configurator.js

(function (factory) {

	if (typeof define === 'function' &&  define.amd) {
		define('ketamine/configurator', [], factory.bind(this, this));
	} else {
		factory(this);
	}

})(function (global) {

	var Configurator = function (injector) {

		this.injector = injector;
	};

	Configurator.prototype.configureForModule = function (moduleId) {

		var injector = this.injector;

		if (!injector.moduleIsRegistered(moduleId)) {
			injector.register(moduleId);
		}

		var moduleConfiguration = injector.getConfiguration(moduleId);

		var getRequiresPrototype = function (dependencyId) {

			var requiresPrototype = {

				asInstance: function (instantiate) {

					if (typeof instantiate === 'undefined') {
						instantiate = true;
					}

					injector.setInstantiationForDependency(moduleId, dependencyId, instantiate)

					return {
						requires: configurationPrototype.requires,
						isNativeModule: configurationPrototype.isNativeModule,
						asInstance: requiresPrototype.asInstance,
						asImplementationOf: requiresPrototype.asImplementationOf
					};
				},
				asImplementationOf: function (interfaces) {

					if (!interfaces) {
						throw new Error('Please specify an array of interfaces');
					}

					injector.setInterfacesForDependency(moduleId, dependencyId, interfaces)

					return {
						requires: configurationPrototype.requires,
						isNativeModule: configurationPrototype.isNativeModule,
						asInstance: requiresPrototype.asInstance,
						asImplementationOf: requiresPrototype.asImplementationOf							
					};
				},
				requires: configurationPrototype.requires
			};

			return requiresPrototype;
		};

		var configurationPrototype = {

			requires: function (dependencyId) {

				injector.addDependency(moduleId, dependencyId);

				return getRequiresPrototype(dependencyId);
			},

			isNativeModule: function () {

				injector.setNativeNodeModuleFlag(moduleId, true);

				return configurationPrototype;
			}
		};		

		return configurationPrototype;
	};

	if (typeof module !== 'undefined') {
		module.exports = Configurator;
	}

	return Configurator;

});