boilerplate-backend/.eslintrc.cjs

// eslint-disable-next-line import/no-commonjs
module.exports = {
  env: {
    browser: true,
    es2021: true,
  },
  extends: [
    'standard',
    'eslint:recommended',
    'plugin:@eslint-community/eslint-comments/recommended',
    'plugin:@typescript-eslint/recommended',
    'plugin:import/recommended',
    'plugin:import/typescript',
    'plugin:promise/recommended',
    'plugin:security/recommended-legacy',
  ],
  parserOptions: {
    ecmaVersion: 'latest',
    parser: '@typescript-eslint/parser',
    sourceType: 'module',
  },
  plugins: ['@typescript-eslint', 'import', 'promise', 'security', 'n'],
  settings: {
    'import/resolver': {
      typescript: true,
      node: true,
    },
  },
  rules: {
    'no-console': 'error',
    'no-debugger': 'error',
    camelcase: 'error',
    indent: ['error', 2],
    'linebreak-style': ['error', 'unix'],
    semi: ['error', 'never'],
    // Optional eslint-comments rule
    '@eslint-community/eslint-comments/no-unused-disable': 'error',
    '@eslint-community/eslint-comments/disable-enable-pair': ['error', { allowWholeFile: true }],
    // import
    'import/export': 'error',
    'import/no-deprecated': 'error',
    'import/no-empty-named-blocks': 'error',
    'import/no-extraneous-dependencies': 'error',
    'import/no-mutable-exports': 'error',
    'import/no-unused-modules': 'error',
    'import/no-named-as-default': 'error',
    'import/no-named-as-default-member': 'error',
    'import/no-amd': 'error',
    'import/no-commonjs': 'error',
    'import/no-import-module-exports': 'error',
    'import/no-nodejs-modules': 'off',
    'import/unambiguous': 'off', // not compatible with scriptless vue files
    'import/default': 'error',
    'import/named': 'error',
    'import/namespace': 'error',
    'import/no-absolute-path': 'error',
    'import/no-cycle': 'error',
    'import/no-dynamic-require': 'error',
    'import/no-internal-modules': 'off',
    'import/no-relative-packages': 'error',
    'import/no-relative-parent-imports': [
      'error',
      { ignore: ['#[src,root,components,pages,assets,layouts,stores,plugins,context,types]/*'] },
    ],
    'import/no-self-import': 'error',
    'import/no-unresolved': 'error',
    'import/no-useless-path-segments': 'error',
    'import/no-webpack-loader-syntax': 'error',
    'import/consistent-type-specifier-style': 'error',
    'import/exports-last': 'off',
    'import/extensions': [
      'error',
      'never',
      {
        json: 'always',
      },
    ],
    'import/first': 'error',
    'import/group-exports': 'off',
    'import/newline-after-import': 'error',
    'import/no-anonymous-default-export': 'off', // todo - consider to enable again
    'import/no-default-export': 'off', // incompatible with vite & vike
    'import/no-duplicates': 'error',
    'import/no-named-default': 'error',
    'import/no-namespace': 'error',
    'import/no-unassigned-import': 'error',
    'import/order': [
      'error',
      {
        groups: ['builtin', 'external', 'internal', 'parent', 'sibling', 'index', 'object', 'type'],
        'newlines-between': 'always',
        alphabetize: {
          order: 'asc', // sort in ascending order. Options: ["ignore", "asc", "desc"]
          caseInsensitive: true, // ignore case. Options: [true, false]
        },
        distinctGroup: true,
      },
    ],
    'import/prefer-default-export': 'off',
    // n
    'n/handle-callback-err': 'error',
    'n/no-callback-literal': 'error',
    'n/no-exports-assign': 'error',
    'n/no-extraneous-import': 'error',
    'n/no-extraneous-require': 'error',
    'n/no-hide-core-modules': 'error',
    'n/no-missing-import': 'off', // not compatible with typescript
    'n/no-missing-require': 'error',
    'n/no-new-require': 'error',
    'n/no-path-concat': 'error',
    'n/no-process-exit': 'error',
    'n/no-unpublished-bin': 'error',
    'n/no-unpublished-import': 'error',
    'n/no-unpublished-require': 'error',
    'n/no-unsupported-features': ['error', { ignores: ['modules'] }],
    'n/no-unsupported-features/es-builtins': 'error',
    'n/no-unsupported-features/es-syntax': 'error',
    'n/no-unsupported-features/node-builtins': 'error',
    'n/process-exit-as-throw': 'error',
    'n/shebang': 'error',
    'n/callback-return': 'error',
    'n/exports-style': 'error',
    'n/file-extension-in-import': 'off',
    'n/global-require': 'error',
    'n/no-mixed-requires': 'error',
    'n/no-process-env': 'error',
    'n/no-restricted-import': 'error',
    'n/no-restricted-require': 'error',
    'n/no-sync': 'error',
    'n/prefer-global/buffer': 'error',
    'n/prefer-global/console': 'error',
    'n/prefer-global/process': 'error',
    'n/prefer-global/text-decoder': 'error',
    'n/prefer-global/text-encoder': 'error',
    'n/prefer-global/url': 'error',
    'n/prefer-global/url-search-params': 'error',
    'n/prefer-promises/dns': 'error',
    'n/prefer-promises/fs': 'error',
    // promise
    'promise/catch-or-return': 'error',
    'promise/no-return-wrap': 'error',
    'promise/param-names': 'error',
    'promise/always-return': 'error',
    'promise/no-native': 'off',
    'promise/no-nesting': 'warn',
    'promise/no-promise-in-callback': 'warn',
    'promise/no-callback-in-promise': 'warn',
    'promise/avoid-new': 'warn',
    'promise/no-new-statics': 'error',
    'promise/no-return-in-finally': 'warn',
    'promise/valid-params': 'warn',
    'promise/prefer-await-to-callbacks': 'error',
    'promise/no-multiple-resolved': 'error',
  },
  overrides: [
    {
      files: ['*.ts', '*.tsx'],
      parser: '@typescript-eslint/parser',
      parserOptions: {
        tsconfigRootDir: __dirname,
        project: ['./tsconfig.json', '**/tsconfig.json'],
        ecmaVersion: 'latest',
        parser: '@typescript-eslint/parser',
        sourceType: 'module',
      },
      plugins: ['@typescript-eslint', 'type-graphql'],
      extends: [
        'plugin:@typescript-eslint/recommended',
        'plugin:@typescript-eslint/recommended-requiring-type-checking',
        'plugin:@typescript-eslint/strict',
        'plugin:type-graphql/recommended',
      ],
      rules: {
        // allow explicitly defined dangling promises
        '@typescript-eslint/no-floating-promises': ['error', { ignoreVoid: true }],
        'no-void': ['error', { allowAsStatement: true }],
      },
    },
    {
      files: ['!*.json'],
      plugins: ['prettier'],
      extends: ['plugin:prettier/recommended'],
      rules: {
        'prettier/prettier': 'error',
      },
    },
    {
      files: ['*.json'],
      plugins: ['json'],
      extends: ['plugin:json/recommended-with-comments'],
    },
    {
      files: ['*.[test,spec].[tj]s'],
      plugins: ['jest'],
      extends: ['plugin:jest/all'],
    },
    {
      files: ['*.yaml', '*.yml'],
      parser: 'yaml-eslint-parser',
      plugins: ['yml'],
      extends: ['plugin:yml/prettier'],
    },
  ],
}