Add up the render times from a React DevTools profiler export

sumRenders.cjs

const fs = require("fs");

const path =
  "/Users/srmagura/Downloads/profiling-data.10-21-2022.13-06-25.json";
const text = fs.readFileSync(path, { encoding: "utf-8" });
const obj = JSON.parse(text);

const commitData = obj["dataForRoots"][0]["commitData"];

console.log(`${commitData.length} renders`);

const sum = commitData.reduce((acc, cur) => acc + cur.duration, 0);
console.log(`${Math.round(sum)} ms total`);