fix initialize without new

package.js

@@ -1,6 +1,6 @@
 Package.describe({
 	name: 'simply:strict-reactive-var',
-	version: '1.0.3',
+	version: '1.0.4',
 	summary: 'Thin strictly type checking wrapper around reactive-var.',
 	git: 'https://github.com/simplyGits/strict-reactive-var',
 	documentation: 'README.md',

strict-reactive-var-tests.js

@@ -1,6 +1,12 @@
 Tinytest.add('be able to initialized with and without `new`', function (test) {
-	test.instanceOf(new SReactiveVar(null), SReactiveVar);
-	test.instanceOf(SReactiveVar(null), SReactiveVar);
+	var a = new SReactiveVar(null)
+	var b = SReactiveVar(null)
+
+	test.instanceOf(a, SReactiveVar)
+	test.instanceOf(b, SReactiveVar)
+
+	test.equal(a.get(), b.get())
+	test.equal(a._pattern, b._pattern)
 })
 
 Tinytest.add('set and retrieve values', function (test) {
@@ -10,21 +16,6 @@ Tinytest.add('set and retrieve values', function (test) {
 	test.equal(val.get(), 420)
 })
 
-Tinytest.add('set values and be reactive', function (test) {
-	var val = new SReactiveVar(Number, 0)
-
-	Tracker.autorun(Meteor.bindEnvironment(function (c) {
-		var value = val.get()
-		if (c.firstRun) {
-			test.equal(value, 0)
-		} else {
-			test.equal(value, 1)
-		}
-	}))
-
-	val.set(1)
-})
-
 Tinytest.add('check types', function (test) {
 	var val = new SReactiveVar(Number, 0)
 	test.equal(val.get(), 0)

strict-reactive-var.js

@@ -8,7 +8,11 @@ SReactiveVar = function (pattern /*, args */) {
 	var args = [].slice.call(arguments, 1)
 
 	if (!(this instanceof SReactiveVar)) {
-		return new SReactiveVar(arguments)
+		var x = function (args) {
+			return SReactiveVar.apply(this, args)
+		}
+		x.prototype = SReactiveVar.prototype
+		return new x(arguments)
 	}
 	if (pattern === undefined) {
 		throw new ReferenceError('`pattern` is required')