hoek - npm Package Compare versions

Comparing version 0.0.11 to 0.0.12

lib/hoek.js

@@ -132,20 +132,41 @@ // Load modules
 
-    if (array) {
-        var obj = {};
-        for (var i = 0, il = array.length; i < il; ++i) {
-            if (key) {
-                if (array[i][key]) {
-                    obj[array[i][key]] = true;
-                }
+    if (!array) {
+        return null;
+    }
+
+    var obj = {};
+    for (var i = 0, il = array.length; i < il; ++i) {
+        if (key) {
+            if (array[i][key]) {
+                obj[array[i][key]] = true;
             }
-            else {
-                obj[array[i]] = true;
-            }
         }
+        else {
+            obj[array[i]] = true;
+        }
+    }
 
-        return obj;
+    return obj;
+};
+
+
+// Find the common unique items in two arrays
+
+exports.intersect = function (array1, array2) {
+
+    if (!array1 || !array2) {
+        return [];
     }
-    else {
-        return null;
+
+    var common = [];
+    var hash = exports.mapToObject(array1);
+    var found = {};
+    for (var i = 0, il = array2.length; i < il; ++i) {
+        if (hash[array2[i]] && !found[array2[i]]) {
+            common.push(array2[i]);
+            found[array2[i]] = true;
+        }
     }
+
+    return common;
 };
@@ -152,0 +173,0 @@

package.json

 {
   "name": "hoek",
   "description": "General purpose node utilities",
-  "version": "0.0.11",
+  "version": "0.0.12",
   "author": "Eran Hammer <[e-mail]> (http://hueniverse.com)",
@@ -6,0 +6,0 @@ "contributors":[

test/utils.js

@@ -80,2 +80,14 @@ var assert = require('assert');
 
+    describe('#intersect', function () {
+
+        it('should return the common objects of two arrays', function (done) {
+
+            var array1 = [1, 2, 3, 4, 4, 5, 5];
+            var array2 = [5, 4, 5, 6, 7];
+            var common = Hoek.intersect(array1, array2);
+            common.length.should.equal(2);
+            done();
+        });
+    });
+
     describe('#removeKeys', function () {
@@ -82,0 +94,0 @@

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Improved metrics

Total package byte prevSize

16795

increased by4.88%

Lines of code

373

increased by6.57%

No dependency changes