set up eslint

installer-gui/eslint.config.js

@@ -0,0 +1,42 @@
+import prettier from 'eslint-config-prettier';
+import js from '@eslint/js';
+import svelte from 'eslint-plugin-svelte';
+import globals from 'globals';
+import ts from 'typescript-eslint';
+
+export default ts.config(
+    {
+        ignores: ['build/', '.svelte-kit/**', 'dist/'],
+    },
+    js.configs.recommended,
+    ...ts.configs.recommended,
+    ...svelte.configs['flat/recommended'],
+    prettier,
+    ...svelte.configs['flat/prettier'],
+    {
+        languageOptions: {
+            globals: {
+                ...globals.browser,
+                ...globals.node,
+            },
+        },
+    },
+    {
+        files: ['**/*.svelte'],
+
+        languageOptions: {
+            parserOptions: {
+                parser: ts.parser,
+            },
+        },
+    },
+    {
+        rules: {
+            '@typescript-eslint/no-unused-vars': [
+                'error',
+                { argsIgnorePattern: '^_', varsIgnorePattern: '^_' },
+            ],
+            '@typescript-eslint/no-explicit-any': 'off',
+        },
+    }
+);