Added typescript definition file

index.d.ts

@@ -0,0 +1,26 @@
+// Type definitions for redux-injector
+// Project: https://github.com/randallknutson/redux-injector
+// Definitions by: Taylor Mitchell-St Joseph <http://taylormitchellstjoseph.co.uk>
+
+import * as Redux from 'redux';
+
+declare module 'redux-injector' {
+
+  interface createInjectStoreFn {
+    <S>(reducer: any, enhancer?: Redux.StoreEnhancer<S>): Redux.Store<S>;
+    <S>(reducer: any, preloadedState: S, enhancer?: Redux.StoreEnhancer<S>): Redux.Store<S>;
+  }
+
+  interface injectReducerFn {
+    (key: string, reducers: any, force?: boolean): void;
+  }
+
+  interface rejectReducerFn {
+    (key: string): void;
+  }
+
+	const createInjectStore: createInjectStoreFn;
+  const injectReducer: injectReducerFn;
+  const rejectReducer: rejectReducerFn;
+
+}

package.json

@@ -3,6 +3,9 @@
   "version": "0.1.0",
   "description": "Allows dynamically injecting reducers into a redux store at runtime.",
   "main": "lib/ReduxInjector.js",
+  "typescript": {
+    "definition": "index.d.ts"
+  },
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
     "build": "babel ./src --ignore=*.spec.js --out-dir ./lib --presets es2015,react,stage-2",

src/ReduxInjector.js

@@ -1,5 +1,5 @@
 import { createStore, combineReducers } from 'redux';
-import { set, has } from 'lodash';
+import { set, has, unset } from 'lodash';
 
 let store = {};
 let combine = combineReducers;
@@ -53,3 +53,11 @@ export function injectReducer(key, reducer, force = false) {
   set(store.injectedReducers, key, reducer);
   store.replaceReducer(combineReducersRecurse(store.injectedReducers));
 }
+
+export function rejectReducer(key) {
+  // If key doesn't exist, do nothing
+  if (!has(store.injectedReducers, key)) return;
+
+  unset(store.injectedReducers, key);
+  store.replaceReducer(combineReducersRecurse(store.injectedReducers));
+}