[core] Document the non supported children properties

packages/material-ui/src/BottomNavigationAction/BottomNavigationAction.js

@@ -5,6 +5,7 @@ import PropTypes from 'prop-types';
 import classNames from 'classnames';
 import withStyles from '../styles/withStyles';
 import ButtonBase from '../ButtonBase';
+import unsupportedProp from '../utils/unsupportedProp';
 
 export const styles = theme => ({
   root: {
@@ -105,6 +106,11 @@ class BottomNavigationAction extends React.Component {
 }
 
 BottomNavigationAction.propTypes = {
+  /**
+   * This property isn't supported.
+   * Use the `component` property if you need to change the children structure.
+   */
+  children: unsupportedProp,
   /**
    * Override or extend the styles applied to the component.
    * See [CSS API](#css-api) below for more details.

packages/material-ui/src/Chip/Chip.js

@@ -5,6 +5,7 @@ import keycode from 'keycode';
 import CancelIcon from '../internal/svg-icons/Cancel';
 import withStyles from '../styles/withStyles';
 import { emphasize, fade } from '../styles/colorManipulator';
+import unsupportedProp from '../utils/unsupportedProp';
 import '../Avatar/Avatar'; // So we don't have any override priority issue.
 
 export const styles = theme => {
@@ -202,6 +203,11 @@ Chip.propTypes = {
    * Avatar element.
    */
   avatar: PropTypes.element,
+  /**
+   * This property isn't supported.
+   * Use the `component` property if you need to change the children structure.
+   */
+  children: unsupportedProp,
   /**
    * Override or extend the styles applied to the component.
    * See [CSS API](#css-api) below for more details.

packages/material-ui/src/Chip/Chip.test.js

@@ -27,11 +27,7 @@ describe('<Chip />', () => {
     let wrapper;
 
     before(() => {
-      wrapper = shallow(
-        <Chip className="my-Chip" data-my-prop="woofChip">
-          Text Chip
-        </Chip>,
-      );
+      wrapper = shallow(<Chip className="my-Chip" data-my-prop="woofChip" />);
     });
 
     it('should render a div containing a span', () => {
@@ -56,11 +52,7 @@ describe('<Chip />', () => {
 
     before(() => {
       handleClick = () => {};
-      wrapper = shallow(
-        <Chip className="my-Chip" data-my-prop="woofChip" onClick={handleClick}>
-          Text Chip
-        </Chip>,
-      );
+      wrapper = shallow(<Chip className="my-Chip" data-my-prop="woofChip" onClick={handleClick} />);
     });
 
     it('should render a div containing a span', () => {
@@ -82,9 +74,7 @@ describe('<Chip />', () => {
     it('should apply user value of tabIndex', () => {
       wrapper = shallow(
         // eslint-disable-next-line jsx-a11y/tabindex-no-positive
-        <Chip onClick={() => {}} tabIndex={5}>
-          {'Text Chip'}
-        </Chip>,
+        <Chip onClick={() => {}} tabIndex={5} />,
       );
       assert.strictEqual(wrapper.props().tabIndex, 5);
     });
@@ -180,11 +170,7 @@ describe('<Chip />', () => {
       it('should call onKeyDown when a key is pressed', () => {
         const anyKeydownEvent = { keycode: keycode('p') };
         const onKeyDownSpy = spy();
-        wrapper = mount(
-          <Chip classes={{}} onKeyDown={onKeyDownSpy}>
-            Text Chip
-          </Chip>,
-        );
+        wrapper = mount(<Chip classes={{}} onKeyDown={onKeyDownSpy} />);
         wrapper.find('div').simulate('keydown', anyKeydownEvent);
         assert.strictEqual(onKeyDownSpy.callCount, 1, 'should have called onKeyDown');
         assert.strictEqual(
@@ -197,7 +183,7 @@ describe('<Chip />', () => {
 
