binary-tree-webworker.ts

/// <reference lib="webworker" />

addEventListener('message', ({ data }) => {
  const response = `worker response to ${data.lista}`;
  const objMessageReturn = {
    value: data.lista[0],
    halfDown: null,
    halfUp: null
  };
  if (data.lista.length > 1) {
    data.lista.splice(0, 1);
    const halfLength = Math.ceil(data.lista.length / 2);
    if (data.lista.length > 1) {
        const halfDown = data.lista.slice(0, halfLength);
        const halfUp = data.lista.slice(halfLength, data.lista.length);
        objMessageReturn.halfDown = halfDown;
        objMessageReturn.halfUp = halfUp;
    } else {
      data.halfDown = data.lista;
    }
  }
  postMessage(objMessageReturn);
});