lodash.isempty - npm Package Compare versions

Comparing version 3.0.4 to 4.0.0

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 4.0.0 (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 isArguments = require('lodash.isarguments'),
-    isArray = require('lodash.isarray'),
-    isFunction = require('lodash.isfunction'),
-    isString = require('lodash.isstring'),
-    keys = require('lodash.keys');
+var keys = require('lodash.keys'),
+    size = require('lodash.size');
 
-/**
- * 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';
-}
+/** `Object#toString` result references. */
+var funcTag = '[object Function]',
+    genTag = '[object GeneratorFunction]';
 
+/** Used for built-in method references. */
+var objectProto = global.Object.prototype;
+
 /**
- * Used as the [maximum length](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-number.max_safe_integer)
- * of an array-like value.
+ * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
+ * of values.
  */
-var MAX_SAFE_INTEGER = 9007199254740991;
+var objectToString = objectProto.toString;
 
 /**
- * The base implementation of `_.property` without support for deep paths.
+ * Checks if `value` is empty. A value is considered empty unless it's an
+ * `arguments` object, array, string, or jQuery-like collection with a length
+ * greater than `0` or an object with own enumerable properties.
  *
- * @private
- * @param {string} key The key of the property to get.
- * @returns {Function} Returns the new function.
+ * @static
+ * @memberOf _
+ * @category Lang
+ * @param {Array|Object|string} value The value to inspect.
+ * @returns {boolean} Returns `true` if `value` is empty, else `false`.
+ * @example
+ *
+ * _.isEmpty(null);
+ * // => true
+ *
+ * _.isEmpty(true);
+ * // => true
+ *
+ * _.isEmpty(1);
+ * // => true
+ *
+ * _.isEmpty([1, 2, 3]);
+ * // => false
+ *
+ * _.isEmpty({ 'a': 1 });
+ * // => false
  */
-function baseProperty(key) {
-  return function(object) {
-    return object == null ? undefined : object[key];
-  };
+function isEmpty(value) {
+  return (!isObjectLike(value) || isFunction(value.splice))
+    ? !size(value)
+    : !keys(value).length;
 }
 
 /**
- * Gets the "length" property value of `object`.
+ * Checks if `value` is classified as a `Function` object.
  *
- * **Note:** This function is used to avoid a [JIT bug](https://bugs.webkit.org/show_bug.cgi?id=142792)
- * that affects Safari on at least iOS 8.1-8.3 ARM64.
+ * @static
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
+ * @example
  *
- * @private
- * @param {Object} object The object to query.
- * @returns {*} Returns the "length" value.
- */
-var getLength = baseProperty('length');
-
-/**
- * Checks if `value` is array-like.
+ * _.isFunction(_);
+ * // => true
  *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
+ * _.isFunction(/abc/);
+ * // => false
  */
-function isArrayLike(value) {
-  return value != null && isLength(getLength(value));
+function isFunction(value) {
+  // The use of `Object#toString` avoids issues with the `typeof` operator
+  // in Safari 8 which returns 'object' for typed array constructors, and
+  // PhantomJS 1.9 which returns 'function' for `NodeList` instances.
+  var tag = isObject(value) ? objectToString.call(value) : '';
+  return tag == funcTag || tag == genTag;
 }
 
 /**
- * Checks if `value` is a valid array-like length.
+ * Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.
+ * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
  *
- * **Note:** This function is based on [`ToLength`](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength).
+ * @static
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an object, else `false`.
+ * @example
  *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
+ * _.isObject({});
+ * // => true
+ *
+ * _.isObject([1, 2, 3]);
+ * // => true
+ *
+ * _.isObject(_.noop);
+ * // => true
+ *
+ * _.isObject(null);
+ * // => false
  */
-function isLength(value) {
-  return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
+function isObject(value) {
+  // Avoid a V8 JIT bug in Chrome 19-20.
+  // See https://code.google.com/p/v8/issues/detail?id=2291 for more details.
+  var type = typeof value;
+  return !!value && (type == 'object' || type == 'function');
 }
 
 /**
- * Checks if `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.
+ * Checks if `value` is object-like. A value is object-like if it's not `null`
+ * and has a `typeof` result of "object".
  *
@@ -89,32 +119,22 @@ * @static
  * @category Lang
- * @param {Array|Object|string} value The value to inspect.
- * @returns {boolean} Returns `true` if `value` is empty, else `false`.
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
  * @example
  *
- * _.isEmpty(null);
+ * _.isObjectLike({});
  * // => true
  *
- * _.isEmpty(true);
+ * _.isObjectLike([1, 2, 3]);
  * // => true
  *
- * _.isEmpty(1);
- * // => true
- *
- * _.isEmpty([1, 2, 3]);
+ * _.isObjectLike(_.noop);
  * // => false
  *
- * _.isEmpty({ 'a': 1 });
+ * _.isObjectLike(null);
  * // => false
  */
-function isEmpty(value) {
-  if (value == null) {
-    return true;
-  }
-  if (isArrayLike(value) && (isArray(value) || isString(value) || isArguments(value) ||
-      (isObjectLike(value) && isFunction(value.splice)))) {
-    return !value.length;
-  }
-  return !keys(value).length;
+function isObjectLike(value) {
+  return !!value && typeof value == 'object';
 }
 
 module.exports = isEmpty;

package.json

 {
   "name": "lodash.isempty",
-  "version": "3.0.4",
-  "description": "The modern build of lodash’s `_.isEmpty` as a module.",
+  "version": "4.0.0",
+  "description": "The lodash method `_.isEmpty` 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, isempty",
   "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/)"
@@ -20,8 +18,5 @@ ],
   "dependencies": {
-    "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"
+    "lodash.keys": "^4.0.0",
+    "lodash.size": "^4.0.0"
   }
 }

README.md

@@ -1,4 +0,4 @@
-# lodash.isempty v3.0.4
+# lodash.isempty v4.0.0
 
-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.
+The [lodash](https://lodash.com/) method `_.isEmpty` 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 isEmpty = require('lodash.isempty');
 
-See the [documentation](https://lodash.com/docs#isEmpty) or [package source](https://github.com/lodash/lodash/blob/3.0.4-npm-packages/lodash.isempty) for more details.
+See the [documentation](https://lodash.com/docs#isEmpty) or [package source](https://github.com/lodash/lodash/blob/4.0.0-npm-packages/lodash.isempty) for more details.

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Found 1 instance in 1 package

Fixed alerts

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Improved metrics

Dependency count

2

decreased by-60%

Lines of code

131

increased by18.02%

Worsened metrics

Total package byte prevSize

6169

decreased by-1.58%

Number of lines in readme file

19

decreased by-9.52%

Dependency changes

• + Addedlodash.size@^4.0.0

• + Addedlodash.keys@4.2.0(transitive)

• + Addedlodash.size@4.2.0(transitive)

• - Removedlodash.isarguments@^3.0.0

• - Removedlodash.isarray@^3.0.0

• - Removedlodash.isfunction@^3.0.0

• - Removedlodash.isstring@^3.0.0

• - Removedlodash._getnative@3.9.1(transitive)

• - Removedlodash.isarguments@3.1.0(transitive)

• - Removedlodash.isarray@3.0.4(transitive)

• - Removedlodash.isfunction@3.0.9(transitive)

• - Removedlodash.isstring@3.0.1(transitive)

• - Removedlodash.keys@3.1.2(transitive)

• Updatedlodash.keys@^4.0.0