mirror of
https://github.com/nuxt/nuxt.git
synced 2024-11-06 06:03:58 +00:00
241 lines
8.8 KiB
JavaScript
241 lines
8.8 KiB
JavaScript
'use strict'
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require('es6-object-assign').polyfill()
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import 'es6-promise/auto'
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import Vue from 'vue'
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import { app, router<%= (store ? ', store' : '') %> } from './index'
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import { getMatchedComponents, flatMapComponents, getContext, promisify, getLocation } from './utils'
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const noopData = () => { return {} }
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const noopFetch = () => {}
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function loadAsyncComponents (to, ___, next) {
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const resolveComponents = flatMapComponents(to, (Component, _, match, key) => {
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if (typeof Component === 'function' && !Component.options) {
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return new Promise(function (resolve, reject) {
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const _resolve = (Component) => {
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// console.log('Component loaded', Component, match.path, key)
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if (!Component.options) {
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Component = Vue.extend(Component) // fix issue #6
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Component._Ctor = Component
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} else {
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Component._Ctor = Component
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Component.extendOptions = Component.options
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}
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match.components[key] = Component
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resolve(Component)
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}
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Component().then(_resolve).catch(reject)
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})
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}
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if (typeof Component === 'object' && !Component.options) {
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// Updated via vue-router resolveAsyncComponents()
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Component = Vue.extend(Component)
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Component._Ctor = Component
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match.components[key] = Component
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}
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return Component
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})
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<%= (loading ? 'this.$loading.start && this.$loading.start()' : '') %>
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Promise.all(resolveComponents)
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.then(() => next())
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.catch((err) => {
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this.error({ statusCode: 500, message: err.message })
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next(false)
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})
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}
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function render (to, ___, next) {
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let Components = getMatchedComponents(to)
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if (!Components.length) {
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this.error({ statusCode: 404, message: 'This page could not be found.', url: to.path })
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return next()
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}
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// console.log('Load components', Components, to.path)
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// Update ._data and other properties if hot reloaded
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Components.forEach(function (Component) {
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if (!Component._data) {
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Component._data = Component.options.data || noopData
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}
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if (Component._Ctor && Component._Ctor.options && Component._dataFn) {
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Component.options.fetch = Component._Ctor.options.fetch
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const originalDataFn = Component._data.toString().replace(/\s/g, '')
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const dataFn = Component._dataFn
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const newDataFn = (Component._Ctor.options.data || noopData).toString().replace(/\s/g, '')
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// If component data method changed
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if (newDataFn !== originalDataFn && newDataFn !== dataFn) {
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Component._data = Component._Ctor.options.data || noopData
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}
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}
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})
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this.error()
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let nextCalled = false
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Promise.all(Components.map((Component) => {
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let promises = []
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const _next = function (path) {
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<%= (loading ? 'this.$loading.finish && this.$loading.finish()' : '') %>
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nextCalled = true
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next(path)
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}
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const context = getContext({ to<%= (store ? ', store' : '') %>, isClient: true, next: _next.bind(this), error: this.error.bind(this) })
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if (Component._data && typeof Component._data === 'function') {
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var promise = promisify(Component._data, context)
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promise.then((data) => {
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Component.options.data = () => data || {}
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Component._dataFn = Component.options.data.toString().replace(/\s/g, '')
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if (Component._Ctor && Component._Ctor.options) {
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Component._Ctor.options.data = Component.options.data
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}
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<%= (loading ? 'this.$loading.increase && this.$loading.increase(30)' : '') %>
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})
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promises.push(promise)
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}
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if (Component.options.fetch) {
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var p = Component.options.fetch(context)
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if (!(p instanceof Promise)) { p = Promise.resolve(p) }
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<%= (loading ? 'p.then(() => this.$loading.increase && this.$loading.increase(30))' : '') %>
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promises.push(p)
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}
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return Promise.all(promises)
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}))
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.then(() => {
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<%= (loading ? 'this.$loading.finish && this.$loading.finish()' : '') %>
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// If not redirected
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if (!nextCalled) {
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next()
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}
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})
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.catch((error) => {
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this.error(error)
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next(false)
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})
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}
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// Special hot reload with data(context)
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function hotReloadAPI (_app) {
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var _forceUpdate = _app.$forceUpdate.bind(_app)
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_app.$forceUpdate = function () {
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let Component = getMatchedComponents(router.currentRoute)[0]
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if (!Component) return _forceUpdate()
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if (typeof Component === 'object' && !Component.options) {
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// Updated via vue-router resolveAsyncComponents()
