refactor(CopyButton): inherit Copy component (#5006)

* refactor(CopyButton): inherit Copy component

* refactor(code-snippet): unnest rules

* test(CopyButton): full mount for button props test

* docs(CodeSnippet): change default story feedback text

Author: emyarod

packages/components/src/components/code-snippet/_code-snippet.scss

@@ -66,23 +66,24 @@
       display: none;
     }
     @include tooltip--placement('icon', 'bottom', 'center');
+  }
 
-    &.#{$prefix}--copy-btn--animating::before,
-    &.#{$prefix}--copy-btn--animating .#{$prefix}--copy-btn__feedback {
-      display: block;
-    }
+  .#{$prefix}--snippet--inline.#{$prefix}--copy-btn--animating::before,
+  .#{$prefix}--snippet--inline.#{$prefix}--copy-btn--animating
+    .#{$prefix}--copy-btn__feedback {
+    display: block;
+  }
 
-    &.#{$prefix}--copy-btn--animating.#{$prefix}--copy-btn--fade-out::before,
-    &.#{$prefix}--copy-btn--animating.#{$prefix}--copy-btn--fade-out
-      .#{$prefix}--copy-btn__feedback {
-      animation: $duration--fast-02 motion(standard, productive) hide-feedback;
-    }
+  .#{$prefix}--snippet--inline.#{$prefix}--copy-btn--animating.#{$prefix}--copy-btn--fade-out::before,
+  .#{$prefix}--snippet--inline.#{$prefix}--copy-btn--animating.#{$prefix}--copy-btn--fade-out
+    .#{$prefix}--copy-btn__feedback {
+    animation: $duration--fast-02 motion(standard, productive) hide-feedback;
+  }
 
-    &.#{$prefix}--copy-btn--animating.#{$prefix}--copy-btn--fade-in::before,
-    &.#{$prefix}--copy-btn--animating.#{$prefix}--copy-btn--fade-in
-      .#{$prefix}--copy-btn__feedback {
-      animation: $duration--fast-02 motion(standard, productive) show-feedback;
-    }
+  .#{$prefix}--snippet--inline.#{$prefix}--copy-btn--animating.#{$prefix}--copy-btn--fade-in::before,
+  .#{$prefix}--snippet--inline.#{$prefix}--copy-btn--animating.#{$prefix}--copy-btn--fade-in
+    .#{$prefix}--copy-btn__feedback {
+    animation: $duration--fast-02 motion(standard, productive) show-feedback;
   }
 
   .#{$prefix}--snippet--inline code {

packages/react/src/components/CodeSnippet/CodeSnippet-story.js

@@ -15,7 +15,7 @@ import CodeSnippetSkeleton from './CodeSnippet.Skeleton';
 const props = {
   inline: () => ({
     light: boolean('Light variant (light)', false),
-    feedback: text('Feedback text (feedback)', 'Feedback Enabled 👍'),
+    feedback: text('Feedback text (feedback)', 'Copied to clipboard'),
     onClick: action('onClick'),
     copyLabel: text(
       'ARIA label for the snippet/copy button (copyLabel)',
@@ -24,7 +24,7 @@ const props = {
   }),
   single: () => ({
     light: boolean('Light variant (light)', false),
-    feedback: text('Feedback text (feedback)', 'Feedback Enabled 👍'),
+    feedback: text('Feedback text (feedback)', 'Copied to clipboard'),
     copyButtonDescription: text(
       'Copy icon description (copyButtonDescription)',
       'copyable code snippet'
@@ -37,7 +37,7 @@ const props = {
   }),
   multiline: () => ({
     light: boolean('Light variant (light)', false),
-    feedback: text('Feedback text (feedback)', 'Feedback Enabled 👍'),
+    feedback: text('Feedback text (feedback)', 'Copied to clipboard'),
     showMoreText: text(
       'Text for "show more" button (showMoreText)',
       'Show more'
@@ -86,7 +86,7 @@ storiesOf('CodeSnippet', module)
       info: {
         text: `
         Code snippets are small blocks of reusable code that can be inserted in a code file.
-  
+
         The Inline style is for code used within a block of text.
       `,
       },
@@ -108,7 +108,7 @@ storiesOf('CodeSnippet', module)
       info: {
         text: `
           Code snippets are small blocks of reusable code that can be inserted in a code file.
-  
+
           The Code style is for larger, multi-line code snippets.
         `,
       },
@@ -165,7 +165,7 @@ $z-indexes: (
       info: {
         text: `
           Code snippets are small blocks of reusable code that can be inserted in a code file.
-  
+
           The Terminal style is for single-line .
         `,
       },

