Create a key value object from a 2d array in javascript

conver.js

/*
  const array = [
    ['name', 'some name'],
    ['size', 1746],
    ['format', 'some format']
  ];
  
  convert array to an object as:
    {
      name: 'some name',
      size: 1746,
      format: 'some format'
    }
*/

function convert2DArrayToKeyValueObject(array) {
  return array.reduce((result, innerArray) => {
    return {
      ...result,
      ...{
        [innerArray[0]]: innerArray[1]
      }
    };
  }, {});
}

split.js

function splitByKeyValue(locationString, separator) {
  return locationString.split(separator);
}