Nuxt/packages/core/src/nuxt.js

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import { isPlainObject } from 'lodash'
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import consola from 'consola'
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import Hookable from 'hable'
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import { defineAlias } from '@nuxt/utils'
import { getNuxtConfig } from '@nuxt/config'
import { Server } from '@nuxt/server'
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import { version } from '../package.json'
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import ModuleContainer from './module'
import Resolver from './resolver'
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export default class Nuxt extends Hookable {
constructor (options = {}) {
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super(consola)
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// Assign options and apply defaults
this.options = getNuxtConfig(options)
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// Create instance of core components
this.resolver = new Resolver(this)
this.moduleContainer = new ModuleContainer(this)
// Deprecated hooks
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this.deprecateHooks({
// #3294 - 7514db73b25c23b8c14ebdafbb4e129ac282aabd
'render:context': {
to: '_render:context',
message: '`render:context(nuxt)` is deprecated, Please use `vue-renderer:ssr:context(context)`'
},
// #3773
'render:routeContext': {
to: '_render:context',
message: '`render:routeContext(nuxt)` is deprecated, Please use `vue-renderer:ssr:context(context)`'
},
showReady: 'webpack:done',
// Introduced in 2.13
'export:done': 'generate:done',
'export:before': 'generate:before',
'export:extendRoutes': 'generate:extendRoutes',
'export:distRemoved': 'generate:distRemoved',
'export:distCopied': 'generate:distCopied',
'export:route': 'generate:route',
'export:routeFailed': 'generate:routeFailed',
'export:page': 'generate:page',
'export:routeCreated': 'generate:routeCreated'
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})
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// Add Legacy aliases
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defineAlias(this, this.resolver, ['resolveAlias', 'resolvePath'])
this.showReady = () => { this.callHook('webpack:done') }
// Init server
if (this.options.server !== false) {
this._initServer()
}
// Call ready
if (this.options._ready !== false) {
this.ready().catch((err) => {
consola.fatal(err)
})
}
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}
static get version () {
return `v${version}` + (global.__NUXT_DEV__ ? '-development' : '')
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}
ready () {
if (!this._ready) {
this._ready = this._init()
}
return this._ready
}
async _init () {
if (this._initCalled) {
return this
}
this._initCalled = true
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// Add hooks
if (isPlainObject(this.options.hooks)) {
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this.addHooks(this.options.hooks)
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} else if (typeof this.options.hooks === 'function') {
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this.options.hooks(this.hook)
}
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// Await for modules
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await this.moduleContainer.ready()
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// Await for server to be ready
if (this.server) {
await this.server.ready()
}
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// Call ready hook
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await this.callHook('ready', this)
return this
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}
_initServer () {
if (this.server) {
return
}
this.server = new Server(this)
this.renderer = this.server
this.render = this.server.app
defineAlias(this, this.server, ['renderRoute', 'renderAndGetWindow', 'listen'])
}
async close (callback) {
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await this.callHook('close', this)
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if (typeof callback === 'function') {
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await callback()
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}
this.clearHooks()
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}
}