mirror of
https://github.com/nuxt/nuxt.git
synced 2024-11-06 06:03:58 +00:00
444 lines
16 KiB
JavaScript
444 lines
16 KiB
JavaScript
'use strict'
|
|
|
|
import Vue from 'vue'
|
|
import middleware from './middleware'
|
|
import { createApp, NuxtError } from './index'
|
|
import { applyAsyncData, sanitizeComponent, getMatchedComponents, getMatchedComponentsInstances, flatMapComponents, getContext, middlewareSeries, promisify, getLocation, compile } from './utils'
|
|
const noopData = () => { return {} }
|
|
const noopFetch = () => {}
|
|
let _lastPaths = []
|
|
let _lastComponentsFiles = []
|
|
|
|
let app
|
|
let router
|
|
<%= (store ? 'let store' : '') %>
|
|
|
|
function mapTransitions(Components, to, from) {
|
|
const componentTransitions = (component) => {
|
|
if (!component || !component.options || !component.options.transition) {
|
|
return {}
|
|
}
|
|
let transition = component.options.transition
|
|
if (typeof transition === 'function') {
|
|
transition = 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
|
|
})
|
|
}
|
|
|
|
function loadAsyncComponents (to, from, next) {
|
|
const resolveComponents = flatMapComponents(to, (Component, _, match, key) => {
|
|
if (typeof Component === 'function' && !Component.options) {
|
|
return new Promise(function (resolve, reject) {
|
|
const _resolve = (Component) => {
|
|
Component = sanitizeComponent(Component)
|
|
match.components[key] = Component
|
|
resolve(Component)
|
|
}
|
|
Component().then(_resolve).catch(reject)
|
|
})
|
|
}
|
|
Component = sanitizeComponent(Component)
|
|
match.components[key] = Component
|
|
return match.components[key]
|
|
})
|
|
const fromPath = from.fullPath.split('#')[0]
|
|
const toPath = to.fullPath.split('#')[0]
|
|
this._hashChanged = (fromPath === toPath)
|
|
if (!this._hashChanged) {
|
|
<%= (loading ? 'this.$loading.start && this.$loading.start()' : '') %>
|
|
}
|
|
Promise.all(resolveComponents)
|
|
.then(() => next())
|
|
.catch((err) => {
|
|
let statusCode = err.statusCode || err.status || (err.response && err.response.status) || 500
|
|
this.error({ statusCode, message: err.message })
|
|
next(false)
|
|
})
|
|
}
|
|
|
|
function callMiddleware (Components, context, layout) {
|
|
// if layout is undefined, only call global middleware
|
|
let midd = <%= serialize(router.middleware, { isJSON: true }) %>
|
|
let unknownMiddleware = false
|
|
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 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._hashChanged) return next()
|
|
let layout
|
|
let nextCalled = false
|
|
const _next = function (path) {
|
|
<%= (loading ? 'this.$loading.finish && this.$loading.finish()' : '') %>
|
|
if (nextCalled) return
|
|
nextCalled = true
|
|
next(path)
|
|
}
|
|
let context = getContext({ to<%= (store ? ', store' : '') %>, isClient: true, next: _next.bind(this), error: this.error.bind(this) }, app)
|
|
let Components = getMatchedComponents(to)
|
|
this._context = context
|
|
this._dateLastError = this.$options._nuxt.dateErr
|
|
this._hadError = !!this.$options._nuxt.err
|
|
if (!Components.length) {
|
|
// Default layout
|
|
await callMiddleware.call(this, Components, context)
|
|
if (context._redirected) return
|
|
layout = await this.loadLayout(typeof NuxtError.layout === 'function' ? NuxtError.layout(context) : NuxtError.layout)
|
|
await callMiddleware.call(this, Components, context, layout)
|
|
if (context._redirected) return
|
|
this.error({ statusCode: 404, message: 'This page could not be found.' })
|
|
return next()
|
|
}
|
|
// Update ._data and other properties if hot reloaded
|
|
Components.forEach(function (Component) {
|
|
if (Component._Ctor && Component._Ctor.options) {
|
|
Component.options.asyncData = Component._Ctor.options.asyncData
|
|
Component.options.fetch = Component._Ctor.options.fetch
|
|
}
|
|
})
|
|
this.setTransitions(mapTransitions(Components, to, from))
|
|
try {
|
|
// Set layout
|
|
await callMiddleware.call(this, Components, context)
|
|
if (context._redirected) return
|
|
layout = Components[0].options.layout
|
|
if (typeof layout === 'function') {
|
|
layout = layout(context)
|
|
}
|
|
layout = await this.loadLayout(layout)
|
|
await callMiddleware.call(this, Components, context, layout)
|
|
if (context._redirected) return
|
|
// Pass validation?
