Convert current build system to Rollup and adopt flat bundles

.babelrc

@@ -19,10 +19,7 @@
     "transform-es2015-parameters",
     ["transform-es2015-destructuring", { "loose": true }],
     ["transform-es2015-block-scoping", { "throwIfClosureRequired": true }],
-    "transform-es2015-modules-commonjs",
     "transform-es3-member-expression-literals",
-    "transform-es3-property-literals",
-    "./scripts/babel/transform-object-assign-require",
-    "transform-react-jsx-source"
+    "transform-es3-property-literals"
   ]
 }

.flowconfig

@@ -2,6 +2,7 @@
 
 <PROJECT_ROOT>/fixtures/.*
 <PROJECT_ROOT>/build/.*
+<PROJECT_ROOT>/scripts/.*
 <PROJECT_ROOT>/.*/node_modules/y18n/.*
 <PROJECT_ROOT>/.*/__mocks__/.*
 <PROJECT_ROOT>/.*/__tests__/.*

circle.yml

@@ -33,7 +33,6 @@ dependencies:
     # - npm ls --depth=0
   cache_directories:
     - docs/vendor/bundle
-    - .grunt # Show size comparisons between builds
     - ~/react-gh-pages # docs checkout
     - ~/.yarn
     - ~/.yarn-cache

eslint-rules/__tests__/no-primitive-constructors-test.js

@@ -34,7 +34,8 @@ ruleTester.run('eslint-rules/no-primitive-constructors', rule, {
       code: 'String(obj)',
       errors: [
         {
-          message: 'Do not use the String constructor. To cast a value to a string, concat it with the empty string (unless it\'s a symbol, which has different semantics): \'\' + value',
+          message: 'Do not use the String constructor. To cast a value to a string, ' +
+            'concat it with the empty string (unless it\'s a symbol, which has different semantics): \'\' + value',
         },
       ],
     },

fixtures/art/.gitignore

@@ -0,0 +1 @@
+bundle.js

fixtures/art/README.md

@@ -0,0 +1,10 @@
+# VectorWidget example
+
+To try this example, run:
+
+```
+npm install
+npm run build
+```
+
+in this directory, then open index.html in your browser.

