Method has

packages/types/src/shell/model/props.ts:76–76

* 当前 props 是否包含某 prop * check if the specified key is existing or not. * @param key * @since v1.1.0

(key: string)

   * @since v1.1.0
   */
  has(key: string): boolean;

  /**
   * 添加一个 prop