From 5dfa19168a27fc80ceb3563c19b5a9b06464e986 Mon Sep 17 00:00:00 2001
From: mgr34 <matthew.g.roth@yale.edu>
Date: Thu, 31 Jan 2019 16:42:07 -0500
Subject: [PATCH 1/8] fix(chips): implements missing foundation method
 notifyTrailingIconInteraction

---
 packages/chips/Chip.tsx          | 49 +++++++++++++-------
 packages/chips/README.md         |  7 ++-
 test/screenshot/chips/index.tsx  | 13 +++---
 test/unit/chips/Chip.test.tsx    | 76 +++++++++++++++++++++++++-------
 test/unit/chips/ChipSet.test.tsx | 14 +++---
 5 files changed, 114 insertions(+), 45 deletions(-)

diff --git a/packages/chips/Chip.tsx b/packages/chips/Chip.tsx
index bd8478b8c..0f6ccea38 100644
--- a/packages/chips/Chip.tsx
+++ b/packages/chips/Chip.tsx
@@ -26,19 +26,21 @@ import * as Ripple from '@material/react-ripple';
 import {MDCChipFoundation} from '@material/chips/dist/mdc.chips';
 
 export interface ChipProps extends Ripple.InjectedProps<HTMLDivElement> {
-  id?: string;
+  id: string;
   label?: string;
   className?: string;
   selected?: boolean;
   handleSelect?: (id: string, selected: boolean) => void;
   handleRemove?: (id: string) => void;
   handleInteraction?: (id: string) => void;
+  handleTrailingIconInteraction?: (id: string) => void;
   onClick?: React.MouseEventHandler<HTMLDivElement>;
   onKeyDown?: React.KeyboardEventHandler<HTMLDivElement>;
   onTransitionEnd?: React.TransitionEventHandler<HTMLDivElement>;
   chipCheckmark?: React.ReactElement<HTMLElement>;
   leadingIcon?: React.ReactElement<HTMLElement>;
-  removeIcon?: React.ReactElement<HTMLElement>;
+  shouldRemoveOnTrailingIconClick?: boolean;
+  trailingIcon?: React.ReactElement<HTMLElement>;
   initRipple: (surface: HTMLElement | null) => void;
 };
 
@@ -63,6 +65,8 @@ export class Chip extends React.Component<ChipProps, ChipState> {
     handleSelect: () => {},
     handleRemove: () => {},
     handleInteraction: () => {},
+    handleTrailingIconInteraction: () => {},
+    shouldRemoveOnTrailingIconClick: true,
   };
 
   state = {
@@ -71,14 +75,24 @@ export class Chip extends React.Component<ChipProps, ChipState> {
   };
 
   componentDidMount() {
+    const {selected, shouldRemoveOnTrailingIconClick} = this.props;
     this.foundation = new MDCChipFoundation(this.adapter);
     this.foundation.init();
-    this.foundation.setSelected(this.props.selected);
+    this.foundation.setSelected(selected);
+    if (shouldRemoveOnTrailingIconClick !== this.foundation.getShouldRemoveOnTrailingIconClick()) {
+      this.foundation.setShouldRemoveOnTrailingIconClick(shouldRemoveOnTrailingIconClick);
+    }
   }
 
   componentDidUpdate(prevProps: ChipProps) {
-    if (this.props.selected !== prevProps.selected) {
-      this.foundation.setSelected(this.props.selected);
+    const {selected, shouldRemoveOnTrailingIconClick} = this.props;
+
+    if (selected !== prevProps.selected) {
+      this.foundation.setSelected(selected);
+    }
+
+    if (shouldRemoveOnTrailingIconClick !== prevProps.shouldRemoveOnTrailingIconClick) {
+      this.foundation.setShouldRemoveOnTrailingIconClick(shouldRemoveOnTrailingIconClick);
     }
   }
 
@@ -122,10 +136,11 @@ export class Chip extends React.Component<ChipProps, ChipState> {
         if (!this.chipElement) return;
         this.chipElement.style.setProperty(propertyName, value);
       },
-      notifyRemoval: () => this.props.handleRemove!(this.props.id!),
-      notifyInteraction: () => this.props.handleInteraction!(this.props.id!),
+      notifyRemoval: () => this.props.handleRemove!(this.props.id),
+      notifyInteraction: () => this.props.handleInteraction!(this.props.id),
       notifySelection: (selected: boolean) =>
-        this.props.handleSelect!(this.props.id!, selected),
+        this.props.handleSelect!(this.props.id, selected),
+      notifyTrailingIconInteraction: () => this.props.handleTrailingIconInteraction!(this.props.id),
       addClassToLeadingIcon: (className: string) => {
         const leadingIconClassList = new Set(this.state.leadingIconClassList);
         leadingIconClassList.add(className);
@@ -149,7 +164,7 @@ export class Chip extends React.Component<ChipProps, ChipState> {
     this.foundation.handleInteraction(e);
   };
 
-  handleRemoveIconClick = (e: React.MouseEvent) => this.foundation.handleTrailingIconInteraction(e);
+  handleTrailingIconClick = (e: React.MouseEvent) => this.foundation.handleTrailingIconInteraction(e);
 
   handleTransitionEnd = (e: React.TransitionEvent<HTMLDivElement>) => {
     this.props.onTransitionEnd!(e);
@@ -171,21 +186,21 @@ export class Chip extends React.Component<ChipProps, ChipState> {
     return React.cloneElement(leadingIcon, props);
   };
 
-  renderRemoveIcon = (removeIcon: React.ReactElement<HTMLElement>) => {
-    const {className, ...otherProps} = removeIcon.props;
+  renderTrailingIcon = (trailingIcon: React.ReactElement<HTMLElement>) => {
+    const {className, ...otherProps} = trailingIcon.props;
     const props = {
       className: classnames(
         className,
         'mdc-chip__icon',
         'mdc-chip__icon--trailing'
       ),
-      onClick: this.handleRemoveIconClick,
-      onKeyDown: this.handleRemoveIconClick,
+      onClick: this.handleTrailingIconClick,
+      onKeyDown: this.handleTrailingIconClick,
       tabIndex: 0,
       role: 'button',
       ...otherProps,
     };
-    return React.cloneElement(removeIcon, props);
+    return React.cloneElement(trailingIcon, props);
   };
 
   render() {
@@ -197,16 +212,18 @@ export class Chip extends React.Component<ChipProps, ChipState> {
       handleSelect,
       handleInteraction,
       handleRemove,
+      handleTrailingIconInteraction,
       onClick,
       onKeyDown,
       onTransitionEnd,
       computeBoundingRect,
       initRipple,
       unbounded,
+      shouldRemoveOnTrailingIconClick,
       /* eslint-enable no-unused-vars */
       chipCheckmark,
       leadingIcon,
-      removeIcon,
+      trailingIcon,
       label,
       ...otherProps
     } = this.props;
@@ -223,7 +240,7 @@ export class Chip extends React.Component<ChipProps, ChipState> {
         {leadingIcon ? this.renderLeadingIcon(leadingIcon) : null}
         {chipCheckmark}
         <div className='mdc-chip__text'>{label}</div>
-        {removeIcon ? this.renderRemoveIcon(removeIcon) : null}
+        {trailingIcon ? this.renderTrailingIcon(trailingIcon) : null}
       </div>
     );
   }
diff --git a/packages/chips/README.md b/packages/chips/README.md
index 138d9d1e0..71979f055 100644
--- a/packages/chips/README.md
+++ b/packages/chips/README.md
@@ -170,10 +170,15 @@ className | String | Classes to be applied to the chip element
 id | Number | Required. Unique identifier for the chip
 label | String | Text to be shown on the chip
 leadingIcon | Element | An icon element that appears as the leading icon.
-removeIcon | Element | An icon element that appears as the remove icon. Clicking on it should remove the chip.
+trailingIcon | Element | An icon element that appears as the remove icon. Clicking on it should remove the chip.
 selected | Boolean | Indicates whether the chip is selected
 handleSelect | Function(id: string) => void | Callback for selecting the chip with the given id
 handleRemove | Function(id: string) => void | Callback for removing the chip with the given id
+handleTrailingIconInteraction | Function(id: string) => void | Callback for interaction with trailing icon
+shouldRemoveOnTrailingIconClick | Boolean | indicates if interaction with trailing icon should remove chip. defaults to `true`
+> Note: `handleTrailingIconInteraction` will execute before `handleRemove`.
+> Without explicitly setting shouldRemoveOnTrailingIconClick to false both
+> callbacks will fire on trailingIcon interaction 
 
