eslint.config.js

import js from '@eslint/js';
import svelte from 'eslint-plugin-svelte';
import { defineConfig } from 'eslint/config';
import globals from 'globals';
import ts from 'typescript-eslint';
import svelteConfig from './svelte.config.js';

export default defineConfig(
	{
		ignores: ['./worker-configuration.d.ts', './.svelte-kit', '/.wrangler', 'examples/**']
	},
	js.configs.recommended,
	ts.configs.recommended,
	svelte.configs.recommended,
	{
		languageOptions: { globals: { ...globals.browser, ...globals.node } },
		rules: {
			'no-undef': 'off',
			'@typescript-eslint/naming-convention': [
				'error',
				{
					selector: ['variableLike'],
					format: ['snake_case', 'UPPER_CASE'],
					leadingUnderscore: 'allow'
				}
			],
			'@typescript-eslint/no-unused-vars': [
				'error',
				{
					varsIgnorePattern: '^_',
					ignoreRestSiblings: true
				}
			]
		}
	},
	{
		files: ['**/*.svelte', '**/*.svelte.ts', '**/*.svelte.js'],
		languageOptions: {
			parserOptions: {
				projectService: true,
				extraFileExtensions: ['.svelte'],
				parser: ts.parser,
				svelteConfig
			}
		}
	}
);