.eslintrc.cjs

/** @type {import("eslint").Linter.Config} */
const config = {
  root: true,
  parser: '@typescript-eslint/parser',
  plugins: ['isaacscript', 'import'],
  extends: [
    'plugin:@typescript-eslint/recommended-type-checked',
    'plugin:@typescript-eslint/stylistic-type-checked',
    'plugin:prettier/recommended'
  ],
  parserOptions: {
    ecmaVersion: 'latest',
    sourceType: 'module',
    tsconfigRootDir: __dirname,
    project: [
      './tsconfig.json',
      './cli/tsconfig.eslint.json', // separate eslint config for the CLI since we want to lint and typecheck differently due to template files
      './www/tsconfig.json'
    ]
  },
  overrides: [
    // Template files don't have reliable type information
    {
      files: ['./cli/template/**/*.{ts,tsx}'],
      extends: ['plugin:@typescript-eslint/disable-type-checked']
    }
  ],
  rules: {
    // These off/not-configured-the-way-we-want lint rules we like & opt into
    '@typescript-eslint/no-explicit-any': 'error',
    '@typescript-eslint/no-unused-vars': [
      'error',
      { argsIgnorePattern: '^_', destructuredArrayIgnorePattern: '^_' }
    ],
    '@typescript-eslint/consistent-type-imports': [
      'error',
      { prefer: 'type-imports', fixStyle: 'inline-type-imports' }
    ],
    'import/consistent-type-specifier-style': ['error', 'prefer-inline'],

    // For educational purposes we format our comments/jsdoc nicely
    'isaacscript/complete-sentences-jsdoc': 'warn',
    'isaacscript/format-jsdoc-comments': 'warn',

    // These lint rules don't make sense for us but are enabled in the preset configs
    '@typescript-eslint/no-confusing-void-expression': 'off',
    '@typescript-eslint/restrict-template-expressions': 'off',

    // This rule doesn't seem to be working properly
    '@typescript-eslint/prefer-nullish-coalescing': 'off'
  }
}

module.exports = config