vue3 defineEmits的用法

import { defineEmits } from 'vue'

 //定义emit 类型

interface EmitsType {

(e: 'bClick', item: {name:string,age:number}): void

}

const emit = defineEmits<EmitsType>()

const bClick = (item: {name:string,age:number}): void => {

emit('bClick', item)

}