rsdi - npm Package Compare versions

Comparing version 0.0.8 to 0.0.9

definitions/FactoryDefinition.d.ts

@@ -6,4 +6,11 @@ import BaseDefinition from "../definitions/BaseDefinition";
     private readonly factory;
+    private isSingleton;
+    private value;
     constructor(factory: Factory);
+    /**
+     * Makes factory to resolve dependency only once,
+     * then resolved value will be returned
+     */
+    singleton(): this;
     resolve: <T>(container: IDIContainer) => T;
 }

definitions/FactoryDefinition.js

@@ -24,4 +24,12 @@ "use strict";
         var _this = _super.call(this) || this;
+        _this.isSingleton = false;
         _this.resolve = function (container) {
-            return _this.factory(container);
+            if (!_this.isSingleton) {
+                return _this.factory(container);
+            }
+            if (_this.value !== undefined) {
+                return _this.value;
+            }
+            _this.value = _this.factory(container);
+            return _this.value;
         };
@@ -31,2 +39,10 @@ _this.factory = factory;
     }
+    /**
+     * Makes factory to resolve dependency only once,
+     * then resolved value will be returned
+     */
+    FactoryDefinition.prototype.singleton = function () {
+        this.isSingleton = true;
+        return this;
+    };
     return FactoryDefinition;
@@ -33,0 +49,0 @@ }(BaseDefinition_1.default));

package.json

 {
   "name": "rsdi",
-  "version": "0.0.8",
+  "version": "0.0.9",
   "description": "dependency injection container",
@@ -5,0 +5,0 @@ "scripts": {

README.md

@@ -10,8 +10,9 @@ # RSDI - Dependency Injection Container
 const config = {
-    "ENV": value("PRODUCTION"),             // define raw value
-    "Storage": object(CookieStorage),       // constructor without arguments    
+    "ENV": value("PRODUCTION"),               // define raw value
     "AuthStorage": object(AuthStorage).construct(
-       get("Storage")                       // refer to dependency described above       
+       get("Storage")                         // refer to another dependency       
     ),
-    "BrowserHistory": factory(configureHistory),   
+    "Storage": object(CookieStorage),         // constructor without arguments    
+    "dateFormatter": factory(dateFormatter),  // factory   
+    "BrowserHistory": factory(configureHistory).singleton(), // factory singleton  
 };
@@ -21,8 +22,7 @@ const container = new DIContainer();
 
-const env = container.get<string>("ENV"); // PRODUCTION
-const authStorage = container.get<AuthStorage>("AuthStorage");  // object of AuthStorage
-const history = container.get<History>("BrowserHistory");  // object of History
-
-
-function configureHistory(container: IDIContainer): History {     
+function dateFormatter(date: Date) {
+  return moment(date).format("ddd, DD MMM YYYY");
+}
+function configureHistory(container: IDIContainer): History {
+    // this factory will be called only once
     const history = createBrowserHistory();
@@ -36,2 +36,10 @@ const env = container.get("ENV");
 
+// in your code
+
+const env = container.get<string>("ENV"); // PRODUCTION
+const authStorage = container.get<AuthStorage>("AuthStorage");  // object of AuthStorage
+const history = container.get<History>("BrowserHistory");  // History singleton will be returned
+
+
+
 ```
@@ -53,2 +61,4 @@
 ```
-Why component Foo should know that it's injectable? 
+Why component Foo should know that it's injectable?
+
+More details thoughts in my [blog article](https://medium.com/@radzserg/https-medium-com-radzserg-dependency-injection-in-react-part-1-c1decd9c2e7a) 

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Major refactor

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Improved metrics

Total package byte prevSize

23739

increased by6.39%

Lines of code

379

increased by6.46%

Number of lines in readme file

61

increased by19.61%

Number of medium supply chain risk alerts

0

decreased by-100%

No dependency changes