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Diffstat (limited to 'deps/npm/node_modules/lodash.without/index.js')
-rw-r--r-- | deps/npm/node_modules/lodash.without/index.js | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/deps/npm/node_modules/lodash.without/index.js b/deps/npm/node_modules/lodash.without/index.js new file mode 100644 index 0000000000..2febcd416b --- /dev/null +++ b/deps/npm/node_modules/lodash.without/index.js @@ -0,0 +1,89 @@ +/** + * lodash 3.2.1 (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> + */ +var baseDifference = require('lodash._basedifference'), + restParam = require('lodash.restparam'); + +/** + * 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 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; +} + +/** + * Creates an array excluding all provided values using + * [`SameValueZero`](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-samevaluezero) + * for equality comparisons. + * + * @static + * @memberOf _ + * @category Array + * @param {Array} array The array to filter. + * @param {...*} [values] The values to exclude. + * @returns {Array} Returns the new array of filtered values. + * @example + * + * _.without([1, 2, 1, 3], 1, 2); + * // => [3] + */ +var without = restParam(function(array, values) { + return isArrayLike(array) + ? baseDifference(array, values) + : []; +}); + +module.exports = without; |