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node_modules/lodash.some/index.js
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/** * lodash 4.2.0 (Custom Build) <https://lodash.com/> * Build: `lodash modularize exports="npm" -o ./` * Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/> * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE> * Copyright 2009-2016 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors * Available under MIT license <https://lodash.com/license> */ var baseEach = require('lodash._baseeach'), baseIteratee = require('lodash._baseiteratee'); /** Used as references for various `Number` constants. */ var MAX_SAFE_INTEGER = 9007199254740991; /** `Object#toString` result references. */ var funcTag = '[object Function]', genTag = '[object GeneratorFunction]'; /** Used to detect unsigned integer values. */ var reIsUint = /^(?:0|[1-9]\d*)$/; /** * A specialized version of `_.some` for arrays without support for iteratee * shorthands. * * @private * @param {Array} array The array to iterate over. * @param {Function} predicate The function invoked per iteration. * @returns {boolean} Returns `true` if any element passes the predicate check, else `false`. */ function arraySome(array, predicate) { var index = -1, length = array.length; while (++index < length) { if (predicate(array[index], index, array)) { return true; } } return false; } /** * 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; } /** Used for built-in method references. */ var objectProto = Object.prototype; /** * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring) * of values. */ var objectToString = objectProto.toString; /** * 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]; }; } /** * The base implementation of `_.some` without support for iteratee shorthands. * * @private * @param {Array|Object} collection The collection to iterate over. * @param {Function} predicate The function invoked per iteration. * @returns {boolean} Returns `true` if any element passes the predicate check, else `false`. */ function baseSome(collection, predicate) { var result; baseEach(collection, function(value, index, collection) { result = predicate(value, index, collection); return !result; }); return !!result; } /** * 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 the given 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)) { return eq(object[index], value); } return false; } /** * Checks if `predicate` returns truthy for **any** element of `collection`. * Iteration is stopped once `predicate` returns truthy. The predicate is * invoked with three arguments: (value, index|key, collection). * * @static * @memberOf _ * @category Collection * @param {Array|Object} collection The collection to iterate over. * @param {Function|Object|string} [predicate=_.identity] The function invoked per iteration. * @param- {Object} [guard] Enables use as an iteratee for functions like `_.map`. * @returns {boolean} Returns `true` if any element passes the predicate check, else `false`. * @example * * _.some([null, 0, 'yes', false], Boolean); * // => true * * var users = [ * { 'user': 'barney', 'active': true }, * { 'user': 'fred', 'active': false } * ]; * * // The `_.matches` iteratee shorthand. * _.some(users, { 'user': 'barney', 'active': false }); * // => false * * // The `_.matchesProperty` iteratee shorthand. * _.some(users, ['active', false]); * // => true * * // The `_.property` iteratee shorthand. * _.some(users, 'active'); * // => true */ function some(collection, predicate, guard) { var func = isArray(collection) ? arraySome : baseSome; if (guard && isIterateeCall(collection, predicate, guard)) { predicate = undefined; } return func(collection, baseIteratee(predicate, 3)); } /** * Performs a [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero) * comparison between two values to determine if they are equivalent. * * @static * @memberOf _ * @category Lang * @param {*} value The value to compare. * @param {*} other The other value to compare. * @returns {boolean} Returns `true` if the values are equivalent, else `false`. * @example * * var object = { 'user': 'fred' }; * var other = { 'user': 'fred' }; * * _.eq(object, object); * // => true * * _.eq(object, other); * // => false * * _.eq('a', 'a'); * // => true * * _.eq('a', Object('a')); * // => false * * _.eq(NaN, NaN); * // => true */ function eq(value, other) { return value === other || (value !== value && other !== other); } /** * Checks if `value` is classified as an `Array` object. * * @static * @memberOf _ * @type {Function} * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`. * @example * * _.isArray([1, 2, 3]); * // => true * * _.isArray(document.body.children); * // => false * * _.isArray('abc'); * // => false * * _.isArray(_.noop); * // => false */ var isArray = Array.isArray; /** * Checks if `value` is array-like. A value is considered array-like if it's * not a function and has a `value.length` that's an integer greater than or * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`. * * @static * @memberOf _ * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is array-like, else `false`. * @example * * _.isArrayLike([1, 2, 3]); * // => true * * _.isArrayLike(document.body.children); * // => true * * _.isArrayLike('abc'); * // => true * * _.isArrayLike(_.noop); * // => false */ function isArrayLike(value) { return value != null && !(typeof value == 'function' && isFunction(value)) && isLength(getLength(value)); } /** * Checks if `value` is classified as a `Function` object. * * @static * @memberOf _ * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`. * @example * * _.isFunction(_); * // => true * * _.isFunction(/abc/); * // => false */ function isFunction(value) { // The use of `Object#toString` avoids issues with the `typeof` operator // in Safari 8 which returns 'object' for typed array constructors, and // PhantomJS 1.9 which returns 'function' for `NodeList` instances. var tag = isObject(value) ? objectToString.call(value) : ''; return tag == funcTag || tag == genTag; } /** * Checks if `value` is a valid array-like length. * * **Note:** This function is loosely based on [`ToLength`](http://ecma-international.org/ecma-262/6.0/#sec-tolength). * * @static * @memberOf _ * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a valid length, else `false`. * @example * * _.isLength(3); * // => true * * _.isLength(Number.MIN_VALUE); * // => false * * _.isLength(Infinity); * // => false * * _.isLength('3'); * // => 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(_.noop); * // => true * * _.isObject(null); * // => false */ function isObject(value) { var type = typeof value; return !!value && (type == 'object' || type == 'function'); } module.exports = some; |