now EuiBadge render anchor tags too

CHANGELOG.md

@@ -1,5 +1,6 @@
 ## [`master`](https://github.com/elastic/eui/tree/master)
 
+- Added `href` prop to `EuiBadge` ([#3009](https://github.com/elastic/eui/pull/3009))
 - Added props descriptions for `EuiComboBox` ([#3007](https://github.com/elastic/eui/pull/3007))
 - Exported `dateFormatAliases` as a part of the public API ([#3043](https://github.com/elastic/eui/pull/3043))
 - Exported `EuiTextProps` type definition ([#3039](https://github.com/elastic/eui/pull/3039))

src-docs/src/views/badge/badge_button.js

@@ -41,5 +41,17 @@ export default () => (
         onClick on both text and icon within badge
       </EuiBadge>
     </EuiFlexItem>
+    <EuiFlexItem grow={false}>
+      <EuiBadge
+        isDisabled={true}
+        color="danger"
+        onClick={() => window.alert('Badge clicked')}
+        onClickAriaLabel="Example of disabled button badge"
+        iconOnClick={() => window.alert('Disabled badge clicked')}
+        iconOnClickAriaLabel="Example of disabled button badge"
+        data-test-sub="testExample4">
+        disabled button badge
+      </EuiBadge>
+    </EuiFlexItem>
   </EuiFlexGroup>
 );

src-docs/src/views/badge/badge_example.js

@@ -71,6 +71,11 @@ const badgeButtonSnippet = [
 </EuiBadge>`,
 ];
 
+import BadgeHref from './badge_href';
+const badgeHrefSource = require('!!raw-loader!./badge_href');
+const badgeHrefHtml = renderToHtml(BadgeHref);
+const badgeHrefSnippet = ['<EuiBadge href="#" />'];
+
 import BadgeTruncate from './badge_truncate';
 const badgeTruncateSource = require('!!raw-loader!./badge_truncate');
 const badgeTruncateHtml = renderToHtml(BadgeTruncate);
@@ -177,6 +182,29 @@ export const BadgeExample = {
       snippet: badgeButtonSnippet,
       demo: <BadgeButton />,
     },
+    {
+      title: 'Badge with href',
+      source: [
+        {
+          type: GuideSectionTypes.JS,
+          code: badgeHrefSource,
+        },
+        {
+          type: GuideSectionTypes.HTML,
+          code: badgeHrefHtml,
+        },
+      ],
+      text: (
+        <div>
+          <p>
+            Badges can also be made to render anchor tags by passing an{' '}
+            <EuiCode>href</EuiCode>.
+          </p>
+        </div>
+      ),
+      snippet: badgeHrefSnippet,
+      demo: <BadgeHref />,
+    },
     {
       title: 'Badge groups and truncation',
       source: [

src-docs/src/views/badge/badge_href.js

@@ -0,0 +1,38 @@
+import React from 'react';
+
+import {
+  EuiBadge,
+  EuiFlexGroup,
+  EuiFlexItem,
+} from '../../../../src/components';
+
+export default () => (
+  <EuiFlexGroup wrap responsive={false} gutterSize="xs">
+    <EuiFlexItem grow={false}>
+      <EuiBadge color="#BADA55" href="/#/display/badge">
+        badge as an anchor
+      </EuiBadge>
+    </EuiFlexItem>
+    <EuiFlexItem grow={false}>
+      <EuiBadge color="hollow" href="/#/display/badge" target="blank">
+        anchor with target specified
+      </EuiBadge>
+    </EuiFlexItem>
+    <EuiFlexItem grow={false}>
+      <EuiBadge
+        color="accent"
+        href="/#/display/badge"
+        iconType="bolt"
+        iconSide="right"
+        iconOnClick={() => window.alert('Icon inside badge clicked')}
+        iconOnClickAriaLabel="Example of onClick event for icon within the anchor">
+        anchor with an icon and iconOnClick
+      </EuiBadge>
+    </EuiFlexItem>
+    <EuiFlexItem grow={false}>
+      <EuiBadge color="secondary" href="/#/display/badge" isDisabled={true}>
+        disabled anchor badge
+      </EuiBadge>
+    </EuiFlexItem>
+  </EuiFlexGroup>
+);

src/components/badge/__snapshots__/badge.test.tsx.snap

@@ -38,6 +38,46 @@ exports[`EuiBadge is rendered 1`] = `
 </span>
 `;
 
