diff --git a/tinycopy/tinycopy-tests.ts b/tinycopy/tinycopy-tests.ts
new file mode 100644
index 0000000000..f695ebf19e
--- /dev/null
+++ b/tinycopy/tinycopy-tests.ts
@@ -0,0 +1,17 @@
+/// <reference path="tinycopy.d.ts" />
+
+import TinyCopy from 'tinycopy';
+
+TinyCopy.exec('test', (err, data) => {});
+
+var trigger_1 = document.getElementById('trigger_1');
+var target_1 = document.getElementById('target');
+new TinyCopy(trigger_1, target_1)
+  .on('success', function(data) {})
+  .on('error', function(err) {});
+
+var trigger_2 = document.getElementById('trigger_2');
+var target_2 = 'test';
+new TinyCopy(trigger_2, target_2)
+  .on('success', function(data) {})
+  .on('error', function(err) {});
diff --git a/tinycopy/tinycopy.d.ts b/tinycopy/tinycopy.d.ts
new file mode 100644
index 0000000000..33b7ae217c
--- /dev/null
+++ b/tinycopy/tinycopy.d.ts
@@ -0,0 +1,14 @@
+// Type definitions for tinycopy 2.1.2
+// Project: https://github.com/vvatanabe/tinycopy
+// Definitions by: Yuichi Watanabe <https://github.com/vvatanabe>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+declare module "tinycopy" {
+  export default class TinyCopy {
+    constructor(trigger: Element, target: (string | Element | NodeListOf<Element>));
+    on(type: "success", action: (data: string) => void): this;
+    on(type: "error", action: (err: Error) => void): this;
+    on(type: string, action: (e: (string | Error)) => void): this;
+    static exec(value: string, callback: (err?: Error, data?: string) => void): void;
+  }
+}