diff --git a/window-or-global/index.d.ts b/window-or-global/index.d.ts
new file mode 100644
index 0000000000..eb51e7b7fb
--- /dev/null
+++ b/window-or-global/index.d.ts
@@ -0,0 +1,7 @@
+// Type definitions for window-or-global 1.0
+// Project: https://github.com/purposeindustries/window-or-global
+// Definitions by: vvakame <https://github.com/vvakame>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+declare var _: any;
+export = _;
diff --git a/window-or-global/tsconfig.json b/window-or-global/tsconfig.json
new file mode 100644
index 0000000000..4c3c43f54c
--- /dev/null
+++ b/window-or-global/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",
+        "window-or-global-tests.ts"
+    ]
+}
diff --git a/window-or-global/tslint.json b/window-or-global/tslint.json
new file mode 100644
index 0000000000..377cc837d4
--- /dev/null
+++ b/window-or-global/tslint.json
@@ -0,0 +1 @@
+{ "extends": "../tslint.json" }
diff --git a/window-or-global/window-or-global-tests.ts b/window-or-global/window-or-global-tests.ts
new file mode 100644
index 0000000000..c994f5023c
--- /dev/null
+++ b/window-or-global/window-or-global-tests.ts
@@ -0,0 +1,3 @@
+import * as root from "window-or-global";
+
+root.addEventListener("click", () => console.log("Hi!"));