Error keep things from collecting

error.js

// Taken from https://twitter.com/robpalmer2/status/1505881530379419652?s=20&t=rNQb26Rwq0fddQHbhalpbw

function test() {
    const lotsOfMemory = new Uint8Array(1000 * 1000 * 100);
    function retains() { lotsOfMemory }
    const someNumber = Math.random();

    setInterval(() => {
        console.log(someNumber);
    }, 1000);
}

test();  // See 100MB forever in heap inspector

error2.js

let error;

function test() {
  const data = new Array(1000000).fill(0);
  
  return () => {
    error = new Error();
    data.push(0);
  }
}

test()();

setTimeout(() => {
  console.log(error.stack);
}, 10000);