f-utility/lib/choice.js

functional utilities

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.choice = exports.__choice = undefined;

var _katsuCurry = require("katsu-curry");

/**
 * takes a function that takes two parameters and returns a ternary result
 * @method choice
 * @param {function} cnFn - ternary
 * @param {*} b - anything
 * @param {*} a - anything
 * @returns {*} result
 * @public
 * @example
 * import {choice} from 'f-utility'
 * const max = choice((a, b) => a > b)
 * max(500, 20) // 500
 * max(20, 500) // 500
 */
var __choice = exports.__choice = function __choice(cnFn, b, a) {
  return cnFn(a, b) ? a : b;
};
var choice = exports.choice = (0, _katsuCurry.curry)(__choice);