mirror of
https://github.com/nuxt/nuxt.git
synced 2024-11-27 16:12:12 +00:00
397 lines
14 KiB
JavaScript
397 lines
14 KiB
JavaScript
'use strict'
|
|
|
|
import Vue from 'vue'
|
|
import middleware from './middleware'
|
|
import { app, router<%= (store ? ', store' : '') %>, NuxtError } from './index'
|
|
import { getMatchedComponents, getMatchedComponentsInstances, flatMapComponents, getContext, promiseSeries, promisify, getLocation, compile } from './utils'
|
|
const noopData = () => { return {} }
|
|
const noopFetch = () => {}
|
|
let _lastPaths = []
|
|
let _lastComponentsFiles = []
|
|
|
|
function mapTransitions(Components, to, from) {
|
|
return Components.map((Component) => {
|
|
let transition = Component.options.transition
|
|
if (typeof transition === 'function') {
|
|
return transition(to, from)
|
|
}
|
|
return transition
|
|
})
|
|
}
|
|
|
|
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) => {
|
|
if (!Component.options) {
|
|
Component = Vue.extend(Component) // fix issue #6
|
|
Component._Ctor = Component
|
|
} else {
|
|
Component._Ctor = Component
|
|
Component.extendOptions = Component.options
|
|
}
|
|
match.components[key] = Component
|
|
resolve(Component)
|
|
}
|
|
Component().then(_resolve).catch(reject)
|
|
})
|
|
}
|
|
return Component
|
|
})
|
|
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) {
|
|
// Call middleware
|
|
let midd = <%= serialize(router.middleware, { isJSON: true }) %>
|
|
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') {
|
|
this.error({ statusCode: 500, message: 'Unknown middleware ' + name })
|
|
}
|
|
return middleware[name]
|
|
})
|
|
if (this.$options._nuxt.err) return
|
|
return promiseSeries(midd, context)
|
|
}
|
|
|
|
function render (to, from, next) {
|
|
if (this._hashChanged) return next()
|
|
const _next = function (path) {
|
|
<%= (loading ? 'this.$loading.finish && this.$loading.finish()' : '') %>
|
|
nextCalled = true
|
|
next(path)
|
|
}
|
|
const context = getContext({ to<%= (store ? ', store' : '') %>, isClient: true, next: _next.bind(this), error: this.error.bind(this) })
|
|
let Components = getMatchedComponents(to)
|
|
this._dateLastError = this.$options._nuxt.dateErr
|
|
this._hadError = !!this.$options._nuxt.err
|
|
if (!Components.length) {
|
|
// Default layout
|
|
this.loadLayout(NuxtError.layout)
|
|
.then(callMiddleware.bind(this, Components, context))
|
|
.then(() => {
|
|
this.error({ statusCode: 404, message: 'This page could not be found.' })
|
|
return next()
|
|
})
|
|
return
|
|
}
|
|
// 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))
|
|
let nextCalled = false
|
|
// Set layout
|
|
this.loadLayout(Components[0].options.layout)
|
|
.then(callMiddleware.bind(this, Components, context))
|
|
.then(() => {
|
|
// 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 || {}
|
|
})
|
|
})
|
|
if (!isValid) {
|
|
this.error({ statusCode: 404, message: 'This page could not be found.' })
|
|
return next()
|
|
}
|
|
return 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 = []
|
|
// asyncData method
|
|
if (Component.options.asyncData && typeof Component.options.asyncData === 'function') {
|
|
var promise = promisify(Component.options.asyncData, context)
|
|
promise.then((asyncDataResult) => {
|
|
let data = {}
|
|
// keep asyncData() result
|
|
Component._asyncDataResult = asyncDataResult
|
|
// Call data() if defined
|
|
if (Component.options.data && typeof Component.options.data === 'function') {
|
|
data = Component.options.data()
