Call getDefaultProps on the class so statics can be read (#421)

Author: joeyrobert

src/index.js

@@ -424,7 +424,7 @@ function createClass(obj) {
 		cl.defaultProps = obj.defaultProps;
 	}
 	if (obj.getDefaultProps) {
-		cl.defaultProps = obj.getDefaultProps();
+		cl.defaultProps = obj.getDefaultProps.call(cl);
 	}
 
 	F.prototype = Component.prototype;

test/component.js

@@ -292,6 +292,25 @@ describe('components', () => {
 				});
 			});
 
+			it('should work with statics', () => {
+				const Foo = React.createClass({
+					statics: {
+						a: false
+					},
+					getDefaultProps() {
+						return { b: true, c: this.a };
+					},
+					render() {
+						return <div />;
+					}
+				});
+
+				expect(Foo.defaultProps).to.eql({
+					b: true,
+					c: false
+				});
+			});
+
 			// Disabled to save bytes
 			xit('should throw an error for duplicate keys', () => {
 				expect(() => {