packages/react/src/components/CopyButton/CopyButton-test.js

@@ -31,11 +31,14 @@ describe('CopyButton', () => {
   });
 
   describe('Renders button props as expected', () => {
-    const wrapper = shallow(<CopyButton />);
+    let wrapper;
+
+    beforeEach(() => {
+      wrapper = mount(<CopyButton />);
+    });
 
     it('Renders children as expected', () => {
-      expect(wrapper.is('button')).toBe(true);
-      expect(wrapper.hasClass(`${prefix}--copy-btn`)).toBe(true);
+      expect(wrapper.find('button').hasClass(`${prefix}--copy-btn`)).toBe(true);
       expect(wrapper.find(`.${prefix}--copy-btn__feedback`).length).toBe(1);
       expect(wrapper.find(Copy16).length).toBe(1);
     });

packages/react/src/components/CopyButton/CopyButton.js

@@ -6,73 +6,23 @@
  */
 
 import PropTypes from 'prop-types';
-import React, { useState, useEffect, useCallback } from 'react';
+import React from 'react';
 import classnames from 'classnames';
-import debounce from 'lodash.debounce';
 import { settings } from 'carbon-components';
 import { Copy16 } from '@carbon/icons-react';
+import Copy from '../Copy';
 
 const { prefix } = settings;
 
-export default function CopyButton({
-  iconDescription,
-  className,
-  feedback,
-  feedbackTimeout,
-  onAnimationEnd,
-  onClick,
-  ...other
-}) {
-  const [animation, setAnimation] = useState('');
-  const classNames = classnames(`${prefix}--copy-btn`, className, {
-    [`${prefix}--copy-btn--animating`]: animation,
-    [`${prefix}--copy-btn--${animation}`]: animation,
-  });
-  const handleFadeOut = useCallback(
-    debounce(() => {
-      setAnimation('fade-out');
-    }, feedbackTimeout),
-    [feedbackTimeout]
-  );
-  const handleClick = useCallback(
-    event => {
-      setAnimation('fade-in');
-      onClick(event);
-      handleFadeOut();
-    },
-    [onClick, handleFadeOut]
-  );
-  const handleAnimationEnd = event => {
-    if (event.animationName === 'hide-feedback') {
-      setAnimation('');
-    }
-    if (onAnimationEnd) {
-      onAnimationEnd(event);
-    }
-  };
-
-  useEffect(
-    () => () => {
-      handleFadeOut.cancel();
-    },
-    [handleFadeOut]
-  );
-
+export default function CopyButton({ iconDescription, className, ...other }) {
   return (
-    <button
-      type="button"
-      className={classNames}
-      onClick={handleClick}
+    <Copy
+      className={classnames(className, `${prefix}--copy-btn`)}
       aria-label={iconDescription}
       title={iconDescription}
-      onAnimationEnd={handleAnimationEnd}
       {...other}>
-      <span
-        className={`${prefix}--assistive-text ${prefix}--copy-btn__feedback`}>
-        {feedback}
-      </span>
       <Copy16 className={`${prefix}--snippet__icon`} />
-    </button>
+    </Copy>
   );
 }