properly handle types

Author: dplewis

package.json

@@ -33,7 +33,9 @@
   },
   "exports": {
     ".": {
+      "types": "./types/index.d.ts",
       "require": "./dist/index.cjs.js",
+      "import": "./dist/index.esm.js",
       "default": "./dist/index.esm.js"
     },
     "./package.json": "./package.json"