/*
* @Descripttion: 自定义指令
* @version:
*/
export const direcitiveFUc = (app: any) => {
/*
* @Descripttion: 防抖,单位时间内触发最后一次
* @param [function] func --执行事件
* @param [?number|300] wait = 300 -- 时间间隔
* @param [?string|"click"] event -- 事件类型
* @param [?boolean|true] boolean -- 事件冒泡-false , 事件捕获--true
* @param [Array] binding.value - [func,type,wait,true]
* <a-button v-debounce="[test,'click',1000,true]">防抖测试</a-button>
*/
app.directive('debounce', {
beforeMount(el: any, binding: any) {
let [
func,
type = 'click',
wait = 300,
immediate = true
] = binding.value;
let timer: any
el.$type = type;
el.$handle = () => {
timer && clearTimeout(timer)
timer = setTimeout(() => func(), wait)
}
el.addEventListener(el.$type, el.$handle, immediate);
},
unmounted(el: any) {
el.removeEventListener(el.$type, el.$handle);
}
})
/*
* @Descripttion: 节流,单位时间内可触发一次
* @param [function] func --执行事件
* @param [?number|300] wait = 300 -- 时间间隔
* @param [?string|"click"] event -- 事件类型
* @param [?boolean|true] boolean -- 事件冒泡-false , 事件捕获--true
* @param [Array] binding.value - [func,type,wait,true]
* <a-button v-debounce="[throttle,'click',1000,true]">防抖测试</a-button>
*/
app.directive('throttle', {
beforeMount(el: any, binding: any) {
let [
func,
type = 'click',
wait = 300,
immediate = true
] = binding.value;
let timer: any, timer_end: any
el.$type = type;
el.$handle = () => {
if (timer) {
clearTimeout(timer_end)
return timer_end = setTimeout(() => func, wait)
}
func()
timer = setTimeout(() => null, wait);
}
el.addEventListener(el.$type, el.$handle, immediate);
},
unmounted(el: any) {
el.removeEventListener(el.$type, el.$handle);
}
})
}
// 使用 在main.ts 中导入
import { direcitiveFUc } from './directives/index'
const app = createApp(App);
direcitiveFUc(app)
app.mount('#app');
//页面使用 列：<a-button v-debounce="[test,'click',1000,true]">防抖测试</a-button>