype
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Object.keys(require.cache).forEach(key => {
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if (!/(node_modules\/postcss)|(\.node$)/.test(key)) {
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rmCache(key)
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}
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})
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})
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)
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return
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}
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// --- Production Build ---
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compiler.run((err, stats) => {
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/* istanbul ignore if */
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if (err) {
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console.error(err) // eslint-disable-line no-console
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return reject(err)
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}
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|
|
// Show build stats for production
|
|
console.log(stats.toString(this.webpackStats)) // eslint-disable-line no-console
|
|
|
|
/* istanbul ignore if */
|
|
if (stats.hasErrors()) {
|
|
return reject(new Error('Webpack build exited with errors'))
|
|
}
|
|
})
|
|
}))
|
|
}
|
|
|
|
webpackDev(compiler) {
|
|
debug('Adding webpack middleware...')
|
|
|
|
// Create webpack dev middleware
|
|
this.webpackDevMiddleware = promisify(webpackDevMiddleware(compiler, Object.assign({
|
|
publicPath: this.options.build.publicPath,
|
|
stats: this.webpackStats,
|
|
noInfo: true,
|
|
quiet: true,
|
|
watchOptions: this.options.watchers.webpack
|
|
}, this.options.build.devMiddleware)))
|
|
|
|
this.webpackDevMiddleware.close = promisify(this.webpackDevMiddleware.close)
|
|
|
|
this.webpackHotMiddleware = promisify(webpackHotMiddleware(compiler, Object.assign({
|
|
log: false,
|
|
heartbeat: 10000
|
|
}, this.options.build.hotMiddleware)))
|
|
|
|
// Inject to renderer instance
|
|
if (this.nuxt.renderer) {
|
|
this.nuxt.renderer.webpackDevMiddleware = this.webpackDevMiddleware
|
|
this.nuxt.renderer.webpackHotMiddleware = this.webpackHotMiddleware
|
|
}
|
|
|
|
// Start watching files
|
|
this.watchFiles()
|
|
}
|
|
|
|
watchFiles() {
|
|
const src = this.options.srcDir
|
|
const patterns = [
|
|
r(src, 'layouts'),
|
|
r(src, 'store'),
|
|
r(src, 'middleware'),
|
|
r(src, 'layouts/*.{vue,js}'),
|
|
r(src, 'layouts/**/*.{vue,js}')
|
|
]
|
|
if (this._nuxtPages) {
|
|
patterns.push(
|
|
r(src, 'pages'),
|
|
r(src, 'pages/*.{vue,js}'),
|
|
r(src, 'pages/**/*.{vue,js}')
|
|
)
|
|
}
|
|
const options = Object.assign({}, this.options.watchers.chokidar, {
|
|
ignoreInitial: true
|
|
})
|
|
/* istanbul ignore next */
|
|
const refreshFiles = _.debounce(() => this.generateRoutesAndFiles(), 200)
|
|
|
|
// Watch for src Files
|
|
this.filesWatcher = chokidar.watch(patterns, options)
|
|
.on('add', refreshFiles)
|
|
.on('unlink', refreshFiles)
|
|
|
|
// Watch for custom provided files
|
|
this.customFilesWatcher = chokidar.watch(_.uniq(this.options.build.watch), options)
|
|
.on('change', refreshFiles)
|
|
}
|
|
|
|
async unwatch() {
|
|
if (this.filesWatcher) {
|
|
this.filesWatcher.close()
|
|
}
|
|
|
|
if (this.customFilesWatcher) {
|
|
this.customFilesWatcher.close()
|
|
}
|
|
|
|
this.compilersWatching.forEach(watching => watching.close())
|
|
|
|
// Stop webpack middleware
|
|
await this.webpackDevMiddleware.close()
|
|
}
|
|
|
|
async generateConfig() {
|
|
const config = resolve(this.options.buildDir, 'build.config.js')
|
|
const options = _.omit(this.options, Options.unsafeKeys)
|
|
await writeFile(config, `module.exports = ${JSON.stringify(options, null, ' ')}`, 'utf8')
|
|
}
|
|
}
|
|
|
|
const STATUS = {
|
|
INITIAL: 1,
|
|
BUILD_DONE: 2,
|
|
BUILDING: 3
|
|
}
|