pang - npm Package Compare versions

Comparing version 0.5.1 to 0.5.2

index.js

 /*--------------------------------------------------------------------------
-Pang - A simple dependency injection  lbrary for nodejs
+pang - A simple dependency injection library for nodejs
 The MIT License (MIT)
@@ -23,5 +23,5 @@ Copyright (c) 2014 Haydn Paterson (sinclair) <[e-mail]>
 (function (pang) {
-    var KernelDependency = (function () {
-        function KernelDependency(kernel, name, names, initializer, initialized, instance) {
-            this.kernel = kernel;
+    var Dependency = (function () {
+        function Dependency(domain, name, names, initializer, initialized, instance) {
+            this.domain = domain;
             this.name = name;
@@ -33,7 +33,7 @@ this.names = names;
         }
-        KernelDependency.prototype.initialize = function () {
+        Dependency.prototype.initialize = function () {
             var _this = this;
             if (!this.initialized) {
                 var dependancies = this.names.map(function (name, index, list) {
-                    var dependency = _this.kernel.get(name);
+                    var dependency = _this.domain.dependency(name);
 
@@ -54,13 +54,22 @@ if (dependency) {
         };
-        return KernelDependency;
+        return Dependency;
     })();
-    pang.KernelDependency = KernelDependency;
+    pang.Dependency = Dependency;
 
-    var Kernel = (function () {
-        function Kernel() {
+    var Domain = (function () {
+        function Domain() {
             this.dependencies = [];
         }
-        Kernel.prototype.factory = function (name, names, initializer) {
-            var dependency = new KernelDependency(this, name, names, initializer, false, null);
+        /**
+        * sets up a factory on this domain
+        */
+        Domain.prototype.factory = function (name, initializer) {
+            if (!this.isfunction(initializer)) {
+                throw Error('pang: initializer should be a function.');
+            }
 
+            var names = this.extractargs(initializer);
+
+            var dependency = new Dependency(this, name, names, initializer, false, null);
+
             this.dependencies.push(dependency);
@@ -71,5 +80,21 @@
 
-        Kernel.prototype.get = function (name) {
+        /**
+        * returns the instance associated with this name
+        */
+        Domain.prototype.get = function (name) {
             for (var i = 0; i < this.dependencies.length; i++) {
                 if (this.dependencies[i].name == name) {
+                    return this.dependencies[i].instance;
+                }
+            }
+
+            return null;
+        };
+
+        /**
+        * returns the dependency type on this domain
+        */
+        Domain.prototype.dependency = function (name) {
+            for (var i = 0; i < this.dependencies.length; i++) {
+                if (this.dependencies[i].name == name) {
                     return this.dependencies[i];
@@ -82,3 +107,6 @@ }
 
-        Kernel.prototype.start = function () {
+        /**
+        * starts the domain
+        */
+        Domain.prototype.start = function () {
             for (var i = 0; i < this.dependencies.length; i++) {
@@ -88,10 +116,35 @@ this.dependencies[i].initialize();
         };
-        return Kernel;
+
+        /**
+        * tests this object to ensure its a function
+        */
+        Domain.prototype.isfunction = function (obj) {
+            var getType = {};
+
+            return obj && getType.toString.call(obj) === '[object Function]';
+        };
+
+        /**
+        * extracts the arguments from this function
+        */
+        Domain.prototype.extractargs = function (func) {
+            var match = /\(([^)]+)/.exec(func.toString());
+
+            if (match[1]) {
+                var arguments = match[1].split(/\s*,\s*/);
+            }
+
+            return arguments;
+        };
+        return Domain;
     })();
-    pang.Kernel = Kernel;
+    pang.Domain = Domain;
 
-    function kernel() {
-        return new Kernel();
+    /**
+    * returns a new domain
+    */
+    function domain() {
+        return new Domain();
     }
-    pang.kernel = kernel;
+    pang.domain = domain;
 })(pang || (pang = {}));
@@ -98,0 +151,0 @@

package.json

 {
   "name": "pang",
-  "version": "0.5.1",
+  "version": "0.5.2",
   "description": "A simple dependency injection library for node",
@@ -5,0 +5,0 @@ "main": "index.js",

readme.md

@@ -16,5 +16,8 @@ # pang
 
-var kernel = pang.kernel()
+var domain = pang.domain()
 
-kernel.factory('configuration', [], function(){
+//---------------------------------------
+// no injection
+//---------------------------------------
+domain.factory('configuration', function(){
 	
@@ -24,14 +27,26 @@ return new Configuration()
 
-kernel.factory('repository', function(repository) {
+//---------------------------------------
+// configuration injected on repository
+//---------------------------------------
+domain.factory('repository', function(configuration) {
 
-	return new Repository(repository)
+	return new Repository(configuration)
 })
 
-kernel.factory('server', ['configuration', 'repository'], function(configuration, repository) {
-
+//--------------------------------------------------
+// configuration and repository injected on server
+//--------------------------------------------------
+domain.factory('server', function(configuration, repository) {
+	
 	return new Server(configuration, repository)
 })
 
-kernel.start()
+domain.start()
 
+//--------------------------------------------------
+// get a instance from the domain
+//--------------------------------------------------
+
+var server = domain.get('server')
+
 ```

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Improved metrics

Total package byte prevSize

7902

increased by32.85%

Lines of code

124

increased by55%

Number of lines in readme file

51

increased by41.67%

No dependency changes