Nuxt/packages/vue-app/template/index.js

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import Vue from 'vue'
<% if (features.meta) { %>import Meta from 'vue-meta'<% } %>
<% if (features.componentClientOnly) { %>import ClientOnly from 'vue-client-only'<% } %>
<% if (features.deprecations) { %>import NoSsr from 'vue-no-ssr'<% } %>
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import { createRouter } from './router.js'
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import NuxtChild from './components/nuxt-child.js'
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import NuxtError from '<%= components.ErrorPage ? components.ErrorPage : "./components/nuxt-error.vue" %>'
import Nuxt from './components/nuxt.js'
import App from '<%= appPath %>'
import { setContext, getLocation, getRouteData, normalizeError } from './utils'
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<% if (store) { %>import { createStore } from './store.js'<% } %>
/* Plugins */
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<%= isTest ? '/* eslint-disable camelcase */' : '' %>
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<% plugins.forEach((plugin) => { %>import <%= plugin.name %> from '<%= plugin.name %>' // Source: <%= relativeToBuild(plugin.src) %> (mode: '<%= plugin.mode %>')
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<% }) %>
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<%= isTest ? '/* eslint-enable camelcase */' : '' %>
<% if (features.componentClientOnly) { %>
// Component: <ClientOnly>
Vue.component(ClientOnly.name, ClientOnly)
<% } %>
<% if (features.deprecations) { %>
// TODO: Remove in Nuxt 3: <NoSsr>
Vue.component(NoSsr.name, {
...NoSsr,
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render (h, ctx) {
if (process.client && !NoSsr._warned) {
NoSsr._warned = true
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<%= isTest ? '// eslint-disable-next-line no-console' : '' %>
console.warn('<no-ssr> has been deprecated and will be removed in Nuxt 3, please use <client-only> instead')
}
return NoSsr.render(h, ctx)
}
})
<% } %>
// Component: <NuxtChild>
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Vue.component(NuxtChild.name, NuxtChild)
<% if (features.componentAliases) { %>Vue.component('NChild', NuxtChild)<% } %>
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// Component NuxtLink is imported in server.js or client.js
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// Component: <Nuxt>
Vue.component(Nuxt.name, Nuxt)
<% if (features.meta) {
// vue-meta configuration
const vueMetaOptions = {
...nuxtOptions.vueMeta,
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keyName: 'head', // the component option name that vue-meta looks for meta info on.
attribute: 'data-n-head', // the attribute name vue-meta adds to the tags it observes
ssrAttribute: 'data-n-head-ssr', // the attribute name that lets vue-meta know that meta info has already been server-rendered
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tagIDKeyName: 'hid' // the property name that vue-meta uses to determine whether to overwrite or append a tag
}
%>
Vue.use(Meta, <%= JSON.stringify(vueMetaOptions) %>)<%= isTest ? '// eslint-disable-line' : '' %>
<% } %>
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<% if (features.transitions) { %>
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const defaultTransition = <%=
serialize(pageTransition)
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.replace('beforeEnter(', 'function(').replace('enter(', 'function(').replace('afterEnter(', 'function(')
.replace('enterCancelled(', 'function(').replace('beforeLeave(', 'function(').replace('leave(', 'function(')
.replace('afterLeave(', 'function(').replace('leaveCancelled(', 'function(').replace('beforeAppear(', 'function(')
.replace('appear(', 'function(').replace('afterAppear(', 'function(').replace('appearCancelled(', 'function(')
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%><%= isTest ? '// eslint-disable-line' : '' %>
<% } %>
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async function createApp (ssrContext) {
const router = await createRouter(ssrContext)
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<% if (store) { %>
const store = createStore(ssrContext)
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// Add this.$router into store actions/mutations
store.$router = router
<% if (mode === 'universal') { %>
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// Fix SSR caveat https://github.com/nuxt/nuxt.js/issues/3757#issuecomment-414689141
const registerModule = store.registerModule
store.registerModule = (path, rawModule, options) => registerModule.call(store, path, rawModule, Object.assign({ preserveState: process.client }, options))
<% } %>
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<% } %>
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// Create Root instance
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// here we inject the router and store to all child components,
// making them available everywhere as `this.$router` and `this.$store`.
