fix: don't break on missing onChange

eskimoblood · eskimoblood · commit 782ec39613f9 · 2019-12-31T17:31:56.000+01:00
diff --git a/src/Knob.js b/src/Knob.js
@@ -20,7 +20,7 @@ export const Knob = ({
     angleOffset = 0,
     angleRange = 360,
     size,
-    onChange,
+    onChange = () => {},
     children,
     steps,
     snap = false,
