Method every

packages/shell/src/model/node-children.ts:155–159

* 类似数组的 every * @param fn

(fn: (node: IPublicModelNode, index: number) => boolean)

   * @param fn
   */
  every(fn: (node: IPublicModelNode, index: number) => boolean): boolean {
    return this[nodeChildrenSymbol].every((item: InnerNode, index: number) => {
      return fn(ShellNode.create(item)!, index);
    });
  }

  /**
   * 类似数组的 some