 ## Sass Mixins
 
diff --git a/test/screenshot/chips/index.tsx b/test/screenshot/chips/index.tsx
index b74721e34..7c5c3df95 100644
--- a/test/screenshot/chips/index.tsx
+++ b/test/screenshot/chips/index.tsx
@@ -62,9 +62,9 @@ type InputChipsTestState = {
 
 class InputChipsTest extends React.Component<InputChipsTestProps, InputChipsTestState> {
   state = {
-    chips: this.props.labels.map((label) => {
-      return {label: label, id: uuidv1()};
-    }),
+    chips: this.props.labels.reduce((a, label) => (
+      [...a, {label, id: uuidv1()}]
+    ), [{label: 'Name Chips (dont remove)', id: uuidv1()}] ),
   };
 
   addChip(label: string) {
@@ -90,13 +90,14 @@ class InputChipsTest extends React.Component<InputChipsTestProps, InputChipsTest
       <div>
         <input type='text' onKeyDown={this.handleKeyDown} />
         <ChipSet input updateChips={this.updateChips}>
-          {this.state.chips.map((chip) => (
+          {this.state.chips.map((chip, i: number ) => (
             <Chip
               id={chip.id}
               key={chip.id} // The chip s key cannot be its index, because its index may change
               label={chip.label}
-              leadingIcon={<MaterialIcon icon='face' />}
-              removeIcon={<MaterialIcon icon='cancel' />}
+              leadingIcon={i === 0 ? undefined : <MaterialIcon icon='face' />}
+              trailingIcon={<MaterialIcon icon={i === 0 ? 'announcement' : 'cancel'} />}
+              shouldRemoveOnTrailingIconClick={i !== 0}
             />
           ))}
         </ChipSet>
diff --git a/test/unit/chips/Chip.test.tsx b/test/unit/chips/Chip.test.tsx
index 9ecff902d..e62a7594c 100644
--- a/test/unit/chips/Chip.test.tsx
+++ b/test/unit/chips/Chip.test.tsx
@@ -13,6 +13,14 @@ test('creates foundation', () => {
   assert.exists(wrapper.instance().foundation);
 });
 
+test('#componentWillUnmount destroys foundation', () => {
+  const wrapper = shallow<Chip>(<Chip id='2' />);
+  const foundation = wrapper.instance().foundation;
+  foundation.destroy = td.func();
+  wrapper.unmount();
+  td.verify(foundation.destroy(), {times: 1});
+});
+
 test('calls setSelected if props.selected is true (#foundation.setSelected)', () => {
   const wrapper = mount<Chip>(
     <Chip id='1' selected>
@@ -22,6 +30,36 @@ test('calls setSelected if props.selected is true (#foundation.setSelected)', ()
   assert.isTrue(wrapper.state().classList.has('mdc-chip--selected'));
 });
 
+
+test('renders a Chip with foundation.shouldRemoveOnTrailingIconClick set to true', () => {
+  const wrapper = shallow<Chip>(<Chip id='3' />);
+  assert.isTrue(wrapper.instance().foundation.getShouldRemoveOnTrailingIconClick());
+});
+
+test('#componentDidMount sets #foundaiton.shouldRemoveOnTrailingIconClick to false if prop false', () => {
+  const wrapper = shallow<Chip>(<Chip id='4' shouldRemoveOnTrailingIconClick={false} />);
+  assert.isFalse(wrapper.instance().foundation.getShouldRemoveOnTrailingIconClick());
+});
+
+test('when props.shouldRemoveOnTrailingIconClick updates to false, ' +
+  ' #foundation.setShouldRemoveOnTrailingIconClick is called ', () => {
+  const wrapper = shallow<Chip>(<Chip id='5' shouldRemoveOnTrailingIconClick />);
+  assert.isTrue(wrapper.instance().foundation.getShouldRemoveOnTrailingIconClick());
+  wrapper.instance().foundation.setShouldRemoveOnTrailingIconClick = td.func();
+  wrapper.setProps({shouldRemoveOnTrailingIconClick: false});
+  td.verify(wrapper.instance().foundation.setShouldRemoveOnTrailingIconClick(false), {times: 1});
+});
+
+
+test('when props.shouldRemoveOnTrailingIconClick updates to true, ' +
+  ' #foundation.setShouldRemoveOnTrailingIconClick is called ', () => {
+  const wrapper = shallow<Chip>(<Chip id='6' shouldRemoveOnTrailingIconClick={false} />);
+  assert.isFalse(wrapper.instance().foundation.getShouldRemoveOnTrailingIconClick());
+  wrapper.instance().foundation.setShouldRemoveOnTrailingIconClick = td.func();
+  wrapper.setProps({shouldRemoveOnTrailingIconClick: true});
+  td.verify(wrapper.instance().foundation.setShouldRemoveOnTrailingIconClick(true), {times: 1});
+});
+
 test('classNames adds classes', () => {
   const wrapper = shallow(<Chip id='1' className='test-class-name' />);
   assert.isTrue(wrapper.hasClass('test-class-name'));
@@ -139,6 +177,13 @@ test('#adapter.notifySelection calls #props.handleSelect w/ chipId and selected
   td.verify(handleSelect('123', true), {times: 1});
 });
 
+test('#adapter.notifyTrailingIconInteraction calls #props.handleTrailingIconInteraction w/ chipId', () => {
+  const handleTrailingIconInteraction = coerceForTesting<(id: string) => void>(td.func());
+  const wrapper = shallow<Chip>(<Chip id='123' handleTrailingIconInteraction={handleTrailingIconInteraction} />);
+  wrapper.instance().foundation.adapter_.notifyTrailingIconInteraction();
+  td.verify(handleTrailingIconInteraction('123'), {times: 1});
+});
+
 test('on click calls #props.onClick', () => {
   const onClick = coerceForTesting<(event: React.MouseEvent) => void>(td.func());
   const wrapper = shallow<Chip>(<Chip id='1' onClick={onClick} />);
@@ -229,9 +274,9 @@ test('renders leadingIcon with state.leadingIconClassList', () => {
   );
 });
 
-test('renders remove icon', () => {
-  const removeIcon = <i className='remove-icon' />;
-  const wrapper = shallow(<Chip id='1' removeIcon={removeIcon} />);
+test('renders trailing icon', () => {
+  const trailingIcon = <i className='remove-icon' />;
+  const wrapper = shallow(<Chip id='1' trailingIcon={trailingIcon} />);
   assert.equal(
     wrapper
       .children()
@@ -241,9 +286,9 @@ test('renders remove icon', () => {
   );
 });
 
-test('renders remove icon with class name', () => {
-  const removeIcon = <i className='remove-icon' />;
-  const wrapper = shallow(<Chip id='1' removeIcon={removeIcon} />);
+test('renders trailing icon with class name', () => {
+  const trailingIcon = <i className='remove-icon' />;
+  const wrapper = shallow(<Chip id='1' trailingIcon={trailingIcon} />);
   assert.isTrue(
     wrapper
       .children()
@@ -252,9 +297,9 @@ test('renders remove icon with class name', () => {
   );
 });
 
-test('renders remove icon with base class names', () => {
-  const removeIcon = <i className='remove-icon' />;
-  const wrapper = shallow(<Chip id='1' removeIcon={removeIcon} />);
+test('renders trailing icon with base class names', () => {
+  const trailingIcon = <i className='remove-icon' />;
+  const wrapper = shallow(<Chip id='1' trailingIcon={trailingIcon} />);
   assert.isTrue(
     wrapper
       .children()
@@ -269,9 +314,9 @@ test('renders remove icon with base class names', () => {
   );
 });
 
-test('remove icon click calls #foundation.handleTrailingIconInteraction', () => {
-  const removeIcon = <i className='remove-icon' />;
-  const wrapper = shallow<Chip>(<Chip id='1' removeIcon={removeIcon} />);
+test('trailing icon click calls #foundation.handleTrailingIconInteraction', () => {
+  const trailingIcon = <i className='remove-icon' />;
+  const wrapper = shallow<Chip>(<Chip id='1' trailingIcon={trailingIcon} />);
   wrapper.instance().foundation.handleTrailingIconInteraction = td.func();
   const evt = {};
   wrapper
@@ -283,9 +328,9 @@ test('remove icon click calls #foundation.handleTrailingIconInteraction', () =>
   });
 });
 
-test('remove icon keydown calls #foundation.handleTrailingIconInteraction', () => {
-  const removeIcon = <i className='remove-icon' />;
-  const wrapper = shallow<Chip>(<Chip id='1' removeIcon={removeIcon} />);
+test('trailing icon keydown calls #foundation.handleTrailingIconInteraction', () => {
+  const trailingIcon = <i className='remove-icon' />;
+  const wrapper = shallow<Chip>(<Chip id='1' trailingIcon={trailingIcon} />);
   wrapper.instance().foundation.handleTrailingIconInteraction = td.func();
   const evt = {};
   wrapper
@@ -297,6 +342,7 @@ test('remove icon keydown calls #foundation.handleTrailingIconInteraction', () =
   });
 });
 
+
 test('calls #foundation.handleTransitionEnd on transitionend event', () => {
   const wrapper = shallow<Chip>(<Chip id='1' />);
   wrapper.instance().foundation.handleTransitionEnd = td.func();
diff --git a/test/unit/chips/ChipSet.test.tsx b/test/unit/chips/ChipSet.test.tsx
index a778d481e..558454034 100644
--- a/test/unit/chips/ChipSet.test.tsx
+++ b/test/unit/chips/ChipSet.test.tsx
@@ -11,7 +11,7 @@ suite('ChipSet');
 
 
 test('creates foundation', () => {
-  const wrapper = mount<ChipSet>(<ChipSet><Chip /></ChipSet>);
+  const wrapper = mount<ChipSet>(<ChipSet><Chip id='1' /></ChipSet>);
   assert.exists(wrapper.state().foundation);
 });
 
