中文输入input导致高频触发搜索

const inp = document.querySelector('input')
let isComposition = false;
inp?.addEventListener(
  'input',
  function(){
    if(isComposition ){
      return
    }
    search()
  }
)
inp?.addEventListener('compositionstart',()=>{
    isComposition = true
    console.log('中文输入开始')
})
inp?.addEventListener('compositionend',()=>{
    isComposition = true
    console.log('中文输入结束')
    search()
})

function search(){
  console.log('输入')
}