takeLast.js 977 B

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  1. import _curry2 from "./internal/_curry2.js";
  2. import drop from "./drop.js";
  3. /**
  4. * Returns a new list containing the last `n` elements of the given list.
  5. * If `n > list.length`, returns a list of `list.length` elements.
  6. *
  7. * @func
  8. * @memberOf R
  9. * @since v0.16.0
  10. * @category List
  11. * @sig Number -> [a] -> [a]
  12. * @sig Number -> String -> String
  13. * @param {Number} n The number of elements to return.
  14. * @param {Array} xs The collection to consider.
  15. * @return {Array}
  16. * @see R.dropLast
  17. * @example
  18. *
  19. * R.takeLast(1, ['foo', 'bar', 'baz']); //=> ['baz']
  20. * R.takeLast(2, ['foo', 'bar', 'baz']); //=> ['bar', 'baz']
  21. * R.takeLast(3, ['foo', 'bar', 'baz']); //=> ['foo', 'bar', 'baz']
  22. * R.takeLast(4, ['foo', 'bar', 'baz']); //=> ['foo', 'bar', 'baz']
  23. * R.takeLast(3, 'ramda'); //=> 'mda'
  24. */
  25. var takeLast =
  26. /*#__PURE__*/
  27. _curry2(function takeLast(n, xs) {
  28. return drop(n >= 0 ? xs.length - n : 0, xs);
  29. });
  30. export default takeLast;