|
|
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 ? ', store: context.store' : '') %>
|
|
})
|
|
})
|
|
if (!isValid) {
|
|
this.error({ statusCode: 404, message: 'This page could not be found.' })
|
|
return next()
|
|
}
|
|
await Promise.all(Components.map((Component, i) => {
|
|
// Check if only children route changed
|
|
Component._path = compile(to.matched[i].path)(to.params)
|
|
if (!this._hadError && Component._path === _lastPaths[i] && (i + 1) !== Components.length) {
|
|
return Promise.resolve()
|
|
}
|
|
let promises = []
|
|
// Create this context for asyncData & fetch (used for dynamic component injection)
|
|
const _this = { components: {} }
|
|
// asyncData method
|
|
if (Component.options.asyncData && typeof Component.options.asyncData === 'function') {
|
|
var promise = promisify(Component.options.asyncData.bind(_this), context)
|
|
promise.then((asyncDataResult) => {
|
|
applyAsyncData(Component, asyncDataResult)
|
|
<%= (loading ? 'this.$loading.increase && this.$loading.increase(30)' : '') %>
|
|
})
|
|
promises.push(promise)
|
|
}
|
|
if (Component.options.fetch) {
|
|
var p = Component.options.fetch.call(_this, context)
|
|
if (!p || (!(p instanceof Promise) && (typeof p.then !== 'function'))) { p = Promise.resolve(p) }
|
|
<%= (loading ? 'p.then(() => this.$loading.increase && this.$loading.increase(30))' : '') %>
|
|
promises.push(p)
|
|
}
|
|
return Promise.all(promises)
|
|
.then(() => {
|
|
Object.keys(_this.components).forEach((name) => {
|
|
// Sanetize resolved components (Temporary workaround for vue-loader 13.0.0)
|
|
_this.components[name] = _this.components[name].default || _this.components[name]
|
|
Component.options.components[name] = _this.components[name]
|
|
})
|
|
})
|
|
}))
|
|
_lastPaths = Components.map((Component, i) => compile(to.matched[i].path)(to.params))
|
|
<%= (loading ? 'this.$loading.finish && this.$loading.finish()' : '') %>
|
|
// If not redirected
|
|
if (!nextCalled) {
|
|
next()
|
|
}
|
|
} catch (error) {
|
|
_lastPaths = []
|
|
error.statusCode = error.statusCode || error.status || (error.response && error.response.status) || 500
|
|
let layout = NuxtError.layout
|
|
if (typeof layout === 'function') {
|
|
layout = layout(context)
|
|
}
|
|
this.loadLayout(layout)
|
|
.then(() => {
|
|
this.error(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
|
|
})
|
|
}
|
|
|
|
// 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 $data ourselves
|
|
function fixPrepatch (to, ___) {
|
|
if (this._hashChanged) return
|
|
Vue.nextTick(() => {
|
|
let instances = getMatchedComponentsInstances(to)
|
|
_lastComponentsFiles = instances.map((instance, i) => {
|
|
if (!instance) return '';
|
|
if (_lastPaths[i] === instance.constructor._path && typeof instance.constructor.options.data === 'function') {
|
|
let newData = instance.constructor.options.data.call(instance)
|
|
for (let key in newData) {
|
|
Vue.set(instance.$data, key, newData[key])
|
|
}
|
|
}
|
|
return instance.constructor.options.__file
|
|
})
|
|
// 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(this._context)
|
|
}
|
|
this.setLayout(layout)
|
|
// hot reloading
|
|
