vue-cli3 + ts 通过Vue.prototype绑定的属性方法，能够调用到，但是编译报错

Question

//main.ts里面import*asapifrom'@/api'//接口方法Vue.prototype.$api=apiApp.vue里面import{Vue,Component}from'vue-property-decorator'@ComponentexportdefaultclassAppextendsVue{publiccreated(){this.$api.getUserInfo().then(res=>{console.log(res,'res')}).catch(err=>{console.log(err,'err')})}publicmounted(){}}我在App.vue里面调用this.$api.xxx能够正常调用到api里面的方法,但是编译的时候会报错警告Property'$api'doesnotexistontype'App'.请问这个怎么回事啊？

Answer 1

importVuefrom'vue'
declaremodule'vue/types/vue'{
interfaceVue{
$api:any
}
}