Function keyToString

packages/core/src/keybindings/parser.ts:276–307

(key: ParsedKey)

 * @returns String representation like "ctrl+a" or "escape"
 */
export function keyToString(key: ParsedKey): string {
  const parts: string[] = [];

  if (key.mods.ctrl) parts.push("ctrl");
  if (key.mods.alt) parts.push("alt");
  if (key.mods.shift) parts.push("shift");
  if (key.mods.meta) parts.push("meta");

  // Find key name
  let keyName: string | undefined;

  for (const [name, code] of KEY_NAME_TO_CODE) {
    if (code === key.key) {
      keyName = name;
      break;
    }
  }

  if (keyName === undefined) {
    // Try to convert from ASCII
    if (key.key >= 65 && key.key <= 90) {
      keyName = String.fromCharCode(key.key).toLowerCase();
    } else if (key.key >= 48 && key.key <= 57) {
      keyName = String.fromCharCode(key.key);
    } else {
      keyName = `key${String(key.key)}`;
    }
  }

  parts.push(keyName);
  return parts.join("+");
}

/**
 * Convert a KeySequence to a human-readable string (for debugging).