@@ -256,20 +256,20 @@ test('#removeChip calls #props.updateChips with array of remaining chips', () =>
 });
 
 test('#setCheckmarkWidth sets checkmark width', () => {
-  const wrapper = shallow<ChipSet>(<ChipSet><Chip /></ChipSet>);
+  const wrapper = shallow<ChipSet>(<ChipSet><Chip id='1' /></ChipSet>);
   wrapper.instance().setCheckmarkWidth(coerceForTesting<ChipCheckmark>({width: 20}));
   assert.equal(wrapper.instance().checkmarkWidth, 20);
 });
 
 test('#setCheckmarkWidth does not set checkmark width if checkmark width is already set', () => {
-  const wrapper = shallow<ChipSet>(<ChipSet><Chip /></ChipSet>);
+  const wrapper = shallow<ChipSet>(<ChipSet><Chip id='1' /></ChipSet>);
   wrapper.instance().checkmarkWidth = 20;
   wrapper.instance().setCheckmarkWidth(coerceForTesting<ChipCheckmark>({width: 40}));
   assert.equal(wrapper.instance().checkmarkWidth, 20);
 });
 
 test('#computeBoundingRect returns width and height', () => {
-  const wrapper = shallow<ChipSet>(<ChipSet><Chip /></ChipSet>);
+  const wrapper = shallow<ChipSet>(<ChipSet><Chip id='1' /></ChipSet>);
   const chipWidth = 20;
   const chipHeight = 50;
   const chipElement = coerceForTesting<HTMLDivElement>({
@@ -281,7 +281,7 @@ test('#computeBoundingRect returns width and height', () => {
 });
 
 test('#computeBoundingRect returns width and height', () => {
-  const wrapper = shallow<ChipSet>(<ChipSet><Chip /></ChipSet>);
+  const wrapper = shallow<ChipSet>(<ChipSet><Chip id='1' /></ChipSet>);
   const chipWidth = 20;
   const chipHeight = 50;
   wrapper.instance().checkmarkWidth = 20;
@@ -328,7 +328,7 @@ test('#chip.props.handleSelect calls #foundation.handleChipSelection', () => {
 });
 
 test('chip is rendered with handleRemove method', () => {
-  const wrapper = mount<ChipSet>(<ChipSet><Chip /></ChipSet>);
+  const wrapper = mount<ChipSet>(<ChipSet><Chip id='1' /></ChipSet>);
   wrapper.instance().handleRemove = coerceForTesting<(chipId: string) => void>(td.func());
   wrapper.setProps({children: <Chip id='1' />});
   const chip = wrapper.children().props().children[0];
@@ -383,7 +383,7 @@ test('chip is rendered with computeBoundingRect method prop if is not filter var
 });
 
 test('#componentWillUnmount destroys foundation', () => {
-  const wrapper = shallow<ChipSet>(<ChipSet><Chip /></ChipSet>);
+  const wrapper = shallow<ChipSet>(<ChipSet><Chip id='1' /></ChipSet>);
   const foundation = wrapper.state().foundation;
   foundation.destroy = td.func();
   wrapper.unmount();

From 7fafcb30ba40faaeeddb06e62c247819eaf40ec7 Mon Sep 17 00:00:00 2001
From: mgr34 <matthew.g.roth@yale.edu>
Date: Thu, 31 Jan 2019 16:55:23 -0500
Subject: [PATCH 2/8] fix(chips): [leading|trailing]Icon inclusion with logical
 && operator.

---
 packages/chips/Chip.tsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/chips/Chip.tsx b/packages/chips/Chip.tsx
index 0f6ccea38..cc3ac4877 100644
--- a/packages/chips/Chip.tsx
+++ b/packages/chips/Chip.tsx
@@ -237,10 +237,10 @@ export class Chip extends React.Component<ChipProps, ChipState> {
         ref={this.init}
         {...otherProps}
       >
-        {leadingIcon ? this.renderLeadingIcon(leadingIcon) : null}
+        {leadingIcon && this.renderLeadingIcon(leadingIcon)}
         {chipCheckmark}
         <div className='mdc-chip__text'>{label}</div>
-        {trailingIcon ? this.renderTrailingIcon(trailingIcon) : null}
+        {trailingIcon && this.renderTrailingIcon(trailingIcon)}
       </div>
     );
   }

From 951ee492e1ef1c187addb7b00788aa3547ca8e7b Mon Sep 17 00:00:00 2001
From: mgr34 <matthew.g.roth@yale.edu>
Date: Thu, 31 Jan 2019 16:56:03 -0500
Subject: [PATCH 3/8] docs(chips): rename removeIcon to trailingIcon

---
 packages/chips/README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/chips/README.md b/packages/chips/README.md
index 71979f055..08253802a 100644
--- a/packages/chips/README.md
+++ b/packages/chips/README.md
@@ -137,7 +137,7 @@ class MyInputChips extends React.Component {
             <Chip
               key={chip.id} // The chip's key cannot be its index, because its index may change.
               label={chip.label}
-              removeIcon={<MaterialIcon icon='cancel' />}
+              trailingIcon={<MaterialIcon icon='cancel' />}
             />
           )}
         </ChipSet>

From c5ae32f54b9c0ccf92fb7d41c6916f90e2133fad Mon Sep 17 00:00:00 2001
From: mgr34 <matthew.g.roth@yale.edu>
Date: Mon, 4 Feb 2019 10:42:50 -0500
Subject: [PATCH 4/8] chore(all): update 2018 to 2019

---
 LICENSE                              | 2 +-
 packages/button/index.scss           | 2 +-
 packages/button/index.tsx            | 2 +-
 packages/card/ActionButtons.tsx      | 2 +-
 packages/card/ActionIcons.tsx        | 2 +-
 packages/card/Actions.tsx            | 2 +-
 packages/card/Media.tsx              | 2 +-
 packages/card/PrimaryContent.tsx     | 2 +-
 packages/card/index.scss             | 2 +-
 packages/card/index.tsx              | 2 +-
 packages/checkbox/NativeControl.tsx  | 2 +-
 packages/checkbox/index.scss         | 2 +-
 packages/checkbox/index.tsx          | 2 +-
 packages/chips/Chip.tsx              | 2 +-
 packages/chips/ChipCheckmark.tsx     | 2 +-
 packages/chips/ChipSet.tsx           | 2 +-
 packages/chips/index.scss            | 2 +-
 packages/chips/index.tsx             | 2 +-
 packages/drawer/AppContent.tsx       | 2 +-
 packages/drawer/Content.tsx          | 2 +-
 packages/drawer/Header.tsx           | 2 +-
 packages/drawer/index.scss           | 2 +-
 packages/drawer/index.tsx            | 2 +-
 packages/fab/index.scss              | 2 +-
 packages/fab/index.tsx               | 2 +-
 packages/floating-label/index.scss   | 2 +-
 packages/floating-label/index.tsx    | 2 +-
 packages/icon-button/IconToggle.tsx  | 2 +-
 packages/icon-button/index.scss      | 2 +-
 packages/icon-button/index.tsx       | 2 +-
 packages/layout-grid/index.scss      | 2 +-
 packages/layout-grid/index.tsx       | 2 +-
 packages/line-ripple/index.scss      | 2 +-
 packages/line-ripple/index.tsx       | 2 +-
 packages/linear-progress/index.scss  | 2 +-
 packages/linear-progress/index.tsx   | 2 +-
 packages/list/ListDivider.tsx        | 2 +-
 packages/list/ListGroup.tsx          | 2 +-
 packages/list/ListGroupSubheader.tsx | 2 +-
 packages/list/ListItem.tsx           | 2 +-
 packages/list/ListItemGraphic.tsx    | 2 +-
 packages/list/ListItemMeta.tsx       | 2 +-
 packages/list/ListItemText.tsx       | 2 +-
 packages/list/index.scss             | 2 +-
 packages/list/index.tsx              | 2 +-
 packages/material-icon/index.scss    | 2 +-
 packages/material-icon/index.tsx     | 2 +-
 packages/menu-surface/index.scss     | 2 +-
 packages/menu-surface/index.tsx      | 2 +-
 packages/notched-outline/index.scss  | 2 +-
 packages/notched-outline/index.tsx   | 2 +-
 packages/radio/NativeControl.tsx     | 2 +-
 packages/radio/index.scss            | 2 +-
 packages/radio/index.tsx             | 2 +-
 packages/ripple/index.scss           | 2 +-
 packages/ripple/index.tsx            | 2 +-
 packages/select/NativeControl.tsx    | 2 +-
 packages/select/index.scss           | 2 +-
 packages/select/index.tsx            | 2 +-
 packages/snackbar/index.scss         | 2 +-
 packages/switch/NativeControl.tsx    | 2 +-
 packages/switch/ThumbUnderlay.tsx    | 2 +-
 packages/switch/index.scss           | 2 +-
 packages/switch/index.tsx            | 2 +-
 packages/tab-indicator/index.scss    | 2 +-
 packages/tab-indicator/index.tsx     | 2 +-
 packages/tab-scroller/index.scss     | 2 +-
 packages/tab-scroller/index.tsx      | 2 +-
 packages/tab/TabRipple.tsx           | 2 +-
 packages/tab/index.scss              | 2 +-
 packages/tab/index.tsx               | 2 +-
 packages/text-field/Input.tsx        | 2 +-
 packages/text-field/index.scss       | 2 +-
 packages/text-field/index.tsx        | 2 +-
 packages/top-app-bar/FixedAdjust.tsx | 2 +-
 packages/top-app-bar/index.scss      | 2 +-
 packages/top-app-bar/index.tsx       | 2 +-
 packages/typography/index.scss       | 2 +-
 packages/typography/index.tsx        | 2 +-
 packages/typography/typography.tsx   | 2 +-
 packages/webpack.config.js           | 2 +-
 packages/webpack.util.js             | 2 +-
 scripts/release/cp-pkgs.js           | 2 +-
 scripts/release/post-release.sh      | 2 +-
 scripts/release/pre-release.sh       | 2 +-
 scripts/release/verify-pkg-main.js   | 2 +-
 86 files changed, 86 insertions(+), 86 deletions(-)

diff --git a/LICENSE b/LICENSE
index ab7e62832..547bf1b1f 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 The MIT License
 