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const app = {
<% if (features.meta) { %>
<%= isTest ? '/* eslint-disable array-bracket-spacing, quotes, quote-props, semi, indent, comma-spacing, key-spacing, object-curly-spacing, space-before-function-paren, object-shorthand */' : '' %>
head: <%= serializeFunction(head) %>,
<%= isTest ? '/* eslint-enable array-bracket-spacing, quotes, quote-props, semi, indent, comma-spacing, key-spacing, object-curly-spacing, space-before-function-paren, object-shorthand */' : '' %>
<% } %>
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<% if (store) { %>store,<% } %>
router,
nuxt: {
<% if (features.transitions) { %>
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defaultTransition,
transitions: [defaultTransition],
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setTransitions (transitions) {
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if (!Array.isArray(transitions)) {
transitions = [transitions]
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}
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transitions = transitions.map((transition) => {
if (!transition) {
transition = defaultTransition
} else if (typeof transition === 'string') {
transition = Object.assign({}, defaultTransition, { name: transition })
} else {
transition = Object.assign({}, defaultTransition, transition)
}
return transition
})
this.$options.nuxt.transitions = transitions
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return transitions
},
<% } %>
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err: null,
dateErr: null,
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error (err) {
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err = err || null
app.context._errored = Boolean(err)
err = err ? normalizeError(err) : null
let nuxt = app.nuxt // to work with @vue/composition-api, see https://github.com/nuxt/nuxt.js/issues/6517#issuecomment-573280207
if (this) {
nuxt = this.nuxt || this.$options.nuxt
}
nuxt.dateErr = Date.now()
nuxt.err = err
// Used in src/server.js
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if (ssrContext) {
ssrContext.nuxt.error = err
}
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return err
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}
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},
...App
}
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<% if (store) { %>
// Make app available into store via this.app
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store.app = app
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<% } %>
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const next = ssrContext ? ssrContext.next : location => app.router.push(location)
// Resolve route
let route
if (ssrContext) {
route = router.resolve(ssrContext.url).route
} else {
const path = getLocation(router.options.base, router.options.mode)
route = router.resolve(path).route
}
// Set context to app.context
await setContext(app, {
<% if (store) { %>store,<% } %>
route,
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next,
error: app.nuxt.error.bind(app),
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payload: ssrContext ? ssrContext.payload : undefined,
req: ssrContext ? ssrContext.req : undefined,
res: ssrContext ? ssrContext.res : undefined,
beforeRenderFns: ssrContext ? ssrContext.beforeRenderFns : undefined,
ssrContext
})
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<% if (plugins.length) { %>
const inject = function (key, value) {
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if (!key) {
throw new Error('inject(key, value) has no key provided')
}
if (value === undefined) {
throw new Error('inject(key, value) has no value provided')
}
key = '$' + key
// Add into app
app[key] = value
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<% if (store) { %>
// Add into store
store[key] = app[key]
<% } %>
// Check if plugin not already installed
const installKey = '__<%= globals.pluginPrefix %>_' + key + '_installed__'
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if (Vue[installKey]) {
return
}
Vue[installKey] = true
// Call Vue.use() to install the plugin into vm
Vue.use(() => {
if (!Object.prototype.hasOwnProperty.call(Vue, key)) {
Object.defineProperty(Vue.prototype, key, {
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get () {
return this.$root.$options[key]
}
})
}
})
}
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<% } %>
<% if (store) { %>
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if (process.client) {
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// Replace store state before plugins execution
if (window.<%= globals.context %> && window.<%= globals.context %>.state) {
store.replaceState(window.<%= globals.context %>.state)
}
}
<% } %>
// Plugin execution
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<%= isTest ? '/* eslint-disable camelcase */' : '' %>
<% plugins.forEach((plugin) => { %>
<% if (plugin.mode == 'client') { %>
if (process.client && typeof <%= plugin.name %> === 'function') {
await <%= plugin.name %>(app.context, inject)
}
<% } else if (plugin.mode == 'server') { %>
if (process.server && typeof <%= plugin.name %> === 'function') {
await <%= plugin.name %>(app.context, inject)
}
<% } else { %>
if (typeof <%= plugin.name %> === 'function') {
await <%= plugin.name %>(app.context, inject)
}
<% } %>
<% }) %>
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<%= isTest ? '/* eslint-enable camelcase */' : '' %>
// If server-side, wait for async component to be resolved first
if (process.server && ssrContext && ssrContext.url) {
await new Promise((resolve, reject) => {
router.push(ssrContext.url, resolve, () => {
// navigated to a different route in router guard
const unregister = router.afterEach(async (to, from, next) => {
ssrContext.url = to.fullPath
app.context.route = await getRouteData(to)
app.context.params = to.params || {}
app.context.query = to.query || {}
unregister()
resolve()
})
})
})
}
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return {
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<% if(store) { %>store,<% } %>
app,
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router
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}
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}
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export { createApp, NuxtError }