+exports[`EuiBadge is rendered with href provided 1`] = `
+<a
+  aria-label="aria-label"
+  class="euiBadge euiBadge-isClickable euiBadge--iconLeft testClass1 testClass2"
+  data-test-subj="test subject string"
+  href="/#/"
+  style="background-color:#d3dae6;color:#000"
+>
+  <span
+    class="euiBadge__content"
+  >
+    <span
+      class="euiBadge__text"
+    >
+      Content
+    </span>
+  </span>
+</a>
+`;
+
+exports[`EuiBadge is rendered with iconOnClick and href provided 1`] = `
+<span
+  class="euiBadge euiBadge--iconLeft testClass1 testClass2"
+  style="background-color:#d3dae6;color:#000"
+>
+  <span
+    class="euiBadge__content"
+  >
+    <a
+      aria-label="aria-label"
+      class="euiBadge__childButton"
+      data-test-subj="test subject string"
+      href="/#/"
+    >
+      Content
+    </a>
+  </span>
+</span>
+`;
+
 exports[`EuiBadge is rendered with iconOnClick and onClick provided 1`] = `
 <span
   class="euiBadge euiBadge--iconLeft testClass1 testClass2"
@@ -59,19 +99,19 @@ exports[`EuiBadge is rendered with iconOnClick and onClick provided 1`] = `
 
 exports[`EuiBadge is rendered with iconOnClick provided 1`] = `
 <span
-  aria-label="aria-label"
   class="euiBadge euiBadge--iconLeft testClass1 testClass2"
-  data-test-subj="test subject string"
   style="background-color:#d3dae6;color:#000"
 >
   <span
     class="euiBadge__content"
   >
-    <span
-      class="euiBadge__text"
+    <button
+      aria-label="aria-label"
+      class="euiBadge__childButton"
+      data-test-subj="test subject string"
     >
       Content
-    </span>
+    </button>
   </span>
 </span>
 `;

src/components/badge/_badge.scss

@@ -22,8 +22,8 @@
   &.euiBadge-isDisabled {
     // sass-lint:disable-block no-important
     // Using !important to override inline styles
+    color: makeHighContrastColor($euiButtonColorDisabled, $euiButtonColorDisabled, 2) !important;
     background-color: $euiButtonColorDisabled !important;
-    color: $euiButtonColorDisabledText !important;
   }
 
   &:focus-within {
@@ -46,6 +46,7 @@
     text-align: inherit;
     font-weight: inherit;
     line-height: inherit;
+    color: inherit;
 
     &:disabled {
       cursor: not-allowed;

src/components/badge/badge.test.tsx

@@ -34,6 +34,16 @@ describe('EuiBadge', () => {
     expect(component).toMatchSnapshot();
   });
 
+  test('is rendered with href provided', () => {
+    const component = render(
+      <EuiBadge {...requiredProps} href="/#/">
+        Content
+      </EuiBadge>
+    );
+
+    expect(component).toMatchSnapshot();
+  });
+
   test('is rendered with iconOnClick provided', () => {
     const component = render(
       <EuiBadge
@@ -62,6 +72,20 @@ describe('EuiBadge', () => {
     expect(component).toMatchSnapshot();
   });
 
+  test('is rendered with iconOnClick and href provided', () => {
+    const component = render(
+      <EuiBadge
+        {...requiredProps}
+        iconOnClick={jest.fn()}
+        iconOnClickAriaLabel="Example of onclick event for icon within the anchor"
+        href="/#/">
+        Content
+      </EuiBadge>
+    );
+
+    expect(component).toMatchSnapshot();
+  });
+
   describe('props', () => {
     describe('iconType', () => {
       it('is rendered', () => {

src/components/badge/badge.tsx

@@ -4,6 +4,7 @@ import React, {
   HTMLAttributes,
   MouseEventHandler,
   ReactNode,
+  Ref,
 } from 'react';
 import classNames from 'classnames';
 import { CommonProps, ExclusiveUnion, keysOf, PropsOf } from '../common';
@@ -26,6 +27,11 @@ type WithButtonProps = {
   onClickAriaLabel: AriaAttributes['aria-label'];
 } & Omit<HTMLAttributes<HTMLButtonElement>, 'onClick' | 'color'>;
 