|
|
}
|
|
// Merge data() and asyncData() results
|
|
data = Object.assign(data, asyncDataResult)
|
|
// Overwrite .data() method with merged data
|
|
Component.options.data = () => data
|
|
if (Component._Ctor && Component._Ctor.options) {
|
|
Component._Ctor.options.data = Component.options.data
|
|
}
|
|
<%= (loading ? 'this.$loading.increase && this.$loading.increase(30)' : '') %>
|
|
})
|
|
promises.push(promise)
|
|
}
|
|
if (Component.options.fetch) {
|
|
var p = Component.options.fetch(context)
|
|
if (!(p instanceof Promise)) { p = Promise.resolve(p) }
|
|
<%= (loading ? 'p.then(() => this.$loading.increase && this.$loading.increase(30))' : '') %>
|
|
promises.push(p)
|
|
}
|
|
return Promise.all(promises)
|
|
}))
|
|
})
|
|
.then(() => {
|
|
_lastPaths = Components.map((Component, i) => compile(to.matched[i].path)(to.params))
|
|
<%= (loading ? 'this.$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
|
|
this.loadLayout(NuxtError.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 $data ourselves
|
|
function fixPrepatch (to, ___) {
|
|
if (this._hashChanged) return
|
|
Vue.nextTick(() => {
|
|
let instances = getMatchedComponentsInstances(to)
|
|
_lastComponentsFiles = instances.map((instance, i) => {
|
|
if (!instance) return '';
|
|
if (_lastPaths[i] === instance.constructor._path && typeof instance.constructor.options.data === 'function') {
|
|
let newData = instance.constructor.options.data()
|
|
for (let key in newData) {
|
|
Vue.set(instance.$data, key, newData[key])
|
|
}
|
|
}
|
|
return instance.constructor.options.__file
|
|
})
|
|
// hide error component if no error
|
|
if (this._hadError && this._dateLastError === this.$options._nuxt.dateErr) {
|
|
this.error()
|
|
}
|
|
// Set layout
|
|
this.setLayout(this.$options._nuxt.err ? NuxtError.layout : to.matched[0].components.default.options.layout)
|
|
// hot reloading
|
|
hotReloadAPI(this)
|
|
})
|
|
}
|
|
|
|
// Special hot reload with data(context)
|
|
function hotReloadAPI (_app) {
|
|
if (!module.hot) return
|
|
const $nuxt = _app.$nuxt
|
|
var _forceUpdate = $nuxt.$forceUpdate.bind($nuxt)
|
|
$nuxt.$forceUpdate = function () {
|
|
let Component = getMatchedComponents(router.currentRoute)[0]
|
|
if (!Component) return _forceUpdate()
|
|
if (typeof Component === 'object' && !Component.options) {
|
|
// Updated via vue-router resolveAsyncComponents()
|
|
Component = Vue.extend(Component)
|
|
Component._Ctor = Component
|
|
}
|
|
let promises = []
|
|
// If layout changed
|
|
if (_app.layoutName !== Component.options.layout) {
|
|
let promise = _app.loadLayout(Component.options.layout)
|
|
promise.then(() => {
|
|
_app.setLayout(Component.options.layout)
|
|
hotReloadAPI(_app)
|
|
})
|
|
promises.push(promise)
|
|
}
|
|
const next = function (path) {
|
|
<%= (loading ? 'this.$loading.finish && this.$loading.finish()' : '') %>
|
|
router.push(path)
|
|
}
|
|
const context = getContext({ route: router.currentRoute<%= (store ? ', store' : '') %>, isClient: true, next: next.bind(this), error: _app.error })
|
|
// Check if data has been updated
|
|
const originalDataFn = (Component._data || noopData).toString().replace(/\s/g, '')
|
|
const newDataFn = (Component._Ctor.options.data || noopData).toString().replace(/\s/g, '')
|
|
if (originalDataFn !== newDataFn) {
|
|
Component._data = Component._Ctor.options.data || noopData
|
|
let p = promisify(Component._data, context)
|
|
p.then((data) => {
|
|
Component._cData = () => data || {}
|
|
Component.options.data = Component._cData