setTimeout(() => hotReloadAPI(this), 100)
|
|
})
|
|
}
|
|
|
|
// Special hot reload with asyncData(context)
|
|
function hotReloadAPI (_app) {
|
|
if (!module.hot) return
|
|
let $components = []
|
|
let $nuxt = _app.$nuxt
|
|
while ($nuxt && $nuxt.$children && $nuxt.$children.length) {
|
|
$nuxt.$children.forEach(function (child, i) {
|
|
if (child.$vnode.data.nuxtChild) {
|
|
let hasAlready = false
|
|
$components.forEach(function (component) {
|
|
if (component.$options.__file === child.$options.__file) {
|
|
hasAlready = true
|
|
}
|
|
})
|
|
if (!hasAlready) {
|
|
$components.push(child)
|
|
}
|
|
}
|
|
$nuxt = child
|
|
})
|
|
}
|
|
$components.forEach(addHotReload.bind(_app))
|
|
}
|
|
|
|
function addHotReload ($component, depth) {
|
|
if ($component.$vnode.data._hasHotReload) return
|
|
$component.$vnode.data._hasHotReload = true
|
|
var _forceUpdate = $component.$forceUpdate.bind($component.$parent)
|
|
$component.$vnode.context.$forceUpdate = () => {
|
|
let Components = getMatchedComponents(router.currentRoute)
|
|
let Component = Components[depth]
|
|
if (!Component) return _forceUpdate()
|
|
if (typeof Component === 'object' && !Component.options) {
|
|
// Updated via vue-router resolveAsyncComponents()
|
|
Component = Vue.extend(Component)
|
|
Component._Ctor = Component
|
|
}
|
|
this.error()
|
|
let promises = []
|
|
const next = function (path) {
|
|
<%= (loading ? 'this.$loading.finish && this.$loading.finish()' : '') %>
|
|
router.push(path)
|
|
}
|
|
let context = getContext({ route: router.currentRoute<%= (store ? ', store' : '') %>, isClient: true, hotReload: true, next: next.bind(this), error: this.error }, app)
|
|
<%= (loading ? 'this.$loading.start && this.$loading.start()' : '') %>
|
|
callMiddleware.call(this, Components, context)
|
|
.then(() => {
|
|
// If layout changed
|
|
if (depth !== 0) return Promise.resolve()
|
|
let layout = Component.options.layout || 'default'
|
|
if (typeof layout === 'function') {
|
|
layout = layout(context)
|
|
}
|
|
if (this.layoutName === layout) return Promise.resolve()
|
|
let promise = this.loadLayout(layout)
|
|
promise.then(() => {
|
|
this.setLayout(layout)
|
|
Vue.nextTick(() => hotReloadAPI(this))
|
|
})
|
|
return promise
|
|
})
|
|
.then(() => {
|
|
return callMiddleware.call(this, Components, context, this.layout)
|
|
})
|
|
.then(() => {
|
|
// Call asyncData(context)
|
|
let pAsyncData = promisify(Component.options.asyncData || noopData, context)
|
|
pAsyncData.then((asyncDataResult) => {
|
|
applyAsyncData(Component, asyncDataResult)
|
|
<%= (loading ? 'this.$loading.increase && this.$loading.increase(30)' : '') %>
|
|
})
|
|
promises.push(pAsyncData)
|
|
// Call fetch()
|
|
Component.options.fetch = Component.options.fetch || noopFetch
|
|
let pFetch = Component.options.fetch(context)
|
|
if (!pFetch || (!(pFetch instanceof Promise) && (typeof pFetch.then !== 'function'))) { pFetch = Promise.resolve(pFetch) }
|
|
<%= (loading ? 'pFetch.then(() => this.$loading.increase && this.$loading.increase(30))' : '') %>
|
|
promises.push(pFetch)
|
|
return Promise.all(promises)
|
|
})
|
|
.then(() => {
|
|
