mirror of https://github.com/nuxt/nuxt.git
666 lines
19 KiB
JavaScript
666 lines
19 KiB
JavaScript
import util from 'util'
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import path from 'path'
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import fs from 'fs'
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import _ from 'lodash'
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import chokidar from 'chokidar'
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import fsExtra from 'fs-extra'
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import hash from 'hash-sum'
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import webpack from 'webpack'
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import serialize from 'serialize-javascript'
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import MFS from 'memory-fs'
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import webpackDevMiddleware from 'webpack-dev-middleware'
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import webpackHotMiddleware from 'webpack-hot-middleware'
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import Debug from 'debug'
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import Glob from 'glob'
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import upath from 'upath'
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import { r, wp, wChunk, createRoutes, parallel, relativeTo, waitFor, createSpinner } from '../common/utils'
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import Options from '../common/options'
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import clientWebpackConfig from './webpack/client.config'
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import serverWebpackConfig from './webpack/server.config'
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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 = util.promisify(Glob)
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export default 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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this.spinner = createSpinner()
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this.spinner.enabled = !this.options.test
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// Mute stats on dev
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this.webpackStats = this.options.dev ? false : this.options.build.stats
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// Helper to resolve build paths
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this.relativeToBuild = (...args) =>
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relativeTo(this.options.buildDir, ...args)
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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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}
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// else {
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// TODO: enable again when unsafe concern resolved.(common/options.js:42)
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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(
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this.options.plugins.map((p, i) => {
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if (typeof p === 'string') p = { src: p }
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const pluginBaseName = path.basename(p.src, path.extname(p.src)).replace(
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/[^a-zA-Z?\d\s:]/g,
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''
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)
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return {
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src: this.nuxt.resolveAlias(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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}),
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p => p.name
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)
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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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this.spinner.start('Initializing builder')
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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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// 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 (!fsExtra.existsSync(path.join(this.options.srcDir, this.options.dir.pages))) {
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let dir = this.options.srcDir
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if (fsExtra.existsSync(path.join(this.options.srcDir, '..', this.options.dir.pages))) {
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throw new Error(
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`No \`${this.options.dir.pages}\` directory found in ${dir}. Did you mean to run \`nuxt\` in the parent (\`../\`) directory?`
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)
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} else {
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throw new Error(
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`Couldn't find a \`${this.options.dir.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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}
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this.spinner.succeed('Builder initialized')
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debug(`App root: ${this.options.srcDir}`)
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// Create .nuxt/, .nuxt/components and .nuxt/dist folders
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await fsExtra.remove(r(this.options.buildDir))
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await fsExtra.mkdirp(r(this.options.buildDir, 'components'))
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if (!this.options.dev) {
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await fsExtra.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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this.spinner.info('Starting webpack...')
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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 = _.clone(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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'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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this.spinner.start(`Generating nuxt 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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extensions: this.options.extensions
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.map(ext => ext.replace(/^\./, ''))
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.join('|'),
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messages: this.options.messages,
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splitChunks: this.options.build.splitChunks,
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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: fsExtra.existsSync(path.join(this.options.srcDir, this.options.dir.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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ignorePrefix: this.options.ignorePrefix,
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layouts: Object.assign({}, this.options.layouts),
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loading:
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typeof this.options.loading === 'string'
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? this.relativeToBuild(this.options.srcDir, this.options.loading)
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: this.options.loading,
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transition: this.options.transition,
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layoutTransition: this.options.layoutTransition,
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dir: this.options.dir,
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components: {
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ErrorPage: this.options.ErrorPage
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? this.relativeToBuild(this.options.ErrorPage)
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: null
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}
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}
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// -- Layouts --
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if (fsExtra.existsSync(path.resolve(this.options.srcDir, this.options.dir.layouts))) {
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const layoutsFiles = await glob(`${this.options.dir.layouts}/**/*.{vue,js}`, {
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cwd: this.options.srcDir,
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ignore: this.options.ignore
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})
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let hasErrorLayout = false
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layoutsFiles.forEach(file => {
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let name = file
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.split('/')
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.slice(1)
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.join('/')
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.replace(/\.(vue|js)$/, '')
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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$/.test(file)) {
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templateVars.layouts[name] = this.relativeToBuild(
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this.options.srcDir,
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file
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)
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}
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})
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if (!templateVars.components.ErrorPage && hasErrorLayout) {
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templateVars.components.ErrorPage = this.relativeToBuild(
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this.options.srcDir,
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`${this.options.dir.layouts}/error.vue`
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)
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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 fsExtra.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(`${this.options.dir.pages}/**/*.{vue,js}`, {
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cwd: this.options.srcDir,
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ignore: this.options.ignore
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})).forEach(f => {
