|
|
@@ -0,0 +1,477 @@
|
|
|
+import Vue from 'vue'
|
|
|
+import middleware from './middleware'
|
|
|
+import { createApp, NuxtError } from './index'
|
|
|
+import {
|
|
|
+ applyAsyncData,
|
|
|
+ sanitizeComponent,
|
|
|
+ resolveRouteComponents,
|
|
|
+ getMatchedComponents,
|
|
|
+ getMatchedComponentsInstances,
|
|
|
+ flatMapComponents,
|
|
|
+ setContext,
|
|
|
+ middlewareSeries,
|
|
|
+ promisify,
|
|
|
+ getLocation,
|
|
|
+ compile,
|
|
|
+ getQueryDiff
|
|
|
+} from './utils'
|
|
|
+
|
|
|
+const noopData = () => { return {} }
|
|
|
+const noopFetch = () => {}
|
|
|
+
|
|
|
+// Global shared references
|
|
|
+let _lastPaths = []
|
|
|
+let app
|
|
|
+let router
|
|
|
+let store
|
|
|
+
|
|
|
+// Try to rehydrate SSR data from window
|
|
|
+const NUXT = window.__NUXT__ || {}
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+// Create and mount App
|
|
|
+createApp()
|
|
|
+.then(mountApp)
|
|
|
+.catch(err => {
|
|
|
+ if (err.message === 'ERR_REDIRECT') {
|
|
|
+ return // Wait for browser to redirect...
|
|
|
+ }
|
|
|
+ console.error('[nuxt] Error while initializing app', err)
|
|
|
+})
|
|
|
+
|
|
|
+function componentOption(component, key, ...args) {
|
|
|
+ if (!component || !component.options || !component.options[key]) {
|
|
|
+ return {}
|
|
|
+ }
|
|
|
+ const option = component.options[key]
|
|
|
+ if (typeof option === 'function') {
|
|
|
+ return option(...args)
|
|
|
+ }
|
|
|
+ return option
|
|
|
+}
|
|
|
+
|
|
|
+function mapTransitions(Components, to, from) {
|
|
|
+ const componentTransitions = component => {
|
|
|
+ const transition = componentOption(component, 'transition', to, from) || {}
|
|
|
+ return (typeof transition === 'string' ? { name: transition } : transition)
|
|
|
+ }
|
|
|
+
|
|
|
+ return Components.map(Component => {
|
|
|
+ // Clone original object to prevent overrides
|
|
|
+ const transitions = Object.assign({}, componentTransitions(Component))
|
|
|
+
|
|
|
+ // Combine transitions & prefer `leave` transitions of 'from' route
|
|
|
+ if (from && from.matched.length && from.matched[0].components.default) {
|
|
|
+ const from_transitions = componentTransitions(from.matched[0].components.default)
|
|
|
+ Object.keys(from_transitions)
|
|
|
+ .filter(key => from_transitions[key] && key.toLowerCase().indexOf('leave') !== -1)
|
|
|
+ .forEach(key => { transitions[key] = from_transitions[key] })
|
|
|
+ }
|
|
|
+
|
|
|
+ return transitions
|
|
|
+ })
|
|
|
+}
|
|
|
+
|
|
|
+async function loadAsyncComponents (to, from, next) {
|
|
|
+ // Check if route path changed (this._pathChanged), only if the page is not an error (for validate())
|
|
|
+ this._pathChanged = !!app.nuxt.err || from.path !== to.path
|
|
|
+ this._queryChanged = JSON.stringify(to.query) !== JSON.stringify(from.query)
|
|
|
+ this._diffQuery = (this._queryChanged ? getQueryDiff(to.query, from.query) : [])
|
|
|
+
|
|
|
+
|
|
|
+ if (this._pathChanged && this.$loading.start) {
|
|
|
+ this.$loading.start()
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ try {
|
|
|
+ const Components = await resolveRouteComponents(to)
|
|
|
+
|
|
|
+ if (!this._pathChanged && this._queryChanged) {
|
|
|
+ // Add a marker on each component that it needs to refresh or not
|
|
|
+ const startLoader = Components.some((Component) => {
|
|
|
+ const watchQuery = Component.options.watchQuery
|
|
|
+ if (watchQuery === true) return true
|
|
|
