前端框架Aurelia - Computed Properties

最新推荐文章于 2023-12-04 13:59:57 发布

闲逛上海滩

最新推荐文章于 2023-12-04 13:59:57 发布

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分类专栏： Aurelia 文章标签： Aurelia ComputeProperties 前端框架

本文链接：https://blog.youkuaiyun.com/oscar92420aaa/article/details/65448522

import {computedFrom} from 'aurelia-framework';

export class Person {
  firstName: string = 'John';
  lastName: string = 'Doe';

  @computedFrom('firstName', 'lastName')
  get fullName(): string {
    return `${this.firstName} ${this.lastName}`;
  }
}

@computedFrom tells the binding system which expressions to observe. When those expressions change, the binding system will re-evaluate the property (execute the getter). This eliminates the need for dirty checking and can improve performance. The