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Diffstat (limited to 'node_modules/lodash._basedifference/index.js')
-rw-r--r-- | node_modules/lodash._basedifference/index.js | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/node_modules/lodash._basedifference/index.js b/node_modules/lodash._basedifference/index.js new file mode 100644 index 000000000..3e4435ef6 --- /dev/null +++ b/node_modules/lodash._basedifference/index.js @@ -0,0 +1,60 @@ +/** + * lodash 3.0.2 (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 1.8.2 <http://underscorejs.org/LICENSE> + * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors + * Available under MIT license <https://lodash.com/license> + */ +var baseIndexOf = require('lodash._baseindexof'), + cacheIndexOf = require('lodash._cacheindexof'), + createCache = require('lodash._createcache'); + +/** + * The base implementation of `_.difference` which accepts a single array + * of values to exclude. + * + * @private + * @param {Array} array The array to inspect. + * @param {Array} values The values to exclude. + * @returns {Array} Returns the new array of filtered values. + */ +function baseDifference(array, values) { + var length = array ? array.length : 0, + result = []; + + if (!length) { + return result; + } + var index = -1, + indexOf = baseIndexOf, + isCommon = true, + cache = (isCommon && values.length >= 200) ? createCache(values) : null, + valuesLength = values.length; + + if (cache) { + indexOf = cacheIndexOf; + isCommon = false; + values = cache; + } + outer: + while (++index < length) { + var value = array[index]; + + if (isCommon && value === value) { + var valuesIndex = valuesLength; + while (valuesIndex--) { + if (values[valuesIndex] === value) { + continue outer; + } + } + result.push(value); + } + else if (indexOf(values, value, 0) < 0) { + result.push(value); + } + } + return result; +} + +module.exports = baseDifference; |