15fd5c1c2644854b748e358e08d91400bc4b241ebf09c589cfa5bdd46cdb645922ac7b2f88decee631f0da1841edd1db2f7c0fdb6836c9edf2ee24b9561d7c 381 B

123456789101112
  1. 'use strict';
  2. var call = require('../internals/function-call');
  3. module.exports = function (record, fn, ITERATOR_INSTEAD_OF_RECORD) {
  4. var iterator = ITERATOR_INSTEAD_OF_RECORD ? record : record.iterator;
  5. var next = record.next;
  6. var step, result;
  7. while (!(step = call(next, iterator)).done) {
  8. result = fn(step.value);
  9. if (result !== undefined) return result;
  10. }
  11. };