lodash.memoize - npm Package Compare versions

Comparing version 3.0.4 to 3.1.0

index.js

 /**
- * lodash 3.0.4 (Custom Build) <https://lodash.com/>
- * Build: `lodash modern modularize exports="npm" -o ./`
- * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
+ * lodash 3.1.0 (Custom Build) <https://lodash.com/>
+ * Build: `lodash modularize exports="npm" -o ./`
+ * Copyright 2012-2016 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
+ * Copyright 2009-2016 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
  * Available under MIT license <https://lodash.com/license>
  */
+var MapCache = require('lodash._mapcache');
 
@@ -13,88 +14,13 @@ /** Used as the `TypeError` message for "Functions" methods. */
 
-/** Used for native method references. */
-var objectProto = Object.prototype;
-
-/** Used to check objects for own properties. */
-var hasOwnProperty = objectProto.hasOwnProperty;
-
 /**
- * Creates a cache object to store key/value pairs.
- *
- * @private
- * @static
- * @name Cache
- * @memberOf _.memoize
- */
-function MapCache() {
-  this.__data__ = {};
-}
-
-/**
- * Removes `key` and its value from the cache.
- *
- * @private
- * @name delete
- * @memberOf _.memoize.Cache
- * @param {string} key The key of the value to remove.
- * @returns {boolean} Returns `true` if the entry was removed successfully, else `false`.
- */
-function mapDelete(key) {
-  return this.has(key) && delete this.__data__[key];
-}
-
-/**
- * Gets the cached value for `key`.
- *
- * @private
- * @name get
- * @memberOf _.memoize.Cache
- * @param {string} key The key of the value to get.
- * @returns {*} Returns the cached value.
- */
-function mapGet(key) {
-  return key == '__proto__' ? undefined : this.__data__[key];
-}
-
-/**
- * Checks if a cached value for `key` exists.
- *
- * @private
- * @name has
- * @memberOf _.memoize.Cache
- * @param {string} key The key of the entry to check.
- * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
- */
-function mapHas(key) {
-  return key != '__proto__' && hasOwnProperty.call(this.__data__, key);
-}
-
-/**
- * Sets `value` to `key` of the cache.
- *
- * @private
- * @name set
- * @memberOf _.memoize.Cache
- * @param {string} key The key of the value to cache.
- * @param {*} value The value to cache.
- * @returns {Object} Returns the cache object.
- */
-function mapSet(key, value) {
-  if (key != '__proto__') {
-    this.__data__[key] = value;
-  }
-  return this;
-}
-
-/**
  * Creates a function that memoizes the result of `func`. If `resolver` is
  * provided it determines the cache key for storing the result based on the
  * arguments provided to the memoized function. By default, the first argument
- * provided to the memoized function is coerced to a string and used as the
- * cache key. The `func` is invoked with the `this` binding of the memoized
- * function.
+ * provided to the memoized function is used as the map cache key. The `func`
+ * is invoked with the `this` binding of the memoized function.
  *
  * **Note:** The cache is exposed as the `cache` property on the memoized
  * function. Its creation may be customized by replacing the `_.memoize.Cache`
- * constructor with one whose instances implement the [`Map`](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-properties-of-the-map-prototype-object)
- * method interface of `get`, `has`, and `set`.
+ * constructor with one whose instances implement the [`Map`](http://ecma-international.org/ecma-262/6.0/#sec-properties-of-the-map-prototype-object)
+ * method interface of `delete`, `get`, `has`, and `set`.
  *
@@ -109,31 +35,23 @@ * @static
  *
- * var upperCase = _.memoize(function(string) {
- *   return string.toUpperCase();
- * });
+ * var object = { 'a': 1, 'b': 2 };
+ * var other = { 'c': 3, 'd': 4 };
  *
- * upperCase('fred');
- * // => 'FRED'
+ * var values = _.memoize(_.values);
+ * values(object);
+ * // => [1, 2]
  *
+ * values(other);
+ * // => [3, 4]
+ *
+ * object.a = 2;
+ * values(object);
+ * // => [1, 2]
+ *
  * // modifying the result cache
- * upperCase.cache.set('fred', 'BARNEY');
- * upperCase('fred');
- * // => 'BARNEY'
+ * values.cache.set(object, ['a', 'b']);
+ * values(object);
+ * // => ['a', 'b']
  *
  * // replacing `_.memoize.Cache`
- * var object = { 'user': 'fred' };
- * var other = { 'user': 'barney' };
- * var identity = _.memoize(_.identity);
- *
- * identity(object);
- * // => { 'user': 'fred' }
- * identity(other);
- * // => { 'user': 'fred' }
- *
  * _.memoize.Cache = WeakMap;
- * var identity = _.memoize(_.identity);
- *
- * identity(object);
- * // => { 'user': 'fred' }
- * identity(other);
- * // => { 'user': 'barney' }
  */
@@ -160,8 +78,2 @@ function memoize(func, resolver) {
 
