diff --git a/deep-assign/deep-assign-tests.ts b/deep-assign/deep-assign-tests.ts
new file mode 100644
index 0000000000..f38a1fc378
--- /dev/null
+++ b/deep-assign/deep-assign-tests.ts
@@ -0,0 +1,10 @@
+import * as deepAssign from 'deep-assign';
+
+deepAssign({a: 1});
+deepAssign({a: 1}, {b: 2});
+deepAssign({a: 1, b: {c: 2}}, {b: {e: 33}, x: 11});
+deepAssign({}, {a: 1}, {b: 2}, {c: 3});
+deepAssign({}, {a: 1}, {b: 2}, {c: 3}, {d: 4});
+deepAssign({}, {a: 1}, {b: 2}, {c: 3}, {d: 4}, {e: 5});
+deepAssign({}, {a: 1}, {b: 2}, {c: 3}, {d: 4}, {e: 5}, {f: 6});
+deepAssign({}, {a: 1}, {b: 2}, {c: 3}, {d: 4}, {e: 5}, {f: 6}, {g: 7});
diff --git a/deep-assign/index.d.ts b/deep-assign/index.d.ts
new file mode 100644
index 0000000000..46d4cf09f2
--- /dev/null
+++ b/deep-assign/index.d.ts
@@ -0,0 +1,77 @@
+// Type definitions for clone 0.1.11
+// Project: https://github.com/sindresorhus/deep-assign
+// Definitions by: Ionut Costica <https://github.com/souldreamer>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+/**
+ * Pretty much just returns the target object
+ * @param target Base object
+ */
+declare function deepAssign<T>(target: T): T;
+/**
+ * Deeply assigns all the properties of the source object to the
+ * target object
+ * @param target Base object
+ * @param source Extending object
+ */
+declare function deepAssign<T, U>(target: T, source: U): T & U;
+/**
+ * Deeply assigns all the properties of the source objects to the
+ * target object
+ * @param target Base object
+ * @param source1 First extending object
+ * @param source2 Second extending object
+ */
+declare function deepAssign<T, U, V>(target: T, source1: U, source2: V): T & U & V;
+/**
+ * Deeply assigns all the properties of the source objects to the
+ * target object
+ * @param target Base object
+ * @param source1 First extending object
+ * @param source2 Second extending object
+ * @param source3 Third extending object
+ */
+declare function deepAssign<T, U, V, W>(target: T, source1: U, source2: V, source3: W): T & U & V & W;
+/**
+ * Deeply assigns all the properties of the source objects to the
+ * target object
+ * @param target Base object
+ * @param source1 First extending object
+ * @param source2 Second extending object
+ * @param source3 Third extending object
+ * @param source4 Fourth extending object
+ */
+declare function deepAssign<T, U, V, W, X>(target: T, source1: U, source2: V, source3: W, source4: X): T & U & V & W & X;
+/**
+ * Deeply assigns all the properties of the source objects to the
+ * target object
+ * @param target Base object
+ * @param source1 First extending object
+ * @param source2 Second extending object
+ * @param source3 Third extending object
+ * @param source4 Fourth extending object
+ * @param source5 Fifth extending object
+ */
+declare function deepAssign<T, U, V, W, X, Y>(target: T, source1: U, source2: V, source3: W, source4: X, source5: Y): T & U & V & W & X & Y;
+/**
+ * Deeply assigns all the properties of the source objects to the
+ * target object
+ * @param target Base object
+ * @param source1 First extending object
+ * @param source2 Second extending object
+ * @param source3 Third extending object
+ * @param source4 Fourth extending object
+ * @param source5 Fifth extending object
+ * @param source6 Sixth extending object
+ */
+declare function deepAssign<T, U, V, W, X, Y, Z>(target: T, source1: U, source2: V, source3: W, source4: X, source5: Y, source6: Z): T & U & V & W & X & Y & Z;
+/**
+ * Deeply assigns all the properties of the source objects to the
+ * target object
+ * @param target Base object
+ * @param sources Extending objects
+ */
+declare function deepAssign(target: any, ...sources: any[]): any;
+
+declare namespace deepAssign {}
+export = deepAssign;
diff --git a/deep-assign/tsconfig.json b/deep-assign/tsconfig.json
new file mode 100644
index 0000000000..5f80a3df8f
--- /dev/null
+++ b/deep-assign/tsconfig.json
@@ -0,0 +1,19 @@
+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "target": "es6",
+    "noImplicitAny": true,
+    "strictNullChecks": true,
+    "baseUrl": "../",
+    "typeRoots": [
+      "../"
+    ],
+    "types": [],
+    "noEmit": true,
+    "forceConsistentCasingInFileNames": true
+  },
+  "files": [
+    "index.d.ts",
+    "deep-assign-tests.ts"
+  ]
+}