eslint looks ok

.eslintrc.js

@@ -9,7 +9,16 @@ module.exports = {
     ecmaVersion: 13,
     sourceType: 'module',
   },
-  plugins: ['@typescript-eslint'],
+  plugins: ['svelte3', '@typescript-eslint'],
+  overrides: [
+    {
+      files: ['*.svelte'],
+      processor: 'svelte3/svelte3',
+    },
+  ],
+  settings: {
+    'svelte3/typescript': true,
+  },
   rules: {
     'comma-dangle': ['error', 'always-multiline'],
     'arrow-parens': ['error', 'as-needed'],