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

export default ts.config(
  // Never lint generated / vendored output.
  {
    ignores: ['build/', '.svelte-kit/', 'node_modules/', 'dist/', 'static/']
  },
  js.configs.recommended,
  ...ts.configs.recommended,
  ...svelte.configs.recommended,
  {
    languageOptions: {
      globals: { ...globals.browser, ...globals.node }
    }
  },
  {
    // Svelte files parse <script lang="ts"> blocks with the TS parser.
    files: ['**/*.svelte', '**/*.svelte.ts'],
    languageOptions: {
      parserOptions: { parser: ts.parser }
    }
  },
  {
    rules: {
      '@typescript-eslint/no-unused-vars': ['warn', { argsIgnorePattern: '^_' }],
      // This project links/navigates with plain hrefs and goto(path); we don't
      // use the resolve() route helper. Off rather than churn every link.
      'svelte/no-navigation-without-resolve': 'off',
      // Nice-to-have, not worth failing the build over for static lists.
      'svelte/require-each-key': 'warn',
      // `svelte-ignore` comments target svelte-check (a11y), which eslint can't
      // see — so it wrongly reports them as unused.
      'svelte/no-unused-svelte-ignore': 'off'
    }
  }
);