mirror of
https://github.com/advplyr/audiobookshelf.git
synced 2024-12-20 19:06:06 +01:00
313 lines
9.2 KiB
JavaScript
313 lines
9.2 KiB
JavaScript
import Vue from 'vue'
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import { joinURL, normalizeURL, withQuery } from 'ufo'
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import fetch from 'node-fetch'
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import middleware from './middleware.js'
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import {
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applyAsyncData,
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middlewareSeries,
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sanitizeComponent,
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getMatchedComponents,
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promisify
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} from './utils.js'
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import fetchMixin from './mixins/fetch.server'
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import { createApp, NuxtError } from './index.js'
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import NuxtLink from './components/nuxt-link.server.js' // should be included after ./index.js
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// Update serverPrefetch strategy
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Vue.config.optionMergeStrategies.serverPrefetch = Vue.config.optionMergeStrategies.created
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// Fetch mixin
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if (!Vue.__nuxt__fetch__mixin__) {
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Vue.mixin(fetchMixin)
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Vue.__nuxt__fetch__mixin__ = true
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}
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if (!Vue.__original_use__) {
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Vue.__original_use__ = Vue.use
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Vue.__install_times__ = 0
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Vue.use = function (plugin, ...args) {
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plugin.__nuxt_external_installed__ = Vue._installedPlugins.includes(plugin)
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return Vue.__original_use__(plugin, ...args)
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}
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}
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if (Vue.__install_times__ === 2) {
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Vue.__install_times__ = 0
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Vue._installedPlugins = Vue._installedPlugins.filter(plugin => {
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return plugin.__nuxt_external_installed__ === true
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})
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}
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Vue.__install_times__++
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// Component: <NuxtLink>
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Vue.component(NuxtLink.name, NuxtLink)
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Vue.component('NLink', NuxtLink)
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if (!global.fetch) { global.fetch = fetch }
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const noopApp = () => new Vue({ render: h => h('div', { domProps: { id: '__nuxt' } }) })
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const createNext = ssrContext => (opts) => {
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// If static target, render on client-side
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ssrContext.redirected = opts
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if (ssrContext.target === 'static' || !ssrContext.res) {
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ssrContext.nuxt.serverRendered = false
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return
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}
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let fullPath = withQuery(opts.path, opts.query)
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const $config = ssrContext.runtimeConfig || {}
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const routerBase = ($config._app && $config._app.basePath) || '/'
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if (!fullPath.startsWith('http') && (routerBase !== '/' && !fullPath.startsWith(routerBase))) {
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fullPath = joinURL(routerBase, fullPath)
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}
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// Avoid loop redirect
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if (decodeURI(fullPath) === decodeURI(ssrContext.url)) {
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ssrContext.redirected = false
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return
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}
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ssrContext.res.writeHead(opts.status, {
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Location: normalizeURL(fullPath)
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})
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ssrContext.res.end()
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}
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// This exported function will be called by `bundleRenderer`.
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// This is where we perform data-prefetching to determine the
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// state of our application before actually rendering it.
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// Since data fetching is async, this function is expected to
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// return a Promise that resolves to the app instance.
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export default async (ssrContext) => {
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// Create ssrContext.next for simulate next() of beforeEach() when wanted to redirect
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ssrContext.redirected = false
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ssrContext.next = createNext(ssrContext)
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// Used for beforeNuxtRender({ Components, nuxtState })
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ssrContext.beforeRenderFns = []
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// Nuxt object (window.{{globals.context}}, defaults to window.__NUXT__)
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ssrContext.nuxt = { layout: 'default', data: [], fetch: {}, error: null, state: null, serverRendered: true, routePath: '' }
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ssrContext.fetchCounters = {}
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// Remove query from url is static target
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// Public runtime config
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ssrContext.nuxt.config = ssrContext.runtimeConfig.public
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if (ssrContext.nuxt.config._app) {
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__webpack_public_path__ = joinURL(ssrContext.nuxt.config._app.cdnURL, ssrContext.nuxt.config._app.assetsPath)
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}
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// Create the app definition and the instance (created for each request)
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const { app, router, store } = await createApp(ssrContext, ssrContext.runtimeConfig.private)
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const _app = new Vue(app)
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// Add ssr route path to nuxt context so we can account for page navigation between ssr and csr
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ssrContext.nuxt.routePath = app.context.route.path
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// Add meta infos (used in renderer.js)
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ssrContext.meta = _app.$meta()
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// Keep asyncData for each matched component in ssrContext (used in app/utils.js via this.$ssrContext)
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ssrContext.asyncData = {}
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const beforeRender = async () => {
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// Call beforeNuxtRender() methods
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await Promise.all(ssrContext.beforeRenderFns.map(fn => promisify(fn, { Components, nuxtState: ssrContext.nuxt })))
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ssrContext.rendered = () => {
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// Add the state from the vuex store
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ssrContext.nuxt.state = store.state
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}
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}
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const renderErrorPage = async () => {
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// Don't server-render the page in static target
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if (ssrContext.target === 'static') {
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ssrContext.nuxt.serverRendered = false
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}
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// Load layout for error page
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const layout = (NuxtError.options || NuxtError).layout
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const errLayout = typeof layout === 'function' ? layout.call(NuxtError, app.context) : layout
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ssrContext.nuxt.layout = errLayout || 'default'
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await _app.loadLayout(errLayout)
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_app.setLayout(errLayout)
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await beforeRender()
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return _app
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}
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const render404Page = () => {
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app.context.error({ statusCode: 404, path: ssrContext.url, message: 'This page could not be found' })
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return renderErrorPage()
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}
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const s = Date.now()
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// Components are already resolved by setContext -> getRouteData (app/utils.js)
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const Components = getMatchedComponents(app.context.route)
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/*
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** Dispatch store nuxtServerInit
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*/