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const key = f.replace(/\.(js|vue)$/, '')
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if (/\.vue$/.test(f) || !files[key]) {
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files[key] = f.replace(/(['|"])/g, '\\$1')
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}
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})
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templateVars.router.routes = createRoutes(
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Object.values(files),
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this.options.srcDir,
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this.options.dir.pages
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)
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} else {
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templateVars.router.routes = this.options.build.createRoutes(
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this.options.srcDir
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)
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}
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await this.nuxt.callHook(
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'build:extendRoutes',
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templateVars.router.routes,
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r
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)
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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(
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templateVars.router.routes,
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r
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)
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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(
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t => t.dst || path.basename(t.src || t)
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)
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templatesFiles = templatesFiles
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.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 = fsExtra.existsSync(customPath)
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return {
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src: customFileExists ? customPath : 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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})
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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(
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this.options.build.templates.map(t => {
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return Object.assign(
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{
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src: r(this.options.srcDir, t.src || t),
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dst: t.dst || path.basename(t.src || t),
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custom: true
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},
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t
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)
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})
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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 = path.resolve(
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this.options.nuxtAppDir,
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'views/loading',
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this.options.loadingIndicator.name + '.html'
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)
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const indicatorPath2 = this.nuxt.resolveAlias(
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this.options.loadingIndicator.name
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)
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const indicatorPath = fsExtra.existsSync(indicatorPath1)
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? indicatorPath1
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: fsExtra.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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// eslint-disable-next-line no-console
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console.error(
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`Could not fetch loading indicator: ${
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this.options.loadingIndicator.name
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}`
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)
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}
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}
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await this.nuxt.callHook('build:templates', {
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templatesFiles,
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templateVars,
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resolve: r
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})
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// Interpret and move template files to .nuxt/
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await Promise.all(
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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 fsExtra.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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resolveAlias: this.nuxt.resolveAlias.bind(this.nuxt),
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relativeToBuild: this.relativeToBuild
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}
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})
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content = template(
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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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)
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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 fsExtra.mkdirp(path.dirname(_path))
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// Write file
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await fsExtra.writeFile(_path, content, 'utf8')
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})
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)
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this.spinner.succeed('Nuxt files generated')
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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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// Initialize shared FS and Cache
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const sharedFS = this.options.dev && new MFS()
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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
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if (sharedFS) {
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compiler.outputFileSystem = sharedFS
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}
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return compiler
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})
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// Start Builds
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await parallel(
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this.compilers,
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compiler =>
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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.hooks.done.tap('load-resources', async stats => {
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await this.nuxt.callHook('build:compiled', {
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name,
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compiler,
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stats
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})
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// Reload renderer if available
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this.nuxt.renderer.loadResources(sharedFS || 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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// 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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})
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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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resolve()
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})
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})
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)
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}
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webpackDev(compiler) {
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debug('Adding webpack middleware...')
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// Create webpack dev middleware
|
|
this.webpackDevMiddleware = util.promisify(
|
|
webpackDevMiddleware(
|
|
compiler,
|
|
Object.assign(
|
|
{
|
|
publicPath: this.options.build.publicPath,
|
|
stats: this.webpackStats,
|
|
logLevel: 'silent',
|
|
watchOptions: this.options.watchers.webpack
|
|
},
|
|
this.options.build.devMiddleware
|
|
)
|
|
)
|
|
)
|
|
|
|
this.webpackDevMiddleware.close = util.promisify(this.webpackDevMiddleware.close)
|
|
|
|
this.webpackHotMiddleware = util.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
|
|
let patterns = [
|
|
r(src, this.options.dir.layouts),
|
|
r(src, this.options.dir.store),
|
|
r(src, this.options.dir.middleware),
|
|
r(src, `${this.options.dir.layouts}/*.{vue,js}`),
|
|
r(src, `${this.options.dir.layouts}/**/*.{vue,js}`)
|
|
]
|
|
if (this._nuxtPages) {
|
|
patterns.push(
|
|
r(src, this.options.dir.pages),
|
|
r(src, `${this.options.dir.pages}/*.{vue,js}`),
|
|
r(src, `${this.options.dir.pages}/**/*.{vue,js}`)
|
|
)
|
|
}
|
|
patterns = _.map(patterns, p => upath.normalizeSafe(p))
|
|
|
|
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
|
|
let customPatterns = _.concat(
|
|
this.options.build.watch,
|
|
..._.values(_.omit(this.options.build.styleResources, ['options']))
|
|
)
|
|
customPatterns = _.map(_.uniq(customPatterns), p =>
|
|
upath.normalizeSafe(p)
|
|
)
|
|
this.customFilesWatcher = chokidar
|
|
.watch(customPatterns, 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()
|
|
}
|
|
|
|
// TODO: remove ignore when generateConfig enabled again
|
|
async generateConfig() /* istanbul ignore next */ {
|
|
const config = path.resolve(this.options.buildDir, 'build.config.js')
|
|
const options = _.omit(this.options, Options.unsafeKeys)
|
|
await fsExtra.writeFile(
|
|
config,
|
|
`export default ${JSON.stringify(options, null, ' ')}`,
|
|
'utf8'
|
|
)
|
|
}
|
|
}
|
|
|
|
const STATUS = {
|
|
INITIAL: 1,
|
|
BUILD_DONE: 2,
|
|
BUILDING: 3
|
|
}
|