lint fixes

website/eslint.config.js

@@ -0,0 +1,47 @@
+import js from '@eslint/js';
+import ts from '@typescript-eslint/eslint-plugin';
+import tsParser from '@typescript-eslint/parser';
+import svelte from 'eslint-plugin-svelte';
+import prettier from 'eslint-config-prettier';
+import globals from 'globals';
+
+/** @type {import('eslint').Linter.Config[]} */
+export default [
+    {
+        ignores: ['build/', '.svelte-kit/', 'package/'],
+    },
+    js.configs.recommended,
+    ...ts.configs['flat/recommended'],
+    ...svelte.configs['flat/recommended'],
+    prettier,
+    ...svelte.configs['flat/prettier'],
+    {
+        languageOptions: {
+            globals: { ...globals.browser, ...globals.node },
+        },
+    },
+    {
+        rules: {
+            // TypeScript already reports undefined names
+            'no-undef': 'off',
+            'no-empty': ['error', { allowEmptyCatch: true }],
+            '@typescript-eslint/no-unused-vars': [
+                'error',
+                { argsIgnorePattern: '^_', varsIgnorePattern: '^_' },
+            ],
+        },
+    },
+    {
+        files: ['**/*.svelte', '**/*.svelte.ts', '**/*.svelte.js'],
+        languageOptions: {
+            parserOptions: {
+                parser: tsParser,
+                extraFileExtensions: ['.svelte'],
+            },
+        },
+        rules: {
+            // $effect dependencies are tracked by reading them
+            '@typescript-eslint/no-unused-expressions': 'off',
+        },
+    },
+];