-Copyright (c) 2018 Google, Inc.
+Copyright (c) 2019 Google, Inc.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/button/index.scss b/packages/button/index.scss
index 73b059d13..589b85e77 100644
--- a/packages/button/index.scss
+++ b/packages/button/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/button/index.tsx b/packages/button/index.tsx
index 444aa3464..bad801af7 100644
--- a/packages/button/index.tsx
+++ b/packages/button/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/card/ActionButtons.tsx b/packages/card/ActionButtons.tsx
index 876bf7059..b4b3d0a0f 100644
--- a/packages/card/ActionButtons.tsx
+++ b/packages/card/ActionButtons.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/card/ActionIcons.tsx b/packages/card/ActionIcons.tsx
index 3ec8a1439..ea7af85d7 100644
--- a/packages/card/ActionIcons.tsx
+++ b/packages/card/ActionIcons.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/card/Actions.tsx b/packages/card/Actions.tsx
index 7bf24254c..3b6d855da 100644
--- a/packages/card/Actions.tsx
+++ b/packages/card/Actions.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/card/Media.tsx b/packages/card/Media.tsx
index 85bc34f84..0f6ca9ce7 100644
--- a/packages/card/Media.tsx
+++ b/packages/card/Media.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/card/PrimaryContent.tsx b/packages/card/PrimaryContent.tsx
index 6e8c90dee..823ccea19 100644
--- a/packages/card/PrimaryContent.tsx
+++ b/packages/card/PrimaryContent.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/card/index.scss b/packages/card/index.scss
index 920ed5c84..6552883d1 100644
--- a/packages/card/index.scss
+++ b/packages/card/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/card/index.tsx b/packages/card/index.tsx
index 480b876b8..b2f6f74e3 100644
--- a/packages/card/index.tsx
+++ b/packages/card/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/checkbox/NativeControl.tsx b/packages/checkbox/NativeControl.tsx
index dbb6e4b16..ab52a2a02 100644
--- a/packages/checkbox/NativeControl.tsx
+++ b/packages/checkbox/NativeControl.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/checkbox/index.scss b/packages/checkbox/index.scss
index 00a166bb3..ea48a560f 100644
--- a/packages/checkbox/index.scss
+++ b/packages/checkbox/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/checkbox/index.tsx b/packages/checkbox/index.tsx
index cd349c4a2..a376823ed 100644
--- a/packages/checkbox/index.tsx
+++ b/packages/checkbox/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the 'Software'), to deal
diff --git a/packages/chips/Chip.tsx b/packages/chips/Chip.tsx
index cc3ac4877..8bcf5417c 100644
--- a/packages/chips/Chip.tsx
+++ b/packages/chips/Chip.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/chips/ChipCheckmark.tsx b/packages/chips/ChipCheckmark.tsx
index 0a4e4bc17..06219b35d 100644
--- a/packages/chips/ChipCheckmark.tsx
+++ b/packages/chips/ChipCheckmark.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/chips/ChipSet.tsx b/packages/chips/ChipSet.tsx
index 0deed5cd2..3b3148fcf 100644
--- a/packages/chips/ChipSet.tsx
+++ b/packages/chips/ChipSet.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/chips/index.scss b/packages/chips/index.scss
index 8ea2e1fdb..9d7d511a4 100644
--- a/packages/chips/index.scss
+++ b/packages/chips/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/chips/index.tsx b/packages/chips/index.tsx
index 0805106fb..345f4067e 100644
--- a/packages/chips/index.tsx
+++ b/packages/chips/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/drawer/AppContent.tsx b/packages/drawer/AppContent.tsx
index 022e10d79..db01c0c15 100644
--- a/packages/drawer/AppContent.tsx
+++ b/packages/drawer/AppContent.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/drawer/Content.tsx b/packages/drawer/Content.tsx
index 095fcf195..b33544d68 100644
--- a/packages/drawer/Content.tsx
+++ b/packages/drawer/Content.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/drawer/Header.tsx b/packages/drawer/Header.tsx
index 0c38510b8..c88ed8e17 100644
--- a/packages/drawer/Header.tsx
+++ b/packages/drawer/Header.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/drawer/index.scss b/packages/drawer/index.scss
index 642cf4ceb..0ac2a3304 100644
--- a/packages/drawer/index.scss
+++ b/packages/drawer/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/drawer/index.tsx b/packages/drawer/index.tsx
index fed1f6de7..2272df0e5 100644
--- a/packages/drawer/index.tsx
+++ b/packages/drawer/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/fab/index.scss b/packages/fab/index.scss
index aad843804..ac1074303 100644
--- a/packages/fab/index.scss
+++ b/packages/fab/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/fab/index.tsx b/packages/fab/index.tsx
index 4d8e5864d..4a18a51ba 100644
--- a/packages/fab/index.tsx
+++ b/packages/fab/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/floating-label/index.scss b/packages/floating-label/index.scss
index 1e269ff17..4d092a3f1 100644
--- a/packages/floating-label/index.scss
+++ b/packages/floating-label/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/floating-label/index.tsx b/packages/floating-label/index.tsx
index e8d12cf55..a829f6e30 100644
--- a/packages/floating-label/index.tsx
+++ b/packages/floating-label/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/icon-button/IconToggle.tsx b/packages/icon-button/IconToggle.tsx
index eb34cc345..c0d43a5b0 100644
--- a/packages/icon-button/IconToggle.tsx
+++ b/packages/icon-button/IconToggle.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/icon-button/index.scss b/packages/icon-button/index.scss
index 8e9a95c0c..002e78c03 100644
--- a/packages/icon-button/index.scss
+++ b/packages/icon-button/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/icon-button/index.tsx b/packages/icon-button/index.tsx
index c3dd83f32..c6a28fc1d 100644
--- a/packages/icon-button/index.tsx
+++ b/packages/icon-button/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/layout-grid/index.scss b/packages/layout-grid/index.scss
index 12497ca87..a01a1a74e 100644
--- a/packages/layout-grid/index.scss
+++ b/packages/layout-grid/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/layout-grid/index.tsx b/packages/layout-grid/index.tsx
index 7ad6e3e06..84fe2c084 100644
--- a/packages/layout-grid/index.tsx
+++ b/packages/layout-grid/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/line-ripple/index.scss b/packages/line-ripple/index.scss
index 2011b3529..07527a508 100644
--- a/packages/line-ripple/index.scss
+++ b/packages/line-ripple/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/line-ripple/index.tsx b/packages/line-ripple/index.tsx
index e0f408965..399cada26 100644
--- a/packages/line-ripple/index.tsx
+++ b/packages/line-ripple/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/linear-progress/index.scss b/packages/linear-progress/index.scss
index a0a474b0f..5ec830e20 100644
--- a/packages/linear-progress/index.scss
+++ b/packages/linear-progress/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/linear-progress/index.tsx b/packages/linear-progress/index.tsx
index 85f7bf02d..e6eecf219 100644
--- a/packages/linear-progress/index.tsx
+++ b/packages/linear-progress/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/list/ListDivider.tsx b/packages/list/ListDivider.tsx
index e85355108..3f0493403 100644
--- a/packages/list/ListDivider.tsx
+++ b/packages/list/ListDivider.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/list/ListGroup.tsx b/packages/list/ListGroup.tsx
index f157df6bc..1ecb912ac 100644
--- a/packages/list/ListGroup.tsx
+++ b/packages/list/ListGroup.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/list/ListGroupSubheader.tsx b/packages/list/ListGroupSubheader.tsx
index ba997c09c..7cfd4a380 100644
--- a/packages/list/ListGroupSubheader.tsx
+++ b/packages/list/ListGroupSubheader.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/list/ListItem.tsx b/packages/list/ListItem.tsx
index 4ed892082..e38a23bea 100644
--- a/packages/list/ListItem.tsx
+++ b/packages/list/ListItem.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/list/ListItemGraphic.tsx b/packages/list/ListItemGraphic.tsx
index 72f1c88b9..f7489ebd0 100644
--- a/packages/list/ListItemGraphic.tsx
+++ b/packages/list/ListItemGraphic.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/list/ListItemMeta.tsx b/packages/list/ListItemMeta.tsx
index 337333e8f..5576aa843 100644
--- a/packages/list/ListItemMeta.tsx
+++ b/packages/list/ListItemMeta.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/list/ListItemText.tsx b/packages/list/ListItemText.tsx
index 20bce8071..4b3cee23f 100644
