Fix attributes interpolation

Author: kLabz

src/lib/react/ReactMacro.hx

@@ -524,7 +524,7 @@ class ReactMacro
 							{
 								case 'key': key = expr;
 								case 'ref' if (n.name.value != 'react.Fragment'): ref = expr;
-								default: add(name, value);
+								default: add(name, expr);
 							}
 					}
 				}

test/src/ReactMacroTest.hx

@@ -116,13 +116,15 @@ class ReactMacroTest
 		// TODO: further check; should fail at compile time atm
 	}
 
-@Test
+	@Test
 	public function interpolate_attributes()
 	{
 		var answer = "42";
 		var e = jsx('<input name="question" value="the answer is $42" />');
 		Assert.areEqual(e.props.value, 'the answer is $42');
-		// TODO: further check; should fail at compile time atm
+
+		var e = jsx('<input name="question" value="the answer is ${answer}" />');
+		Assert.areEqual(e.props.value, 'the answer is 42');
 	}
 
 	@Test