WIP: reducer typescript

types/redux-immutable/index.d.ts

@@ -0,0 +1,17 @@
+// Type definitions for redux-immutable v4.0.0
+// Project: https://github.com/gajus/redux-immutable
+// Definitions by: Sebastian Sebald <https://github.com/sebald>
+//                 Gavin Gregory <https://github.com/gavingregory>
+//                 Kanitkorn Sujautra <https://github.com/lukyth>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.3
+
+declare module 'redux-immutable' {
+  import { ReducersMapObject, Reducer, Action } from 'redux';
+  import { Collection, Record as ImmutableRecord } from 'immutable';
+
+  export function combineReducers<S, A extends Action, T>(reducers: ReducersMapObject<S, A>, getDefaultState?: () => Collection.Keyed<T, S>): Reducer<S, A>;
+  export function combineReducers<S, A extends Action>(reducers: ReducersMapObject<S, A>, getDefaultState?: () => Collection.Indexed<S>): Reducer<S, A>;
+  export function combineReducers<S>(reducers: ReducersMapObject<S, any>, getDefaultState?: () => Collection.Indexed<S>): Reducer<S>;
+  export function combineReducers<S>(reducers: ReducersMapObject<S, any>, getDefaultState?: () => ImmutableRecord<any>): Reducer<S>;
+}