fixtures/art/VectorWidget.js

@@ -0,0 +1,132 @@
+/**
+ * Copyright 2013 Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+"use strict";
+
+var React = require('react');
+var ReactART = require('react-art');
+var Group = ReactART.Group;
+var Shape = ReactART.Shape;
+var Surface = ReactART.Surface;
+var Transform = ReactART.Transform;
+
+var MOUSE_UP_DRAG = 0.978;
+var MOUSE_DOWN_DRAG = 0.9;
+var MAX_VEL = 11;
+var CLICK_ACCEL = 3;
+var BASE_VEL = 0.15;
+
+/**
+ * An animated SVG component.
+ */
+var VectorWidget = React.createClass({
+  /**
+   * Initialize state members.
+   */
+  getInitialState: function() {
+    return {degrees: 0, velocity: 0, drag: MOUSE_UP_DRAG};
+  },
+
+  /**
+   * When the component is mounted into the document - this is similar to a
+   * constructor, but invoked when the instance is actually mounted into the
+   * document. Here's, we'll just set up an animation loop that invokes our
+   * method. Binding of `this.onTick` is not needed because all React methods
+   * are automatically bound before being mounted.
+   */
+  componentDidMount: function() {
+    this._interval = window.setInterval(this.onTick, 20);
+  },
+
+  componentWillUnmount: function() {
+    window.clearInterval(this._interval);
+  },
+
+  onTick: function() {
+    var nextDegrees = this.state.degrees + BASE_VEL + this.state.velocity;
+    var nextVelocity = this.state.velocity * this.state.drag;
+    this.setState({degrees: nextDegrees, velocity: nextVelocity});
+  },
+
+  /**
+   * When mousing down, we increase the friction down the velocity.
+   */
+  handleMouseDown: function() {
+    this.setState({drag: MOUSE_DOWN_DRAG});
+  },
+
+  /**
+   * Cause the rotation to "spring".
+   */
+  handleMouseUp: function() {
+    var nextVelocity = Math.min(this.state.velocity + CLICK_ACCEL, MAX_VEL);
+    this.setState({velocity: nextVelocity, drag: MOUSE_UP_DRAG});
+  },
+
+  /**
+   * This is the "main" method for any component. The React API allows you to
+   * describe the structure of your UI component at *any* point in time.
+   */
+  render: function() {
+    return (
+      <Surface
+        width={700}
+        height={700}
+        style={{cursor: 'pointer'}}>
+        {this.renderGraphic(this.state.degrees)}
+      </Surface>
+    );
+  },
+
+  /**
+   * Better SVG support for React coming soon.
+   */
+  renderGraphic: function(rotation) {
+
+    return (
+      <Group
+        onMouseDown={this.handleMouseDown}
+        onMouseUp={this.handleMouseUp}>
+        <Group x={210} y={135}>
+          <Shape fill="rgba(0,0,0,0.1)" d={BORDER_PATH} />
+          <Shape fill="#7BC7BA" d={BG_PATH} />
+          <Shape fill="#DCDCDC" d={BAR_PATH} />
+          <Shape fill="#D97B76" d={RED_DOT_PATH} />
+          <Shape fill="#DBBB79" d={YELLOW_DOT_PATH} />
+          <Shape fill="#A6BD8A" d={GREEN_DOT_PATH} />
+          <Group x={55} y={29}>
+            <Group rotation={rotation} originX={84} originY={89}>
+              <Shape fill="#FFFFFF" d={CENTER_DOT_PATH} />
+              <Group>
+                <Shape d={RING_ONE_PATH} stroke="#FFFFFF" strokeWidth={8} />
+                <Shape d={RING_TWO_PATH} transform={RING_TWO_ROTATE} stroke="#FFFFFF" strokeWidth={8} />
+                <Shape d={RING_THREE_PATH} transform={RING_THREE_ROTATE} stroke="#FFFFFF" strokeWidth={8} />
+              </Group>
+            </Group>
+          </Group>
+        </Group>
+      </Group>
+    );
+  }
+});
+
+var BORDER_PATH = "M3.00191459,4 C1.34400294,4 0,5.34785514 0,7.00550479 L0,220.994495 C0,222.65439 1.34239483,224 3.00191459,224 L276.998085,224 C278.655997,224 280,222.652145 280,220.994495 L280,7.00550479 C280,5.34561033 278.657605,4 276.998085,4 L3.00191459,4 Z M3.00191459,4";
+var BG_PATH = "M3.00191459,1 C1.34400294,1 0,2.34785514 0,4.00550479 L0,217.994495 C0,219.65439 1.34239483,221 3.00191459,221 L276.998085,221 C278.655997,221 280,219.652145 280,217.994495 L280,4.00550479 C280,2.34561033 278.657605,1 276.998085,1 L3.00191459,1 Z M3.00191459,1";
+var BAR_PATH = "M3.00191459,0 C1.34400294,0 0,1.34559019 0,3.00878799 L0,21 C0,21 0,21 0,21 L280,21 C280,21 280,21 280,21 L280,3.00878799 C280,1.34708027 278.657605,0 276.998085,0 L3.00191459,0 Z M3.00191459,0";
+var RED_DOT_PATH = "M12.5,17 C16.0898511,17 19,14.0898511 19,10.5 C19,6.91014895 16.0898511,4 12.5,4 C8.91014895,4 6,6.91014895 6,10.5 C6,14.0898511 8.91014895,17 12.5,17 Z M12.5,17";
+var YELLOW_DOT_PATH = "M31.5,17 C35.0898511,17 38,14.0898511 38,10.5 C38,6.91014895 35.0898511,4 31.5,4 C27.9101489,4 25,6.91014895 25,10.5 C25,14.0898511 27.9101489,17 31.5,17 Z M31.5,17";
+var GREEN_DOT_PATH = "M50.5,17 C54.0898511,17 57,14.0898511 57,10.5 C57,6.91014895 54.0898511,4 50.5,4 C46.9101489,4 44,6.91014895 44,10.5 C44,14.0898511 46.9101489,17 50.5,17 Z M50.5,17";
+var CENTER_DOT_PATH = "M84,105 C92.8365564,105 100,97.8365564 100,89 C100,80.1634436 92.8365564,73 84,73 C75.1634436,73 68,80.1634436 68,89 C68,97.8365564 75.1634436,105 84,105 Z M84,105";
+var RING_ONE_PATH = "M84,121 C130.391921,121 168,106.673113 168,89 C168,71.3268871 130.391921,57 84,57 C37.6080787,57 0,71.3268871 0,89 C0,106.673113 37.6080787,121 84,121 Z M84,121";
+var RING_TWO_PATH = "M84,121 C130.391921,121 168,106.673113 168,89 C168,71.3268871 130.391921,57 84,57 C37.6080787,57 0,71.3268871 0,89 C0,106.673113 37.6080787,121 84,121 Z M84,121";
+var RING_THREE_PATH = "M84,121 C130.391921,121 168,106.673113 168,89 C168,71.3268871 130.391921,57 84,57 C37.6080787,57 0,71.3268871 0,89 C0,106.673113 37.6080787,121 84,121 Z M84,121";
+var RING_TWO_ROTATE = new Transform().translate(84.000000, 89.000000).rotate(-240.000000).translate(-84.000000, -89.000000);
+var RING_THREE_ROTATE = new Transform().translate(84.000000, 89.000000).rotate(-300.000000).translate(-84.000000, -89.000000);
+
+module.exports = VectorWidget;
+

fixtures/art/app.js

@@ -0,0 +1,7 @@
+"use strict";
+
+var React = require('react');
+var ReactDOM = require('react-dom');
+var VectorWidget = require('./VectorWidget');
+
+ReactDOM.render(<VectorWidget />, document.getElementById('container'));