     describe('escape', () => {
       it('should unfocus when a esc key is pressed', () => {
-        const wrapper2 = mount(<ChipNaked classes={{}}>Text Chip</ChipNaked>);
+        const wrapper2 = mount(<ChipNaked classes={{}} />);
         const handleBlur = spy();
         wrapper2.instance().chipRef.blur = handleBlur;
         wrapper2.find('div').simulate('keydown', {
@@ -212,11 +198,7 @@ describe('<Chip />', () => {
       let onClickSpy;
       before(() => {
         onClickSpy = spy();
-        wrapper = mount(
-          <ChipNaked classes={{}} onClick={onClickSpy}>
-            Text Chip
-          </ChipNaked>,
-        );
+        wrapper = mount(<ChipNaked classes={{}} onClick={onClickSpy} />);
       });
 
       afterEach(() => {
@@ -251,11 +233,7 @@ describe('<Chip />', () => {
     describe('onDelete is defined and `backspace` is pressed', () => {
       it('should call onDelete', () => {
         const onDeleteSpy = spy();
-        const wrapper2 = mount(
-          <ChipNaked classes={{}} onDelete={onDeleteSpy}>
-            Text Chip
-          </ChipNaked>,
-        );
+        const wrapper2 = mount(<ChipNaked classes={{}} onDelete={onDeleteSpy} />);
 
         const preventDefaultSpy = spy();
         const backspaceKeydownEvent = {

packages/material-ui/src/CssBaseline/CssBaseline.js

@@ -46,7 +46,7 @@ CssBaseline.propTypes = {
   classes: PropTypes.object.isRequired,
 };
 
-CssBaseline.propTypes = exactProp(CssBaseline.propTypes, 'CssBaseline');
+CssBaseline.propTypes = exactProp(CssBaseline.propTypes);
 
 CssBaseline.defaultProps = {
   children: null,

packages/material-ui/src/Hidden/HiddenJs.js

@@ -130,6 +130,6 @@ HiddenJs.propTypes = {
   xsUp: PropTypes.bool,
 };
 
-HiddenJs.propTypes = exactProp(HiddenJs.propTypes, 'HiddenJs');
+HiddenJs.propTypes = exactProp(HiddenJs.propTypes);
 
 export default withWidth()(HiddenJs);

packages/material-ui/src/Portal/Portal.js

@@ -72,6 +72,6 @@ Portal.propTypes = {
   onRendered: PropTypes.func,
 };
 
-Portal.propTypes = exactProp(Portal.propTypes, 'Portal');
+Portal.propTypes = exactProp(Portal.propTypes);
 
 export default Portal;

packages/material-ui/src/RootRef/RootRef.js

@@ -70,6 +70,6 @@ RootRef.propTypes = {
   rootRef: PropTypes.oneOfType([PropTypes.func, PropTypes.object]).isRequired,
 };
 
-RootRef.propTypes = exactProp(RootRef.propTypes, 'RootRef');
+RootRef.propTypes = exactProp(RootRef.propTypes);
 
 export default RootRef;

packages/material-ui/src/Tab/Tab.js

@@ -6,6 +6,7 @@ import classNames from 'classnames';
 import withStyles from '../styles/withStyles';
 import ButtonBase from '../ButtonBase';
 import { capitalize } from '../utils/helpers';
+import unsupportedProp from '../utils/unsupportedProp';
 
 export const styles = theme => ({
   root: {
@@ -200,6 +201,11 @@ class Tab extends React.Component {
 }
 
 Tab.propTypes = {
+  /**
+   * This property isn't supported.
+   * Use the `component` property if you need to change the children structure.
+   */
+  children: unsupportedProp,
   /**
    * Override or extend the styles applied to the component.
    * See [CSS API](#css-api) below for more details.

packages/material-ui/src/styles/MuiThemeProvider.js

@@ -131,7 +131,7 @@ MuiThemeProvider.propTypes = {
   theme: PropTypes.oneOfType([PropTypes.object, PropTypes.func]).isRequired,
 };
 
-MuiThemeProvider.propTypes = exactProp(MuiThemeProvider.propTypes, 'MuiThemeProvider');
+MuiThemeProvider.propTypes = exactProp(MuiThemeProvider.propTypes);
 
 MuiThemeProvider.childContextTypes = {
   ...themeListener.contextTypes,

packages/material-ui/src/utils/exactProp.js

@@ -3,22 +3,30 @@
 // However, in order to reduce the number of dependencies and to remove some extra safe checks
 // the module was forked.
 
