getify-JS-functions.js

//convert into arrow
//preserve test scenario: output 'true'

(function IIFE(){
    function foo (x) {
        var y = x * 2;
        return  function bar (z) {
            if (z.length > 3) {
                return z.map(function baz(v){
                    if(v > 3) return v + y;
                    else return baz(v * 4);
                })
            }
            else {
                var obj = [];
                setTimeout(function bam(){
                    obj.length = 1;
                    obj[0] = this.w;

                }.bind(this), 100 );

                return obj
            }
        }
    }

    var p = foo(2);
    var list1 = [1,3,4];
    var list2 = list1.concat(6);

    list1 = p.call({ w:42 }, list1);
    list2 = p(list2);

    setTimeout(function () {
        console.log( list1[0] === list2.reduce( function (s,v){
            return s + v ;
        }, 0) );
    }, 200 );
})();