diff --git a/.eslintrc.js b/.eslintrc.js
index 936146f..c62aa4b 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -29,5 +29,6 @@ module.exports = {
         "@typescript-eslint"
     ],
     "rules": {
+        "no-console": "error",
     }
 }
diff --git a/package.json b/package.json
index e38891c..904d56f 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "main": "index.js",
   "scripts": {
     "lint": "eslint .",
-    "tsc": "tsc",
+    "tsc": "tsc --noEmit",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "repository": {
@@ -25,4 +25,4 @@
     "eslint": "^8.46.0",
     "typescript": "^5.1.6"
   }
-}
+}
\ No newline at end of file
diff --git a/src/index.js b/src/index.js
deleted file mode 100644
index e784b9a..0000000
--- a/src/index.js
+++ /dev/null
@@ -1,4 +0,0 @@
-"use strict";
-function add(a, b) {
-    return a + b;
-}
diff --git a/src/index.ts b/src/index.ts
index d48b7c1..01eb71c 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,3 +1,5 @@
-export function add(a: number, b: number): number {
+export function add(a, b): number {
+	console.log('add');
+
 	return a + b;
 }
\ No newline at end of file