--- a/packages/list/ListItemText.tsx
+++ b/packages/list/ListItemText.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/list/index.scss b/packages/list/index.scss
index 231617259..1b49ac7a6 100644
--- a/packages/list/index.scss
+++ b/packages/list/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/list/index.tsx b/packages/list/index.tsx
index 5c33f4903..23cb69a24 100644
--- a/packages/list/index.tsx
+++ b/packages/list/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/material-icon/index.scss b/packages/material-icon/index.scss
index 586237c40..4220ebad5 100644
--- a/packages/material-icon/index.scss
+++ b/packages/material-icon/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/material-icon/index.tsx b/packages/material-icon/index.tsx
index 4e0bfe8b5..7ef2122b8 100644
--- a/packages/material-icon/index.tsx
+++ b/packages/material-icon/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/menu-surface/index.scss b/packages/menu-surface/index.scss
index 42321fbeb..4cdf83080 100644
--- a/packages/menu-surface/index.scss
+++ b/packages/menu-surface/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/menu-surface/index.tsx b/packages/menu-surface/index.tsx
index bb23ff10d..003fea96c 100644
--- a/packages/menu-surface/index.tsx
+++ b/packages/menu-surface/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/notched-outline/index.scss b/packages/notched-outline/index.scss
index 42737a1e9..2cce4e3f7 100644
--- a/packages/notched-outline/index.scss
+++ b/packages/notched-outline/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/notched-outline/index.tsx b/packages/notched-outline/index.tsx
index d7ff4e264..783ca90c4 100644
--- a/packages/notched-outline/index.tsx
+++ b/packages/notched-outline/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/radio/NativeControl.tsx b/packages/radio/NativeControl.tsx
index a1d35dee6..ffd86bda5 100644
--- a/packages/radio/NativeControl.tsx
+++ b/packages/radio/NativeControl.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/radio/index.scss b/packages/radio/index.scss
index 51ab0ce18..f1bebadda 100644
--- a/packages/radio/index.scss
+++ b/packages/radio/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/radio/index.tsx b/packages/radio/index.tsx
index e67391cc0..240c5dc66 100644
--- a/packages/radio/index.tsx
+++ b/packages/radio/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/ripple/index.scss b/packages/ripple/index.scss
index 9c5cdad10..67aeddd96 100644
--- a/packages/ripple/index.scss
+++ b/packages/ripple/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/ripple/index.tsx b/packages/ripple/index.tsx
index 3d2c42f34..7f4d27263 100644
--- a/packages/ripple/index.tsx
+++ b/packages/ripple/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/select/NativeControl.tsx b/packages/select/NativeControl.tsx
index 94f800d80..e4457e101 100644
--- a/packages/select/NativeControl.tsx
+++ b/packages/select/NativeControl.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/select/index.scss b/packages/select/index.scss
index 5de323b7c..33d8961d1 100644
--- a/packages/select/index.scss
+++ b/packages/select/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/select/index.tsx b/packages/select/index.tsx
index a86c11710..6da6f8eca 100644
--- a/packages/select/index.tsx
+++ b/packages/select/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/snackbar/index.scss b/packages/snackbar/index.scss
index 2eefaf7ef..b1945f2dd 100644
--- a/packages/snackbar/index.scss
+++ b/packages/snackbar/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/switch/NativeControl.tsx b/packages/switch/NativeControl.tsx
index dd9721475..6a2ce40a1 100644
--- a/packages/switch/NativeControl.tsx
+++ b/packages/switch/NativeControl.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/switch/ThumbUnderlay.tsx b/packages/switch/ThumbUnderlay.tsx
index edf1b00a8..d2b1004e8 100644
--- a/packages/switch/ThumbUnderlay.tsx
+++ b/packages/switch/ThumbUnderlay.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/switch/index.scss b/packages/switch/index.scss
index edcacf044..ff53c3b09 100644
--- a/packages/switch/index.scss
+++ b/packages/switch/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/switch/index.tsx b/packages/switch/index.tsx
index 92fc7c0a8..94a2fa9dd 100644
--- a/packages/switch/index.tsx
+++ b/packages/switch/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/tab-indicator/index.scss b/packages/tab-indicator/index.scss
index 615045c99..e3220f98e 100644
--- a/packages/tab-indicator/index.scss
+++ b/packages/tab-indicator/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/tab-indicator/index.tsx b/packages/tab-indicator/index.tsx
index 5e0dc1266..9fc21c2ba 100644
--- a/packages/tab-indicator/index.tsx
+++ b/packages/tab-indicator/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/tab-scroller/index.scss b/packages/tab-scroller/index.scss
index c1f215d54..79c1fed59 100644
--- a/packages/tab-scroller/index.scss
+++ b/packages/tab-scroller/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/tab-scroller/index.tsx b/packages/tab-scroller/index.tsx
index 05646d9db..7a58140fa 100644
--- a/packages/tab-scroller/index.tsx
+++ b/packages/tab-scroller/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/tab/TabRipple.tsx b/packages/tab/TabRipple.tsx
index 96fc59487..354473f92 100644
--- a/packages/tab/TabRipple.tsx
+++ b/packages/tab/TabRipple.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/tab/index.scss b/packages/tab/index.scss
index a94a01ee3..01095cd2d 100644
--- a/packages/tab/index.scss
+++ b/packages/tab/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/tab/index.tsx b/packages/tab/index.tsx
index 767062dfa..00a6e7515 100644
--- a/packages/tab/index.tsx
+++ b/packages/tab/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/text-field/Input.tsx b/packages/text-field/Input.tsx
index 42b295ece..5ccde2a41 100644
--- a/packages/text-field/Input.tsx
+++ b/packages/text-field/Input.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/text-field/index.scss b/packages/text-field/index.scss
index dfabcfe04..22884ae08 100644
--- a/packages/text-field/index.scss
+++ b/packages/text-field/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/text-field/index.tsx b/packages/text-field/index.tsx
index c2b4158c6..deb7c617b 100644
--- a/packages/text-field/index.tsx
+++ b/packages/text-field/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/top-app-bar/FixedAdjust.tsx b/packages/top-app-bar/FixedAdjust.tsx
index 723b73600..6de53281a 100644
--- a/packages/top-app-bar/FixedAdjust.tsx
+++ b/packages/top-app-bar/FixedAdjust.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/top-app-bar/index.scss b/packages/top-app-bar/index.scss
index 133e412f3..493f2a2fc 100644
--- a/packages/top-app-bar/index.scss
+++ b/packages/top-app-bar/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/top-app-bar/index.tsx b/packages/top-app-bar/index.tsx
index 1002624aa..64b9bbf82 100644
--- a/packages/top-app-bar/index.tsx
+++ b/packages/top-app-bar/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/typography/index.scss b/packages/typography/index.scss
index 3710ee017..65047df77 100644
--- a/packages/typography/index.scss
+++ b/packages/typography/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/typography/index.tsx b/packages/typography/index.tsx
index 105f8d346..9fba075b1 100644
--- a/packages/typography/index.tsx
+++ b/packages/typography/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/typography/typography.tsx b/packages/typography/typography.tsx
index 357488259..e5b6ae933 100644
--- a/packages/typography/typography.tsx
+++ b/packages/typography/typography.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/webpack.config.js b/packages/webpack.config.js
index 79fe2afc1..908914001 100644
--- a/packages/webpack.config.js
+++ b/packages/webpack.config.js
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/webpack.util.js b/packages/webpack.util.js
index 62afe3246..4ab4a188d 100644
--- a/packages/webpack.util.js
+++ b/packages/webpack.util.js
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/scripts/release/cp-pkgs.js b/scripts/release/cp-pkgs.js
index f54c1a7d8..9abd9a0ab 100644
--- a/scripts/release/cp-pkgs.js
+++ b/scripts/release/cp-pkgs.js
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2018 Google, Inc.
+// Copyright (c) 2019 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/scripts/release/post-release.sh b/scripts/release/post-release.sh
index 709aa84bd..4a860d22a 100644
--- a/scripts/release/post-release.sh
+++ b/scripts/release/post-release.sh
@@ -2,7 +2,7 @@
 
