feat(card): typescript (#497)

Author: Matt Goo

packages/card/ActionButtons.js

@@ -0,0 +1,57 @@
+// The MIT License
+//
+// 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
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+import * as React from 'react';
+import * as classnames from 'classnames';
+
+type ChildType = React.ReactElement<React.HTMLProps<HTMLButtonElement|HTMLAnchorElement>>;
+
+export interface ActionButtonsProps extends React.HTMLProps<HTMLDivElement> {
+  className?: string;
+  children?: ChildType | ChildType[];
+};
+
+const addButtonClassToChildren = (children: ChildType | ChildType[]) => {
+  return React.Children.map((children as ChildType | ChildType[]), (item) => {
+    const className = classnames(
+      (item as ChildType).props.className,
+      'mdc-card__action',
+      'mdc-card__action--button'
+    );
+    const props = Object.assign({}, (item as ChildType).props, {className});
+    return React.cloneElement((item as ChildType), props);
+  });
+};
+
+const ActionButtons: React.FunctionComponent<ActionButtonsProps> = ({
+  className = '', children, ...otherProps // eslint-disable-line react/prop-types
+}) => {
+  const classes = classnames('mdc-card__action-buttons', className);
+  if (!children) return null;
+  return (
+    <div className={classes} {...otherProps}>
+      {addButtonClassToChildren(children)}
+    </div>
+  );
+};
+
+export default ActionButtons;

packages/card/ActionButtons.tsx

@@ -20,45 +20,38 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 // THE SOFTWARE.
 
-import React from 'react';
-import classnames from 'classnames';
-import PropTypes from 'prop-types';
+import * as React from 'react';
+import * as classnames from 'classnames';
 
-export default class ActionIcons extends React.Component {
-  addIconClassToChildren = () => {
-    return React.Children.map(this.props.children, (item) => {
-      const className = classnames(
-        item.props.className, 'mdc-card__action', 'mdc-card__action--icon');
-      const props = Object.assign({}, item.props, {className});
-      return React.cloneElement(item, props);
-    });
-  };
+type ChildType = React.ReactElement<React.HTMLProps<HTMLImageElement|HTMLOrSVGElement>>;
 
-  render() {
-    const {
-      className,
-      children, // eslint-disable-line no-unused-vars
-      ...otherProps
-    } = this.props;
-    const classes = classnames('mdc-card__action-icons', className);
+export interface ActionIconsProps extends React.HTMLProps<HTMLDivElement> {
+  className?: string;
+  children?: ChildType | ChildType[];
+};
 
-    return (
-      <div
-        className={classes}
-        {...otherProps}
-      >
-        {this.addIconClassToChildren()}
-      </div>
+const addIconClassToChildren = (children: ChildType | ChildType[]) => {
+  return React.Children.map((children as ChildType | ChildType[]), (item) => {
+    const className = classnames(
+      (item as ChildType).props.className,
+      'mdc-card__action',
+      'mdc-card__action--icon'
     );
-  }
-}
-
-ActionIcons.propTypes = {
-  className: PropTypes.string,
-  children: PropTypes.node,
+    const props = Object.assign({}, (item as ChildType).props, {className});
+    return React.cloneElement((item as ChildType), props);
+  });
 };
 
-ActionIcons.defaultProps = {
-  className: '',
-  children: null,
+const ActionIcons: React.FunctionComponent<ActionIconsProps> = ({
+  className = '', children, ...otherProps // eslint-disable-line react/prop-types
+}) => {
+  const classes = classnames('mdc-card__action-icons', className);
+  if (!children) return null;
+  return (
+    <div className={classes} {...otherProps}>
+      {addIconClassToChildren(children)}
+    </div>
+  );
 };
+
+export default ActionIcons;

packages/card/ActionIcons.js renamed to packages/card/ActionIcons.tsx

@@ -20,41 +20,25 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 // THE SOFTWARE.
 
-import React from 'react';
-import classnames from 'classnames';
-import PropTypes from 'prop-types';
+import * as React from 'react';
+import * as classnames from 'classnames';
 
-export default class Actions extends React.Component {
-  render() {
-    const {
-      className,
-      children,
-      fullBleed,
-      ...otherProps
-    } = this.props;
-    const classes = classnames('mdc-card__actions', className, {
-      'mdc-card__actions--full-bleed': fullBleed,
-    });
-
-    return (
-      <div
-        className={classes}
-        {...otherProps}
-      >
-        {children}
-      </div>
-    );
-  }
-}
-
-Actions.propTypes = {
-  className: PropTypes.string,
-  children: PropTypes.node,
-  fullBleed: PropTypes.bool,
+export interface ActionsProps extends React.HTMLProps<HTMLDivElement> {
+  className?: string;
+  fullBleed?: boolean;
 };
 
-Actions.defaultProps = {
-  className: '',
-  children: null,
-  fullBleed: false,
+const Actions: React.FunctionComponent<ActionsProps> = ({
+  className = '', children, fullBleed = false, ...otherProps // eslint-disable-line react/prop-types
+}) => {
+  const classes = classnames('mdc-card__actions', className, {
+    'mdc-card__actions--full-bleed': fullBleed,
+  });
+  return (
+    <div className={classes} {...otherProps}>
+      {children}
+    </div>
+  );
 };
+
+export default Actions;