+ if (Array.isArray(watchQuery)) {
|
|
|
+ return watchQuery.some((key) => this._diffQuery[key])
|
|
|
+ }
|
|
|
+ return false
|
|
|
+ })
|
|
|
+ if (startLoader && this.$loading.start) {
|
|
|
+ this.$loading.start()
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ // Call next()
|
|
|
+ next()
|
|
|
+ } catch (err) {
|
|
|
+ err = err || {}
|
|
|
+ const statusCode = err.statusCode || err.status || (err.response && err.response.status) || 500
|
|
|
+ this.error({ statusCode, message: err.message })
|
|
|
+ this.$nuxt.$emit('routeChanged', to, from, err)
|
|
|
+ next(false)
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+function applySSRData(Component, ssrData) {
|
|
|
+ if (NUXT.serverRendered && ssrData) {
|
|
|
+ applyAsyncData(Component, ssrData)
|
|
|
+ }
|
|
|
+ Component._Ctor = Component
|
|
|
+ return Component
|
|
|
+}
|
|
|
+
|
|
|
+// Get matched components
|
|
|
+function resolveComponents(router) {
|
|
|
+ const path = getLocation(router.options.base, router.options.mode)
|
|
|
+
|
|
|
+ return flatMapComponents(router.match(path), async (Component, _, match, key, index) => {
|
|
|
+ // If component is not resolved yet, resolve it
|
|
|
+ if (typeof Component === 'function' && !Component.options) {
|
|
|
+ Component = await Component()
|
|
|
+ }
|
|
|
+ // Sanitize it and save it
|
|
|
+ const _Component = applySSRData(sanitizeComponent(Component), NUXT.data ? NUXT.data[index] : null)
|
|
|
+ match.components[key] = _Component
|
|
|
+ return _Component
|
|
|
+ })
|
|
|
+}
|
|
|
+
|
|
|
+function callMiddleware (Components, context, layout) {
|
|
|
+ let midd = ["check-auth"]
|
|
|
+ let unknownMiddleware = false
|
|
|
+
|
|
|
+ // If layout is undefined, only call global middleware
|
|
|
+ if (typeof layout !== 'undefined') {
|
|
|
+ midd = [] // Exclude global middleware if layout defined (already called before)
|
|
|
+ if (layout.middleware) {
|
|
|
+ midd = midd.concat(layout.middleware)
|
|
|
+ }
|
|
|
+ Components.forEach(Component => {
|
|
|
+ if (Component.options.middleware) {
|
|
|
+ midd = midd.concat(Component.options.middleware)
|
|
|
+ }
|
|
|
+ })
|
|
|
+ }
|
|
|
+
|
|
|
+ midd = midd.map(name => {
|
|
|
+ if (typeof name === 'function') return name
|
|
|
+ if (typeof middleware[name] !== 'function') {
|
|
|
+ unknownMiddleware = true
|
|
|
+ this.error({ statusCode: 500, message: 'Unknown middleware ' + name })
|
|
|
+ }
|
|
|
+ return middleware[name]
|
|
|
+ })
|
|
|
+
|
|
|
+ if (unknownMiddleware) return
|
|
|
+ return middlewareSeries(midd, context)
|
|
|
+}
|
|
|
+
|
|
|
+async function render (to, from, next) {
|
|
|
+ if (this._pathChanged === false && this._queryChanged === false) return next()
|
|
|
+
|
|
|
+ // nextCalled is true when redirected
|
|
|
+ let nextCalled = false
|
|
|
+ const _next = path => {
|
|
|
+ if (from.path === path.path && this.$loading.finish) this.$loading.finish()
|
|
|
+ if (from.path !== path.path && this.$loading.pause) this.$loading.pause()
|
|
|
+ if (nextCalled) return
|
|
|
+ nextCalled = true
|
|
|
+ const matches = []
|
|
|
+ _lastPaths = getMatchedComponents(from, matches).map((Component, i) => compile(from.matched[matches[i]].path)(from.params))
|
|
|
+ next(path)
|
|
|
+ }
|
|
|
+
|
|
|
+ // Update context
|
|
|
+ await setContext(app, {
|
|
|
+ route: to,
|
|
|
+ from,
|
|
|
+ next: _next.bind(this)
|
|
|
+ })
|
|
|
+ this._dateLastError = app.nuxt.dateErr
|
|
|
