feat: more refactoring and improvements

Author: CodeDead

src/routes/Generate/index.jsx

@@ -40,7 +40,7 @@ const EXPORT_TYPES = {
     serialize: (passwordArray) =>
       passwordArray
         .map((password) => `"${password.replaceAll('"', '""')}"`)
-        .join(',\n'),
+        .join('\n'),
   },
   'text/plain': {
     extension: 'txt',

src/utils/PasswordGenerator/index.js

@@ -66,7 +66,7 @@ export const PasswordGenerator = (
   }
 
   const passwordArray = [];
-  const generatedPasswords = new Set();
+  const generatedPasswords = allowDuplicates ? null : new Set();
   const splitter = new GraphemerConstructor();
   const graphemes = splitter.splitGraphemes(totalCharacterSet);
   const graphemeCount = graphemes.length;
@@ -94,11 +94,11 @@ export const PasswordGenerator = (
       password += graphemes[getRandomIntInclusive(0, graphemeCount - 1)];
     }
 
-    if (!allowDuplicates && generatedPasswords.has(password)) {
+    if (generatedPasswords?.has(password)) {
       continue;
     }
 
-    generatedPasswords.add(password);
+    generatedPasswords?.add(password);
     passwordArray.push(password);
   }