fix: Button accessibility (#7420)

* fix: button accessibility

* chore: tabindex -1 when disabled

Author: canerakdas

apps/site/components/Common/Button/index.tsx

@@ -1,18 +1,16 @@
 'use client';
 
 import classNames from 'classnames';
-import type {
-  FC,
-  AnchorHTMLAttributes,
-  KeyboardEvent,
-  MouseEvent,
-} from 'react';
+import type { FC, AnchorHTMLAttributes, ButtonHTMLAttributes } from 'react';
 
 import Link from '@/components/Link';
 
 import styles from './index.module.css';
 
-type ButtonProps = AnchorHTMLAttributes<HTMLAnchorElement> & {
+type ButtonProps = (
+  | AnchorHTMLAttributes<HTMLAnchorElement>
+  | ButtonHTMLAttributes<HTMLButtonElement>
+) & {
   kind?: 'neutral' | 'primary' | 'secondary' | 'special';
   size?: 'default' | 'small';
   disabled?: boolean;
@@ -22,55 +20,44 @@ const Button: FC<ButtonProps> = ({
   kind = 'primary',
   size = 'default',
   disabled = false,
-  href = undefined,
   children,
   className,
-  onClick,
   ...props
 }) => {
-  const onKeyDownHandler = (e: KeyboardEvent<HTMLAnchorElement>) => {
-    if (disabled) {
-      e.preventDefault();
-      return;
-    }
-
-    if (e.key === 'Enter' || e.key === ' ') {
-      e.preventDefault();
-      if (typeof onClick === 'function') {
-        onClick(e as unknown as MouseEvent<HTMLAnchorElement>);
-      }
-    }
-  };
-
-  const onClickHandler = (e: MouseEvent<HTMLAnchorElement>) => {
-    if (disabled) {
-      e.preventDefault();
-      return;
-    }
-
-    if (typeof onClick === 'function') {
-      onClick(e);
-    }
-  };
+  if ('href' in props) {
+    return (
+      <Link
+        role="button"
+        href={disabled ? undefined : props.href}
+        aria-disabled={disabled}
+        className={classNames(
+          styles.button,
+          styles[kind],
+          styles[size],
+          className
+        )}
+        tabIndex={disabled ? -1 : 0}
+        {...props}
+      >
+        {children}
+      </Link>
+    );
+  }
 
   return (
-    <Link
-      role="button"
-      href={disabled ? undefined : href}
-      aria-disabled={disabled}
+    <button
+      disabled={disabled}
       className={classNames(
         styles.button,
         styles[kind],
         styles[size],
         className
       )}
-      tabIndex={disabled ? -1 : 0} // Ensure focusable if not disabled
-      onClick={onClickHandler}
-      onKeyDown={onKeyDownHandler}
-      {...props}
+      type="button"
+      {...(props as ButtonHTMLAttributes<HTMLButtonElement>)}
     >
       {children}
-    </Link>
+    </button>
   );
 };