feat: support latest eslint

Author: jornfranke

eslint.config.js

@@ -0,0 +1,33 @@
+import eslintPluginSvelte from 'eslint-plugin-svelte';
+import * as svelteParser from 'svelte-eslint-parser';
+import * as typescriptParser from '@typescript-eslint/parser';
+import svelteConfig from './svelte.config.js';
+
+export default [
+	// add more generic rule sets here, such as:
+	//js.configs.recommended,
+	...eslintPluginSvelte.configs['flat/recommended'],
+	{
+		ignores: ['.svelte-kit/*', 'build/*', 'eslint.config.js', 'svelte.config.js']
+	},
+	{
+		languageOptions: {
+			parser: typescriptParser,
+			parserOptions: {
+				project: 'tsconfig.json',
+				extraFileExtensions: ['.svelte'] // This is a required setting in `@typescript-eslint/parser` v4.24.0.
+			}
+		}
+	},
+	{
+		files: ['**/*.svelte', '*.svelte'],
+		languageOptions: {
+			parser: svelteParser,
+			parserOptions: {
+				parser: typescriptParser,
+				// Specify the `svelte.config.js`.
+				svelteConfig
+			}
+		}
+	}
+];