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if (store._actions && store._actions.nuxtServerInit) {
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try {
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await store.dispatch('nuxtServerInit', app.context)
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} catch (err) {
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console.debug('Error occurred when calling nuxtServerInit: ', err.message)
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throw err
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}
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}
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// ...If there is a redirect or an error, stop the process
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if (ssrContext.redirected) {
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return noopApp()
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}
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if (ssrContext.nuxt.error) {
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return renderErrorPage()
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}
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/*
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** Call global middleware (nuxt.config.js)
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*/
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let midd = []
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midd = midd.map((name) => {
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if (typeof name === 'function') {
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return name
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}
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if (typeof middleware[name] !== 'function') {
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app.context.error({ statusCode: 500, message: 'Unknown middleware ' + name })
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}
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return middleware[name]
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})
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await middlewareSeries(midd, app.context)
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// ...If there is a redirect or an error, stop the process
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if (ssrContext.redirected) {
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return noopApp()
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}
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if (ssrContext.nuxt.error) {
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return renderErrorPage()
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}
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/*
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** Set layout
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*/
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let layout = Components.length ? Components[0].options.layout : NuxtError.layout
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if (typeof layout === 'function') {
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layout = layout(app.context)
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}
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await _app.loadLayout(layout)
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if (ssrContext.nuxt.error) {
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return renderErrorPage()
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}
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layout = _app.setLayout(layout)
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ssrContext.nuxt.layout = _app.layoutName
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/*
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** Call middleware (layout + pages)
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*/
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midd = []
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layout = sanitizeComponent(layout)
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if (layout.options.middleware) {
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midd = midd.concat(layout.options.middleware)
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}
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Components.forEach((Component) => {
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if (Component.options.middleware) {
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midd = midd.concat(Component.options.middleware)
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}
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})
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midd = midd.map((name) => {
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if (typeof name === 'function') {
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return name
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}
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if (typeof middleware[name] !== 'function') {
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app.context.error({ statusCode: 500, message: 'Unknown middleware ' + name })
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}
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return middleware[name]
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})
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await middlewareSeries(midd, app.context)
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// ...If there is a redirect or an error, stop the process
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if (ssrContext.redirected) {
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return noopApp()
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}
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if (ssrContext.nuxt.error) {
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return renderErrorPage()
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}
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/*
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** Call .validate()
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*/
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let isValid = true
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try {
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for (const Component of Components) {
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if (typeof Component.options.validate !== 'function') {
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continue
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}
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isValid = await Component.options.validate(app.context)
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if (!isValid) {
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break
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}
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}
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} catch (validationError) {
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// ...If .validate() threw an error
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app.context.error({
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statusCode: validationError.statusCode || '500',
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message: validationError.message
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})
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return renderErrorPage()
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}
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// ...If .validate() returned false
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if (!isValid) {
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// Render a 404 error page
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return render404Page()
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}
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// If no Components found, returns 404
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if (!Components.length) {
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return render404Page()
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}
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// Call asyncData & fetch hooks on components matched by the route.
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const asyncDatas = await Promise.all(Components.map((Component) => {
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const promises = []
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// Call asyncData(context)
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if (Component.options.asyncData && typeof Component.options.asyncData === 'function') {
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const promise = promisify(Component.options.asyncData, app.context)
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promise.then((asyncDataResult) => {
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ssrContext.asyncData[Component.cid] = asyncDataResult
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applyAsyncData(Component)
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return asyncDataResult
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})
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promises.push(promise)
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} else {
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promises.push(null)
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}
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// Call fetch(context)
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if (Component.options.fetch && Component.options.fetch.length) {
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promises.push(Component.options.fetch(app.context))
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} else {
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promises.push(null)
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}
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return Promise.all(promises)
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}))
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if (process.env.DEBUG && asyncDatas.length) console.debug('Data fetching ' + ssrContext.url + ': ' + (Date.now() - s) + 'ms')
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// datas are the first row of each
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ssrContext.nuxt.data = asyncDatas.map(r => r[0] || {})
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// ...If there is a redirect or an error, stop the process
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if (ssrContext.redirected) {
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return noopApp()
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}
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if (ssrContext.nuxt.error) {
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return renderErrorPage()
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}
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// Call beforeNuxtRender methods & add store state
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await beforeRender()
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return _app
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}
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