Function sendMsg

utils/workerWrapper.ts:8–22

(payload, worker: Worker)

// Activate calculation in the worker, returning a promise
function sendMsg(payload, worker: Worker) {
  const msgId = globalMsgId++;
  const msg = {
    id: msgId,
    payload
  };
  return new Promise(function(resolve, reject) {
    // save callbacks for later
    resolves[msgId] = resolve;
    rejects[msgId] = reject;
    worker.postMessage(msg);

    // TODO: CHECK FOR MEMORY LEAK
  });
}
// Handle incoming calculation result
function handleMsg(msg) {
  const { id, err, payload } = msg.data;