Merge master into next-export.

examples/with-react-md/next.config.js

@@ -0,0 +1,9 @@
+module.exports = {
+  webpack: function (config) {
+    if (config.resolve.alias) {
+      delete config.resolve.alias['react']
+      delete config.resolve.alias['react-dom']
+    }
+    return config
+  }
+}

examples/with-styled-components/.babelrc

@@ -1,9 +1,8 @@
 {
   "presets": [
-    "next/babel",
-    "stage-0"
+    "next/babel"
   ],
   "plugins": [
     ["styled-components", { "ssr": true, "displayName": true, "preprocess": false } ]
   ]
-}
+}

package.json

@@ -79,7 +79,7 @@
     "mz": "2.6.0",
     "path-match": "1.2.4",
     "pkg-up": "2.0.0",
-    "prop-types": "15.5.9",
+    "prop-types": "15.5.10",
     "react-hot-loader": "3.0.0-beta.6",
     "send": "0.15.2",
     "source-map-support": "0.4.15",
@@ -96,7 +96,7 @@
   },
   "devDependencies": {
     "babel-eslint": "7.2.3",
-    "babel-jest": "18.0.0",
+    "babel-jest": "20.0.1",
     "babel-plugin-istanbul": "4.1.3",
     "babel-plugin-transform-remove-strict-mode": "0.0.2",
     "babel-preset-es2015": "6.24.1",
@@ -106,13 +106,14 @@
     "coveralls": "2.13.1",
     "cross-env": "4.0.0",
     "express": "4.15.2",
+    "cross-env": "5.0.0",
     "fly": "2.0.6",
     "fly-babel": "2.1.1",
     "fly-clear": "1.0.1",
     "fly-esnext": "2.0.1",
     "fly-watch": "1.1.1",
     "husky": "0.13.3",
-    "jest-cli": "19.0.1",
+    "jest-cli": "20.0.1",
     "lint-staged": "^3.4.0",
     "node-fetch": "1.6.3",
     "node-notifier": "5.1.2",

readme.md

@@ -683,9 +683,15 @@ In order to extend our usage of `webpack`, you can define a function that extend
 
 module.exports = {
   webpack: (config, { dev }) => {
-    // Perform customizations to config
-    
-    // Important: return the modified config
+    // Perform customizations to webpack config
+
+    // Important: return the modified config
+    return config
+  },
+  webpackDevMiddleware: (config) => {
+    // Perform customizations to webpack dev middleware config
+
+    // Important: return the modified config
     return config
   }
 }

server/config.js

@@ -5,6 +5,7 @@ const cache = new Map()
 
 const defaultConfig = {
   webpack: null,
+  webpackDevMiddleware: null,
   poweredByHeader: true,
   distDir: '.next',
   assetPrefix: ''

server/hot-reloader.js

@@ -138,14 +138,21 @@ export default class HotReloader {
       }
     } : {}
 
-    this.webpackDevMiddleware = webpackDevMiddleware(compiler, {
+    let webpackDevMiddlewareConfig = {
       publicPath: '/_next/webpack/',
       noInfo: true,
       quiet: true,
       clientLogLevel: 'warning',
       watchOptions: { ignored },
       ...windowsSettings
-    })
+    }
+
+    if (this.config.webpackDevMiddleware) {
+      console.log('> Using "webpackDevMiddleware" config function defined in next.config.js.')
+      webpackDevMiddlewareConfig = this.config.webpackDevMiddleware(webpackDevMiddlewareConfig)
+    }
+
+    this.webpackDevMiddleware = webpackDevMiddleware(compiler, webpackDevMiddlewareConfig)
 
     this.webpackHotMiddleware = webpackHotMiddleware(compiler, {
       path: '/_next/webpack-hmr',