 # The MIT License
 #
-# Copyright (c) 2018 Google, Inc.
+# Copyright (c) 2019 Google, Inc.
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
diff --git a/scripts/release/pre-release.sh b/scripts/release/pre-release.sh
index d7cbb70d2..370cf84d1 100644
--- a/scripts/release/pre-release.sh
+++ b/scripts/release/pre-release.sh
@@ -2,7 +2,7 @@
 
 # The MIT License
 #
-# Copyright (c) 2018 Google, Inc.
+# Copyright (c) 2019 Google, Inc.
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
diff --git a/scripts/release/verify-pkg-main.js b/scripts/release/verify-pkg-main.js
index fb6ad1370..a3ff90149 100644
--- a/scripts/release/verify-pkg-main.js
+++ b/scripts/release/verify-pkg-main.js
@@ -1,7 +1,7 @@
 /*
  The MIT License
 
- Copyright (c) 2018 Google, Inc.
+ Copyright (c) 2019 Google, Inc.
 
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal

From a5238e66a272155c8ec3930e27381fe270479dc6 Mon Sep 17 00:00:00 2001
From: mgr34 <matthew.g.roth@yale.edu>
Date: Wed, 6 Feb 2019 10:33:03 -0500
Subject: [PATCH 5/8] fix(chips): id is optional

---
 packages/chips/Chip.tsx | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/packages/chips/Chip.tsx b/packages/chips/Chip.tsx
index 8bcf5417c..96e774b25 100644
--- a/packages/chips/Chip.tsx
+++ b/packages/chips/Chip.tsx
@@ -26,7 +26,7 @@ import * as Ripple from '@material/react-ripple';
 import {MDCChipFoundation} from '@material/chips/dist/mdc.chips';
 
 export interface ChipProps extends Ripple.InjectedProps<HTMLDivElement> {
-  id: string;
+  id?: string;
   label?: string;
   className?: string;
   selected?: boolean;
@@ -136,11 +136,11 @@ export class Chip extends React.Component<ChipProps, ChipState> {
         if (!this.chipElement) return;
         this.chipElement.style.setProperty(propertyName, value);
       },
-      notifyRemoval: () => this.props.handleRemove!(this.props.id),
-      notifyInteraction: () => this.props.handleInteraction!(this.props.id),
+      notifyRemoval: () => this.props.handleRemove!(this.props.id!),
+      notifyInteraction: () => this.props.handleInteraction!(this.props.id!),
       notifySelection: (selected: boolean) =>
-        this.props.handleSelect!(this.props.id, selected),
-      notifyTrailingIconInteraction: () => this.props.handleTrailingIconInteraction!(this.props.id),
+        this.props.handleSelect!(this.props.id!, selected),
+      notifyTrailingIconInteraction: () => this.props.handleTrailingIconInteraction!(this.props.id!),
       addClassToLeadingIcon: (className: string) => {
         const leadingIconClassList = new Set(this.state.leadingIconClassList);
         leadingIconClassList.add(className);

From 5728d72122df18b61e508462496e355ef67c475b Mon Sep 17 00:00:00 2001
From: mgr34 <matthew.g.roth@yale.edu>
Date: Wed, 6 Feb 2019 10:33:30 -0500
Subject: [PATCH 6/8] fix(chips): fix spelling

---
 test/unit/chips/Chip.test.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/unit/chips/Chip.test.tsx b/test/unit/chips/Chip.test.tsx
index e62a7594c..45f976796 100644
--- a/test/unit/chips/Chip.test.tsx
+++ b/test/unit/chips/Chip.test.tsx
@@ -36,7 +36,7 @@ test('renders a Chip with foundation.shouldRemoveOnTrailingIconClick set to true
   assert.isTrue(wrapper.instance().foundation.getShouldRemoveOnTrailingIconClick());
 });
 
-test('#componentDidMount sets #foundaiton.shouldRemoveOnTrailingIconClick to false if prop false', () => {
+test('#componentDidMount sets #foundation.shouldRemoveOnTrailingIconClick to false if prop false', () => {
   const wrapper = shallow<Chip>(<Chip id='4' shouldRemoveOnTrailingIconClick={false} />);
   assert.isFalse(wrapper.instance().foundation.getShouldRemoveOnTrailingIconClick());
 });

From 146cde32557f2806dcb0d7bf0a0262b1601b3b93 Mon Sep 17 00:00:00 2001
From: mgr34 <matthew.g.roth@yale.edu>
Date: Wed, 6 Feb 2019 10:35:57 -0500
Subject: [PATCH 7/8] fix(chips): update with Chip changes

---
 test/screenshot/golden.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/screenshot/golden.json b/test/screenshot/golden.json
index c5c0c3671..3b4610792 100644
--- a/test/screenshot/golden.json
+++ b/test/screenshot/golden.json
@@ -2,7 +2,7 @@
   "button": "57cb8769600669ec4d44dd23fcf2f6ded528ce8eec612d832c2b9e0271a640c3",
   "card": "b2fd82763c383be438ff6578083bf9009711c7470333d07eb916ab690fc42d31",
   "checkbox": "9c61177f0f927e178e7c6687d74cdfa08abc15ea8fc3c381f570b7c7d1f46d2a",
-  "chips": "e100a23df0b92c37920127c62d7d694ce3fe40c101c0ed05d535f5cafee62b27",
+  "chips": "f5973cc5f1961464cbbbe152ca25b9a989e7e5a54b6d64cb28f0c25788f7df44",
   "fab": "db36f52195c420062d91dd5ebe5432ad87247b3c1146fd547b0a195079bbce2f",
   "floating-label": "1d4d4f2e57e1769b14fc84985d1e6f53410c49aef41c9cf4fde94f938adefe57",
   "icon-button": "5ffb1f7fbd06d2c0533f6ba8d4d9ea170cec1a248a61de1cc1bb626cb58ebcd2",

From c9a0e79a05d7f76b5bb70d436ee95d5161c31848 Mon Sep 17 00:00:00 2001
From: mgr34 <matthew.g.roth@yale.edu>
Date: Wed, 6 Feb 2019 17:01:04 -0500
Subject: [PATCH 8/8] Revert "chore(all): update 2018 to 2019"

This reverts commit c5ae32f54b9c0ccf92fb7d41c6916f90e2133fad.
---
 LICENSE                              | 2 +-
 packages/button/index.scss           | 2 +-
 packages/button/index.tsx            | 2 +-
 packages/card/ActionButtons.tsx      | 2 +-
 packages/card/ActionIcons.tsx        | 2 +-
 packages/card/Actions.tsx            | 2 +-
 packages/card/Media.tsx              | 2 +-
 packages/card/PrimaryContent.tsx     | 2 +-
 packages/card/index.scss             | 2 +-
 packages/card/index.tsx              | 2 +-
 packages/checkbox/NativeControl.tsx  | 2 +-
 packages/checkbox/index.scss         | 2 +-
 packages/checkbox/index.tsx          | 2 +-
 packages/chips/Chip.tsx              | 2 +-
 packages/chips/ChipCheckmark.tsx     | 2 +-
 packages/chips/ChipSet.tsx           | 2 +-
 packages/chips/index.scss            | 2 +-
 packages/chips/index.tsx             | 2 +-
 packages/drawer/AppContent.tsx       | 2 +-
 packages/drawer/Content.tsx          | 2 +-
 packages/drawer/Header.tsx           | 2 +-
 packages/drawer/index.scss           | 2 +-
 packages/drawer/index.tsx            | 2 +-
 packages/fab/index.scss              | 2 +-
 packages/fab/index.tsx               | 2 +-
 packages/floating-label/index.scss   | 2 +-
 packages/floating-label/index.tsx    | 2 +-
 packages/icon-button/IconToggle.tsx  | 2 +-
 packages/icon-button/index.scss      | 2 +-
 packages/icon-button/index.tsx       | 2 +-
 packages/layout-grid/index.scss      | 2 +-
 packages/layout-grid/index.tsx       | 2 +-
 packages/line-ripple/index.scss      | 2 +-
 packages/line-ripple/index.tsx       | 2 +-
 packages/linear-progress/index.scss  | 2 +-
 packages/linear-progress/index.tsx   | 2 +-
 packages/list/ListDivider.tsx        | 2 +-
 packages/list/ListGroup.tsx          | 2 +-
 packages/list/ListGroupSubheader.tsx | 2 +-
 packages/list/ListItem.tsx           | 2 +-
 packages/list/ListItemGraphic.tsx    | 2 +-
 packages/list/ListItemMeta.tsx       | 2 +-
 packages/list/ListItemText.tsx       | 2 +-
 packages/list/index.scss             | 2 +-
 packages/list/index.tsx              | 2 +-
 packages/material-icon/index.scss    | 2 +-
 packages/material-icon/index.tsx     | 2 +-
 packages/menu-surface/index.scss     | 2 +-
 packages/menu-surface/index.tsx      | 2 +-
 packages/notched-outline/index.scss  | 2 +-
 packages/notched-outline/index.tsx   | 2 +-
 packages/radio/NativeControl.tsx     | 2 +-
 packages/radio/index.scss            | 2 +-
 packages/radio/index.tsx             | 2 +-
 packages/ripple/index.scss           | 2 +-
 packages/ripple/index.tsx            | 2 +-
 packages/select/NativeControl.tsx    | 2 +-
 packages/select/index.scss           | 2 +-
 packages/select/index.tsx            | 2 +-
 packages/snackbar/index.scss         | 2 +-
 packages/switch/NativeControl.tsx    | 2 +-
 packages/switch/ThumbUnderlay.tsx    | 2 +-
 packages/switch/index.scss           | 2 +-
 packages/switch/index.tsx            | 2 +-
 packages/tab-indicator/index.scss    | 2 +-
 packages/tab-indicator/index.tsx     | 2 +-
 packages/tab-scroller/index.scss     | 2 +-
 packages/tab-scroller/index.tsx      | 2 +-
 packages/tab/TabRipple.tsx           | 2 +-
 packages/tab/index.scss              | 2 +-
 packages/tab/index.tsx               | 2 +-
 packages/text-field/Input.tsx        | 2 +-
 packages/text-field/index.scss       | 2 +-
 packages/text-field/index.tsx        | 2 +-
 packages/top-app-bar/FixedAdjust.tsx | 2 +-
 packages/top-app-bar/index.scss      | 2 +-
 packages/top-app-bar/index.tsx       | 2 +-
 packages/typography/index.scss       | 2 +-
 packages/typography/index.tsx        | 2 +-
 packages/typography/typography.tsx   | 2 +-
 packages/webpack.config.js           | 2 +-
 packages/webpack.util.js             | 2 +-
 scripts/release/cp-pkgs.js           | 2 +-
 scripts/release/post-release.sh      | 2 +-
 scripts/release/pre-release.sh       | 2 +-
 scripts/release/verify-pkg-main.js   | 2 +-
 86 files changed, 86 insertions(+), 86 deletions(-)

diff --git a/LICENSE b/LICENSE
index 547bf1b1f..ab7e62832 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 The MIT License
 
