add docs for building with Rollup (#8799)

* add docs for building with Rollup

* Tiny unrelated fix

docs/installation.md

@@ -101,7 +101,7 @@ If you use [Create React App](https://github.com/facebookincubator/create-react-
 
 #### Webpack
 
--Include both `DefinePlugin` and `UglifyJsPlugin` into your production Webpack configuration as described in [this guide](https://webpack.js.org/guides/production-build/).
+Include both `DefinePlugin` and `UglifyJsPlugin` into your production Webpack configuration as described in [this guide](https://webpack.js.org/guides/production-build/).
 
 > **Note:**
 >
@@ -111,6 +111,10 @@ If you use [Create React App](https://github.com/facebookincubator/create-react-
 
 Run Browserify with `NODE_ENV` environment variable set to `production` and use [UglifyJS](https://github.com/mishoo/UglifyJS) as the last build step so that development-only code gets stripped out.
 
+#### Rollup
+
+Use [rollup-plugin-replace](https://github.com/rollup/rollup-plugin-replace) plugin together with [rollup-plugin-commonjs](https://github.com/rollup/rollup-plugin-commonjs) (in that order) to remove development-only code. [See this gist](https://gist.github.com/Rich-Harris/cb14f4bc0670c47d00d191565be36bf0) for a complete setup example.
+
 ### Using a CDN
 
 If you don't want to use npm to manage client packages, the `react` and `react-dom` npm packages also provide single-file distributions in `dist` folders, which are hosted on a CDN:

docs/optimizing-performance.md

@@ -25,6 +25,18 @@ new webpack.DefinePlugin({
 new webpack.optimize.UglifyJsPlugin()
 ```
 
+* For Rollup, you need to use the [replace](https://github.com/rollup/rollup-plugin-replace) plugin *before* the [commonjs](https://github.com/rollup/rollup-plugin-commonjs) plugin so that development-only modules are not imported. For a complete setup example [see this gist](https://gist.github.com/Rich-Harris/cb14f4bc0670c47d00d191565be36bf0).
+
+```js
+plugins: [
+  require('rollup-plugin-replace')({
+    'process.env.NODE_ENV': JSON.stringify('production')
+  }),
+  require('rollup-plugin-commonjs')(),
+  // ...
+]
+```
+
 The development build includes extra warnings that are helpful when building your apps, but it is slower due to the extra bookkeeping it does.
 
 ## Profiling Components with Chrome Timeline