Vue3+TypeScript ref 获取Dom元素 类型支持问题

Question

<template>
  <input  
  type="text"
  ref="input"
  @keyup.ctrl.f="forward"
   />
</template>
<script lang="ts">
import { defineComponent } from "vue";
export default defineComponent({
   setup(){
    let input = ref(null) 
    function forward(){
    let selectionStart= input!.value!.selectionStart
    input.setSelectionRange(selectionStart-1,selectionStart-1)
    // console.log(input);
    // console.log('forward');
    }

    return {
    input,forward
    }
    });
</script>

ref 中dom的类型怎么支持

Answer 1

let input = ref(null as HTMLInputElement|null) 

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【题主编辑】另刚看 issue 有

Can't create a ref with a possibly null type