Merge pull request #5 from koiralakiran1/type-definition

Add typescript type definition for TS projects support

Author: pratishshr

index.d.ts

@@ -0,0 +1,5 @@
+export interface Params {
+    [key: string]: string | number;
+}
+
+export default function interpolate(str: string, params: Params): string;

package.json

@@ -39,5 +39,6 @@
   },
   "engines": {
     "node": ">=8"
-  }
+  },
+  "types": "./index.d.ts"
 }