import Parallel from 'paralleljs';
import { performance } from "perf_hooks";
import * as _ from "lodash";
const l = _.range(10,20);
const p = new Parallel(l);
const log = function () { console.log(arguments); };
const current_encode_Time_before = performance.now();
// One gotcha: anonymous functions cannot be serialzed
// If you want to do recursion, make sure the function
// is named appropriately
const list: Array<number> = []; // I want to push new value to list during mapping 
function fib(n: number): number{
 let num: number = 0;
 num = n < 2 ? 1 : fib(n - 1) + fib(n - 2);
 list.push(num);
 return num;
};
p.map(fib).then(() => {
 const current_encode_Time_later = performance.now();
 console.log(
 "Parra: Test_Time difference",
 (current_encode_Time_later - current_encode_Time_before) / 1000
 );
});

ReferenceError: list is not defined
 at fib (eval at <anonymous> (/Users/zhen/dev/simple/node_modules/_paralleljs@1.1.0@paralleljs/lib/eval.js:7:5), <anonymous>:4:5)