feat: added types to Link component (#13754)

* refactor: moved files to tsx extension using git mv

* feat: added types to Link component

* fix: linting error and reverted public api change

* fix: percy snapshot regression

* chore: removed unused imports

---------

Co-authored-by: Sunny.Johal <[email protected]>
Co-authored-by: Andrea N. Cardona <[email protected]>
Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>

packages/react/src/components/Link/Link.tsx

@@ -0,0 +1,167 @@
+/**
+ * Copyright IBM Corp. 2016, 2023
+ *
+ * This source code is licensed under the Apache-2.0 license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+import cx from 'classnames';
+import PropTypes from 'prop-types';
+import React, {
+  AnchorHTMLAttributes,
+  AriaAttributes,
+  ComponentType,
+  HTMLAttributeAnchorTarget,
+  PropsWithChildren,
+} from 'react';
+import { usePrefix } from '../../internal/usePrefix';
+
+interface LinkProps {
+  /**
+   * @description Indicates the element that represents the
+   *   current item within a container or set of related
+   *   elements.
+   */
+  'aria-current'?: AriaAttributes['aria-current'];
+
+  /**
+   * @description Provide a custom className to be applied to
+   *   the containing `<a>` node.
+   */
+  className?: string;
+
+  /**
+   * @description Specify if the control should be disabled, or not.
+   */
+  disabled?: boolean;
+
+  /**
+   * @description Provide the `href` attribute for the `<a>` node.
+   */
+  href?: string;
+
+  /**
+   * @description Specify whether you want the inline version of this control.
+   */
+  inline?: boolean;
+
+  /**
+   * @description Optional prop to render an icon next to the link.
+   *   Can be a React component class
+   */
+  renderIcon?: ComponentType;
+
+  /**
+   * Specify the size of the Link. Currently supports either `sm`, 'md' (default) or 'lg` as an option.
+   */
+  size?: 'sm' | 'md' | 'lg';
+
+  /**
+   * @description Specify the target attribute for the `<a>` node.
+   */
+  target?: HTMLAttributeAnchorTarget;
+
+  /**
+   * Specify whether you want the link to receive visited styles after the link has been clicked
+   */
+  visited?: boolean;
+}
+
+const Link = React.forwardRef<HTMLAnchorElement, PropsWithChildren<LinkProps>>(
+  function Link(
+    {
+      children,
+      className: customClassName,
+      href,
+      disabled = false,
+      inline = false,
+      visited = false,
+      renderIcon: Icon,
+      size,
+      target,
+      ...rest
+    },
+    ref
+  ) {
+    const prefix = usePrefix();
+    const className = cx(`${prefix}--link`, customClassName, {
+      [`${prefix}--link--disabled`]: disabled,
+      [`${prefix}--link--inline`]: inline,
+      [`${prefix}--link--visited`]: visited,
+      [`${prefix}--link--${size}`]: size,
+    });
+    const rel = target === '_blank' ? 'noopener' : undefined;
+    const linkProps: AnchorHTMLAttributes<HTMLAnchorElement> = {
+      className,
+      rel,
+    };
+
+    // Reference for disabled links:
+    // https://www.scottohara.me/blog/2021/05/28/disabled-links.html
+    if (!disabled) {
+      linkProps.href = href;
+    } else {
+      linkProps.role = 'link';
+      linkProps['aria-disabled'] = true;
+    }
+
+    return (
+      <a ref={ref} {...linkProps} {...rest}>
+        {children}
+        {!inline && Icon && (
+          <div className={`${prefix}--link__icon`}>
+            <Icon />
+          </div>
+        )}
+      </a>
+    );
+  }
+);
+
+Link.displayName = 'Link';
+
+Link.propTypes = {
+  /**
+   * Provide the content for the Link
+   */
+  children: PropTypes.node,
+
+  /**
+   * Provide a custom className to be applied to the containing `<a>` node
+   */
+  className: PropTypes.string,
+
+  /**
+   * Specify if the control should be disabled, or not
+   */
+  disabled: PropTypes.bool,
+
+  /**
+   * Provide the `href` attribute for the `<a>` node
+   */
+  href: PropTypes.string,
+
+  /**
+   * Specify whether you want the inline version of this control
+   */
+  inline: PropTypes.bool,
+
+  /**
+   * Optional prop to render an icon next to the link.
+   * Can be a React component class
+   */
+  // @ts-expect-error - PropTypes are unable to cover this case.
+  renderIcon: PropTypes.oneOfType([PropTypes.func, PropTypes.object]),
+
+  /**
+   * Specify the size of the Link. Currently supports either `sm`, 'md' (default) or 'lg` as an option.
+   */
+  size: PropTypes.oneOf(['sm', 'md', 'lg']),
+
+  /**
+   * Specify whether you want the link to receive visited styles after the link has been clicked
+   */
+  visited: PropTypes.bool,
+};
+
+export default Link;