lodash.union@3.1.0

1 files changed, 35 insertions, 0 deletions

diff --git a/node_modules/lodash.union/index.js b/node_modules/lodash.union/index.js
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+/**
+ * lodash 3.1.0 (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 baseFlatten = require('lodash._baseflatten'),
+    baseUniq = require('lodash._baseuniq'),
+    restParam = require('lodash.restparam');
+
+/**
+ * Creates an array of unique values, in order, of the provided arrays using
+ * `SameValueZero` for equality comparisons.
+ *
+ * **Note:** [`SameValueZero`](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-samevaluezero)
+ * comparisons are like strict equality comparisons, e.g. `===`, except that
+ * `NaN` matches `NaN`.
+ *
+ * @static
+ * @memberOf _
+ * @category Array
+ * @param {...Array} [arrays] The arrays to inspect.
+ * @returns {Array} Returns the new array of combined values.
+ * @example
+ *
+ * _.union([1, 2], [4, 2], [2, 1]);
+ * // => [1, 2, 4]
+ */
+var union = restParam(function(arrays) {
+  return baseUniq(baseFlatten(arrays, false, true));
+});
+
+module.exports = union;