feat(Label): Convert Label to TypeScript

Fixes #1893

packages/patternfly-4/react-core/src/components/Label/Label.test.js → packages/patternfly-4/react-core/src/components/Label/Label.test.tsx

@@ -1,6 +1,6 @@
 import React from 'react';
 import { shallow } from 'enzyme';
-import Label from './Label';
+import { Label } from './Label';
 
 test('label', () => {
   const view = shallow(<Label>Something</Label>);

packages/patternfly-4/react-core/src/components/Label/Label.tsx

@@ -0,0 +1,20 @@
+import * as React from 'react';
+import styles from '@patternfly/patternfly/components/Label/label.css';
+import { css } from '@patternfly/react-styles';
+
+export interface LabelProps extends React.HTMLProps<HTMLSpanElement> {
+  children: React.ReactNode;
+  className?: string;
+  isCompact?: boolean;
+}
+
+export const Label: React.FunctionComponent<LabelProps> = ({
+  children,
+  className = '',
+  isCompact = false,
+  ...props
+}) => (
+  <span {...props} className={css(styles.label, className, isCompact && styles.modifiers.compact)}>
+    {children}
+  </span>
+);

packages/patternfly-4/react-core/src/components/Label/index.ts

@@ -0,0 +1 @@
+export { Label } from './Label';