-Copyright (c) 2019 Google, Inc.
+Copyright (c) 2018 Google, Inc.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/button/index.scss b/packages/button/index.scss
index 589b85e77..73b059d13 100644
--- a/packages/button/index.scss
+++ b/packages/button/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/button/index.tsx b/packages/button/index.tsx
index bad801af7..444aa3464 100644
--- a/packages/button/index.tsx
+++ b/packages/button/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/card/ActionButtons.tsx b/packages/card/ActionButtons.tsx
index b4b3d0a0f..876bf7059 100644
--- a/packages/card/ActionButtons.tsx
+++ b/packages/card/ActionButtons.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/card/ActionIcons.tsx b/packages/card/ActionIcons.tsx
index ea7af85d7..3ec8a1439 100644
--- a/packages/card/ActionIcons.tsx
+++ b/packages/card/ActionIcons.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/card/Actions.tsx b/packages/card/Actions.tsx
index 3b6d855da..7bf24254c 100644
--- a/packages/card/Actions.tsx
+++ b/packages/card/Actions.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/card/Media.tsx b/packages/card/Media.tsx
index 0f6ca9ce7..85bc34f84 100644
--- a/packages/card/Media.tsx
+++ b/packages/card/Media.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/card/PrimaryContent.tsx b/packages/card/PrimaryContent.tsx
index 823ccea19..6e8c90dee 100644
--- a/packages/card/PrimaryContent.tsx
+++ b/packages/card/PrimaryContent.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/card/index.scss b/packages/card/index.scss
index 6552883d1..920ed5c84 100644
--- a/packages/card/index.scss
+++ b/packages/card/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/card/index.tsx b/packages/card/index.tsx
index b2f6f74e3..480b876b8 100644
--- a/packages/card/index.tsx
+++ b/packages/card/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/checkbox/NativeControl.tsx b/packages/checkbox/NativeControl.tsx
index ab52a2a02..dbb6e4b16 100644
--- a/packages/checkbox/NativeControl.tsx
+++ b/packages/checkbox/NativeControl.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/checkbox/index.scss b/packages/checkbox/index.scss
index ea48a560f..00a166bb3 100644
--- a/packages/checkbox/index.scss
+++ b/packages/checkbox/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/checkbox/index.tsx b/packages/checkbox/index.tsx
index a376823ed..cd349c4a2 100644
--- a/packages/checkbox/index.tsx
+++ b/packages/checkbox/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the 'Software'), to deal
diff --git a/packages/chips/Chip.tsx b/packages/chips/Chip.tsx
index 96e774b25..398203e1f 100644
--- a/packages/chips/Chip.tsx
+++ b/packages/chips/Chip.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/chips/ChipCheckmark.tsx b/packages/chips/ChipCheckmark.tsx
index 06219b35d..0a4e4bc17 100644
--- a/packages/chips/ChipCheckmark.tsx
+++ b/packages/chips/ChipCheckmark.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/chips/ChipSet.tsx b/packages/chips/ChipSet.tsx
index 3b3148fcf..0deed5cd2 100644
--- a/packages/chips/ChipSet.tsx
+++ b/packages/chips/ChipSet.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/chips/index.scss b/packages/chips/index.scss
index 9d7d511a4..8ea2e1fdb 100644
--- a/packages/chips/index.scss
+++ b/packages/chips/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/chips/index.tsx b/packages/chips/index.tsx
index 345f4067e..0805106fb 100644
--- a/packages/chips/index.tsx
+++ b/packages/chips/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/drawer/AppContent.tsx b/packages/drawer/AppContent.tsx
index db01c0c15..022e10d79 100644
--- a/packages/drawer/AppContent.tsx
+++ b/packages/drawer/AppContent.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/drawer/Content.tsx b/packages/drawer/Content.tsx
index b33544d68..095fcf195 100644
--- a/packages/drawer/Content.tsx
+++ b/packages/drawer/Content.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/drawer/Header.tsx b/packages/drawer/Header.tsx
index c88ed8e17..0c38510b8 100644
--- a/packages/drawer/Header.tsx
+++ b/packages/drawer/Header.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/drawer/index.scss b/packages/drawer/index.scss
index 0ac2a3304..642cf4ceb 100644
--- a/packages/drawer/index.scss
+++ b/packages/drawer/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/drawer/index.tsx b/packages/drawer/index.tsx
index 2272df0e5..fed1f6de7 100644
--- a/packages/drawer/index.tsx
+++ b/packages/drawer/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/fab/index.scss b/packages/fab/index.scss
index ac1074303..aad843804 100644
--- a/packages/fab/index.scss
+++ b/packages/fab/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/fab/index.tsx b/packages/fab/index.tsx
index 4a18a51ba..4d8e5864d 100644
--- a/packages/fab/index.tsx
+++ b/packages/fab/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/floating-label/index.scss b/packages/floating-label/index.scss
index 4d092a3f1..1e269ff17 100644
--- a/packages/floating-label/index.scss
+++ b/packages/floating-label/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/floating-label/index.tsx b/packages/floating-label/index.tsx
index a829f6e30..e8d12cf55 100644
--- a/packages/floating-label/index.tsx
+++ b/packages/floating-label/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/icon-button/IconToggle.tsx b/packages/icon-button/IconToggle.tsx
index c0d43a5b0..eb34cc345 100644
--- a/packages/icon-button/IconToggle.tsx
+++ b/packages/icon-button/IconToggle.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/icon-button/index.scss b/packages/icon-button/index.scss
index 002e78c03..8e9a95c0c 100644
--- a/packages/icon-button/index.scss
+++ b/packages/icon-button/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/icon-button/index.tsx b/packages/icon-button/index.tsx
index c6a28fc1d..c3dd83f32 100644
--- a/packages/icon-button/index.tsx
+++ b/packages/icon-button/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/layout-grid/index.scss b/packages/layout-grid/index.scss
index a01a1a74e..12497ca87 100644
--- a/packages/layout-grid/index.scss
+++ b/packages/layout-grid/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/layout-grid/index.tsx b/packages/layout-grid/index.tsx
index 84fe2c084..7ad6e3e06 100644
--- a/packages/layout-grid/index.tsx
+++ b/packages/layout-grid/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/line-ripple/index.scss b/packages/line-ripple/index.scss
index 07527a508..2011b3529 100644
--- a/packages/line-ripple/index.scss
+++ b/packages/line-ripple/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/line-ripple/index.tsx b/packages/line-ripple/index.tsx
index 399cada26..e0f408965 100644
--- a/packages/line-ripple/index.tsx
+++ b/packages/line-ripple/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/linear-progress/index.scss b/packages/linear-progress/index.scss
index 5ec830e20..a0a474b0f 100644
--- a/packages/linear-progress/index.scss
+++ b/packages/linear-progress/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/linear-progress/index.tsx b/packages/linear-progress/index.tsx
index e6eecf219..85f7bf02d 100644
--- a/packages/linear-progress/index.tsx
+++ b/packages/linear-progress/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/list/ListDivider.tsx b/packages/list/ListDivider.tsx
index 3f0493403..e85355108 100644
--- a/packages/list/ListDivider.tsx
+++ b/packages/list/ListDivider.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/list/ListGroup.tsx b/packages/list/ListGroup.tsx
index 1ecb912ac..f157df6bc 100644
--- a/packages/list/ListGroup.tsx
+++ b/packages/list/ListGroup.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/list/ListGroupSubheader.tsx b/packages/list/ListGroupSubheader.tsx
index 7cfd4a380..ba997c09c 100644
--- a/packages/list/ListGroupSubheader.tsx
+++ b/packages/list/ListGroupSubheader.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/list/ListItem.tsx b/packages/list/ListItem.tsx
index e38a23bea..4ed892082 100644
--- a/packages/list/ListItem.tsx
+++ b/packages/list/ListItem.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/list/ListItemGraphic.tsx b/packages/list/ListItemGraphic.tsx
index f7489ebd0..72f1c88b9 100644
--- a/packages/list/ListItemGraphic.tsx
+++ b/packages/list/ListItemGraphic.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/list/ListItemMeta.tsx b/packages/list/ListItemMeta.tsx
index 5576aa843..337333e8f 100644
--- a/packages/list/ListItemMeta.tsx
+++ b/packages/list/ListItemMeta.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/list/ListItemText.tsx b/packages/list/ListItemText.tsx
index 4b3cee23f..20bce8071 100644
--- a/packages/list/ListItemText.tsx
+++ b/packages/list/ListItemText.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/list/index.scss b/packages/list/index.scss
index 1b49ac7a6..231617259 100644
--- a/packages/list/index.scss
+++ b/packages/list/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/list/index.tsx b/packages/list/index.tsx
index 23cb69a24..5c33f4903 100644
--- a/packages/list/index.tsx
