Interpolate attributes and add test. (#27)

Author: back2dos

src/lib/react/ReactMacro.hx

@@ -517,7 +517,7 @@ class ReactMacro
 						case Regular(name, value):
 							neededAttrs.remove(name.value);
 							var expr = value.getString()
-								.map(function (s) return macro $v{replaceEntities(s, value.pos)})
+								.map(function (s) return haxe.macro.MacroStringTools.formatString(replaceEntities(s, value.pos), value.pos))
 								.orUse(value);
 
 							switch (name.value)

test/src/ReactMacroTest.hx

@@ -116,6 +116,15 @@ class ReactMacroTest
 		// TODO: further check; should fail at compile time atm
 	}
 
+@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
+	}
+
 	@Test
 	public function fragments()
 	{