function getObjects(data, keys) {
  let objects = [];
  for (let i = 0; i < data.length; ++i) {
    let object = {};
    let hasData = false;
    for (let j = 0; j < data[i].length; ++j) {
      let cellData = data[i][j];
      if (isCellEmpty(cellData)) {
        continue;
      }
      object[keys[j]] = cellData;
      hasData = true;
    }
    if (hasData) {
      objects.push(object);
    }
  }
  return objects;
}
Utility function for mapping sheet data to objects.