sack - npm Package Compare versions

Comparing version 1.2.2 to 1.3.0

HISTORY.md

 # Change History
 
+## 1.3.0 (2014-02-22)
+
+* Can now use `registerInjects()` to have certain properties set immediately
+  after creation via any factory method on a per-class basis.
+
 ## 1.2.2 (2014-02-03)
@@ -4,0 +9,0 @@

lib/Container.js

@@ -16,2 +16,6 @@ module.exports = Container;
   this._types = {};
+
+  // Injected post-instance
+  this._injects = [];
+
   this.register('container', this);
@@ -112,2 +116,14 @@ }
 /**
+ * For a given type that comes out of a factory, assign instance properties to
+ * it everytime.
+ * @param {Function} T The class.
+ * @param {Object.<string,*>} injectMap
+ */
+Container.prototype.registerInjects = function(T, injectMap)
+{
+  var map = this._getInjectMap(T);
+  _.extend(map, injectMap);
+};
+
+/**
  * Request the object provided by the container registed under construct T.
@@ -139,3 +155,3 @@ * @param {Function} T Constructor function we want to find the factory for.
   var deps = this._resolveDeps(getArgs(T));
-  return callNew(T, deps);
+  return this._doInjects(T, callNew(T, deps));
 };
@@ -176,3 +192,3 @@
   if (entry.T) {
-    instance = callNew(entry.T, deps);
+    instance = this._doInjects(entry.T, callNew(entry.T, deps));
   } else {
@@ -202,3 +218,29 @@ instance = entry.closure.call(null, deps);
 
+Container.prototype._doInjects = function(T, instance)
+{
+  var map = this._getInjectMap(T);
+  _.extend(instance, map);
+  return instance;
+};
+
 /**
+ * Get any inject maps for instances based on class T
+ * @param {Function} T
+ * @return {Object.<String,*>}
+ */
+Container.prototype._getInjectMap = function(T)
+{
+  for (var n = 0; n < this._injects.length; n++) {
+    var entry = this._injects[n];
+    if (entry.T === T)
+      return entry.map;
+  }
+
+  // New one
+  var map = {};
+  this._injects.push({T: T, map: map });
+  return map;
+};
+
+/**
  * Resolve a list of string dependencies into real dependencies
@@ -205,0 +247,0 @@ * @param {Array.<String>} deps

package.json

 {
   "name": "sack",
-  "version": "1.2.2",
+  "version": "1.3.0",
   "description": "An Inversion-of-Control container for all your dependency injection needs.",
@@ -5,0 +5,0 @@ "keywords": [

README.md

@@ -151,2 +151,9 @@ # Sack
 
+You can also register certain properties to be set every time a depedency is
+created via any of the factory methods for a specific class.
+
+```javascript
+container.registerInjects(MyService, { securityToken: '123-123' });
+```
+
 ### Resolving Objects
@@ -153,0 +160,0 @@

No alert changes

Improved metrics

Total package byte prevSize

27358

increased by6.5%

Number of package files

12

increased by9.09%

Lines of code

400

increased by13.64%

Number of lines in readme file

235

increased by3.07%

No dependency changes