+// Only exported for test purposes.
 export const specialProperty = 'exact-prop: \u200b';
 
-export default function exactProp(propTypes: Object, componentNameInError: string) {
+function exactProp(propTypes: Object) {
+  /* istanbul ignore if */
+  if (process.env.NODE_ENV === 'production') {
+    return propTypes;
+  }
+
   return {
     ...propTypes,
     // eslint-disable-next-line prefer-arrow-callback
     [specialProperty]: props => {
-      const unknownProps = Object.keys(props).filter(prop => !propTypes.hasOwnProperty(prop));
-      if (unknownProps.length > 0) {
-        return new TypeError(
-          `${componentNameInError}: unknown props found: ${unknownProps.join(
-            ', ',
-          )}. Please remove the unknown properties.`,
+      const unsupportedProps = Object.keys(props).filter(prop => !propTypes.hasOwnProperty(prop));
+      if (unsupportedProps.length > 0) {
+        return new Error(
+          `The following properties are not supported: ${unsupportedProps
+            .map(prop => `\`${prop}\``)
+            .join(', ')}. Please remove them.`,
         );
       }
       return null;
     },
   };
 }
+
+export default exactProp;

packages/material-ui/src/utils/exactProp.test.js

@@ -4,16 +4,12 @@ import { assert } from 'chai';
 import exactProp, { specialProperty } from './exactProp';
 
 describe('exactProp()', () => {
-  const componentNameInError = 'componentNameInError';
   let exactPropTypes;
 
   before(() => {
-    exactPropTypes = exactProp(
-      {
-        bar: {},
-      },
-      componentNameInError,
-    );
+    exactPropTypes = exactProp({
+      bar: {},
+    });
   });
 
   it('should have the right shape', () => {
@@ -22,22 +18,23 @@ describe('exactProp()', () => {
   });
 
   describe('exactPropTypes', () => {
-    let props;
-
     it('should return null for supported properties', () => {
-      props = {
+      const props = {
         bar: false,
       };
       const result = exactPropTypes[specialProperty](props);
       assert.strictEqual(result, null);
     });
 
-    it('should return an error for unknown properties', () => {
-      props = {
+    it('should return an error for unsupported properties', () => {
+      const props = {
         foo: true,
       };
       const result = exactPropTypes[specialProperty](props);
-      assert.match(result.message, /componentNameInError: unknown props found: foo/);
+      assert.match(
+        result.message,
+        /The following properties are not supported: `foo`. Please remove them/,
+      );
     });
   });
 });

packages/material-ui/src/utils/requirePropFactory.js

@@ -1,6 +1,11 @@
 // @flow weak
 
-const requirePropFactory = (componentNameInError: string) => {
+function requirePropFactory(componentNameInError: string) {
+  /* istanbul ignore if */
+  if (process.env.NODE_ENV === 'production') {
+    return () => null;
+  }
+
   const requireProp = (requiredProp: string) => (
     props: Object,
     propName: string,
@@ -20,6 +25,6 @@ const requirePropFactory = (componentNameInError: string) => {
     return null;
   };
   return requireProp;
-};
+}
 
 export default requirePropFactory;

packages/material-ui/src/utils/unsupportedProp.js

@@ -0,0 +1,24 @@
+// @flow
+
+function unsupportedProp(
+  props: Object,
+  propName: string,
+  componentName?: string,
+  location?: string,
+  propFullName?: string,
+) {
+  /* istanbul ignore if */
+  if (process.env.NODE_ENV === 'production') {
+    return null;
+  }
+
+  const propFullNameSafe = propFullName || propName;
+
+  if (typeof props[propName] !== 'undefined') {
+    return new Error(`The property \`${propFullNameSafe}\` is not supported. Please remove it.`);
+  }
+
+  return null;
+}
+
+export default unsupportedProp;

packages/material-ui/src/utils/unsupportedProp.test.js

@@ -0,0 +1,23 @@
+import { assert } from 'chai';
+import unsupportedProp from './unsupportedProp';
+
+describe('unsupportedProp', () => {
+  const propName = 'children';
+  const componentName = 'ComponentName';
+  const location = 'prop';
+  const propFullName = null;
+
+  it('should return null for supported properties', () => {
+    const props = {};
+    const result = unsupportedProp(props, propName, componentName, location, propFullName);
+    assert.strictEqual(result, null);
+  });
+
+  it('should return an error for unsupported properties', () => {
+    const props = {
+      children: null,
+    };
+    const result = unsupportedProp(props, propName, componentName, location, propFullName);
+    assert.match(result.message, /The property `children` is not supported. Please remove it/);
+  });
+});

pages/api/bottom-navigation-action.md

@@ -12,6 +12,7 @@ filename: /packages/material-ui/src/BottomNavigationAction/BottomNavigationActio
 
 | Name | Type | Default | Description |
 |:-----|:-----|:--------|:------------|
+| <span class="prop-name">children</span> | <span class="prop-type">unsupportedProp |   | This property isn't supported. Use the `component` property if you need to change the children structure. |
 | <span class="prop-name">classes</span> | <span class="prop-type">object |   | Override or extend the styles applied to the component. See [CSS API](#css-api) below for more details. |
 | <span class="prop-name">icon</span> | <span class="prop-type">node |   | The icon element. |
 | <span class="prop-name">label</span> | <span class="prop-type">node |   | The label element. |

pages/api/chip.md

@@ -13,6 +13,7 @@ Chips represent complex entities in small blocks, such as a contact.
 | Name | Type | Default | Description |
 |:-----|:-----|:--------|:------------|
 | <span class="prop-name">avatar</span> | <span class="prop-type">element |   | Avatar element. |
+| <span class="prop-name">children</span> | <span class="prop-type">unsupportedProp |   | This property isn't supported. Use the `component` property if you need to change the children structure. |
 | <span class="prop-name">classes</span> | <span class="prop-type">object |   | Override or extend the styles applied to the component. See [CSS API](#css-api) below for more details. |
 | <span class="prop-name">clickable</span> | <span class="prop-type">bool | <span class="prop-default">false</span> | If true, the chip will appear clickable, and will raise when pressed, even if the onClick property is not defined. This can be used, for example, along with the component property to indicate an anchor Chip is clickable. |
 | <span class="prop-name">component</span> | <span class="prop-type">union:&nbsp;string&nbsp;&#124;<br>&nbsp;func&nbsp;&#124;<br>&nbsp;object<br> | <span class="prop-default">'div'</span> | The component used for the root node. Either a string to use a DOM element or a component. |

pages/api/tab.md

@@ -12,6 +12,7 @@ filename: /packages/material-ui/src/Tab/Tab.js
 
 | Name | Type | Default | Description |
 |:-----|:-----|:--------|:------------|
+| <span class="prop-name">children</span> | <span class="prop-type">unsupportedProp |   | This property isn't supported. Use the `component` property if you need to change the children structure. |
 | <span class="prop-name">classes</span> | <span class="prop-type">object |   | Override or extend the styles applied to the component. See [CSS API](#css-api) below for more details. |
 | <span class="prop-name">disabled</span> | <span class="prop-type">bool | <span class="prop-default">false</span> | If `true`, the tab will be disabled. |
 | <span class="prop-name">icon</span> | <span class="prop-type">node |   | The icon element. |