code: function getSizes(requestSizes) {
    let width = 0;
    let height = 0;
    if (utils.isArray(requestSizes) && requestSizes.length === 2 &&
      !utils.isArray(requestSizes[0])) {
      width = parseInt(requestSizes[0], 10);
      height = parseInt(requestSizes[1], 10);
    } else if (typeof requestSizes === 'object') {
      for (let i = 0; i < requestSizes.length; i++) {
        let size = requestSizes[i];
        width = parseInt(size[0], 10);
        height = parseInt(size[1], 10);
        break;
      }
    }
    return [width, height];
  }
docs: /* Turn bid request sizes into compatible format