lodash.uniq - 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 baseUniq = require('lodash._baseuniq'),
-    createCallback = require('lodash.createcallback');
+var baseCallback = require('lodash._basecallback'),
+    baseUniq = require('lodash._baseuniq'),
+    isIterateeCall = require('lodash._isiterateecall');
 
 /**
- * Creates a duplicate-value-free version of an array using strict equality
- * for comparisons, i.e. `===`. If the array is sorted, providing
- * `true` for `isSorted` will use a faster algorithm. If a callback is provided
- * each element of `array` is passed through the callback before uniqueness
- * is computed. The callback is bound to `thisArg` and invoked with three
- * arguments; (value, index, array).
+ * An implementation of `_.uniq` optimized for sorted arrays without support
+ * for callback shorthands and `this` binding.
  *
- * If a property name is provided for `callback` the created "_.pluck" style
- * callback will return the property value of the given element.
+ * @private
+ * @param {Array} array The array to inspect.
+ * @param {Function} [iteratee] The function invoked per iteration.
+ * @returns {Array} Returns the new duplicate-value-free array.
+ */
+function sortedUniq(array, iteratee) {
+  var seen,
+      index = -1,
+      length = array.length,
+      resIndex = -1,
+      result = [];
+
+  while (++index < length) {
+    var value = array[index],
+        computed = iteratee ? iteratee(value, index, array) : value;
+
+    if (!index || seen !== computed) {
+      seen = computed;
+      result[++resIndex] = value;
+    }
+  }
+  return result;
+}
+
+/**
+ * Creates a duplicate-value-free version of an array using `SameValueZero`
+ * for equality comparisons. Providing `true` for `isSorted` performs a faster
+ * search algorithm for sorted arrays. If an iteratee function is provided it
+ * is invoked for each value in the array to generate the criterion by which
+ * uniqueness is computed. The `iteratee` is bound to `thisArg` and invoked
+ * with three arguments; (value, index, array).
  *
- * If an object is provided for `callback` the created "_.where" style callback
- * will return `true` for elements that have the properties of the given object,
- * else `false`.
+ * If a property name is provided for `predicate` the created "_.property"
+ * style callback returns the property value of the given element.
  *
+ * If an object is provided for `predicate` the created "_.matches" style
+ * callback returns `true` for elements that have the properties of the given
+ * object, else `false`.
+ *
+ * **Note:** `SameValueZero` comparisons are like strict equality comparisons,
+ * e.g. `===`, except that `NaN` matches `NaN`. See the
+ * [ES spec](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-samevaluezero)
+ * for more details.
+ *
  * @static
  * @memberOf _
  * @alias unique
- * @category Arrays
- * @param {Array} array The array to process.
- * @param {boolean} [isSorted=false] A flag to indicate that `array` is sorted.
- * @param {Function|Object|string} [callback=identity] The function called
- *  per iteration. If a property name or object is provided it will be used
- *  to create a "_.pluck" or "_.where" style callback, respectively.
- * @param {*} [thisArg] The `this` binding of `callback`.
- * @returns {Array} Returns a duplicate-value-free array.
+ * @category Array
+ * @param {Array} array The array to inspect.
+ * @param {boolean} [isSorted] Specify the array is sorted.
+ * @param {Function|Object|string} [iteratee] The function invoked per iteration.
+ *  If a property name or object is provided it is used to create a "_.property"
+ *  or "_.matches" style callback respectively.
+ * @param {*} [thisArg] The `this` binding of `iteratee`.
+ * @returns {Array} Returns the new duplicate-value-free array.
  * @example
  *
- * _.uniq([1, 2, 1, 3, 1]);
- * // => [1, 2, 3]
+ * _.uniq([1, 2, 1]);
+ * // => [1, 2]
  *
- * _.uniq([1, 1, 2, 2, 3], true);
- * // => [1, 2, 3]
+ * // using `isSorted`
+ * _.uniq([1, 1, 2], true);
+ * // => [1, 2]
  *
- * _.uniq(['A', 'b', 'C', 'a', 'B', 'c'], function(letter) { return letter.toLowerCase(); });
- * // => ['A', 'b', 'C']
+ * // using an iteratee function
+ * _.uniq([1, 2.5, 1.5, 2], function(n) { return this.floor(n); }, Math);
+ * // => [1, 2.5]
  *
- * _.uniq([1, 2.5, 3, 1.5, 2, 3.5], function(num) { return this.floor(num); }, Math);
- * // => [1, 2.5, 3]
- *
- * // using "_.pluck" callback shorthand
+ * // using the "_.property" callback shorthand
  * _.uniq([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');
  * // => [{ 'x': 1 }, { 'x': 2 }]
  */
-function uniq(array, isSorted, callback, thisArg) {
-  // juggle arguments
+function uniq(array, isSorted, iteratee, thisArg) {
+  var length = array ? array.length : 0;
+  if (!length) {
+    return [];
+  }
+  // Juggle arguments.
   if (typeof isSorted != 'boolean' && isSorted != null) {
-    thisArg = callback;
-    callback = (typeof isSorted != 'function' && thisArg && thisArg[isSorted] === array) ? null : isSorted;
+    thisArg = iteratee;
+    iteratee = isIterateeCall(array, isSorted, thisArg) ? null : isSorted;
     isSorted = false;
   }
-  if (callback != null) {
-    callback = createCallback(callback, thisArg, 3);
-  }
-  return baseUniq(array, isSorted, callback);
+  iteratee = iteratee == null ? iteratee : baseCallback(iteratee, thisArg, 3);
+  return (isSorted)
+    ? sortedUniq(array, iteratee)
+    : baseUniq(array, iteratee);
 }
 