+ this._hadError = !!app.nuxt.err
|
|
|
+
|
|
|
+ // Get route's matched components
|
|
|
+ const matches = []
|
|
|
+ const Components = getMatchedComponents(to, matches)
|
|
|
+
|
|
|
+ // If no Components matched, generate 404
|
|
|
+ if (!Components.length) {
|
|
|
+ // Default layout
|
|
|
+ await callMiddleware.call(this, Components, app.context)
|
|
|
+ if (nextCalled) return
|
|
|
+ // Load layout for error page
|
|
|
+ const layout = await this.loadLayout(typeof NuxtError.layout === 'function' ? NuxtError.layout(app.context) : NuxtError.layout)
|
|
|
+ await callMiddleware.call(this, Components, app.context, layout)
|
|
|
+ if (nextCalled) return
|
|
|
+ // Show error page
|
|
|
+ app.context.error({ statusCode: 404, message: 'This page could not be found' })
|
|
|
+ return next()
|
|
|
+ }
|
|
|
+
|
|
|
+ // Update ._data and other properties if hot reloaded
|
|
|
+ Components.forEach(Component => {
|
|
|
+ if (Component._Ctor && Component._Ctor.options) {
|
|
|
+ Component.options.asyncData = Component._Ctor.options.asyncData
|
|
|
+ Component.options.fetch = Component._Ctor.options.fetch
|
|
|
+ }
|
|
|
+ })
|
|
|
+
|
|
|
+ // Apply transitions
|
|
|
+ this.setTransitions(mapTransitions(Components, to, from))
|
|
|
+
|
|
|
+ try {
|
|
|
+ // Call middleware
|
|
|
+ await callMiddleware.call(this, Components, app.context)
|
|
|
+ if (nextCalled) return
|
|
|
+ if (app.context._errored) return next()
|
|
|
+
|
|
|
+ // Set layout
|
|
|
+ let layout = Components[0].options.layout
|
|
|
+ if (typeof layout === 'function') {
|
|
|
+ layout = layout(app.context)
|
|
|
+ }
|
|
|
+ layout = await this.loadLayout(layout)
|
|
|
+
|
|
|
+ // Call middleware for layout
|
|
|
+ await callMiddleware.call(this, Components, app.context, layout)
|
|
|
+ if (nextCalled) return
|
|
|
+ if (app.context._errored) return next()
|
|
|
+
|
|
|
+ // Call .validate()
|
|
|
+ let isValid = true
|
|
|
+ Components.forEach(Component => {
|
|
|
+ if (!isValid) return
|
|
|
+ if (typeof Component.options.validate !== 'function') return
|
|
|
+ isValid = Component.options.validate({
|
|
|
+ params: to.params || {},
|
|
|
+ query : to.query || {},
|
|
|
+ store
|
|
|
+ })
|
|
|
+ })
|
|
|
+ // ...If .validate() returned false
|
|
|
+ if (!isValid) {
|
|
|
+ this.error({ statusCode: 404, message: 'This page could not be found' })
|
|
|
+ return next()
|
|
|
+ }
|
|
|
+
|
|
|
+ // Call asyncData & fetch hooks on components matched by the route.
|
|
|
+ await Promise.all(Components.map((Component, i) => {
|
|
|
+ // Check if only children route changed
|
|
|
+ Component._path = compile(to.matched[matches[i]].path)(to.params)
|
|
|
+ Component._dataRefresh = false
|
|
|
+ // Check if Component need to be refreshed (call asyncData & fetch)
|
|
|
+ // Only if its slug has changed or is watch query changes
|
|
|
+ if (this._pathChanged && Component._path !== _lastPaths[i]) {
|
|
|
+ Component._dataRefresh = true
|
|
|
+ } else if (!this._pathChanged && this._queryChanged) {
|
|
|
+ const watchQuery = Component.options.watchQuery
|
|
|
+ if (watchQuery === true) {
|
|
|
+ Component._dataRefresh = true
|
|
|
+ } else if (Array.isArray(watchQuery)) {
|
|
|
+ Component._dataRefresh = watchQuery.some((key) => this._diffQuery[key])
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (!this._hadError && this._isMounted && !Component._dataRefresh) {
|
|
|
+ return Promise.resolve()
|
|
|
+ }
|
|
|
