first commit

common/resources/client/ui/overlays/dialog/dismiss-button.tsx

@@ -0,0 +1,25 @@
+import React from 'react';
+import {useTrans} from '../../../i18n/use-trans';
+import {message} from '../../../i18n/message';
+
+interface DismissButtonProps {
+  onDismiss?: () => void;
+}
+export function DismissButton({onDismiss}: DismissButtonProps) {
+  const {trans} = useTrans();
+
+  const onClick = () => {
+    if (onDismiss) {
+      onDismiss();
+    }
+  };
+
+  return (
+    <button
+      className="sr-only"
+      aria-label={trans(message('Dismiss'))}
+      tabIndex={-1}
+      onClick={onClick}
+    />
+  );
+}