<%= (loading ? 'this.$loading.finish && this.$loading.finish()' : '') %>
|
|
_forceUpdate()
|
|
setTimeout(() => hotReloadAPI(this), 100)
|
|
})
|
|
}
|
|
}
|
|
|
|
// Load vue app
|
|
const NUXT = window.__NUXT__ || {}
|
|
NUXT.components = window.__COMPONENTS__ || null
|
|
// Get matched components
|
|
const resolveComponents = function (router) {
|
|
const path = getLocation(router.options.base)
|
|
return flatMapComponents(router.match(path), (Component, _, match, key, index) => {
|
|
if (typeof Component === 'function' && !Component.options) {
|
|
return new Promise(function (resolve, reject) {
|
|
const _resolve = (Component) => {
|
|
Component = sanitizeComponent(Component)
|
|
if (NUXT.serverRendered) {
|
|
applyAsyncData(Component, NUXT.data[index])
|
|
if (NUXT.components) {
|
|
Component.options.components = Object.assign(Component.options.components, NUXT.components[index])
|
|
}
|
|
Component._Ctor = Component
|
|
}
|
|
match.components[key] = Component
|
|
resolve(Component)
|
|
}
|
|
Component().then(_resolve).catch(reject)
|
|
})
|
|
}
|
|
Component = sanitizeComponent(Component)
|
|
match.components[key] = Component
|
|
return Component
|
|
})
|
|
}
|
|
|
|
function nuxtReady (app) {
|
|
window._nuxtReadyCbs.forEach((cb) => {
|
|
if (typeof cb === 'function') {
|
|
cb(app)
|
|
}
|
|
})
|
|
// Special JSDOM
|
|
if (typeof window._onNuxtLoaded === 'function') {
|
|
window._onNuxtLoaded(app)
|
|
}
|
|
// Add router hooks
|
|
router.afterEach(function (to, from) {
|
|
app.$nuxt.$emit('routeChanged', to, from)
|
|
})
|
|
}
|
|
|
|
createApp()
|
|
.then(async (__app) => {
|
|
app = __app.app
|
|
router = __app.router
|
|
<%= (store ? 'store = __app.store' : '') %>
|
|
const Components = await Promise.all(resolveComponents(router))
|
|
const _app = new Vue(app)
|
|
const layout = NUXT.layout || 'default'
|
|
await _app.loadLayout(layout)
|
|
_app.setLayout(layout)
|
|
const mountApp = () => {
|
|
_app.$mount('#__nuxt')
|
|
Vue.nextTick(() => {
|
|
// Hot reloading
|
|
hotReloadAPI(_app)
|
|
// Call window.onNuxtReady callbacks
|
|
nuxtReady(_app)
|
|
})
|
|
}
|
|
_app.setTransitions = _app.$options._nuxt.setTransitions.bind(_app)
|
|
if (Components.length) {
|
|
_app.setTransitions(mapTransitions(Components, router.currentRoute))
|
|
_lastPaths = router.currentRoute.matched.map((route) => compile(route.path)(router.currentRoute.params))
|
|
_lastComponentsFiles = Components.map((Component) => Component.options.__file)
|
|
}
|
|
_app.error = _app.$options._nuxt.error.bind(_app)
|
|
_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 (NUXT.serverRendered) {
|
|
mountApp()
|
|
return
|
|
}
|
|
render.call(_app, router.currentRoute, router.currentRoute, function (path) {
|
|
if (path) {
|
|
let mounted = false
|
|
router.afterEach(function () {
|
|
if (mounted) return
|
|
mounted = true
|
|
mountApp()
|
|
})
|
|
router.push(path)
|
|
return
|
|
}
|
|
normalizeComponents(router.currentRoute, router.currentRoute)
|
|
fixPrepatch.call(_app, router.currentRoute, router.currentRoute)
|
|
mountApp()
|
|
})
|
|
})
|
|
.catch((err) => {
|
|
console.error('[nuxt.js] Cannot load components', err) // eslint-disable-line no-console
|
|
})
|