lodash.isempty - npm Package Compare versions

Comparing version 2.4.1 to 3.0.0

index.js

 /**
- * Lo-Dash 2.4.1 (Custom Build) <http://lodash.com/>
- * Build: `lodash modularize modern exports="npm" -o ./npm/`
- * Copyright 2012-2013 The Dojo Foundation <http://dojofoundation.org/>
- * Based on Underscore.js 1.5.2 <http://underscorejs.org/LICENSE>
- * Copyright 2009-2013 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
- * Available under MIT license <http://lodash.com/license>
+ * lodash 3.0.0 (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 1.7.0 <http://underscorejs.org/LICENSE>
+ * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+ * Available under MIT license <https://lodash.com/license>
  */
-var forOwn = require('lodash.forown'),
-    isFunction = require('lodash.isfunction');
+var isArguments = require('lodash.isarguments'),
+    isArray = require('lodash.isarray'),
+    isFunction = require('lodash.isfunction'),
+    isString = require('lodash.isstring'),
+    keys = require('lodash.keys');
 
-/** `Object#toString` result shortcuts */
-var argsClass = '[object Arguments]',
-    arrayClass = '[object Array]',
-    objectClass = '[object Object]',
-    stringClass = '[object String]';
+/**
+ * Checks if `value` is object-like.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
+ */
+function isObjectLike(value) {
+  return (value && typeof value == 'object') || false;
+}
 
-/** Used for native method references */
-var objectProto = Object.prototype;
+/**
+ * Used as the maximum length of an array-like value.
+ * See the [ES spec](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength)
+ * for more details.
+ */
+var MAX_SAFE_INTEGER = Math.pow(2, 53) - 1;
 
-/** Used to resolve the internal [[Class]] of values */
-var toString = objectProto.toString;
+/**
+ * Checks if `value` is a valid array-like length.
+ *
+ * @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;
+}
 
 /**
- * Checks if `value` is empty. Arrays, strings, or `arguments` objects with a
- * length of `0` and objects with no own enumerable properties are considered
- * "empty".
+ * Checks if a value is empty. A value is considered empty unless it is an
+ * `arguments` object, array, string, or jQuery-like collection with a length
+ * greater than `0` or an object with own enumerable properties.
  *
  * @static
  * @memberOf _
- * @category Objects
+ * @category Lang
  * @param {Array|Object|string} value The value to inspect.
- * @returns {boolean} Returns `true` if the `value` is empty, else `false`.
+ * @returns {boolean} Returns `true` if `value` is empty, else `false`.
  * @example
  *
- * _.isEmpty([1, 2, 3]);
- * // => false
+ * _.isEmpty(null);
+ * // => true
  *
- * _.isEmpty({});
+ * _.isEmpty(true);
  * // => true
  *
- * _.isEmpty('');
+ * _.isEmpty(1);
  * // => true
+ *
+ * _.isEmpty([1, 2, 3]);
+ * // => false
+ *
+ * _.isEmpty({ 'a': 1 });
+ * // => false
  */
 function isEmpty(value) {
-  var result = true;
-  if (!value) {
-    return result;
+  if (value == null) {
+    return true;
   }
-  var className = toString.call(value),
-      length = value.length;
-
-  if ((className == arrayClass || className == stringClass || className == argsClass ) ||
-      (className == objectClass && typeof length == 'number' && isFunction(value.splice))) {
+  var length = value.length;
+  if (isLength(length) && (isArray(value) || isString(value) || isArguments(value) ||
+      (isObjectLike(value) && isFunction(value.splice)))) {
     return !length;
   }
-  forOwn(value, function() {
-    return (result = false);
-  });
-  return result;
+  return !keys(value).length;
 }
 
 module.exports = isEmpty;

LICENSE.txt

@@ -1,3 +0,3 @@
-Copyright 2012-2013 The Dojo Foundation <http://dojofoundation.org/>
-Based on Underscore.js 1.5.2, copyright 2009-2013 Jeremy Ashkenas,
+Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
+Based on Underscore.js 1.7.0, copyright 2009-2015 Jeremy Ashkenas,
 DocumentCloud and Investigative Reporters & Editors <http://underscorejs.org/>
@@ -22,2 +22,2 @@
 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

package.json

 {
   "name": "lodash.isempty",
-  "version": "2.4.1",
-  "description": "The Lo-Dash function `_.isEmpty` as a Node.js module generated by lodash-cli.",
-  "homepage": "http://lodash.com/custom-builds",
+  "version": "3.0.0",
+  "description": "The modern build of lodash’s `_.isEmpty` as a module.",
+  "homepage": "https://lodash.com/",
+  "icon": "https://lodash.com/icon.svg",
   "license": "MIT",
-  "keywords": ["functional", "lodash", "lodash-modularized", "server", "util"],
+  "keywords": "lodash, lodash-modularized, stdlib, util",
   "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/)",
-    "Mathias Bynens <[e-mail]> (http://mathiasbynens.be/)"
+    "Mathias Bynens <[e-mail]> (https://mathiasbynens.be/)"
   ],
-  "bugs": "https://github.com/lodash/lodash-cli/issues",
-  "repository": { "type": "git", "url": "https://github.com/lodash/lodash-cli.git" },
+  "repository": "lodash/lodash",
+  "scripts": { "test": "echo \"See https://travis-ci.org/lodash/lodash-cli for testing details.\"" },
   "dependencies": {
-    "lodash.forown": "~2.4.1",
-    "lodash.isfunction": "~2.4.1"
+    "lodash.isarguments": "^3.0.0",
+    "lodash.isarray": "^3.0.0",
+    "lodash.isfunction": "^3.0.0",
+    "lodash.isstring": "^3.0.0",
+    "lodash.keys": "^3.0.0"
   }
 }