+
|
|
|
+ let promises = []
|
|
|
+
|
|
|
+ const hasAsyncData = Component.options.asyncData && typeof Component.options.asyncData === 'function'
|
|
|
+ const hasFetch = !!Component.options.fetch
|
|
|
+ const loadingIncrease = (hasAsyncData && hasFetch) ? 30 : 45
|
|
|
+
|
|
|
+ // Call asyncData(context)
|
|
|
+ if (hasAsyncData) {
|
|
|
+ const promise = promisify(Component.options.asyncData, app.context)
|
|
|
+ .then(asyncDataResult => {
|
|
|
+ applyAsyncData(Component, asyncDataResult)
|
|
|
+ if(this.$loading.increase) this.$loading.increase(loadingIncrease)
|
|
|
+ })
|
|
|
+ promises.push(promise)
|
|
|
+ }
|
|
|
+
|
|
|
+ // Call fetch(context)
|
|
|
+ if (hasFetch) {
|
|
|
+ let p = Component.options.fetch(app.context)
|
|
|
+ if (!p || (!(p instanceof Promise) && (typeof p.then !== 'function'))) {
|
|
|
+ p = Promise.resolve(p)
|
|
|
+ }
|
|
|
+ p.then(fetchResult => {
|
|
|
+ if(this.$loading.increase) this.$loading.increase(loadingIncrease)
|
|
|
+ })
|
|
|
+ promises.push(p)
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all(promises)
|
|
|
+ }))
|
|
|
+
|
|
|
+ // If not redirected
|
|
|
+ if (!nextCalled) {
|
|
|
+ if(this.$loading.finish) this.$loading.finish()
|
|
|
+ _lastPaths = Components.map((Component, i) => compile(to.matched[matches[i]].path)(to.params))
|
|
|
+ next()
|
|
|
+ }
|
|
|
+
|
|
|
+ } catch (error) {
|
|
|
+ if (!error) error = {}
|
|
|
+ _lastPaths = []
|
|
|
+ error.statusCode = error.statusCode || error.status || (error.response && error.response.status) || 500
|
|
|
+
|
|
|
+ // Load error layout
|
|
|
+ let layout = NuxtError.layout
|
|
|
+ if (typeof layout === 'function') {
|
|
|
+ layout = layout(app.context)
|
|
|
+ }
|
|
|
+ await this.loadLayout(layout)
|
|
|
+
|
|
|
+ this.error(error)
|
|
|
+ this.$nuxt.$emit('routeChanged', to, from, error)
|
|
|
+ next(false)
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+// Fix components format in matched, it's due to code-splitting of vue-router
|
|
|
+function normalizeComponents (to, ___) {
|
|
|
+ flatMapComponents(to, (Component, _, match, key) => {
|
|
|
+ if (typeof Component === 'object' && !Component.options) {
|
|
|
+ // Updated via vue-router resolveAsyncComponents()
|
|
|
+ Component = Vue.extend(Component)
|
|
|
+ Component._Ctor = Component
|
|
|
+ match.components[key] = Component
|
|
|
+ }
|
|
|
+ return Component
|
|
|
+ })
|
|
|
+}
|
|
|
+
|
|
|
+function showNextPage(to) {
|
|
|
+ // Hide error component if no error
|
|
|
+ if (this._hadError && this._dateLastError === this.$options.nuxt.dateErr) {
|
|
|
+ this.error()
|
|
|
+ }
|
|
|
+
|
|
|
+ // Set layout
|
|
|
+ let layout = this.$options.nuxt.err ? NuxtError.layout : to.matched[0].components.default.options.layout
|
|
|
+ if (typeof layout === 'function') {
|
|
|
+ layout = layout(app.context)
|
|
|
+ }
|
|
|
+ this.setLayout(layout)
|
|
|
+}
|
|
|
+
|
|
|
+// When navigating on a different route but the same component is used, Vue.js
|
|
|
+// Will not update the instance data, so we have to update $data ourselves
|
|
|
+function fixPrepatch(to, ___) {
|
|
|
+ if (this._pathChanged === false && this._queryChanged === false) return
|
|
|
+
|
|
|
+ Vue.nextTick(() => {
|
|
|
+ const matches = []
|
|
|
+ const instances = getMatchedComponentsInstances(to, matches)
|
|
|
+
|
|
|
+ instances.forEach((instance, i) => {
|
|
|
+ if (!instance) return
|
|
|
