eslint.config.js

import js from '@eslint/js';
import globals from 'globals';
import reactHooks from 'eslint-plugin-react-hooks';
import jsxA11y from 'eslint-plugin-jsx-a11y';
import tseslint from 'typescript-eslint';

export default tseslint.config(
  {
    // Build output, test artifacts, deps — plus the vendored Nayuki QR
    // generator, which is preserved byte-for-byte upstream style.
    ignores: [
      'dist',
      '**/dist',
      'test-results',
      'node_modules',
      'lib/components/QRCode/qrcodegen.ts',
    ],
  },
  js.configs.recommended,
  ...tseslint.configs.recommended,
  {
    files: ['**/*.{ts,tsx}'],
    plugins: {
      'react-hooks': reactHooks,
      'jsx-a11y': jsxA11y,
    },
    languageOptions: {
      globals: { ...globals.browser },
    },
    rules: {
      '@typescript-eslint/no-unused-vars': [
        'error',
        { argsIgnorePattern: '^_', varsIgnorePattern: '^_' },
      ],
      ...reactHooks.configs.recommended.rules,
      ...jsxA11y.configs.recommended.rules,
      // Repo-wide pre-existing debt under the two new plugins surfaces as
      // warnings until each component is cleaned; new and edited code must
      // still be warning-free (verify with: npx eslint <files>).
      'react-hooks/refs': 'warn',
      'react-hooks/purity': 'warn',
      'react-hooks/set-state-in-effect': 'warn',
      'react-hooks/exhaustive-deps': 'warn',
      'react-hooks/use-memo': 'warn',
      'jsx-a11y/click-events-have-key-events': 'warn',
      'jsx-a11y/no-static-element-interactions': 'warn',
      'jsx-a11y/no-noninteractive-element-interactions': 'warn',
      'jsx-a11y/interactive-supports-focus': 'warn',
      'jsx-a11y/no-redundant-roles': 'warn',
      'jsx-a11y/tabindex-no-positive': 'warn',
      'jsx-a11y/no-noninteractive-tabindex': 'warn',
      'jsx-a11y/aria-activedescendant-has-tabindex': 'warn',
      'jsx-a11y/no-autofocus': 'warn',
      'jsx-a11y/role-supports-aria-props': 'warn',
    },
  },
  {
    // Node tooling scripts (extract-palettes, etc.)
    files: ['**/*.mjs'],
    languageOptions: {
      globals: { ...globals.node },
    },
  }
);