import js from '@eslint/js';
import prettier from 'eslint-config-prettier';
import svelte from 'eslint-plugin-svelte';
import globals from 'globals';
import ts from 'typescript-eslint';

// No svelte.config.js in this project — SvelteKit's config (adapter, etc.)
// lives inline in vite.config.ts's sveltekit() plugin call, and there are no
// non-default Svelte preprocessors, so eslint-plugin-svelte needs nothing
// from it.
export default ts.config(
	js.configs.recommended,
	...ts.configs.recommended,
	...svelte.configs.recommended,
	prettier,
	...svelte.configs.prettier,
	{
		languageOptions: {
			globals: { ...globals.browser, ...globals.node }
		}
	},
	{
		files: ['**/*.svelte', '**/*.svelte.ts', '**/*.svelte.js'],
		languageOptions: {
			parserOptions: {
				projectService: true,
				extraFileExtensions: ['.svelte'],
				parser: ts.parser
			}
		}
	},
	{
		// The service worker runs in a webworker global scope, not a browser
		// window — see src/service-worker.ts's own triple-slash lib directives.
		files: ['src/service-worker.ts'],
		languageOptions: {
			globals: { ...globals.serviceworker }
		}
	},
	{
		ignores: ['build/', '.svelte-kit/', 'dist/', 'node_modules/']
	}
);