deprecation: Deprecate isServer, isClient and dev

lib/app/index.js

@@ -107,8 +107,6 @@ async function createApp (ssrContext) {
 
   // Set context to app.context
   await setContext(app, {
-    isServer: !!ssrContext,
-    isClient: !ssrContext,
     route,
     next,
     error: app.nuxt.error.bind(app),

lib/app/server.js

@@ -207,6 +207,6 @@ export default async ssrContext => {
 
   // Call beforeNuxtRender methods & add store state
   await beforeRender()
- 
+
   return _app
 }

lib/app/utils.js

@@ -102,8 +102,14 @@ export async function setContext(app, context) {
   // If context not defined, create it
   if (!app.context) {
     app.context = {
-      isServer: !!context.isServer,
-      isClient: !!context.isClient,
+      get isServer() {
+        console.warn('context.isServer has been deprecated, please use process.server instead.')
+        return process.server
+      },
+      get isClient() {
+        console.warn('context.isClient has been deprecated, please use process.client instead.')
+        return process.client
+      },
       isStatic: process.static,
       isDev: <%= isDev %>,
       isHMR: false,
@@ -132,8 +138,8 @@ export async function setContext(app, context) {
         status: status
       })
     }
-    if (app.context.isServer) app.context.beforeNuxtRender = (fn) => context.beforeRenderFns.push(fn)
-    if (app.context.isClient) app.context.nuxtState = window.__NUXT__
+    if (process.server) app.context.beforeNuxtRender = (fn) => context.beforeRenderFns.push(fn)
+    if (process.client) app.context.nuxtState = window.__NUXT__
   }
   // Dynamic keys
   app.context.next = context.next

lib/builder/webpack/client.config.js

@@ -129,6 +129,7 @@ export default function webpackClientConfig () {
       'process.env.VUE_ENV': JSON.stringify('client'),
       'process.mode': JSON.stringify(this.options.mode),
       'process.browser': true,
+      'process.client': true,
       'process.server': false,
       'process.static': this.isStatic
     }))
@@ -220,8 +221,13 @@ export default function webpackClientConfig () {
 
   // Extend config
   if (typeof this.options.build.extend === 'function') {
+    const isDev = this.options.dev
     const extendedConfig = this.options.build.extend.call(this, config, {
-      dev: this.options.dev,
+      get dev () {
+        console.warn('dev has been deprecated into build.extend, please use isDev') // eslint-disable-line no-console
+        return isDev
+      },
+      isDev,
       isClient: true
     })
     // Only overwrite config when something is returned for backwards compatibility

lib/builder/webpack/server.config.js

@@ -43,6 +43,7 @@ export default function webpackServerConfig () {
         'process.env.VUE_ENV': JSON.stringify('server'),
         'process.mode': JSON.stringify(this.options.mode),
         'process.browser': false,
+        'process.client': false,
         'process.server': true,
         'process.static': this.isStatic
       }))
@@ -75,8 +76,13 @@ export default function webpackServerConfig () {
 
   // Extend config
   if (typeof this.options.build.extend === 'function') {
+    const isDev = this.options.dev
     const extendedConfig = this.options.build.extend.call(this, config, {
-      dev: this.options.dev,
+      get dev () {
+        console.warn('dev has been deprecated into build.extend, please use isDev') // eslint-disable-line no-console
+        return isDev
+      },
+      isDev,
       isServer: true
     })
     // Only overwrite config when something is returned for backwards compatibility

lib/core/renderer.js

@@ -111,7 +111,6 @@ export default class Renderer extends Tapable {
     await this.applyPluginsAsync('resourcesLoaded', this.resources)
 
     if (updated.length > 0) {
-      // debug('Updated', updated.join(', '), isServer)
       this.createRenderer()
     }
   }
@@ -484,7 +483,6 @@ export default class Renderer extends Tapable {
 
     // Add url and isSever to the context
     context.url = url
-    context.isServer = true
 
     // Basic response if SSR is disabled or spa data provided
     const spa = context.spa || (context.res && context.res.spa)