diff options
Diffstat (limited to 'deps/npm/node_modules/lodash.union/index.js')
-rw-r--r-- | deps/npm/node_modules/lodash.union/index.js | 228 |
1 files changed, 223 insertions, 5 deletions
diff --git a/deps/npm/node_modules/lodash.union/index.js b/deps/npm/node_modules/lodash.union/index.js index 158c0d75c04..9bc9475d2c0 100644 --- a/deps/npm/node_modules/lodash.union/index.js +++ b/deps/npm/node_modules/lodash.union/index.js @@ -1,15 +1,58 @@ /** - * lodash 4.2.1 (Custom Build) <https://lodash.com/> + * lodash 4.3.0 (Custom Build) <https://lodash.com/> * Build: `lodash modularize exports="npm" -o ./` - * Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/> + * Copyright jQuery Foundation and other contributors <https://jquery.org/> + * Released under MIT license <https://lodash.com/license> * 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> + * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors */ var baseFlatten = require('lodash._baseflatten'), baseUniq = require('lodash._baseuniq'), rest = require('lodash.rest'); +/** Used as references for various `Number` constants. */ +var MAX_SAFE_INTEGER = 9007199254740991; + +/** `Object#toString` result references. */ +var funcTag = '[object Function]', + genTag = '[object GeneratorFunction]'; + +/** 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]; + }; +} + +/** + * 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'); + /** * Creates an array of unique values, in order, from all given arrays using * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero) @@ -17,6 +60,7 @@ var baseFlatten = require('lodash._baseflatten'), * * @static * @memberOf _ + * @since 0.1.0 * @category Array * @param {...Array} [arrays] The arrays to inspect. * @returns {Array} Returns the new array of combined values. @@ -26,7 +70,181 @@ var baseFlatten = require('lodash._baseflatten'), * // => [2, 1, 4] */ var union = rest(function(arrays) { - return baseUniq(baseFlatten(arrays, 1, true)); + return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true)); }); +/** + * 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 _ + * @since 4.0.0 + * @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 && isLength(getLength(value)) && !isFunction(value); +} + +/** + * This method is like `_.isArrayLike` except that it also checks if `value` + * is an object. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is an array-like object, + * else `false`. + * @example + * + * _.isArrayLikeObject([1, 2, 3]); + * // => true + * + * _.isArrayLikeObject(document.body.children); + * // => true + * + * _.isArrayLikeObject('abc'); + * // => false + * + * _.isArrayLikeObject(_.noop); + * // => false + */ +function isArrayLikeObject(value) { + return isObjectLike(value) && isArrayLike(value); +} + +/** + * Checks if `value` is classified as a `Function` object. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @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 and weak map 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 _ + * @since 4.0.0 + * @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](http://www.ecma-international.org/ecma-262/6.0/#sec-ecmascript-language-types) + * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`) + * + * @static + * @memberOf _ + * @since 0.1.0 + * @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'); +} + +/** + * Checks if `value` is object-like. A value is object-like if it's not `null` + * and has a `typeof` result of "object". + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is object-like, else `false`. + * @example + * + * _.isObjectLike({}); + * // => true + * + * _.isObjectLike([1, 2, 3]); + * // => true + * + * _.isObjectLike(_.noop); + * // => false + * + * _.isObjectLike(null); + * // => false + */ +function isObjectLike(value) { + return !!value && typeof value == 'object'; +} + module.exports = union; |