+++ b/packages/list/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/material-icon/index.scss b/packages/material-icon/index.scss
index 4220ebad5..586237c40 100644
--- a/packages/material-icon/index.scss
+++ b/packages/material-icon/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/material-icon/index.tsx b/packages/material-icon/index.tsx
index 7ef2122b8..4e0bfe8b5 100644
--- a/packages/material-icon/index.tsx
+++ b/packages/material-icon/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/menu-surface/index.scss b/packages/menu-surface/index.scss
index 4cdf83080..42321fbeb 100644
--- a/packages/menu-surface/index.scss
+++ b/packages/menu-surface/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/menu-surface/index.tsx b/packages/menu-surface/index.tsx
index 003fea96c..bb23ff10d 100644
--- a/packages/menu-surface/index.tsx
+++ b/packages/menu-surface/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/notched-outline/index.scss b/packages/notched-outline/index.scss
index 2cce4e3f7..42737a1e9 100644
--- a/packages/notched-outline/index.scss
+++ b/packages/notched-outline/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/notched-outline/index.tsx b/packages/notched-outline/index.tsx
index 783ca90c4..d7ff4e264 100644
--- a/packages/notched-outline/index.tsx
+++ b/packages/notched-outline/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/radio/NativeControl.tsx b/packages/radio/NativeControl.tsx
index ffd86bda5..a1d35dee6 100644
--- a/packages/radio/NativeControl.tsx
+++ b/packages/radio/NativeControl.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/radio/index.scss b/packages/radio/index.scss
index f1bebadda..51ab0ce18 100644
--- a/packages/radio/index.scss
+++ b/packages/radio/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/radio/index.tsx b/packages/radio/index.tsx
index 240c5dc66..e67391cc0 100644
--- a/packages/radio/index.tsx
+++ b/packages/radio/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/ripple/index.scss b/packages/ripple/index.scss
index 67aeddd96..9c5cdad10 100644
--- a/packages/ripple/index.scss
+++ b/packages/ripple/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/ripple/index.tsx b/packages/ripple/index.tsx
index 7f4d27263..3d2c42f34 100644
--- a/packages/ripple/index.tsx
+++ b/packages/ripple/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/select/NativeControl.tsx b/packages/select/NativeControl.tsx
index e4457e101..94f800d80 100644
--- a/packages/select/NativeControl.tsx
+++ b/packages/select/NativeControl.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/select/index.scss b/packages/select/index.scss
index 33d8961d1..5de323b7c 100644
--- a/packages/select/index.scss
+++ b/packages/select/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/select/index.tsx b/packages/select/index.tsx
index 6da6f8eca..a86c11710 100644
--- a/packages/select/index.tsx
+++ b/packages/select/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/snackbar/index.scss b/packages/snackbar/index.scss
index b1945f2dd..2eefaf7ef 100644
--- a/packages/snackbar/index.scss
+++ b/packages/snackbar/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/switch/NativeControl.tsx b/packages/switch/NativeControl.tsx
index 6a2ce40a1..dd9721475 100644
--- a/packages/switch/NativeControl.tsx
+++ b/packages/switch/NativeControl.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/switch/ThumbUnderlay.tsx b/packages/switch/ThumbUnderlay.tsx
index d2b1004e8..edf1b00a8 100644
--- a/packages/switch/ThumbUnderlay.tsx
+++ b/packages/switch/ThumbUnderlay.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/switch/index.scss b/packages/switch/index.scss
index ff53c3b09..edcacf044 100644
--- a/packages/switch/index.scss
+++ b/packages/switch/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/switch/index.tsx b/packages/switch/index.tsx
index 94a2fa9dd..92fc7c0a8 100644
--- a/packages/switch/index.tsx
+++ b/packages/switch/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/tab-indicator/index.scss b/packages/tab-indicator/index.scss
index e3220f98e..615045c99 100644
--- a/packages/tab-indicator/index.scss
+++ b/packages/tab-indicator/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/tab-indicator/index.tsx b/packages/tab-indicator/index.tsx
index 9fc21c2ba..5e0dc1266 100644
--- a/packages/tab-indicator/index.tsx
+++ b/packages/tab-indicator/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/tab-scroller/index.scss b/packages/tab-scroller/index.scss
index 79c1fed59..c1f215d54 100644
--- a/packages/tab-scroller/index.scss
+++ b/packages/tab-scroller/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/tab-scroller/index.tsx b/packages/tab-scroller/index.tsx
index 7a58140fa..05646d9db 100644
--- a/packages/tab-scroller/index.tsx
+++ b/packages/tab-scroller/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/tab/TabRipple.tsx b/packages/tab/TabRipple.tsx
index 354473f92..96fc59487 100644
--- a/packages/tab/TabRipple.tsx
+++ b/packages/tab/TabRipple.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/tab/index.scss b/packages/tab/index.scss
index 01095cd2d..a94a01ee3 100644
--- a/packages/tab/index.scss
+++ b/packages/tab/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/tab/index.tsx b/packages/tab/index.tsx
index 00a6e7515..767062dfa 100644
--- a/packages/tab/index.tsx
+++ b/packages/tab/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/text-field/Input.tsx b/packages/text-field/Input.tsx
index 5ccde2a41..42b295ece 100644
--- a/packages/text-field/Input.tsx
+++ b/packages/text-field/Input.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/text-field/index.scss b/packages/text-field/index.scss
index 22884ae08..dfabcfe04 100644
--- a/packages/text-field/index.scss
+++ b/packages/text-field/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/text-field/index.tsx b/packages/text-field/index.tsx
index deb7c617b..c2b4158c6 100644
--- a/packages/text-field/index.tsx
+++ b/packages/text-field/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/top-app-bar/FixedAdjust.tsx b/packages/top-app-bar/FixedAdjust.tsx
index 6de53281a..723b73600 100644
--- a/packages/top-app-bar/FixedAdjust.tsx
+++ b/packages/top-app-bar/FixedAdjust.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/top-app-bar/index.scss b/packages/top-app-bar/index.scss
index 493f2a2fc..133e412f3 100644
--- a/packages/top-app-bar/index.scss
+++ b/packages/top-app-bar/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/top-app-bar/index.tsx b/packages/top-app-bar/index.tsx
index 64b9bbf82..1002624aa 100644
--- a/packages/top-app-bar/index.tsx
+++ b/packages/top-app-bar/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/typography/index.scss b/packages/typography/index.scss
index 65047df77..3710ee017 100644
--- a/packages/typography/index.scss
+++ b/packages/typography/index.scss
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/typography/index.tsx b/packages/typography/index.tsx
index 9fba075b1..105f8d346 100644
--- a/packages/typography/index.tsx
+++ b/packages/typography/index.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/typography/typography.tsx b/packages/typography/typography.tsx
index e5b6ae933..357488259 100644
--- a/packages/typography/typography.tsx
+++ b/packages/typography/typography.tsx
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/webpack.config.js b/packages/webpack.config.js
index 908914001..79fe2afc1 100644
--- a/packages/webpack.config.js
+++ b/packages/webpack.config.js
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/webpack.util.js b/packages/webpack.util.js
index 4ab4a188d..62afe3246 100644
--- a/packages/webpack.util.js
+++ b/packages/webpack.util.js
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/scripts/release/cp-pkgs.js b/scripts/release/cp-pkgs.js
index 9abd9a0ab..f54c1a7d8 100644
--- a/scripts/release/cp-pkgs.js
+++ b/scripts/release/cp-pkgs.js
@@ -1,6 +1,6 @@
 // The MIT License
 //
-// Copyright (c) 2019 Google, Inc.
+// Copyright (c) 2018 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
diff --git a/scripts/release/post-release.sh b/scripts/release/post-release.sh
index 4a860d22a..709aa84bd 100644
--- a/scripts/release/post-release.sh
+++ b/scripts/release/post-release.sh
@@ -2,7 +2,7 @@
 
 # The MIT License
 #
-# Copyright (c) 2019 Google, Inc.
+# Copyright (c) 2018 Google, Inc.
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
diff --git a/scripts/release/pre-release.sh b/scripts/release/pre-release.sh
index 370cf84d1..d7cbb70d2 100644
--- a/scripts/release/pre-release.sh
+++ b/scripts/release/pre-release.sh
@@ -2,7 +2,7 @@
 
 # The MIT License
 #
-# Copyright (c) 2019 Google, Inc.
+# Copyright (c) 2018 Google, Inc.
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
diff --git a/scripts/release/verify-pkg-main.js b/scripts/release/verify-pkg-main.js
index a3ff90149..fb6ad1370 100644
--- a/scripts/release/verify-pkg-main.js
+++ b/scripts/release/verify-pkg-main.js
@@ -1,7 +1,7 @@
 /*
  The MIT License
 
- Copyright (c) 2019 Google, Inc.
+ Copyright (c) 2018 Google, Inc.
 
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal