Init

client/.nuxt/client.js

@@ -0,0 +1,817 @@
+import Vue from 'vue'
+import fetch from 'unfetch'
+import middleware from './middleware.js'
+import {
+  applyAsyncData,
+  promisify,
+  middlewareSeries,
+  sanitizeComponent,
+  resolveRouteComponents,
+  getMatchedComponents,
+  getMatchedComponentsInstances,
+  flatMapComponents,
+  setContext,
+  getLocation,
+  compile,
+  getQueryDiff,
+  globalHandleError,
+  isSamePath,
+  urlJoin
+} from './utils.js'
+import { createApp, NuxtError } from './index.js'
+import fetchMixin from './mixins/fetch.client'
+import NuxtLink from './components/nuxt-link.client.js' // should be included after ./index.js
+
+// Fetch mixin
+if (!Vue.__nuxt__fetch__mixin__) {
+  Vue.mixin(fetchMixin)
+  Vue.__nuxt__fetch__mixin__ = true
+}
+
+// Component: <NuxtLink>
+Vue.component(NuxtLink.name, NuxtLink)
+Vue.component('NLink', NuxtLink)
+
+if (!global.fetch) { global.fetch = fetch }
+
+// Global shared references
+let _lastPaths = []
+let app
+let router
+let store
+
+// Try to rehydrate SSR data from window
+const NUXT = window.__NUXT__ || {}
+
+const $config = NUXT.config || {}
+if ($config._app) {
+  __webpack_public_path__ = urlJoin($config._app.cdnURL, $config._app.assetsPath)
+}
+
+Object.assign(Vue.config, {"silent":false,"performance":true})
+
+const logs = NUXT.logs || []
+  if (logs.length > 0) {
+  const ssrLogStyle = 'background: #2E495E;border-radius: 0.5em;color: white;font-weight: bold;padding: 2px 0.5em;'
+  console.group && console.group ('%cNuxt SSR', ssrLogStyle)
+  logs.forEach(logObj => (console[logObj.type] || console.log)(...logObj.args))
+  delete NUXT.logs
+  console.groupEnd && console.groupEnd()
+}
+
+// Setup global Vue error handler
+if (!Vue.config.$nuxt) {
+  const defaultErrorHandler = Vue.config.errorHandler
+  Vue.config.errorHandler = async (err, vm, info, ...rest) => {
+    // Call other handler if exist
+    let handled = null
+    if (typeof defaultErrorHandler === 'function') {
+      handled = defaultErrorHandler(err, vm, info, ...rest)
+    }
+    if (handled === true) {
+      return handled
+    }
+
+    if (vm && vm.$root) {
+      const nuxtApp = Object.keys(Vue.config.$nuxt)
+        .find(nuxtInstance => vm.$root[nuxtInstance])
+
+      // Show Nuxt Error Page
+      if (nuxtApp && vm.$root[nuxtApp].error && info !== 'render function') {
+        const currentApp = vm.$root[nuxtApp]
+
+        // Load error layout
+        let layout = (NuxtError.options || NuxtError).layout
+        if (typeof layout === 'function') {
+          layout = layout(currentApp.context)
+        }
+        if (layout) {
+          await currentApp.loadLayout(layout).catch(() => {})
+        }
+        currentApp.setLayout(layout)
+
+        currentApp.error(err)
+      }
+    }
+
+    if (typeof defaultErrorHandler === 'function') {
+      return handled
+    }
+
+    // Log to console
+    if (process.env.NODE_ENV !== 'production') {
+      console.error(err)
+    } else {
+      console.error(err.message || err)
+    }
+  }
+  Vue.config.$nuxt = {}
+}
+Vue.config.$nuxt.$nuxt = true
+
+const errorHandler = Vue.config.errorHandler || console.error
+
+// Create and mount App
+createApp(null, NUXT.config).then(mountApp).catch(errorHandler)
+
+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 (toComponents, to, from) {
+  const componentTransitions = (component) => {
+    const transition = componentOption(component, 'transition', to, from) || {}
+    return (typeof transition === 'string' ? { name: transition } : transition)
+  }
+
+  const fromComponents = from ? getMatchedComponents(from) : []
+  const maxDepth = Math.max(toComponents.length, fromComponents.length)
+
+  const mergedTransitions = []
+  for (let i=0; i<maxDepth; i++) {
+    // Clone original objects to prevent overrides
+    const toTransitions = Object.assign({}, componentTransitions(toComponents[i]))
+    const transitions = Object.assign({}, componentTransitions(fromComponents[i]))
+
+    // Combine transitions & prefer `leave` properties of "from" route
+    Object.keys(toTransitions)
+        .filter(key => typeof toTransitions[key] !== 'undefined' && !key.toLowerCase().includes('leave'))
+        .forEach((key) => { transitions[key] = toTransitions[key] })
+
+    mergedTransitions.push(transitions)
+  }
+  return mergedTransitions
+}
+
+async function loadAsyncComponents (to, from, next) {
+  // Check if route changed (this._routeChanged), only if the page is not an error (for validate())
+  this._routeChanged = Boolean(app.nuxt.err) || from.name !== to.name
+  this._paramChanged = !this._routeChanged && from.path !== to.path
+  this._queryChanged = !this._paramChanged && from.fullPath !== to.fullPath
+  this._diffQuery = (this._queryChanged ? getQueryDiff(to.query, from.query) : [])
+
+  if ((this._routeChanged || this._paramChanged) && this.$loading.start && !this.$loading.manual) {
+    this.$loading.start()
+  }
+
+  try {
+    if (this._queryChanged) {
+      const Components = await resolveRouteComponents(
+        to,
+        (Component, instance) => ({ Component, instance })
+      )
+      // Add a marker on each component that it needs to refresh or not
+      const startLoader = Components.some(({ Component, instance }) => {
+        const watchQuery = Component.options.watchQuery
+        if (watchQuery === true) {
+          return true
+        }
+        if (Array.isArray(watchQuery)) {
+          return watchQuery.some(key => this._diffQuery[key])
+        }
+        if (typeof watchQuery === 'function') {
+          return watchQuery.apply(instance, [to.query, from.query])
+        }
+        return false
+      })
+
+      if (startLoader && this.$loading.start && !this.$loading.manual) {
+        this.$loading.start()
+      }
+    }
+    // Call next()
+    next()
+  } catch (error) {
+    const err = error || {}
+    const statusCode = err.statusCode || err.status || (err.response && err.response.status) || 500
+    const message = err.message || ''
+
+    // Handle chunk loading errors
+    // This may be due to a new deployment or a network problem
+    if (/^Loading( CSS)? chunk (\d)+ failed\./.test(message)) {
+      window.location.reload(true /* skip cache */)
+      return // prevent error page blinking for user
+    }
+
+    this.error({ statusCode, message })
+    this.$nuxt.$emit('routeChanged', to, from, err)
+    next()
+  }
+}
+
+function applySSRData (Component, ssrData) {
+  if (NUXT.serverRendered && ssrData) {
+    applyAsyncData(Component, ssrData)
+  }
+
+  Component._Ctor = Component
+  return Component
+}
+
+// Get matched components
+function resolveComponents (route) {
+  return flatMapComponents(route, 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 = []
+  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)
+    layout = sanitizeComponent(layout)
+    if (layout.options.middleware) {
+      midd = midd.concat(layout.options.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._routeChanged === false && this._paramChanged === false && this._queryChanged === false) {
+    return next()
+  }
+  // Handle first render on SPA mode
+  let spaFallback = false
+  if (to === from) {
+    _lastPaths = []
+    spaFallback = true
+  } else {
+    const fromMatches = []
+    _lastPaths = getMatchedComponents(from, fromMatches).map((Component, i) => {
+      return compile(from.matched[fromMatches[i]].path)(from.params)
+    })
+  }
+
+  // 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
+    next(path)
+  }
+
+  // Update context
+  await setContext(app, {
+    route: to,
+    from,
+    next: _next.bind(this)
+  })
+  this._dateLastError = app.nuxt.dateErr
+  this._hadError = Boolean(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 errorLayout = (NuxtError.options || NuxtError).layout
+    const layout = await this.loadLayout(
+      typeof errorLayout === 'function'
+        ? errorLayout.call(NuxtError, app.context)
+        : errorLayout
+    )
+
+    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
+    try {
+      for (const Component of Components) {
+        if (typeof Component.options.validate !== 'function') {
+          continue
+        }
+
+        isValid = await Component.options.validate(app.context)
+
+        if (!isValid) {
+          break
+        }
+      }
+    } catch (validationError) {
+      // ...If .validate() threw an error
+      this.error({
+        statusCode: validationError.statusCode || '500',
+        message: validationError.message
+      })
+      return next()
+    }
+
+    // ...If .validate() returned false
+    if (!isValid) {
+      this.error({ statusCode: 404, message: 'This page could not be found' })
+      return next()
+    }
+
+    let instances
+    // Call asyncData & fetch hooks on components matched by the route.
+    await Promise.all(Components.map(async (Component, i) => {
+      // Check if only children route changed
+      Component._path = compile(to.matched[matches[i]].path)(to.params)
+      Component._dataRefresh = false
+      const childPathChanged = Component._path !== _lastPaths[i]
+      // Refresh component (call asyncData & fetch) when:
+      // Route path changed part includes current component
+      // Or route param changed part includes current component and watchParam is not `false`
+      // Or route query is changed and watchQuery returns `true`
+      if (this._routeChanged && childPathChanged) {
+        Component._dataRefresh = true
+      } else if (this._paramChanged && childPathChanged) {
+        const watchParam = Component.options.watchParam
+        Component._dataRefresh = watchParam !== false
+      } else if (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])
+        } else if (typeof watchQuery === 'function') {
+          if (!instances) {
+            instances = getMatchedComponentsInstances(to)
+          }
+          Component._dataRefresh = watchQuery.apply(instances[i], [to.query, from.query])
+        }
+      }
+      if (!this._hadError && this._isMounted && !Component._dataRefresh) {
+        return
+      }
+
+      const promises = []
+
+      const hasAsyncData = (
+        Component.options.asyncData &&
+        typeof Component.options.asyncData === 'function'
+      )
+
+      const hasFetch = Boolean(Component.options.fetch) && Component.options.fetch.length
+
+      const loadingIncrease = (hasAsyncData && hasFetch) ? 30 : 45
+
+      // Call asyncData(context)
+      if (hasAsyncData) {
+        const promise = promisify(Component.options.asyncData, app.context)
+
+        promise.then((asyncDataResult) => {
+          applyAsyncData(Component, asyncDataResult)
+
+          if (this.$loading.increase) {
+            this.$loading.increase(loadingIncrease)
+          }
+        })
+        promises.push(promise)
+      }
+
+      // Check disabled page loading
+      this.$loading.manual = Component.options.loading === false
+
+      // Call fetch(context)
+      if (hasFetch) {
+        let p = Component.options.fetch(app.context)
+        if (!p || (!(p instanceof Promise) && (typeof p.then !== 'function'))) {
+          p = Promise.resolve(p)
+        }
+        p.then((fetchResult) => {
+          if (this.$loading.increase) {
+            this.$loading.increase(loadingIncrease)
+          }
+        })
+        promises.push(p)
+      }
+
+      return Promise.all(promises)
+    }))
+
+    // If not redirected
+    if (!nextCalled) {
+      if (this.$loading.finish && !this.$loading.manual) {
+        this.$loading.finish()
+      }
+
+      next()
+    }
+  } catch (err) {
+    const error = err || {}
+    if (error.message === 'ERR_REDIRECT') {
+      return this.$nuxt.$emit('routeChanged', to, from, error)
+    }
+    _lastPaths = []
+
+    globalHandleError(error)
+
+    // Load error layout
+    let layout = (NuxtError.options || 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()
+  }
+}
+
+// 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 setLayoutForNextPage (to) {
+  // Set layout
+  let hasError = Boolean(this.$options.nuxt.err)
+  if (this._hadError && this._dateLastError === this.$options.nuxt.dateErr) {
+    hasError = false
+  }
+  let layout = hasError
+    ? (NuxtError.options || NuxtError).layout
+    : to.matched[0].components.default.options.layout
+
+  if (typeof layout === 'function') {
+    layout = layout(app.context)
+  }
+
+  this.setLayout(layout)
+}
+
+function checkForErrors (app) {
+  // Hide error component if no error
+  if (app._hadError && app._dateLastError === app.$options.nuxt.dateErr) {
+    app.error()
+  }
+}
+
+// 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 $data ourselves
+function fixPrepatch (to, ___) {
+  if (this._routeChanged === false && this._paramChanged === false && this._queryChanged === false) {
+    return
+  }
+
+  const instances = getMatchedComponentsInstances(to)
+  const Components = getMatchedComponents(to)
+
+  let triggerScroll = false
+
+  Vue.nextTick(() => {
+    instances.forEach((instance, i) => {
+      if (!instance || instance._isDestroyed) {
+        return
+      }
+
+      if (
+        instance.constructor._dataRefresh &&
+        Components[i] === instance.constructor &&
+        instance.$vnode.data.keepAlive !== true &&
+        typeof instance.constructor.options.data === 'function'
+      ) {
+        const newData = instance.constructor.options.data.call(instance)
+        for (const key in newData) {
+          Vue.set(instance.$data, key, newData[key])
+        }
+
+        triggerScroll = true
+      }
+    })
+
+    if (triggerScroll) {
+      // Ensure to trigger scroll event after calling scrollBehavior
+      window.$nuxt.$nextTick(() => {
+        window.$nuxt.$emit('triggerScroll')
+      })
+    }
+
+    checkForErrors(this)
+
+    // Hot reloading
+    setTimeout(() => hotReloadAPI(this), 100)
+  })
+}
+
+function nuxtReady (_app) {
+  window.onNuxtReadyCbs.forEach((cb) => {
+    if (typeof cb === 'function') {
+      cb(_app)
+    }
+  })
+  // Special JSDOM
+  if (typeof window._onNuxtLoaded === 'function') {
+    window._onNuxtLoaded(_app)
+  }
+  // Add router hooks
+  router.afterEach((to, from) => {
+    // Wait for fixPrepatch + $data updates
+    Vue.nextTick(() => _app.$nuxt.$emit('routeChanged', to, from))
+  })
+}
+
+const noopData = () => { return {} }
+const noopFetch = () => {}
+
+// Special hot reload with asyncData(context)
+function getNuxtChildComponents ($parent, $components = []) {
+  $parent.$children.forEach(($child) => {
+    if ($child.$vnode && $child.$vnode.data.nuxtChild && !$components.find(c =>(c.$options.__file === $child.$options.__file))) {
+      $components.push($child)
+    }
+    if ($child.$children && $child.$children.length) {
+      getNuxtChildComponents($child, $components)
+    }
+  })
+
+  return $components
+}
+
+function hotReloadAPI(_app) {
+  if (!module.hot) return
+
+  let $components = getNuxtChildComponents(_app.$nuxt, [])
+
+  $components.forEach(addHotReload.bind(_app))
+}
+
+function addHotReload ($component, depth) {
+  if ($component.$vnode.data._hasHotReload) return
+  $component.$vnode.data._hasHotReload = true
+
+  var _forceUpdate = $component.$forceUpdate.bind($component.$parent)
+
+  $component.$vnode.context.$forceUpdate = async () => {
+    let Components = getMatchedComponents(router.currentRoute)
+    let Component = Components[depth]
+    if (!Component) {
+      return _forceUpdate()
+    }
+    if (typeof Component === 'object' && !Component.options) {
+      // Updated via vue-router resolveAsyncComponents()
+      Component = Vue.extend(Component)
+      Component._Ctor = Component
+    }
+    this.error()
+    let promises = []
+    const next = function (path) {
+      this.$loading.finish && this.$loading.finish()
+      router.push(path)
+    }
+    await setContext(app, {
+      route: router.currentRoute,
+      isHMR: true,
+      next: next.bind(this)
+    })
+    const context = app.context
+
+    if (this.$loading.start && !this.$loading.manual) {
