diff --git a/blog/2016/07/13/mixins-considered-harmful.html b/blog/2016/07/13/mixins-considered-harmful.html index f29535ac37..1e40384a53 100644 --- a/blog/2016/07/13/mixins-considered-harmful.html +++ b/blog/2016/07/13/mixins-considered-harmful.html @@ -474,7 +474,7 @@

Solution #

If you see rendering logic inside a mixin, it’s time to extract a component!

-

Instead of RowMixin, we will define a <Row> component. We will also replace the convention of defining a getHeaderText() method with the standard mechanism of top-data flow in React: passing props.

+

Instead of RowMixin, we will define a <RowHeader> component. We will also replace the convention of defining a getHeaderText() method with the standard mechanism of top-data flow in React: passing props.

Finally, since neither of those components currently need lifecycle hooks or state, we can declare them as simple functions:

function RowHeader(props) {
diff --git a/blog/index.html b/blog/index.html
index 2ff38957d7..641d814eed 100644
--- a/blog/index.html
+++ b/blog/index.html
@@ -1191,7 +1191,7 @@ The console output is tuned to be minimal to help you focus on the problems:

 
Solution #

 
If you see rendering logic inside a mixin, it’s time to extract a component!

 
-
Instead of RowMixin, we will define a <Row> component. We will also replace the convention of defining a getHeaderText() method with the standard mechanism of top-data flow in React: passing props.

+
Instead of RowMixin, we will define a <RowHeader> component. We will also replace the convention of defining a getHeaderText() method with the standard mechanism of top-data flow in React: passing props.

 
 
Finally, since neither of those components currently need lifecycle hooks or state, we can declare them as simple functions:

 
function RowHeader(props) {
diff --git a/contributing/how-to-contribute.html b/contributing/how-to-contribute.html
index 319fe2d03e..c4baec17e7 100644
--- a/contributing/how-to-contribute.html
+++ b/contributing/how-to-contribute.html
@@ -128,6 +128,7 @@
 
  • Ensure the test suite passes (npm test).
    • 
 
  • Make sure your code lints (npm run lint).
    • 
 
  • Run the Flow typechecks (npm run flow).
    • 
+
  • If you added or removed any tests, run ./scripts/fiber/record-tests before submitting the pull request, and commit the resulting changes.
    • 
 
  • If you haven't already, complete the CLA.
    • 
 
 
    Contributor License Agreement (CLA) #
    
@@ -180,7 +181,7 @@ You can check the status of your code styling by simply running npm run li
 
  • 2 spaces for indentation (no tabs)
    • 
 
  • Prefer ' over "
    • 
 
  • 'use strict';
    • 
-
  • 80 character line length (except documentation)
    • 
+
  • 120 character line length (except documentation)
    • 
 
  • Write "attractive" code
    • 
 
  • Do not use the optional parameters of setTimeout and setInterval
    • 
 
diff --git a/docs/forms.html b/docs/forms.html
index 52389638bc..ef4ccb70a3 100644
--- a/docs/forms.html
+++ b/docs/forms.html
@@ -223,6 +223,52 @@
 
    Try it on CodePen.
    
 
 
    Overall, this makes it so that <input type="text">, <textarea>, and <select> all work very similarly - they all accept a value attribute that you can use to implement a controlled component.
    
+
    Handling Multiple Inputs #
    
+
    When you need to handle multiple controlled input elements, you can add a name attribute to each element and let a handler function choose what to do based on the value of event.target.name. For example:
    
+
    class Reservation extends React.Component {
+  constructor(props) {
+    super(props);
+    this.state = {
+      isGoing: false,
+      numberOfGuests: 0
+    };
+
+    this.handleInputChange = this.handleInputChange.bind(this);
+  }
+
+  handleInputChange(event) {
+    const target = event.target;
+    const value = target.type === 'checkbox' ? target.checked : target.value;
+    const name = target.name;
+
+    this.setState({
+      [name]: value
+    });
+  }
+
+  render() {
+    return (
+      <div>
+        Is going:
+        <input
+          name="isGoing"
+          type="checkbox"
+          checked={this.state.isGoing}
+          onChange={this.handleInputChange}
+        />
+        Number of guests:
+        <input
+          name="numberOfGuests"
+          type="number"
+          value={this.state.numberOfGuests}
+          onChange={this.handleInputChange}
+        />
+      </div>
+    );
+  }
+}
+
    
+
    Try it on CodePen.
    
