Bump to v3.5.0.

lodash.sum/README.md

@@ -1,4 +1,4 @@
-# lodash.sum v3.4.0
+# lodash.sum v3.5.0
 
 The [modern build](https://github.com/lodash/lodash/wiki/Build-Differences) of [lodash’s](https://lodash.com/) `_.sum` exported as a [Node.js](http://nodejs.org/)/[io.js](https://iojs.org/) module.
 
@@ -17,4 +17,4 @@ In Node.js/io.js:
 var sum = require('lodash.sum');
 ```
 
-See the [documentation](https://lodash.com/docs#sum) or [package source](https://github.com/lodash/lodash/blob/3.4.0-npm-packages/lodash.sum) for more details.
+See the [documentation](https://lodash.com/docs#sum) or [package source](https://github.com/lodash/lodash/blob/3.5.0-npm-packages/lodash.sum) for more details.

lodash.sum/index.js

@@ -1,14 +1,51 @@
 /**
- * lodash 3.4.0 (Custom Build) <https://lodash.com/>
+ * lodash 3.5.0 (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 toIterable = require('lodash._toiterable'),
+var baseCallback = require('lodash._basecallback'),
+    baseEach = require('lodash._baseeach'),
+    isIterateeCall = require('lodash._isiterateecall'),
+    toIterable = require('lodash._toiterable'),
     isArray = require('lodash.isarray');
 
+/**
+ * A specialized version of `_.sum` for arrays without support for iteratees.
+ *
+ * @private
+ * @param {Array} array The array to iterate over.
+ * @returns {number} Returns the sum.
+ */
+function arraySum(array) {
+  var length = array.length,
+      result = 0;
+
+  while (length--) {
+    result += +array[length] || 0;
+  }
+  return result;
+}
+
+/**
+ * The base implementation of `_.sum` without support for callback shorthands
+ * and `this` binding.
+ *
+ * @private
+ * @param {Array|Object|string} collection The collection to iterate over.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @returns {number} Returns the sum.
+ */
+function baseSum(collection, iteratee) {
+  var result = 0;
+  baseEach(collection, function(value, index, collection) {
+    result += +iteratee(value, index, collection) || 0;
+  });
+  return result;
+}
+
 /**
  * Gets the sum of the values in `collection`.
  *
@@ -16,26 +53,41 @@ var toIterable = require('lodash._toiterable'),
  * @memberOf _
  * @category Math
  * @param {Array|Object|string} collection The collection to iterate over.
+ * @param {Function|Object|string} [iteratee] The function invoked per iteration.
+ * @param {*} [thisArg] The `this` binding of `iteratee`.
  * @returns {number} Returns the sum.
  * @example
  *
- * _.sum([4, 6, 2]);
- * // => 12
+ * _.sum([4, 6]);
+ * // => 10
  *
- * _.sum({ 'a': 4, 'b': 6, 'c': 2 });
- * // => 12
+ * _.sum({ 'a': 4, 'b': 6 });
+ * // => 10
+ *
+ * var objects = [
+ *   { 'n': 4 },
+ *   { 'n': 6 }
+ * ];
+ *
+ * _.sum(objects, function(object) {
+ *   return object.n;
+ * });
+ * // => 10
+ *
+ * // using the `_.property` callback shorthand
+ * _.sum(objects, 'n');
+ * // => 10
  */
-function sum(collection) {
-  if (!isArray(collection)) {
-    collection = toIterable(collection);
+function sum(collection, iteratee, thisArg) {
+  if (thisArg && isIterateeCall(collection, iteratee, thisArg)) {
+    iteratee = null;
   }
-  var length = collection.length,
-      result = 0;
+  var noIteratee = iteratee == null;
 
-  while (length--) {
-    result += +collection[length] || 0;
-  }
-  return result;
+  iteratee = noIteratee ? iteratee : baseCallback(iteratee, thisArg, 3);
+  return noIteratee
+    ? arraySum(isArray(collection) ? collection : toIterable(collection))
+    : baseSum(collection, iteratee);
 }
 
 module.exports = sum;

lodash.sum/package.json

@@ -1,6 +1,6 @@
 {
   "name": "lodash.sum",
-  "version": "3.4.0",
+  "version": "3.5.0",
   "description": "The modern build of lodash’s `_.sum` as a module.",
   "homepage": "https://lodash.com/",
   "icon": "https://lodash.com/icon.svg",
@@ -17,6 +17,9 @@
   "repository": "lodash/lodash",
   "scripts": { "test": "echo \"See https://travis-ci.org/lodash/lodash-cli for testing details.\"" },
   "dependencies": {
+    "lodash._basecallback": "^3.0.0",
+    "lodash._baseeach": "^3.0.0",
+    "lodash._isiterateecall": "^3.0.0",
     "lodash._toiterable": "^3.0.0",
     "lodash.isarray": "^3.0.0"
   }