max.js 1.0 KB

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  1. import _curry2 from "./internal/_curry2.js";
  2. import toString from "./toString.js";
  3. /**
  4. * Returns the larger of its two arguments.
  5. *
  6. * @func
  7. * @memberOf R
  8. * @since v0.1.0
  9. * @category Relation
  10. * @sig Ord a => a -> a -> a
  11. * @param {*} a
  12. * @param {*} b
  13. * @return {*}
  14. * @see R.maxBy, R.min
  15. * @example
  16. *
  17. * R.max(789, 123); //=> 789
  18. * R.max('a', 'b'); //=> 'b'
  19. */
  20. var max =
  21. /*#__PURE__*/
  22. _curry2(function max(a, b) {
  23. if (a === b) {
  24. return b;
  25. }
  26. function safeMax(x, y) {
  27. if (x > y !== y > x) {
  28. return y > x ? y : x;
  29. }
  30. return undefined;
  31. }
  32. var maxByValue = safeMax(a, b);
  33. if (maxByValue !== undefined) {
  34. return maxByValue;
  35. }
  36. var maxByType = safeMax(typeof a, typeof b);
  37. if (maxByType !== undefined) {
  38. return maxByType === typeof a ? a : b;
  39. }
  40. var stringA = toString(a);
  41. var maxByStringValue = safeMax(stringA, toString(b));
  42. if (maxByStringValue !== undefined) {
  43. return maxByStringValue === stringA ? a : b;
  44. }
  45. return b;
  46. });
  47. export default max;