@Component(provided byvue-class-component) Mixins(the helper function namedmixinsprovided byvue-class-component) See also vuex-class @Prop(options: (PropOptions | Constructor[] | Constructor) = {})decorator import { Vue, Component, Prop } from 'vue-property-decorator' @Component export default...
vue-class-component使用watch 需要安装 vue-property-decorator npm install vue-property-decorator -S 使用 import {Watch} from "vue-property-decorator";@Watch("count", { immediate:true, }) getValue(val: string, oldVal: string) { console.log("val:", val, " oldVal:", oldVal); }...
vue-class-component made sense for Vue 2.x when the TypeScript support was really bad. Currently this library provides no additional benefits, it just modifies the syntax of declaring a component. Additionally almost all users of vue-class-component are using vue-property-decorator (https://gith...
import 'vue-class-component/hooks' 装饰器中使用组件类型 使用@Component 装饰器时,默认的类型是基于 Vue 的,因此在调用组件方法时会报错(方法是存在于组件上的)。 可以向 @Component 传入组件类型来解决问题: @Component<Post>({ watch: { postId(id: string) { this.fetchPost(id) // -> No errors }...
在vue2,class 写法真的非常爽 import { Component as tsc } from 'vue-tsx-support'; import { Component, Watch } from 'vue-property-decorator'; import { State } from 'vuex-class'; import { debounce } from 'helpful-decorators'; @Component ...
在vue2,class 写法真的非常爽 代码语言:javascript 复制 import{Componentastsc}from'vue-tsx-support';import{Component,Watch}from'vue-property-decorator';import{State}from'vuex-class';import{debounce}from'helpful-decorators';@Componentexportdefaultclassdemoextendstsc<{}>{@State(state=>state.queryContext....
initWatch: 代码语言:javascript 复制 // 源码位置:/src/core/instance/state.jsfunctioninitWatch(vm:Component,watch:Object){for(constkeyinwatch){consthandler=watch[key]if(Array.isArray(handler)){// 1for(leti=0;i<handler.length;i++){createWatcher(vm,key,handler[i])}}else{// 2createWatcher(vm...
class-component-hooks.js 是一个单独的文件,需要新建,然后倒入到 main.ts中,或者直接在 main.ts中进行注册。 // class-component-hooks.jsimport Component from 'vue-class-component' // Register the router hooks with their namesComponent.registerHooks(['beforeRout...
你可以在vue-property-decorator查看@prop、@watch修饰器 使用Mixins vue-class-component 提供 mixins 帮助函数,可以用来在 class 类型风格中使用mixins 通过mixins 帮助函数,Typescript 可以推断出 mixin 类型并且在组件类型中继承它们。 声明mixin 的例子: ...
import Component from 'vue-class-component' @Component export default class HelloWorld extends Vue { // `message` will not be reactive value message = undefined } 1. 2. 3. 4. 5. 6. 7. 8. 为了避免这种情况,可以使用 null 对值进行初始化,或者使用 data()构造钩子函数,如下:...