+      this.$loading.start()
+    }
+
+    callMiddleware.call(this, Components, context)
+    .then(() => {
+      // If layout changed
+      if (depth !== 0) {
+        return
+      }
+
+      let layout = Component.options.layout || 'default'
+      if (typeof layout === 'function') {
+        layout = layout(context)
+      }
+      if (this.layoutName === layout) {
+        return
+      }
+      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)
+        this.$loading.increase && this.$loading.increase(30)
+      })
+      promises.push(pAsyncData)
+
+      // Call fetch()
+      Component.options.fetch = Component.options.fetch || noopFetch
+      let pFetch = Component.options.fetch.length && Component.options.fetch(context)
+      if (!pFetch || (!(pFetch instanceof Promise) && (typeof pFetch.then !== 'function'))) { pFetch = Promise.resolve(pFetch) }
+      pFetch.then(() => this.$loading.increase && this.$loading.increase(30))
+      promises.push(pFetch)
+
+      return Promise.all(promises)
+    })
+    .then(() => {
+      this.$loading.finish && this.$loading.finish()
+      _forceUpdate()
+      setTimeout(() => hotReloadAPI(this), 100)
+    })
+  }
+}
+
+async function mountApp (__app) {
+  // Set global variables
+  app = __app.app
+  router = __app.router
+  store = __app.store
+
+  // Create Vue instance
+  const _app = new Vue(app)
+
+  // Mounts Vue app to DOM element
+  const mount = () => {
+    _app.$mount('#__nuxt')
+
+    // Add afterEach router hooks
+    router.afterEach(normalizeComponents)
+
+    router.afterEach(setLayoutForNextPage.bind(_app))
+
+    router.afterEach(fixPrepatch.bind(_app))
+
+    // Listen for first Vue update
+    Vue.nextTick(() => {
+      // Call window.{{globals.readyCallback}} callbacks
+      nuxtReady(_app)
+
+      // Enable hot reloading
+      hotReloadAPI(_app)
+    })
+  }
+
+  // Resolve route components
+  const Components = await Promise.all(resolveComponents(app.context.route))
+
+  // Enable transitions
+  _app.setTransitions = _app.$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 beforeEach router hooks
+  router.beforeEach(loadAsyncComponents.bind(_app))
+  router.beforeEach(render.bind(_app))
+
+  // Fix in static: remove trailing slash to force hydration
+  // Full static, if server-rendered: hydrate, to allow custom redirect to generated page
+
+  // Fix in static: remove trailing slash to force hydration
+  if (NUXT.serverRendered && isSamePath(NUXT.routePath, _app.context.route.path)) {
+    return mount()
+  }
+
+  // First render on client-side
+  const clientFirstMount = () => {
+    normalizeComponents(router.currentRoute, router.currentRoute)
+    setLayoutForNextPage.call(_app, router.currentRoute)
+    checkForErrors(_app)
+    // Don't call fixPrepatch.call(_app, router.currentRoute, router.currentRoute) since it's first render
+    mount()
+  }
+
+  // fix: force next tick to avoid having same timestamp when an error happen on spa fallback
+  await new Promise(resolve => setTimeout(resolve, 0))
+  render.call(_app, router.currentRoute, router.currentRoute, (path) => {
+    // If not redirected
+    if (!path) {
+      clientFirstMount()
+      return
+    }
+
+    // Add a one-time afterEach hook to
+    // mount the app wait for redirect and route gets resolved
+    const unregisterHook = router.afterEach((to, from) => {
+      unregisterHook()
+      clientFirstMount()
+    })
+
+    // Push the path and let route to be resolved
+    router.push(path, undefined, (err) => {
+      if (err) {
+        errorHandler(err)
+      }
+    })
+  })
+}