test-performance/src/getScore.ts

Simplifying testing performance

import perfTest from './perfTest';

const NUMBER_OF_TESTS = 10000;

/**
 * This function runs the performance test 10,000 times, and returns
 * the average in milliseconds.
 */
export default async function getScore(func: Function): Promise<number> {
  const tests = new Array(NUMBER_OF_TESTS).fill(undefined).map(async () => perfTest(func));
  const results = await Promise.all(tests);
  return results.reduce((acc, val) => acc + val, 0) / NUMBER_OF_TESTS;
}