|
|
Component._dataFn = Component.options.data.toString().replace(/\s/g, '')
|
|
Component._Ctor.options.data = Component.options.data
|
|
<%= (loading ? 'this.$loading.increase && this.$loading.increase(30)' : '') %>
|
|
})
|
|
promises.push(p)
|
|
} else if (Component._cData) {
|
|
Component._data = Component.options.data
|
|
Component.options.data = Component._cData
|
|
Component._Ctor.options.data = Component.options.data
|
|
}
|
|
// Check if fetch has been updated
|
|
const originalFetchFn = (Component.options.fetch || noopFetch).toString().replace(/\s/g, '')
|
|
const newFetchFn = (Component._Ctor.options.fetch || noopFetch).toString().replace(/\s/g, '')
|
|
// Fetch has been updated, we call it to update the store
|
|
if (originalFetchFn !== newFetchFn) {
|
|
Component.options.fetch = Component._Ctor.options.fetch || noopFetch
|
|
let p = Component.options.fetch(context)
|
|
if (!(p instanceof Promise)) { p = Promise.resolve(p) }
|
|
<%= (loading ? 'p.then(() => this.$loading.increase && this.$loading.increase(30))' : '') %>
|
|
promises.push(p)
|
|
}
|
|
if (!promises.length) return;
|
|
<%= (loading ? 'this.$loading.start && this.$loading.start()' : '') %>
|
|
return Promise.all(promises).then(() => {
|
|
<%= (loading ? 'this.$loading.finish && this.$loading.finish()' : '') %>
|
|
_forceUpdate()
|
|
})
|
|
}
|
|
}
|
|
|
|
// Load vue app
|
|
const NUXT = window.__NUXT__ || {}
|
|
if (!NUXT) {
|
|
throw new Error('[nuxt.js] cannot find the global variable __NUXT__, make sure the server is working.')
|
|
}
|
|
// Get matched components
|
|
const path = getLocation(router.options.base)
|
|
const resolveComponents = flatMapComponents(router.match(path), (Component, _, match, key, index) => {
|
|
if (typeof Component === 'function' && !Component.options) {
|
|
return new Promise(function (resolve, reject) {
|
|
const _resolve = (Component) => {
|
|
if (!Component.options) {
|
|
Component = Vue.extend(Component) // fix issue #6
|
|
Component._Ctor = Component
|
|
} else {
|
|
Component._Ctor = Component
|
|
Component.extendOptions = Component.options
|
|
}
|
|
if (NUXT.serverRendered) {
|
|
Component.options.data = () => NUXT.data[index]
|
|
if (Component._Ctor && Component._Ctor.options) {
|
|
Component._Ctor.options.data = Component.options.data
|
|
}
|
|
}
|
|
match.components[key] = Component
|
|
resolve(Component)
|
|
}
|
|
Component().then(_resolve).catch(reject)
|
|
})
|
|
}
|
|
return Component
|
|
})
|
|
|
|
function nuxtReady (app) {
|
|
window._nuxtReadyCbs.forEach((cb) => {
|
|
if (typeof cb === 'function') {
|
|
cb(app)
|
|
}
|
|
})
|
|
// Add router hooks
|
|
router.afterEach(function (to, from) {
|
|
app.$nuxt.$emit('routeChanged', to, from)
|
|
})
|
|
}
|
|
|
|
Promise.all(resolveComponents)
|
|
.then((Components) => {
|
|
const _app = new Vue(app)
|
|
|
|
let layout = Components.length ? Components[0].options.layout : NuxtError.layout
|
|
return _app.loadLayout(layout)
|
|
.then(() => {
|
|
_app.setLayout(layout)
|
|
return { _app, Components }
|
|
})
|
|
})
|
|
.then(({ _app, Components }) => {
|
|
const mountApp = () => {
|
|
_app.$mount('#__nuxt')
|
|
// Hot reloading
|
|
hotReloadAPI(_app)
|
|
// Call window.onNuxtReady callbacks
|
|
Vue.nextTick(() => nuxtReady(_app))
|
|
}
|
|
<% if (store) { %>
|
|
// Replace store state
|
|
if (NUXT.state) {
|
|
store.replaceState(NUXT.state)
|
|
}
|
|
<% } %>
|
|
_app.setTransitions = _app.$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
|
|
})
|