test.js

function debounce(){
    let lock = false;
    return function(fn){
        return async function(...args){
            if(lock) return;
            lock = true;
            try{
                let res = await fn(...args);
                lock = false;
                return res;
            }catch(e){
                lock = false;
                throw e;
            }
        }
    }
}
let d = debounce();
this.aaaFn = d(this.aaaFn.bind(this))
this.bbbFn = d(this.bbbFn.bind(this))