f-utility/lib/length.js

functional utilities

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.anyLength = exports.length = exports.objectLength = exports.propLength = undefined;

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

var _path = require("./path");

var _object = require("./object");

/**
 * returns .length if it exists on an input
 * @method propLength
 * @param {*} whatever - some input
 * @returns {number} length
 * @private
 */
var propLength = exports.propLength = (0, _path.prop)("length");

/**
 * returns total keys in an object
 * @method objectLength
 * @param {Object} object - an object
 * @returns {number} length
 * @private
 */
var objectLength = exports.objectLength = (0, _katsuCurry.pipe)(_object.keys, propLength);

var length = exports.length = propLength;
var anyLength = exports.anyLength = function anyLength(x) {
  return typeof x === "object" ? objectLength(x) : propLength(x);
};