diff --git a/frontend.ts b/frontend.ts
index 0485d09..7746e88 100644
--- a/frontend.ts
+++ b/frontend.ts
@@ -1,4 +1,4 @@
-document.addEventListener('DOMContentLoaded', () => {
+
 
 const inputElement = document.getElementById('input')as HTMLFormElement;
 const box = document.getElementById('response_text')as HTMLFormElement;
@@ -22,13 +22,20 @@ inputElement.addEventListener('keydown', function(event) {
 function convert_form(): string {
     
     const user_input = inputElement.value;
-    const converted_user_input = user_input.replace(/ /g, "");
+    if (user_input == "") {
 
-    box.textContent = converted_user_input;
+        return "error";
+    } else {
+        const converted_user_input = user_input.replace(/ /g, "");
 
-    inputElement.value = '';
-    
-    return converted_user_input;
+        box.textContent = converted_user_input;
+
+        inputElement.value = '';
+
+        copy_to_clipboard();
+        
+        return converted_user_input;}
+        
 }
 
 
@@ -39,4 +46,3 @@ function copy_to_clipboard() {
 }
 
 
-});
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index c965477..66d2b98 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,9 +1,13 @@
 {
   "name": "web_tool",
+  "version": "1.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
+      "name": "web_tool",
+      "version": "1.0.0",
+      "license": "ISC",
       "dependencies": {
         "express": "^5.1.0"
       },
diff --git a/package.json b/package.json
index 045e416..55c8753 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,4 @@
   "author": "",
   "license": "ISC",
   "type": "commonjs"
-
-  
 }