add type definitions for reselect

reselect/reselect-tests.ts

@@ -0,0 +1,42 @@
+/// <reference path="reselect.d.ts" />
+import {createSelector, defaultMemoize} from "reselect";
+
+type Item1 = {
+   prop1: number;
+}
+
+type Item2 = {
+   prop2: number;
+}
+
+type State = {
+   item1: Item1,
+   item2: Item2
+}
+
+function getItem1(state: State, props: any): Item1 {
+   return state.item1;
+}
+
+function getItem2(state: State, props: any): Item2 {
+   return state.item2;
+}
+
+const selector = createSelector(
+   getItem1,
+   getItem2,
+   (item1: Item1, item2: Item2) => {
+      return item1.prop1 + item2.prop2;
+   }
+);
+
+const state = {
+   item1: { prop1: 10 },
+   item2: { prop2: 20 }
+}
+
+const props = { multiplier: 10 };
+const total: number = selector(state, props);
+
+const getItem2Memoized = defaultMemoize(getItem2);
+const memItem: Item2 = getItem2Memoized(state, {});