Bump to v3.2.0.

lodash.unzip/README.md

@@ -1,4 +1,4 @@
-# lodash.unzip v3.1.0
+# lodash.unzip v3.2.0
 
 The [modern build](https://github.com/lodash/lodash/wiki/Build-Differences) of [lodash’s](https://lodash.com/) `_.unzip` exported as a [Node.js](http://nodejs.org/)/[io.js](https://iojs.org/) module.
 
@@ -17,4 +17,4 @@ In Node.js/io.js:
 var unzip = require('lodash.unzip');
 ```
 
-See the [documentation](https://lodash.com/docs#unzip) or [package source](https://github.com/lodash/lodash/blob/3.1.0-npm-packages/lodash.unzip) for more details.
+See the [documentation](https://lodash.com/docs#unzip) or [package source](https://github.com/lodash/lodash/blob/3.2.0-npm-packages/lodash.unzip) for more details.

lodash.unzip/index.js

@@ -1,13 +1,22 @@
 /**
- * lodash 3.1.0 (Custom Build) <https://lodash.com/>
+ * lodash 3.2.0 (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 1.8.3 <http://underscorejs.org/LICENSE>
  * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
  * Available under MIT license <https://lodash.com/license>
  */
-var arrayMap = require('lodash._arraymap'),
-    arrayMax = require('lodash._arraymax');
+var arrayFilter = require('lodash._arrayfilter'),
+    arrayMap = require('lodash._arraymap');
+
+/* Native method references for those with the same name as other `lodash` methods. */
+var nativeMax = Math.max;
+
+/**
+ * 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 = Math.pow(2, 53) - 1;
 
 /**
  * The base implementation of `_.property` without support for deep paths.
@@ -26,7 +35,7 @@ function baseProperty(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)
- * in Safari on iOS 8.1 ARM64.
+ * that affects Safari on at least iOS 8.1-8.3 ARM64.
  *
  * @private
  * @param {Object} object The object to query.
@@ -34,9 +43,33 @@ function baseProperty(key) {
  */
 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;
+}
+
 /**
  * This method is like `_.zip` except that it accepts an array of grouped
- * elements and creates an array regrouping the elements to their pre-`_.zip`
+ * elements and creates an array regrouping the elements to their pre-zip
  * configuration.
  *
  * @static
@@ -53,10 +86,19 @@ var getLength = baseProperty('length');
  * // => [['fred', 'barney'], [30, 40], [true, false]]
  */
 function unzip(array) {
+  if (!(array && array.length)) {
+    return [];
+  }
   var index = -1,
-      length = (array && array.length && arrayMax(arrayMap(array, getLength))) >>> 0,
-      result = Array(length);
+      length = 0;
 
+  array = arrayFilter(array, function(group) {
+    if (isArrayLike(group)) {
+      length = nativeMax(group.length, length);
+      return true;
+    }
+  });
+  var result = Array(length);
   while (++index < length) {
     result[index] = arrayMap(array, baseProperty(index));
   }

lodash.unzip/package.json

@@ -1,6 +1,6 @@
 {
   "name": "lodash.unzip",
-  "version": "3.1.0",
+  "version": "3.2.0",
   "description": "The modern build of lodash’s `_.unzip` as a module.",
   "homepage": "https://lodash.com/",
   "icon": "https://lodash.com/icon.svg",
@@ -17,7 +17,7 @@
   "repository": "lodash/lodash",
   "scripts": { "test": "echo \"See https://travis-ci.org/lodash/lodash-cli for testing details.\"" },
   "dependencies": {
-    "lodash._arraymap": "^3.0.0",
-    "lodash._arraymax": "^3.0.0"
+    "lodash._arrayfilter": "^3.0.0",
+    "lodash._arraymap": "^3.0.0"
   }
 }