ramda/src/maxBy.js

A practical functional library for JavaScript programmers.

var _curry3 = /*#__PURE__*/require("./internal/_curry3.js");
var max = /*#__PURE__*/require("./max.js");
/**
 * Takes a function and two values, and returns whichever value produces the
 * larger result when passed to the provided function.
 *
 * @func
 * @memberOf R
 * @since v0.8.0
 * @category Relation
 * @sig Ord b => (a -> b) -> a -> a -> a
 * @param {Function} f
 * @param {*} a
 * @param {*} b
 * @return {*}
 * @see R.max, R.minBy
 * @example
 *
 *      //  square :: Number -> Number
 *      const square = n => n * n;
 *
 *      R.maxBy(square, -3, 2); //=> -3
 *
 *      R.reduce(R.maxBy(square), 0, [3, -5, 4, 1, -2]); //=> -5
 *      R.reduce(R.maxBy(square), 0, []); //=> 0
 */
var maxBy = /*#__PURE__*/_curry3(function maxBy(f, a, b) {
  var resultB = f(b);
  return max(f(a), resultB) === resultB ? b : a;
});
module.exports = maxBy;