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Component = Vue.extend(Component)
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Component._Ctor = Component
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}
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<%= (loading ? 'this.$loading.start && this.$loading.start()' : '') %>
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let promises = []
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const next = function (path) {
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<%= (loading ? 'this.$loading.finish && this.$loading.finish()' : '') %>
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router.push(path)
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}
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const context = getContext({ route: router.currentRoute<%= (store ? ', store' : '') %>, isClient: true, next: next.bind(this), error: _app.error.bind(_app) })
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// Check if data has been updated
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const originalDataFn = (Component._data || noopData).toString().replace(/\s/g, '')
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const newDataFn = (Component._Ctor.options.data || noopData).toString().replace(/\s/g, '')
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if (originalDataFn !== newDataFn) {
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Component._data = Component._Ctor.options.data || noopData
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let p = promisify(Component._data, context)
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p.then((data) => {
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Component.options.data = () => data || {}
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Component._dataFn = Component.options.data.toString().replace(/\s/g, '')
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Component._Ctor.options.data = Component.options.data
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<%= (loading ? 'this.$loading.increase && this.$loading.increase(30)' : '') %>
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})
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promises.push(p)
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}
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// Check if fetch has been updated
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const originalFetchFn = (Component.options.fetch || noopFetch).toString().replace(/\s/g, '')
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const newFetchFn = (Component._Ctor.options.fetch || noopFetch).toString().replace(/\s/g, '')
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// Fetch has been updated, we call it to update the store
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if (originalFetchFn !== newFetchFn) {
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Component.options.fetch = Component._Ctor.options.fetch || noopFetch
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let p = Component.options.fetch(context)
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if (!(p instanceof Promise)) { p = Promise.resolve(p) }
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<%= (loading ? 'p.then(() => this.$loading.increase && this.$loading.increase(30))' : '') %>
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promises.push(p)
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}
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return Promise.all(promises).then(() => {
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<%= (loading ? 'this.$loading.finish && this.$loading.finish()' : '') %>
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_forceUpdate()
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})
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}
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}
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// Load vue app
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const NUXT = window.__NUXT__ || {}
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if (!NUXT) {
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throw new Error('[nuxt.js] cannot find the global variable __NUXT__, make sure the server is working.')
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}
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<% if (store) { %>
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// Replace store state
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if (NUXT.state) {
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store.replaceState(NUXT.state)
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}
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<% } %>
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// Get matched components
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const path = getLocation(router.options.base)
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const resolveComponents = flatMapComponents(router.match(path), (Component, _, match, key, index) => {
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if (typeof Component === 'function' && !Component.options) {
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return new Promise(function (resolve, reject) {
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const _resolve = (Component) => {
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if (!Component.options) {
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Component = Vue.extend(Component) // fix issue #6
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Component._Ctor = Component
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} else {
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Component._Ctor = Component
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Component.extendOptions = Component.options
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}
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if (Component.options.data && typeof Component.options.data === 'function') {
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Component._data = Component.options.data
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if (NUXT.serverRendered) {
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Component.options.data = () => NUXT.data[index] || {}
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Component._dataFn = Component.options.data.toString().replace(/\s/g, '')
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}
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if (Component._Ctor && Component._Ctor.options) {
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Component._Ctor.options.data = Component.options.data
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}
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}
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match.components[key] = Component
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resolve(Component)
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}
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Component().then(_resolve).catch(reject)
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})
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}
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return Component
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})
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Promise.all(resolveComponents)
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.then((Components) => {
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const _app = new Vue(app)
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const mountApp = () => _app.$mount('#__nuxt')
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const onNuxtReady = window.onNuxtReady || function () {}
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if (NUXT.error) _app.error(NUXT.error)
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if (module.hot) hotReloadAPI(_app)
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// Add router hooks
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router.beforeEach(loadAsyncComponents.bind(_app))
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router.beforeEach(render.bind(_app))
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if (NUXT.serverRendered) {
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mountApp()
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// Call window.onModulesLoaded for jsdom testing (https://github.com/tmpvar/jsdom#dealing-with-asynchronous-script-loading)
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onNuxtReady(_app)
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return
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}
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render.call(_app, router.currentRoute, router.currentRoute, function (path) {
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if (path) {
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let mounted = false
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router.afterEach(function () {
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if (mounted) return
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mounted = true
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mountApp()
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onNuxtReady(_app)
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})
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router.push(path)
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return
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}
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mountApp()
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onNuxtReady(_app)
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})
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})
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.catch((err) => {
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console.error('[nuxt.js] Cannot load components', err)
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})
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