-// Add functions to the `Map` cache.
-MapCache.prototype['delete'] = mapDelete;
-MapCache.prototype.get = mapGet;
-MapCache.prototype.has = mapHas;
-MapCache.prototype.set = mapSet;
-
 // Assign cache to `_.memoize`.
@@ -168,0 +80,0 @@ memoize.Cache = MapCache;

package.json

 {
   "name": "lodash.memoize",
-  "version": "3.0.4",
-  "description": "The modern build of lodash’s `_.memoize` as a module.",
+  "version": "3.1.0",
+  "description": "The lodash method `_.memoize` exported as a module.",
   "homepage": "https://lodash.com/",
   "icon": "https://lodash.com/icon.svg",
   "license": "MIT",
-  "keywords": "lodash, lodash-modularized, stdlib, util",
+  "keywords": "lodash, lodash-modularized, stdlib, util, memoize",
   "author": "John-David Dalton <[e-mail]> (http://allyoucanleet.com/)",
   "contributors": [
     "John-David Dalton <[e-mail]> (http://allyoucanleet.com/)",
-    "Benjamin Tan <[e-mail]> (https://d10.github.io/)",
-    "Blaine Bublitz <[e-mail]> (http://www.iceddev.com/)",
-    "Kit Cambridge <[e-mail]> (http://kitcambridge.be/)",
+    "Blaine Bublitz <[e-mail]> (https://github.com/phated)",
     "Mathias Bynens <[e-mail]> (https://mathiasbynens.be/)"
   ],
   "repository": "lodash/lodash",
-  "scripts": { "test": "echo \"See https://travis-ci.org/lodash/lodash-cli for testing details.\"" }
+  "scripts": { "test": "echo \"See https://travis-ci.org/lodash/lodash-cli for testing details.\"" },
+  "dependencies": {
+    "lodash._mapcache": "^3.0.0"
+  }
 }

README.md

@@ -1,4 +0,4 @@
-# lodash.memoize v3.0.4
+# lodash.memoize v3.1.0
 
-The [modern build](https://github.com/lodash/lodash/wiki/Build-Differences) of [lodash’s](https://lodash.com/) `_.memoize` exported as a [Node.js](http://nodejs.org/)/[io.js](https://iojs.org/) module.
+The [lodash](https://lodash.com/) method `_.memoize` exported as a [Node.js](https://nodejs.org/) module.
 
@@ -8,3 +8,2 @@ ## Installation
 Using npm:
-
 ```bash
@@ -15,4 +14,3 @@ $ {sudo -H} npm i -g npm
 
-In Node.js/io.js:
-
+In Node.js:
 ```js
@@ -22,2 +20,2 @@ var memoize = require('lodash.memoize');
 
-See the [documentation](https://lodash.com/docs#memoize) or [package source](https://github.com/lodash/lodash/blob/3.0.4-npm-packages/lodash.memoize) for more details.
+See the [documentation](https://lodash.com/docs#memoize) or [package source](https://github.com/lodash/lodash/blob/3.1.0-npm-packages/lodash.memoize) for more details.

No alert changes

Worsened metrics

Total package byte prevSize

5129

decreased by-30.72%

Dependency count

1

increased byInfinity%

Lines of code

74

decreased by-51.95%

Number of lines in readme file

19

decreased by-9.52%

Dependency changes

• + Addedlodash._mapcache@^3.0.0