Merge pull request #9 from whitetrefoil/whitetrefoil-patch-1

Set `eventPath` to optional

Author: developit

src/index.d.ts

@@ -1 +1 @@
-export default function linkState(component: any, key: string, eventPath: string): (e) => void;
+export default function linkState(component: any, key: string, eventPath?: string): (e) => void;