lodash.map - npm Package Compare versions

Comparing version 3.1.0 to 3.1.1

index.js

 /**
- * lodash 3.1.0 (Custom Build) <https://lodash.com/>
+ * lodash 3.1.1 (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 1.8.2 <http://underscorejs.org/LICENSE>
+ * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
  * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
@@ -16,2 +16,8 @@ * Available under MIT license <https://lodash.com/license>
 /**
+ * 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 `_.map` without support for callback shorthands
@@ -26,5 +32,8 @@ * and `this` binding.
 function baseMap(collection, iteratee) {
-  var result = [];
+  var index = -1,
+      length = getLength(collection),
+      result = isLength(length) ? Array(length) : [];
+
   baseEach(collection, function(value, key, collection) {
-    result.push(iteratee(value, key, collection));
+    result[++index] = iteratee(value, key, collection);
   });
@@ -35,2 +44,40 @@ return result;
 /**
+ * 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)
+ * in Safari on iOS 8.1 ARM64.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @returns {*} Returns the "length" value.
+ */
+var getLength = baseProperty('length');
+
+/**
+ * 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 of values by running each element in `collection` through
@@ -67,3 +114,2 @@ * `iteratee`. The `iteratee` is bound to `thisArg` and invoked with three
  *  per iteration.
- *  create a `_.property` or `_.matches` style callback respectively.
  * @param {*} [thisArg] The `this` binding of `iteratee`.
@@ -70,0 +116,0 @@ * @returns {Array} Returns the new mapped array.

package.json

 {
   "name": "lodash.map",
-  "version": "3.1.0",
+  "version": "3.1.1",
   "description": "The modern build of lodash’s `_.map` as a module.",
@@ -5,0 +5,0 @@ "homepage": "https://lodash.com/",

README.md

@@ -1,2 +0,2 @@
-# lodash.map v3.1.0
+# lodash.map v3.1.1
 
@@ -20,2 +20,2 @@ The [modern build](https://github.com/lodash/lodash/wiki/Build-Differences) of [lodash’s](https://lodash.com/) `_.map` exported as a [Node.js](http://nodejs.org/)/[io.js](https://iojs.org/) module.
 
-See the [documentation](https://lodash.com/docs#map) or [package source](https://github.com/lodash/lodash/blob/3.1.0-npm-packages/lodash.map) for more details.
+See the [documentation](https://lodash.com/docs#map) or [package source](https://github.com/lodash/lodash/blob/3.1.1-npm-packages/lodash.map) for more details.

No alert changes

Improved metrics

Total package byte prevSize

7551

increased by21.36%

Lines of code

132

increased by45.05%

No dependency changes