f-utility/lib/which.js

functional utilities

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.every = exports.some = exports.which = exports.__which = undefined;

var _some = require("fast.js/array/some");

var _some2 = _interopRequireDefault(_some);

var _every = require("fast.js/array/every");

var _every2 = _interopRequireDefault(_every);

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

var _flip = require("./flip");

var _triplet = require("./triplet");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

var keys = Object.keys;
var __which = exports.__which = function __which(compare, fn, o) {
  // allows us to pass functions to compare first
  var arecomp = (0, _flip.flip)(compare);
  return (0, _triplet.triplet)(Array.isArray, arecomp(fn), (0, _katsuCurry.pipe)(keys, arecomp(function (key) {
    return fn(o[key], key);
  })), o);
};
var which = exports.which = (0, _katsuCurry.curry)(__which);

/**
 * array.some(fn) but curried and lazy
 * @method some
 * @param {function} predicate
 * @param {Array} iterable
 * @returns {boolean}
 * @public
 * @example
 * import {some} from 'f-utility'
 * some((x) => x === `j`, [`j`, `k`, `l`]) // true
 * some((x) => x === `z`, [`j`, `k`, `l`]) // false
 */
var some = exports.some = which(_some2["default"]);

/**
 * array.every(fn) but curried and lazy
 * @method every
 * @param {function} predicate
 * @param {Array} iterable
 * @returns {boolean}
 * @public
 * @example
 * import {isNumber, every} from 'f-utility'
 * every(isNumber, [0, 1, 2, 3, 4]) // true
 * every(isNumber, [0, 1, 2, 3, `four`]) // false
 */
var every = exports.every = which(_every2["default"]);