diff --git a/deep-equal/deep-equal-tests.ts b/deep-equal/deep-equal-tests.ts
new file mode 100755
index 000000000..922dcf449
--- /dev/null
+++ b/deep-equal/deep-equal-tests.ts
@@ -0,0 +1,9 @@
+/// <reference path="./deep-equal.d.ts" />
+
+import * as deepEqual from "deep-equal";
+
+let isDeepEqual1: boolean = deepEqual({}, {});
+let isDeepEqual2: boolean = deepEqual({}, {}, { strict: true });
+let isDeepEqual3: boolean = deepEqual({}, {}, { strict: false });
+
+console.log(isDeepEqual1, isDeepEqual2, isDeepEqual3);
diff --git a/deep-equal/deep-equal.d.ts b/deep-equal/deep-equal.d.ts
new file mode 100755
index 000000000..ea2fb88ad
--- /dev/null
+++ b/deep-equal/deep-equal.d.ts
@@ -0,0 +1,18 @@
+// Type definitions for deep-equal
+// Project: https://github.com/substack/node-deep-equal
+// Definitions by: remojansen <https://github.com/remojansen>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare module "deep-equal" {
+
+    interface DeepEqualOptions {
+        strict: boolean;
+    }
+
+    let deepEqual: (
+		actual: Object,
+		expected: Object,
+		opts?: DeepEqualOptions) => boolean;
+
+    export = deepEqual;
+}
\ No newline at end of file