diff --git a/benchmark/index.js b/benchmark/index.js
index 35b3d8e..b6e3783 100644
--- a/benchmark/index.js
+++ b/benchmark/index.js
@@ -1,6 +1,6 @@
 'use strict';
 
-/* eslint import/no-unresolved: 0*/
+/* eslint import/no-unresolved: 0 */
 const Benchmark = require('benchmark');
 const Route = require('route-parser');
 const FnRoute = require('../src');
diff --git a/package.json b/package.json
index 82a29d0..23bd1e3 100644
--- a/package.json
+++ b/package.json
@@ -45,6 +45,7 @@
     "chai": "^3.5.0",
     "codecov": "^2.1.0",
     "commitizen": "^2.9.6",
+    "copy-webpack-plugin": "^4.6.0",
     "cross-env": "^4.0.0",
     "cz-conventional-changelog": "^2.0.0",
     "eslint": "^3.16.1",
diff --git a/src/index.d.ts b/src/index.d.ts
new file mode 100644
index 0000000..c0ad052
--- /dev/null
+++ b/src/index.d.ts
@@ -0,0 +1,13 @@
+export type RouteNamedSegments = { [key: string]: string };
+
+export interface RouteMatcher {
+  route: string;
+  match(route?: string): RouteNamedSegments | false;
+}
+
+export interface RouterOptions {
+  delimiter?: string;
+  namedSegment?: string;
+}
+
+export default function Router(route?: string, options?: RouterOptions): RouteMatcher;
diff --git a/webpack.config.js b/webpack.config.js
index 71819f9..28465d5 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -1,9 +1,11 @@
 'use strict';
 
 const BabiliPlugin = require('babili-webpack-plugin');
-
+const CopyWebpackPlugin = require('copy-webpack-plugin');
 const { join } = require('path');
 
+const copyTypings = new CopyWebpackPlugin(['src/index.d.ts']);
+
 const isProduction = process.env.NODE_ENV === 'production';
 const include = join(__dirname, 'src');
 
@@ -20,5 +22,7 @@ module.exports = {
       { test: /\.js$/, loader: 'babel-loader', include }
     ]
   },
-  plugins: isProduction ? [new BabiliPlugin({}, { comments: false })] : []
+  plugins: isProduction
+    ? [new BabiliPlugin({}, { comments: false }), copyTypings]
+    : [copyTypings]
 };