isiterable.js 433 B

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  1. /**
  2. * @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. /**
  6. * @module utils/isiterable
  7. */
  8. /**
  9. * Checks if value implements iterator interface.
  10. *
  11. * @param {*} value The value to check.
  12. * @returns {Boolean} True if value implements iterator interface.
  13. */
  14. export default function isIterable( value ) {
  15. return !!( value && value[ Symbol.iterator ] );
  16. }