index.js => ts

src/index.ts

@@ -3,6 +3,8 @@ import u from 'updeep';
 
 import Updux from './updux';
 
-export default function updux(config) {
+import { UpduxConfig } from './types';
+
+export default function updux(config: UpduxConfig) {
   return new Updux(config);
 }

src/types.ts

@@ -8,3 +8,6 @@ export type UpduxAction = Action & Partial<{
 export type Dictionary<T> = { [key: string]: T };
 
 export type Mutation<S> = (payload: any, action: Action) => (state: S) => S ;
+
+export type UpduxConfig = Partial<{
+}>;