arr-diff - npm Package Compare versions

Comparing version 0.2.1 to 0.2.2

bower.json

 {
   "name": "arr-diff",
-  "version": "0.1.0",
+  "version": "0.2.2",
   "main": [
     "index.js"
+  ],
+  "authors": [
+    {
+      "name": "Jon Schlinkert",
+      "homepage": "https://github.com/jonschlinkert"
+    }
   ]
 }

index.js

@@ -34,15 +34,9 @@ /*!
 function diff(a, b) {
-  var alen = a.length - 1;
-  var blen = b.length;
+  var len = a.length;
+  var arr = [];
 
-  if (alen === 0) {
-    return [];
-  }
-  if (blen === 0) {
+  if (b == null || b.length === 0) {
     return a;
   }
 
-  var len = a.length;
-  var arr = [];
-
   while (len--) {
@@ -54,2 +48,2 @@ if (b.indexOf(a[len]) === -1) {
   return arr;
-}
+}

package.json

 {
   "name": "arr-diff",
-  "description": "Return an array with only the unique values present in all given arrays using strict equality for comparisons.",
-  "version": "0.2.1",
+  "description": "Returns an array with only the unique values from the first array, by excluding all values from the second array. Uses strict equality for comparisons.",
+  "version": "0.2.2",
   "homepage": "https://github.com/jonschlinkert/arr-diff",
@@ -6,0 +6,0 @@ "author": {

README.md

 # arr-diff [![NPM version](https://badge.fury.io/js/arr-diff.svg)](http://badge.fury.io/js/arr-diff)  [![Build Status](https://travis-ci.org/jonschlinkert/arr-diff.svg)](https://travis-ci.org/jonschlinkert/arr-diff) 
 
-> Return an array with only the unique values present in all given arrays using strict equality for comparisons.
+> Returns an array with only the unique values from the first array, by excluding all values from the second array. Uses strict equality for comparisons.
 
@@ -85,2 +85,2 @@ Why another array `difference` lib? I wanted the [fastest, correct implementation](./benchmark) I could find.
 
-_This file was generated by [verb](https://github.com/assemble/verb) on December 01, 2014._
+_This file was generated by [verb](https://github.com/assemble/verb) on December 02, 2014._

test.js

@@ -16,10 +16,19 @@ /*!
     diff(['a', 'b', 'c'], ['b', 'c', 'e']).should.eql(['a']);
-    diff(['foo', 'b', 'c', 'e', 'bar'], ['b', 'foo', 'e']).should.eql(['bar', 'c']);
-    diff(['foo', 'foo'], ['a', 'b', 'c']).should.eql(['foo', 'foo']);
-    diff(['foo'], ['a', 'b', 'c']).should.eql([]);
+    diff(['x', 'b', 'c', 'e', 'y'], ['b', 'x', 'e']).should.eql(['y', 'c']);
+    diff(['x', 'x'], ['a', 'b', 'c']).should.eql(['x', 'x']);
+    diff(['x'], ['a', 'b', 'c']).should.eql(['x']);
   });
 
   it('should return an empty array if no unique elements are in the first array:', function () {
-    diff(['foo'], ['a', 'b', 'c', 'foo']).should.eql([]);
+    diff(['a'], ['a', 'b', 'c']).should.eql([]);
   });
+
+  it('should return the first array if the second array is empty:', function () {
+    diff(['a', 'b', 'c'], []).should.eql(['a', 'b', 'c']);
+  });
+
+  it('should return the first array if the second array is null or undefined:', function () {
+    diff(['a', 'b', 'c'], null).should.eql(['a', 'b', 'c']);
+    diff(['a', 'b', 'c']).should.eql(['a', 'b', 'c']);
+  });
 });

No alert changes

Improved metrics

Total package byte prevSize

11376

increased by4.27%

Lines of code

189

increased by3.85%

No dependency changes