Mapping an array to an object

createMapFromPairs.js

/*
 * Given an array of pairs
 * such as this 
 * `['a-b','b-c']`
 * 
 * and we wish to convert to
 * `{
 *  a: b,
 *  b: c
 * }`
 */

/*
 * @param {Array} pairs such as ['a-b', 'b-c']
 * @param {String} a delimiter that it used to split each item in the array
 */
export default function createMapFromPairs(pairs, pairDelimiter) {
  return pairs.reduce(function (result, currentPair) {
      var keyValueArray = currentPair.split(pairDelimiter);
      result[keyValueArray[0]] = keyValueArray[1];
      return result;
  }, {});
}


/*
 * Sample usage:
 *  var array = ['a-b', 'b-c'];
 *  var pairDelimiter = '-';
 *  createMapFromPairs(array, pairDelimiter);
*/