diff --git a/is-array/index.d.ts b/is-array/index.d.ts
new file mode 100644
index 0000000000..77cd72caab
--- /dev/null
+++ b/is-array/index.d.ts
@@ -0,0 +1,7 @@
+// Type definitions for is-array 1.0
+// Project: https://github.com/retrofox/is-array
+// Definitions by: Pine Mizune <https://github.com/pine>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export = isArray;
+declare function isArray(val?: any): boolean;
diff --git a/is-array/is-array-tests.ts b/is-array/is-array-tests.ts
new file mode 100644
index 0000000000..e411ca661f
--- /dev/null
+++ b/is-array/is-array-tests.ts
@@ -0,0 +1,8 @@
+import isArray = require('is-array');
+
+isArray();
+isArray(null);
+isArray(1);
+isArray(true);
+isArray([]);
+isArray({});
diff --git a/is-array/tsconfig.json b/is-array/tsconfig.json
new file mode 100644
index 0000000000..2d027ece6d
--- /dev/null
+++ b/is-array/tsconfig.json
@@ -0,0 +1,23 @@
+
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "is-array-tests.ts"
+    ]
+}
diff --git a/is-array/tslint.json b/is-array/tslint.json
new file mode 100644
index 0000000000..377cc837d4
--- /dev/null
+++ b/is-array/tslint.json
@@ -0,0 +1 @@
+{ "extends": "../tslint.json" }