 module.exports = uniq;

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.uniq",
-  "version": "2.4.1",
-  "description": "The Lo-Dash function `_.uniq` 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 `_.uniq` 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._baseuniq": "~2.4.1",
-    "lodash.createcallback": "~2.4.1"
+    "lodash._basecallback": "^3.0.0",
+    "lodash._baseuniq": "^3.0.0",
+    "lodash._isiterateecall": "^3.0.0"
   }
 }

README.md

@@ -1,15 +0,20 @@
-# lodash.uniq v2.4.1
+# lodash.uniq v3.0.0
 
-The [Lo-Dash](http://lodash.com/) function [`_.uniq`](http://lodash.com/docs#uniq) 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/) `_.uniq` 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.uniq
+```
 
-| [![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 uniq = require('lodash.uniq');
+```
+
+See the [documentation](https://lodash.com/docs#uniq) or [package source](https://github.com/lodash/lodash/blob/3.0.0-npm-packages/lodash.uniq) for more details.

Fixed alerts

No tests

Quality

Package does not have any tests. This is a strong signal of a poorly maintained or low quality package.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

6521

increased by9.43%

Lines of code

101

increased by50.75%

Number of low quality alerts

0

decreased by-100%

Number of lines in readme file

21

increased by31.25%

Worsened metrics

Dependency count

3

increased by50%

Dependency changes

• + Addedlodash._basecallback@^3.0.0

• + Addedlodash._isiterateecall@^3.0.0

• + Addedlodash._basecallback@3.3.1(transitive)

• + Addedlodash._baseindexof@3.1.0(transitive)

• + Addedlodash._baseisequal@3.0.7(transitive)

• + Addedlodash._baseuniq@3.0.3(transitive)

• + Addedlodash._bindcallback@3.0.1(transitive)

• + Addedlodash._cacheindexof@3.0.2(transitive)

• + Addedlodash._createcache@3.1.2(transitive)

• + Addedlodash._getnative@3.9.1(transitive)

• + Addedlodash._isiterateecall@3.0.9(transitive)

• + Addedlodash.isarguments@3.1.0(transitive)

• + Addedlodash.isarray@3.0.4(transitive)

• + Addedlodash.istypedarray@3.0.6(transitive)

• + Addedlodash.keys@3.1.2(transitive)

• + Addedlodash.pairs@3.0.1(transitive)

• - Removedlodash.createcallback@~2.4.1

• - Removedlodash._arraypool@2.4.1(transitive)

• - 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._baseindexof@2.4.1(transitive)

• - Removedlodash._baseisequal@2.4.1(transitive)

• - Removedlodash._baseuniq@2.4.1(transitive)

• - Removedlodash._cacheindexof@2.4.1(transitive)

• - Removedlodash._cachepush@2.4.1(transitive)

• - Removedlodash._createcache@2.4.1(transitive)

• - Removedlodash._createwrapper@2.4.1(transitive)

• - Removedlodash._getarray@2.4.1(transitive)

• - Removedlodash._getobject@2.4.1(transitive)

• - Removedlodash._isnative@2.4.1(transitive)

• - Removedlodash._keyprefix@2.4.2(transitive)

• - Removedlodash._largearraysize@2.4.1(transitive)

• - Removedlodash._maxpoolsize@2.4.1(transitive)

• - Removedlodash._objectpool@2.4.1(transitive)

• - Removedlodash._objecttypes@2.4.1(transitive)

• - Removedlodash._releasearray@2.4.1(transitive)

• - Removedlodash._releaseobject@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.createcallback@2.4.4(transitive)

• - Removedlodash.forin@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.property@2.4.1(transitive)

• - Removedlodash.support@2.4.1(transitive)

• Updatedlodash._baseuniq@^3.0.0