.eslintrc.js

module.exports = {
  root: true,
  env: {
    es6: 'error',
    node: 'error',
  },
  extends: ['prettier'],
  parser: '@typescript-eslint/parser',
  parserOptions: {
    project: ['./tsconfig.eslint.json'],
    tsconfigRootDir: __dirname,
    sourceType: 'module',
  },
  ignorePatterns: ['node_modules/**'],
  plugins: [
    'eslint-plugin-jsdoc',
    'eslint-plugin-prefer-arrow',
    'eslint-plugin-import',
    'eslint-plugin-react',
    'eslint-plugin-unicorn',
    '@typescript-eslint',
    'deprecation',
  ],
  rules: {
    '@typescript-eslint/adjacent-overload-signatures': 'error',
    '@typescript-eslint/array-type': 'off',
    '@typescript-eslint/await-thenable': 'error',
    '@typescript-eslint/ban-types': 'off',
    '@typescript-eslint/consistent-type-assertions': 'error',
    '@typescript-eslint/dot-notation': 'error',
    '@typescript-eslint/indent': 'off',
    'deprecation/deprecation': 'error',
    '@typescript-eslint/member-delimiter-style': [
      'off',
      {
        multiline: {
          delimiter: 'none',
          requireLast: 'error',
        },
        singleline: {
          delimiter: 'semi',
          requireLast: 'off',
        },
      },
    ],
    '@typescript-eslint/member-ordering': 'off',
    '@typescript-eslint/naming-convention': [
      'error',
      {
        selector: 'variable',
        format: ['camelCase', 'UPPER_CASE', 'PascalCase'],
        leadingUnderscore: 'allow',
      },
    ],
    '@typescript-eslint/no-empty-function': 'error',
    '@typescript-eslint/no-empty-interface': 'error',
    '@typescript-eslint/no-explicit-any': 'warn',
    '@typescript-eslint/no-floating-promises': 'error',
    '@typescript-eslint/no-misused-new': 'error',
    '@typescript-eslint/no-namespace': 'off',
    '@typescript-eslint/no-parameter-properties': 'off',
    '@typescript-eslint/no-this-alias': 'error',
    '@typescript-eslint/no-unnecessary-qualifier': 'error',
    '@typescript-eslint/no-unnecessary-type-assertion': 'error',
    '@typescript-eslint/no-unused-expressions': 'off',
    '@typescript-eslint/no-use-before-define': 'off',
    '@typescript-eslint/no-var-requires': 'off',
    '@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-parens': ['off', 'always'],
    'brace-style': ['off', 'off'],
    'comma-dangle': 'off',
    complexity: 'off',
    'constructor-super': 'error',
    curly: 'error',
    'default-case': 'error',
    'eol-last': 'off',
    eqeqeq: ['error', 'smart'],
    'guard-for-in': 'error',
    'id-blacklist': 'off',
    'id-match': 'error',
    'import/no-deprecated': 'error',
    'import/no-extraneous-dependencies': 'off',
    'import/no-internal-modules': 'off',
    'jsdoc/check-alignment': 'error',
    'jsdoc/check-indentation': 'off',
    'jsdoc/newline-after-description': 'off',
    'linebreak-style': 'off',
    'max-classes-per-file': 'off',
    'max-len': 'off',
    'new-parens': 'off',
    'newline-per-chained-call': 'off',
    'no-bitwise': 'error',
    'no-caller': 'error',
    'no-cond-assign': 'error',
    'no-console': 'off',
    'no-constant-condition': 'off',
    'no-control-regex': 'error',
    'no-debugger': 'error',
    'no-duplicate-case': 'error',
    'no-duplicate-imports': 'error',
    'no-empty': ['warn'],
    'no-eval': 'error',
    'no-extra-bind': 'error',
    'no-extra-semi': 'off',
    'no-fallthrough': 'error',
    'no-invalid-regexp': 'error',
    'no-invalid-this': 'off',
    'no-irregular-whitespace': 'off',
    'no-multiple-empty-lines': 'off',
    'no-new-func': 'error',
    'no-new-wrappers': 'error',
    'no-redeclare': 'off',
    'no-regex-spaces': 'error',
    'no-return-await': 'error',
    'no-sequences': 'error',
    'no-shadow': [
      'off',
      {
        hoist: 'all',
      },
    ],
    'no-sparse-arrays': 'error',
    'no-template-curly-in-string': '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': 'off',
    'prefer-const': 'error',
    'prefer-object-spread': 'error',
    'quote-props': 'off',
    radix: 'error',
    'react/jsx-curly-spacing': 'off',
    'react/jsx-equals-spacing': 'off',
    'react/jsx-wrap-multilines': 'off',
    'space-before-function-paren': 'off',
    'space-in-parens': ['off', 'never'],
    'spaced-comment': [
      'error',
      'always',
      {
        markers: ['/'],
      },
    ],
    'unicorn/filename-case': 'off',
    'use-isnan': 'error',
    'valid-typeof': 'off',

    // tslint.json rules
    align: 'off',
    ban: 'off',
    eofline: 'off',
    indent: 'off',
    'interface-name': 'off',
    'jsx-no-lambda': 'off',
    'jsx-no-multiline-js': 'off',
    'max-line-length': 'off',
    'member-ordering': 'off',
    'no-consecutive-blank-lines': 'off',
    'no-implicit-dependencies': 'off',
    'no-namespace': 'off',
    'no-submodule-imports': 'off',
    'no-trailing-whitespace': 'off',
    'no-unused-expression': 'off',
    'no-use-before-declare': 'off',
    'one-line': 'off',
    'prefer-conditional-expression': 'off',
    quotemark: 'off',
    semicolon: 'off',
    'trailing-comma': 'off',
    'typedef-whitespace': 'off',
    whitespace: 'off',
  },
};