+ // if (!this._queryChanged && to.matched[matches[i]].path.indexOf(':') === -1 && to.matched[matches[i]].path.indexOf('*') === -1) return // If not a dynamic route, skip
|
|
|
+ if (instance.constructor._dataRefresh && _lastPaths[i] === instance.constructor._path && typeof instance.constructor.options.data === 'function') {
|
|
|
+ const newData = instance.constructor.options.data.call(instance)
|
|
|
+ for (let key in newData) {
|
|
|
+ Vue.set(instance.$data, key, newData[key])
|
|
|
+ }
|
|
|
+ }
|
|
|
+ })
|
|
|
+ showNextPage.call(this, to)
|
|
|
+
|
|
|
+ })
|
|
|
+}
|
|
|
+
|
|
|
+function nuxtReady (_app) {
|
|
|
+ window._nuxtReadyCbs.forEach((cb) => {
|
|
|
+ if (typeof cb === 'function') {
|
|
|
+ cb(_app)
|
|
|
+ }
|
|
|
+ })
|
|
|
+ // Special JSDOM
|
|
|
+ if (typeof window._onNuxtLoaded === 'function') {
|
|
|
+ window._onNuxtLoaded(_app)
|
|
|
+ }
|
|
|
+ // Add router hooks
|
|
|
+ router.afterEach(function (to, from) {
|
|
|
+ // Wait for fixPrepatch + $data updates
|
|
|
+ Vue.nextTick(() => _app.$nuxt.$emit('routeChanged', to, from))
|
|
|
+ })
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+async function mountApp(__app) {
|
|
|
+ // Set global variables
|
|
|
+ app = __app.app
|
|
|
+ router = __app.router
|
|
|
+ store = __app.store
|
|
|
+
|
|
|
+ // Resolve route components
|
|
|
+ const Components = await Promise.all(resolveComponents(router))
|
|
|
+
|
|
|
+ // Create Vue instance
|
|
|
+ const _app = new Vue(app)
|
|
|
+
|
|
|
+
|
|
|
+ // Load layout
|
|
|
+ const layout = NUXT.layout || 'default'
|
|
|
+ await _app.loadLayout(layout)
|
|
|
+ _app.setLayout(layout)
|
|
|
+
|
|
|
+
|
|
|
+ // Mounts Vue app to DOM element
|
|
|
+ const mount = () => {
|
|
|
+ _app.$mount('#__nuxt')
|
|
|
+
|
|
|
+ // Listen for first Vue update
|
|
|
+ Vue.nextTick(() => {
|
|
|
+ // Call window.onNuxtReady callbacks
|
|
|
+ nuxtReady(_app)
|
|
|
+
|
|
|
+ })
|
|
|
+ }
|
|
|
+
|
|
|
+ // Enable transitions
|
|
|
+ _app.setTransitions = _app.$options.nuxt.setTransitions.bind(_app)
|
|
|
+ if (Components.length) {
|
|
|
+ _app.setTransitions(mapTransitions(Components, router.currentRoute))
|
|
|
+ _lastPaths = router.currentRoute.matched.map(route => compile(route.path)(router.currentRoute.params))
|
|
|
+ }
|
|
|
+
|
|
|
+ // Initialize error handler
|
|
|
+ _app.$loading = {} // To avoid error while _app.$nuxt does not exist
|
|
|
+ if (NUXT.error) _app.error(NUXT.error)
|
|
|
+
|
|
|
+ // Add router hooks
|
|
|
+ router.beforeEach(loadAsyncComponents.bind(_app))
|
|
|
+ router.beforeEach(render.bind(_app))
|
|
|
+ router.afterEach(normalizeComponents)
|
|
|
+ router.afterEach(fixPrepatch.bind(_app))
|
|
|
+
|
|
|
+ // If page already is server rendered
|
|
|
+ if (NUXT.serverRendered) {
|
|
|
+ mount()
|
|
|
+ return
|
|
|
+ }
|
|
|
+
|
|
|
+ // First render on client-side
|
|
|
+ render.call(_app, router.currentRoute, router.currentRoute, (path) => {
|
|
|
+ // If not redirected
|
|
|
+ if (!path) {
|
|
|
+ normalizeComponents(router.currentRoute, router.currentRoute)
|
|
|
+ showNextPage.call(_app, router.currentRoute)
|
|
|
+ // Dont call fixPrepatch.call(_app, router.currentRoute, router.currentRoute) since it's first render
|
|
|
+ mount()
|
|
|
+ return
|
|
|
+ }
|
|
|
+
|
|
|
+ // Push the path and then mount app
|
|
|
+ router.push(path, () => mount(), (err) => {
|
|
|
+ if (!err) return mount()
|
|
|
+ console.error(err)
|
|
|
+ })
|
|
|
+ })
|
|
|
+}
|