Method setting

src/monogatari.ts:1197–1208

(key: K, value?: GameSettings[K] | null)

   */
  static setting<K extends keyof GameSettings>(key: K, value: GameSettings[K]): GameSettings[K];
  static setting<K extends keyof GameSettings>(key: K, value?: GameSettings[K] | null): GameSettings[K] {
    if (value !== undefined && value !== null) {
      this._settings[key] = value;
      return this._settings[key];
    }

    if (typeof this._settings[key] !== 'undefined') {
      return this._settings[key];
    }

    throw new Error(`Tried to access non existent setting with name '${key}'.`);
  }

  static settings (object: Partial<GameSettings> | null = null): GameSettings {
    if (object !== null) {