README.md

@@ -1,15 +0,20 @@
-# lodash.isempty v2.4.1
+# lodash.isempty v3.0.0
 
-The [Lo-Dash](http://lodash.com/) function [`_.isEmpty`](http://lodash.com/docs#isEmpty) as a [Node.js](http://nodejs.org/) module generated by [lodash-cli](https://npmjs.org/package/lodash-cli).
+The [modern build](https://github.com/lodash/lodash/wiki/Build-Differences) of [lodash’s](https://lodash.com/) `_.isEmpty` exported as a [Node.js](http://nodejs.org/)/[io.js](https://iojs.org/) module.
 
-## Author
+## Installation
 
-| [![twitter/jdalton](http://gravatar.com/avatar/299a3d891ff1920b69c364d061007043?s=70)](https://twitter.com/jdalton "Follow @jdalton on Twitter") |
-|---|
-| [John-David Dalton](http://allyoucanleet.com/) |
+Using npm:
 
-## Contributors
+```bash
+$ {sudo -H} npm i -g npm
+$ npm i --save lodash.isempty
+```
 
-| [![twitter/blainebublitz](http://gravatar.com/avatar/ac1c67fd906c9fecd823ce302283b4c1?s=70)](https://twitter.com/blainebublitz "Follow @BlaineBublitz on Twitter") | [![twitter/kitcambridge](http://gravatar.com/avatar/6662a1d02f351b5ef2f8b4d815804661?s=70)](https://twitter.com/kitcambridge "Follow @kitcambridge on Twitter") | [![twitter/mathias](http://gravatar.com/avatar/24e08a9ea84deb17ae121074d0f17125?s=70)](https://twitter.com/mathias "Follow @mathias on Twitter") |
-|---|---|---|
-| [Blaine Bublitz](http://www.iceddev.com/) | [Kit Cambridge](http://kitcambridge.be/) | [Mathias Bynens](http://mathiasbynens.be/) |
+In Node.js/io.js:
+
+```js
+var isEmpty = require('lodash.isempty');
+```
+
+See the [documentation](https://lodash.com/docs#isEmpty) or [package source](https://github.com/lodash/lodash/blob/3.0.0-npm-packages/lodash.isempty) for more details.

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Improved metrics

Total package byte prevSize

5257

increased by3.53%

Lines of code

78

increased by36.84%

Number of lines in readme file

21

increased by31.25%

Worsened metrics

Dependency count

5

increased by150%

Number of low supply chain risk alerts

1

increased byInfinity%

Dependency changes

• + Addedlodash.isarguments@^3.0.0

• + Addedlodash.isarray@^3.0.0

• + Addedlodash.isstring@^3.0.0

• + Addedlodash.keys@^3.0.0

• + Addedlodash._getnative@3.9.1(transitive)

• + Addedlodash.isarguments@3.1.0(transitive)

• + Addedlodash.isarray@3.0.4(transitive)

• + Addedlodash.isfunction@3.0.9(transitive)

• + Addedlodash.isstring@3.0.1(transitive)

• + Addedlodash.keys@3.1.2(transitive)

• - Removedlodash.forown@~2.4.1

• - Removedlodash._basebind@2.4.1(transitive)

• - Removedlodash._basecreate@2.4.1(transitive)

• - Removedlodash._basecreatecallback@2.4.1(transitive)

• - Removedlodash._basecreatewrapper@2.4.1(transitive)

• - Removedlodash._createwrapper@2.4.1(transitive)

• - Removedlodash._isnative@2.4.1(transitive)

• - Removedlodash._objecttypes@2.4.1(transitive)

• - Removedlodash._setbinddata@2.4.1(transitive)

• - Removedlodash._shimkeys@2.4.1(transitive)

• - Removedlodash._slice@2.4.1(transitive)

• - Removedlodash.bind@2.4.1(transitive)

• - Removedlodash.forown@2.4.1(transitive)

• - Removedlodash.identity@2.4.1(transitive)

• - Removedlodash.isfunction@2.4.1(transitive)

• - Removedlodash.isobject@2.4.1(transitive)

• - Removedlodash.keys@2.4.1(transitive)

• - Removedlodash.noop@2.4.1(transitive)

• - Removedlodash.support@2.4.1(transitive)

• Updatedlodash.isfunction@^3.0.0