Proteger de multiples clicks

managerClick.js

function eventManager(){
let executing = false;
  return async ()=>{
  if(!executing){
    executing = true;
    await fn();
    setTimeout(()=>{executing = false},2000);
    }
  }
}


const managerURL = eventManager(get);


//funcion get
async function get(){
const json = await fetch("https://index.domain.com/cosas/cosas")
.then(response=>response.json())
}