Function sequenceTokenFromEvent

packages/app-core/src/lib/keymaps.ts:1379–1402

(event: KeyboardEvent)

}

export function sequenceTokenFromEvent(event: KeyboardEvent): string | null {
  const resolved = resolveKeyFromEvent(event);
  // Sequence tokens are case-sensitive for letters (`<leader>q` vs
  // `<leader>Q` are different bindings). resolveKeyFromEvent returns
  // uppercase letters — fold them down so unmodified letters still
  // produce lowercase tokens, then promote to upper if Shift is held.
  let base: string | null
  if (resolved && /^[A-Z]$/.test(resolved)) {
    base = event.shiftKey ? resolved : resolved.toLowerCase()
  } else if (resolved) {
    base = resolved
  } else {
    base = normalizeSequenceBaseToken(event.key);
  }
  if (!base) return null;
  const modifiers: string[] = [];
  if (event.ctrlKey) modifiers.push("Ctrl");
  if (event.altKey) modifiers.push("Alt");
  if (event.metaKey) modifiers.push("Meta");
  if (event.shiftKey && base.length !== 1) modifiers.push("Shift");
  return normalizeSequenceToken(
    modifiers.length > 0 ? `${modifiers.join("+")}+${base}` : base,
  );
}

export function matchesShortcutBinding(
  event: KeyboardEvent,