+type WithAnchorProps = {
+  href: string;
+  target?: string;
+} & Omit<HTMLAttributes<HTMLAnchorElement>, 'href' | 'color'>;
+
 type WithSpanProps = Omit<HTMLAttributes<HTMLSpanElement>, 'onClick' | 'color'>;
 
 interface WithIconOnClick {
@@ -66,7 +72,10 @@ export type EuiBadgeProps = {
   closeButtonProps?: Partial<PropsOf<EuiIcon>>;
 } & CommonProps &
   ExclusiveUnion<WithIconOnClick, {}> &
-  ExclusiveUnion<WithSpanProps, WithButtonProps>;
+  ExclusiveUnion<
+    ExclusiveUnion<WithButtonProps, WithAnchorProps>,
+    WithSpanProps
+  >;
 
 // TODO - replace with variables once https://github.com/elastic/eui/issues/2731 is closed
 const colorInk = '#000';
@@ -108,6 +117,8 @@ export const EuiBadge: FunctionComponent<EuiBadgeProps> = ({
   onClickAriaLabel,
   iconOnClickAriaLabel,
   closeButtonProps,
+  href,
+  target,
   ...rest
 }) => {
   checkValidColor(color);
@@ -160,7 +171,7 @@ export const EuiBadge: FunctionComponent<EuiBadgeProps> = ({
   const classes = classNames(
     'euiBadge',
     {
-      'euiBadge-isClickable': onClick && !iconOnClick,
+      'euiBadge-isClickable': (onClick || href) && !iconOnClick,
       'euiBadge-isDisabled': isDisabled,
       'euiBadge--hollow': color === 'hollow',
     },
@@ -172,6 +183,21 @@ export const EuiBadge: FunctionComponent<EuiBadgeProps> = ({
     'euiBadge__icon',
     closeButtonProps && closeButtonProps.className
   );
+  const Element = href && !isDisabled ? 'a' : 'button';
+  const relObj: {
+    href?: string;
+    target?: string;
+    onClick?:
+      | ((event: React.MouseEvent<HTMLButtonElement, MouseEvent>) => void)
+      | ((event: React.MouseEvent<HTMLAnchorElement, MouseEvent>) => void);
+  } = {};
+
+  if (href && !isDisabled) {
+    relObj.href = href;
+    relObj.target = target;
+  } else if (onClick) {
+    relObj.onClick = onClick;
+  }
 
   let optionalIcon: ReactNode = null;
   if (iconType) {
@@ -209,46 +235,46 @@ export const EuiBadge: FunctionComponent<EuiBadgeProps> = ({
     );
   }
 
-  if (onClick && iconOnClick) {
+  if (iconOnClick) {
     return (
       <span className={classes} style={optionalCustomStyles}>
         <span className="euiBadge__content">
           <EuiInnerText>
             {(ref, innerText) => (
-              <button
+              <Element
                 className="euiBadge__childButton"
                 disabled={isDisabled}
                 aria-label={onClickAriaLabel}
-                onClick={onClick}
                 ref={ref}
                 title={innerText}
-                {...rest}>
+                {...relObj as HTMLAttributes<HTMLElement>}
+                {...rest as HTMLAttributes<HTMLElement>}>
                 {children}
-              </button>
+              </Element>
             )}
           </EuiInnerText>
           {optionalIcon}
         </span>
       </span>
     );
-  } else if (onClick) {
+  } else if (onClick || href) {
     return (
       <EuiInnerText>
         {(ref, innerText) => (
-          <button
+          <Element
             disabled={isDisabled}
             aria-label={onClickAriaLabel}
             className={classes}
-            onClick={onClick}
             style={optionalCustomStyles}
-            ref={ref}
+            ref={ref as Ref<HTMLButtonElement & HTMLAnchorElement>}
             title={innerText}
-            {...rest}>
+            {...relObj as HTMLAttributes<HTMLElement>}
+            {...rest as HTMLAttributes<HTMLElement>}>
             <span className="euiBadge__content">
               <span className="euiBadge__text">{children}</span>
               {optionalIcon}
             </span>
-          </button>
+          </Element>
         )}
       </EuiInnerText>
     );