first commit

di.js

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+/**
+ * Dependency Injection
+ * 
+ * @author Mohammad Fares <faressoft.com@gmail.com>
+ */
+
+var is = require('is_js');
+
+/**
+ * Dependencies
+ * @type {Object}
+ */
+var dependency = {};
+
+/**
+ * Get a specific dependency
+ * 
+ * @param  {String}      key
+ * @return {Object|Null} return null if not found
+ */
+module.exports.get = function(key) {
+
+  // Not found
+  if (is.not.propertyDefined(dependency, key)) {
+    return null;
+  }
+
+  return dependency[key];
+  
+};
+
+/**
+ * Set/Add a dependency
+ * 
+ * @param {String} key
+ * @param {Object} value
+ */
+module.exports.set = function(key, value) {
+
+  dependency[key] = value;
+  module.exports[key] = value;
+
+};