Allow unused _ variable in Typescript

eslint.config.js

@@ -5,6 +5,7 @@ import globals from 'globals';
 import { fileURLToPath } from 'node:url';
 import ts from 'typescript-eslint';
 import svelteConfig from './svelte.config.js';
+
 const gitignorePath = fileURLToPath(new URL("./.gitignore", import.meta.url));
 
 export default ts.config(
@@ -31,6 +32,15 @@ export default ts.config(
         parser: ts.parser,
         svelteConfig
       }
+    },
+    rules: {
+      "@typescript-eslint/no-unused-vars": [
+        "error",
+        {
+          "varsIgnorePattern": "^_",
+          "argsIgnorePattern": "^_"
+        }
+      ]
     }
   }
 );