Class Prop

packages/designer/src/document/node/props/prop.ts:58–777

export type ValueTypes = 'unset' | 'literal' | 'map' | 'list' | 'expression' | 'slot';

export class Prop implements IProp, IPropParent {
  readonly isProp = true;

  readonly owner: INode;

  /**
   * 键值
   */
  @obx key: string | number | undefined;

  /**
   * 扩展值
   */
  @obx spread: boolean;

  readonly props: IProps;

  readonly options: any;

  readonly id = uniqueId('prop$');

  @obx.ref private _type: ValueTypes = 'unset';

  /**
   * 属性类型
   */
  get type(): ValueTypes {
    return this._type;
  }

  @obx private _value: any = UNSET;

  /**
   * 属性值
   */
  @computed get value(): IPublicTypeCompositeValue | UNSET {
    return this.export(IPublicEnumTransformStage.Serilize);
  }

  private _code: string | null = null;

  /**
   * 获得表达式值
   */
  @computed get code() {
    if (isJSExpression(this.value)) {
      return this.value.value;
    }
    // todo: JSFunction ...
    if (this.type === 'slot') {
      return JSON.stringify(this._slotNode!.export(IPublicEnumTransformStage.Save));
    }
    return this._code != null ? this._code : JSON.stringify(this.value);
  }

  /**
   * 设置表达式值
   */