fromPairs.js 664 B

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  1. import baseAssignValue from './_baseAssignValue.js';
  2. /**
  3. * The inverse of `_.toPairs`; this method returns an object composed
  4. * from key-value `pairs`.
  5. *
  6. * @static
  7. * @memberOf _
  8. * @since 4.0.0
  9. * @category Array
  10. * @param {Array} pairs The key-value pairs.
  11. * @returns {Object} Returns the new object.
  12. * @example
  13. *
  14. * _.fromPairs([['a', 1], ['b', 2]]);
  15. * // => { 'a': 1, 'b': 2 }
  16. */
  17. function fromPairs(pairs) {
  18. var index = -1,
  19. length = pairs == null ? 0 : pairs.length,
  20. result = {};
  21. while (++index < length) {
  22. var pair = pairs[index];
  23. baseAssignValue(result, pair[0], pair[1]);
  24. }
  25. return result;
  26. }
  27. export default fromPairs;