 
    Alternatives to Controlled Components #
    
 
    It can sometimes be tedious to use controlled components, because you need to write an event handler for every way your data can change and pipe all of the input state through a React component. This can become particularly annoying when you are converting a preexisting codebase to React, or integrating a React application with a non-React library. In these situations, you might want to check out uncontrolled components, an alternative technique for implementing input forms.
    
 
diff --git a/docs/higher-order-components.html b/docs/higher-order-components.html
index 13fd361dfd..97a2cbf0b6 100644
--- a/docs/higher-order-components.html
+++ b/docs/higher-order-components.html
@@ -133,12 +133,13 @@
         ))}
       </div>
     );
-  }}
+  }
+}
 
    
 
    Later, you write a component for subscribing to a single blog post, which follows a similar pattern:
    
 
    class BlogPost extends React.Component {
-  constructor() {
-    super();
+  constructor(props) {
+    super(props);
     this.handleChange = this.handleChange.bind(this);
     this.state = {
       blogPost: DataSource.getBlogPost(props.id)
@@ -161,7 +162,8 @@
 
   render() {
     return <BlogPost blogPost={this.state.blogPost} />;
-  }}
+  }
+}
 
    
 
    CommentList and BlogPost aren't identical — they call different methods on DataSource, and they render different output. But much of their implementation is the same:
    
 
@@ -219,7 +221,7 @@
       // Notice that we pass through any additional props
       return <WrappedComponent data={this.state.data} {...this.props} />;
     }
-  });
+  };
 }

    Note that an HOC doesn't modify the input component, nor does it use inheritance to copy its behavior. Rather, an HOC composes the original component by wrapping it in a container component. An HOC is a pure function with zero side-effects.

    diff --git a/docs/installation.html b/docs/installation.html index 4605c29006..7a5dd76d12 100644 --- a/docs/installation.html +++ b/docs/installation.html @@ -140,8 +140,16 @@ npm install --save react react-dom

    If you use Create React App, npm run build will create an optimized build of your app in the build folder.

    Webpack #

    Include both DefinePlugin and UglifyJsPlugin into your production Webpack configuration as described in this guide.

    + +
    +

    Note:

    + +

    This guide works with Webpack 1.x and 2, but is hosted on the new Webpack 2 site. If you're not using the Webpack 2 beta, refer to the Webpack 1.x website for all other documentation.

    +

    Browserify #

    Run Browserify with NODE_ENV environment variable set to production and use UglifyJS as the last build step so that development-only code gets stripped out.

    +

    Rollup #

    +

    Use rollup-plugin-replace plugin together with rollup-plugin-commonjs (in that order) to remove development-only code. See this gist 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:

    <script src="https://unpkg.com/react@15/dist/react.js"></script>
diff --git a/docs/introducing-jsx.html b/docs/introducing-jsx.html
index 8b1d5504ff..c41a372c26 100644
--- a/docs/introducing-jsx.html
+++ b/docs/introducing-jsx.html
@@ -112,7 +112,7 @@

    Try it on CodePen.

    -

    We split JSX over multiple lines for readability. While it isn't mandatory, when doing this, we also recommend wrapping it in parentheses to avoid the pitfalls of automatic semicolon insertion.

    +

    We split JSX over multiple lines for readability. While it isn't required, when doing this, we also recommend wrapping it in parentheses to avoid the pitfalls of automatic semicolon insertion.

    JSX is an Expression Too #

    After compilation, JSX expressions become regular JavaScript objects.

    @@ -129,7 +129,9 @@

    You may also use curly braces to embed a JavaScript expression in an attribute:

    const element = <img src={user.avatarUrl}></img>;
-

    Specifying Children with JSX #

    + +

    Don't put quotes around curly braces when embedding a JavaScript expression in an attribute. Otherwise JSX will treat the attribute as a string literal rather than an expression. You should either use quotes (for string values) or curly braces (for expressions), but not both in the same attribute.

    +

    Specifying Children with JSX #

    If a tag is empty, you may close it immediately with />, like XML:

    const element = <img src={user.avatarUrl} />;
    diff --git a/docs/optimizing-performance.html b/docs/optimizing-performance.html index b0723e5cc4..f27ef013ca 100644 --- a/docs/optimizing-performance.html +++ b/docs/optimizing-performance.html @@ -95,6 +95,17 @@ }), new webpack.optimize.UglifyJsPlugin() + +
    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 #

    In the development mode, you can visualize how components mount, update, and unmount, using the performance tools in supported browsers. For example:

    @@ -219,7 +230,7 @@ } } -

    The problem is that PureComponent will do a simple comparison between the old and new values of this.props.words. Since this code mutates the words array in the handleClick method of WordAdder, the old and new values of this.props.words will compare as equal, even though the actual words in the array have changed. The ListOfWords will thus not update even though it has new words that shoud be rendered.

