Add configurable hotkeys support (#343)

src-web/components/core/Hotkey.tsx

@@ -0,0 +1,45 @@
+import classNames from 'classnames';
+import type { HotkeyAction } from '../../hooks/useHotKey';
+import { useFormattedHotkey } from '../../hooks/useHotKey';
+import { HStack } from './Stacks';
+
+interface Props {
+  action: HotkeyAction | null;
+  className?: string;
+  variant?: 'text' | 'with-bg';
+}
+
+export function Hotkey({ action, className, variant }: Props) {
+  const labelParts = useFormattedHotkey(action);
+  if (labelParts === null) {
+    return null;
+  }
+
+  return <HotkeyRaw labelParts={labelParts} className={className} variant={variant} />;
+}
+
+interface HotkeyRawProps {
+  labelParts: string[];
+  className?: string;
+  variant?: 'text' | 'with-bg';
+}
+
+export function HotkeyRaw({ labelParts, className, variant }: HotkeyRawProps) {
+  return (
+    <HStack
+      className={classNames(
+        className,
+        variant === 'with-bg' &&
+          'rounded bg-surface-highlight px-1 border border-border text-text-subtle',
+        variant === 'text' && 'text-text-subtlest',
+      )}
+    >
+      {labelParts.map((char, index) => (
+        // biome-ignore lint/suspicious/noArrayIndexKey: none
+        <div key={index} className="min-w-[1em] text-center">
+          {char}
+        </div>
+      ))}
+    </HStack>
+  );
+}