.eslintrc.js

module.exports = {
  ignorePatterns: ['**/tsconfig*.json', '.vscode/**', 'dist/**'],
  env: {
    es6: true,
    node: true,
    es2017: true,
    es2020: true,
    mocha: true,
  },
  extends: [
    // Must be last
    'plugin:prettier/recommended',
  ],
  parser: '@typescript-eslint/parser',
  parserOptions: {
    project: ['tsconfig*.json', '**/tsconfig*.json'],
    sourceType: 'module',
  },
  plugins: [
    'eslint-plugin-jsdoc',
    'eslint-plugin-prefer-arrow',
    'eslint-plugin-import',
    'json-format',
    '@typescript-eslint',
  ],
  rules: {
    '@typescript-eslint/no-floating-promises': ['error'],
    '@typescript-eslint/adjacent-overload-signatures': 'error',
    '@typescript-eslint/array-type': [
      'error',
      {
        default: 'array-simple',
      },
    ],
    '@typescript-eslint/ban-types': [
      'error',
      {
        extendDefaults: true,
        types: {
          object: false,
        },
      },
    ],
    '@typescript-eslint/consistent-type-assertions': 'error',
    '@typescript-eslint/consistent-type-definitions': 'error',
    '@typescript-eslint/dot-notation': 'error',
    '@typescript-eslint/explicit-member-accessibility': [
      'error',
      {
        accessibility: 'explicit',
      },
    ],
    '@typescript-eslint/indent': 'off',
    '@typescript-eslint/member-delimiter-style': [
      'off',
      {
        multiline: {
          delimiter: 'none',
          requireLast: true,
        },
        singleline: {
          delimiter: 'semi',
          requireLast: false,
        },
      },
    ],
    '@typescript-eslint/member-ordering': 'error',
    '@typescript-eslint/naming-convention': 'off',
    '@typescript-eslint/no-empty-function': 'off',
    '@typescript-eslint/no-empty-interface': 'error',
    '@typescript-eslint/no-explicit-any': 'off',
    '@typescript-eslint/no-misused-new': 'error',
    '@typescript-eslint/no-namespace': 'error',
    '@typescript-eslint/no-parameter-properties': 'off',
    '@typescript-eslint/no-shadow': [
      'error',
      {
        hoist: 'all',
      },
    ],
    '@typescript-eslint/no-unused-expressions': 'error',
    '@typescript-eslint/no-use-before-define': 'off',
    '@typescript-eslint/no-var-requires': 'error',
    '@typescript-eslint/prefer-for-of': 'error',
    '@typescript-eslint/prefer-function-type': 'error',
    '@typescript-eslint/prefer-namespace-keyword': 'error',
    '@typescript-eslint/quotes': 'off',
    '@typescript-eslint/semi': ['off', null],
    '@typescript-eslint/triple-slash-reference': [
      'error',
      {
        path: 'always',
        types: 'prefer-import',
        lib: 'always',
      },
    ],
    '@typescript-eslint/type-annotation-spacing': 'off',
    '@typescript-eslint/unified-signatures': 'error',
    'arrow-body-style': 'error',
    'arrow-parens': ['off', 'always'],
    'brace-style': ['off', 'off'],
    'comma-dangle': 'off',
    complexity: 'off',
    'constructor-super': 'error',
    curly: 'error',
    'eol-last': 'off',
    eqeqeq: ['error', 'smart'],
    'guard-for-in': 'error',
    'id-blacklist': 'off',
    'id-match': 'off',
    'import/order': 'error',
    'jsdoc/check-alignment': 'error',
    'jsdoc/check-indentation': 'error',
    'jsdoc/newline-after-description': 'off',
    'linebreak-style': 'off',
    'max-classes-per-file': ['error', 1],
    'max-len': 'off',
    'new-parens': 'off',
    'newline-per-chained-call': 'off',
    'no-bitwise': 'error',
    'no-caller': 'error',
    'no-cond-assign': 'error',
    'no-console': [
      'error',
      {
        allow: [
          'warn',
          'dir',
          'time',
          'timeEnd',
          'timeLog',
          'trace',
          'assert',
          'clear',
          'count',
          'countReset',
          'group',
          'groupEnd',
          'table',
          'debug',
          'info',
          'dirxml',
          'error',
          'groupCollapsed',
          'Console',
          'profile',
          'profileEnd',
          'timeStamp',
          'context',
        ],
      },
    ],
    'no-debugger': 'error',
    'no-empty': 'error',
    'no-eval': 'error',
    'no-extra-semi': 'off',
    'no-fallthrough': 'off',
    'no-invalid-this': 'off',
    'no-irregular-whitespace': 'off',
    'no-multiple-empty-lines': 'off',
    'no-new-wrappers': 'error',
    'no-throw-literal': 'error',
    'no-trailing-spaces': 'off',
    'no-undef-init': 'error',
    'no-underscore-dangle': 'off',
    'no-unsafe-finally': 'error',
    'no-unused-labels': 'error',
    'no-var': 'error',
    'object-shorthand': 'error',
    'one-var': ['error', 'never'],
    'prefer-arrow/prefer-arrow-functions': 'error',
    'prefer-const': 'error',
    'quote-props': 'off',
    radix: 'error',
    'space-before-function-paren': 'off',
    'space-in-parens': ['off', 'never'],
    'spaced-comment': [
      'error',
      'always',
      {
        markers: ['/'],
      },
    ],
    'use-isnan': 'error',
    'valid-typeof': 'error',
  },
};