    +

    The problem is that PureComponent will do a simple comparison between the old and new values of this.props.words. Since this code mutates the words array in the handleClick method of WordAdder, the old and new values of this.props.words will compare as equal, even though the actual words in the array have changed. The ListOfWords will thus not update even though it has new words that should be rendered.

    The Power Of Not Mutating Data #

    The simplest way to avoid this problem is to avoid mutating values that you are using as props or state. For example, the handleClick method above could be rewritten using concat as:

    handleClick() {
diff --git a/docs/refs-and-the-dom.html b/docs/refs-and-the-dom.html
index 6f563b7e5c..8614b1dec0 100644
--- a/docs/refs-and-the-dom.html
+++ b/docs/refs-and-the-dom.html
@@ -132,7 +132,7 @@
   }
 }
    -

    You may not use the ref attribute on functional components because they don't have instances. You can, however, use the ref attribute inside the render function of a functional component:

    +

    You may not use the ref attribute on functional components because they don't have instances. You can, however, use the ref attribute inside the functional component:

    function CustomTextInput(props) {
   // textInput must be declared here so the ref callback can refer to it
   let textInput = null;
diff --git a/docs/thinking-in-react.html b/docs/thinking-in-react.html
index ec2b1a6b01..de97a51239 100644
--- a/docs/thinking-in-react.html
+++ b/docs/thinking-in-react.html
@@ -207,7 +207,7 @@
 
 
    You can start seeing how your application will behave: set filterText to "ball" and refresh your app. You'll see that the data table is updated correctly.
    
 
    Step 5: Add Inverse Data Flow #
    
-
    See the Pen Thinking In React: Step 5 on CodePen.
    
+
    See the Pen Thinking In React: Step 5 on CodePen.
    
 
 
 
@@ -217,7 +217,7 @@
 
 
    If you try to type or check the box in the current version of the example, you'll see that React ignores your input. This is intentional, as we've set the value prop of the input to always be equal to the state passed in from FilterableProductTable.
    
 
-
    Let's think about what we want to happen. We want to make sure that whenever the user changes the form, we update the state to reflect the user input. Since components should only update their own state, FilterableProductTable will pass a callback to SearchBar that will fire whenever the state should be updated. We can use the onChange event on the inputs to be notified of it. And the callback passed by FilterableProductTable will call setState(), and the app will be updated.
    
+
    Let's think about what we want to happen. We want to make sure that whenever the user changes the form, we update the state to reflect the user input. Since components should only update their own state, FilterableProductTable will pass callbacks to SearchBar that will fire whenever the state should be updated. We can use the onChange event on the inputs to be notified of it. The callbacks passed by FilterableProductTable will call setState(), and the app will be updated.
    
 
 
    Though this sounds complex, it's really just a few lines of code. And it's really explicit how your data is flowing throughout the app.
    
 
    And That's It #
    
diff --git a/feed.xml b/feed.xml
index 74b3bf0de4..75b1d31178 100644
--- a/feed.xml
+++ b/feed.xml
@@ -985,7 +985,7 @@ The console output is tuned to be minimal to help you focus on the problems:<
 <h4><a class="anchor" name="solution"></a>Solution <a class="hash-link" href="#solution">#</a></h4>
 <p>If you see rendering logic inside a mixin, it’s time to extract a component!</p>
 
-<p>Instead of <code>RowMixin</code>, we will define a <code>&lt;Row&gt;</code> component. We will also replace the convention of defining a <code>getHeaderText()</code> method with the standard mechanism of top-data flow in React: passing props.</p>
+<p>Instead of <code>RowMixin</code>, we will define a <code>&lt;RowHeader&gt;</code> component. We will also replace the convention of defining a <code>getHeaderText()</code> method with the standard mechanism of top-data flow in React: passing props.</p>
 
 <p>Finally, since neither of those components currently need lifecycle hooks or state, we can declare them as simple functions:</p>
 <div class="highlight"><pre><code class="language-js" data-lang="js"><span class="kd">function</span> <span class="nx">RowHeader</span><span class="p">(</span><span class="nx">props</span><span class="p">)</span> <span class="p">{</span>
diff --git a/js/babel-browser.min.js b/js/babel-browser.min.js
deleted file mode 100644
index 3c85a44b7d..0000000000
--- a/js/babel-browser.min.js
+++ /dev/null
@@ -1,29 +0,0 @@
-
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