fixed some type errors

eslint.config.js

@@ -20,7 +20,21 @@ export default ts.config(
 		languageOptions: {
 			globals: { ...globals.browser, ...globals.node }
 		},
-		rules: { 'no-undef': 'off' }
+		rules: {
+			'no-undef': 'off',
+			'@typescript-eslint/no-unused-vars': [
+				'error',
+				{
+					args: 'all',
+					argsIgnorePattern: '^_',
+					caughtErrors: 'all',
+					caughtErrorsIgnorePattern: '^_',
+					destructuredArrayIgnorePattern: '^_',
+					varsIgnorePattern: '^_',
+					ignoreRestSiblings: true
+				}
+			]
+		}
 	},
 	{
 		files: ['**/*.svelte', '**/*.svelte.ts', '**/*.svelte.js'],