diff --git a/lestate/lestate-tests.ts b/lestate/lestate-tests.ts
new file mode 100644
index 000000000..9a007c68d
--- /dev/null
+++ b/lestate/lestate-tests.ts
@@ -0,0 +1,20 @@
+/// <reference path="./lestate.d.ts"/>
+
+let State = LeState.createState()
+
+State.set({
+    test : {}
+})
+
+let currentState = State.get()
+
+State.insert({
+    test : {}
+})
+
+let currentDescription = State.getDescription()
+
+State.createListener({
+    id       : 0,
+    selector : state => ({ test : state.test })
+})
diff --git a/lestate/lestate.d.ts b/lestate/lestate.d.ts
new file mode 100644
index 000000000..d36a137eb
--- /dev/null
+++ b/lestate/lestate.d.ts
@@ -0,0 +1,27 @@
+// Type definitions for LeState v0.1.3
+// Project: https://github.com/LeTools/LeState
+// Definitions by: Hadrian Oliveira <https://github.com/thelambdaparty/>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare let LeState : {
+    createState: (props?: {
+        initialState: {};
+    }) => {
+        set(newValue: {}): [{
+            id: number;
+            state: {};
+        }];
+        get(): any;
+        insert(newValue: {}): void;
+        getDescription(): {};
+        createListener({ id, selector, force }: {
+            id: number;
+            selector: (state :any) => {};
+            force?: boolean;
+        }): void;
+    };
+};
+
+declare module "lestate" {
+    export default LeState;
+}