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- /**
- * lodash 3.0.9 (Custom Build) <https://lodash.com/>
- * Build: `lodash modern modularize exports="npm" -o ./`
- * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
- * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
- * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
- * Available under MIT license <https://lodash.com/license>
- */
-
- /** Used to detect unsigned integer values. */
- var reIsUint = /^\d+$/;
-
- /**
- * Used as the [maximum length](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-number.max_safe_integer)
- * of an array-like value.
- */
- var MAX_SAFE_INTEGER = 9007199254740991;
-
- /**
- * The base implementation of `_.property` without support for deep paths.
- *
- * @private
- * @param {string} key The key of the property to get.
- * @returns {Function} Returns the new function.
- */
- function baseProperty(key) {
- return function(object) {
- return object == null ? undefined : object[key];
- };
- }
-
- /**
- * Gets the "length" property value of `object`.
- *
- * **Note:** This function is used to avoid a [JIT bug](https://bugs.webkit.org/show_bug.cgi?id=142792)
- * that affects Safari on at least iOS 8.1-8.3 ARM64.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {*} Returns the "length" value.
- */
- var getLength = baseProperty('length');
-
- /**
- * Checks if `value` is array-like.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
- */
- function isArrayLike(value) {
- return value != null && isLength(getLength(value));
- }
-
- /**
- * Checks if `value` is a valid array-like index.
- *
- * @private
- * @param {*} value The value to check.
- * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
- * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
- */
- function isIndex(value, length) {
- value = (typeof value == 'number' || reIsUint.test(value)) ? +value : -1;
- length = length == null ? MAX_SAFE_INTEGER : length;
- return value > -1 && value % 1 == 0 && value < length;
- }
-
- /**
- * Checks if the provided arguments are from an iteratee call.
- *
- * @private
- * @param {*} value The potential iteratee value argument.
- * @param {*} index The potential iteratee index or key argument.
- * @param {*} object The potential iteratee object argument.
- * @returns {boolean} Returns `true` if the arguments are from an iteratee call, else `false`.
- */
- function isIterateeCall(value, index, object) {
- if (!isObject(object)) {
- return false;
- }
- var type = typeof index;
- if (type == 'number'
- ? (isArrayLike(object) && isIndex(index, object.length))
- : (type == 'string' && index in object)) {
- var other = object[index];
- return value === value ? (value === other) : (other !== other);
- }
- return false;
- }
-
- /**
- * Checks if `value` is a valid array-like length.
- *
- * **Note:** This function is based on [`ToLength`](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength).
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
- */
- function isLength(value) {
- return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
- }
-
- /**
- * Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.
- * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
- *
- * @static
- * @memberOf _
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is an object, else `false`.
- * @example
- *
- * _.isObject({});
- * // => true
- *
- * _.isObject([1, 2, 3]);
- * // => true
- *
- * _.isObject(1);
- * // => false
- */
- function isObject(value) {
- // Avoid a V8 JIT bug in Chrome 19-20.
- // See https://code.google.com/p/v8/issues/detail?id=2291 for more details.
- var type = typeof value;
- return !!value && (type == 'object' || type == 'function');
- }
-
- module.exports = isIterateeCall;
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