.eslintrc.js

module.exports = {
  env: {
    node: true
  },
  parserOptions: {
    sourceType: 'module',
    project: [require.resolve('./tsconfig.lint.json')]
  },
  parser: '@typescript-eslint/parser',
  extends: ['prettier', 'eslint:recommended'],
  plugins: ['@typescript-eslint', 'prettier', 'import'],
  rules: {
    'import/newline-after-import': 1,
    'import/order': ["error", {"newlines-between": "always"}],
    'prettier/prettier': ['error'],
    'sort-imports': 'off', // No auto-fix!
    'no-case-declarations': 'off',
    '@typescript-eslint/adjacent-overload-signatures': 'error',
    '@typescript-eslint/array-type': [
      'error',
      {
        default: 'array-simple'
      }
    ],
    '@typescript-eslint/await-thenable': 'off',
    '@typescript-eslint/ban-ts-ignore': 'error',
    '@typescript-eslint/ban-types': 'error',
    'brace-style': 'off',
    '@typescript-eslint/brace-style': 'error',
    camelcase: 'off',
    '@typescript-eslint/camelcase': 'error',
    '@typescript-eslint/class-name-casing': 'error',
    '@typescript-eslint/consistent-type-assertions': 'error',
    '@typescript-eslint/consistent-type-definitions': 'error',
    '@typescript-eslint/explicit-function-return-type': 'off',
    '@typescript-eslint/explicit-member-accessibility': 'off',
    'func-call-spacing': 'off',
    '@typescript-eslint/func-call-spacing': 'error',
    '@typescript-eslint/generic-type-naming': 'off',
    indent: 'off',
    '@typescript-eslint/indent': 'off',
    '@typescript-eslint/interface-name-prefix': ['error', 'never'],
    '@typescript-eslint/member-delimiter-style': 'off',
    '@typescript-eslint/member-naming': 'error',
    '@typescript-eslint/member-ordering': 'off',
    'no-array-constructor': 'off',
    '@typescript-eslint/no-array-constructor': 'error',
    'no-empty-function': 'off',
    '@typescript-eslint/no-empty-function': 'off',
    '@typescript-eslint/no-empty-interface': 'off',
    '@typescript-eslint/no-explicit-any': 'off',
    'no-extra-parens': 'off',
    '@typescript-eslint/no-extra-parens': ['error', 'functions'],
    '@typescript-eslint/no-extraneous-class': 'off',
    '@typescript-eslint/no-floating-promises': 'off',
    '@typescript-eslint/no-for-in-array': 'error',
    '@typescript-eslint/no-inferrable-types': 'off',
    'no-magic-numbers': 'off',
    '@typescript-eslint/no-magic-numbers': 'off',
    '@typescript-eslint/no-misused-new': 'error',
    '@typescript-eslint/no-misused-promises': 'off',
    '@typescript-eslint/no-namespace': 'off',
    '@typescript-eslint/no-non-null-assertion': 'off',
    '@typescript-eslint/no-parameter-properties': 'off',
    '@typescript-eslint/no-require-imports': 'off',
    '@typescript-eslint/no-this-alias': 'off',
    '@typescript-eslint/no-type-alias': 'off',
    '@typescript-eslint/no-unnecessary-condition': 'off',
    '@typescript-eslint/no-unnecessary-qualifier': 'error',
    '@typescript-eslint/no-unnecessary-type-arguments': 'error',
    '@typescript-eslint/no-unnecessary-type-assertion': 'error',
    'no-unused-vars': 'off',
    '@typescript-eslint/no-unused-vars': 'off',
    'no-use-before-define': 'off',
    '@typescript-eslint/no-use-before-define': 'off',
    'no-useless-constructor': 'off',
    '@typescript-eslint/no-useless-constructor': 'error',
    '@typescript-eslint/no-var-requires': 'off',
    '@typescript-eslint/prefer-for-of': 'error',
    '@typescript-eslint/prefer-function-type': 'error',
    '@typescript-eslint/prefer-includes': 'error',
    '@typescript-eslint/prefer-namespace-keyword': 'error',
    '@typescript-eslint/prefer-readonly': 'error',
    '@typescript-eslint/prefer-regexp-exec': 'error',
    '@typescript-eslint/prefer-string-starts-ends-with': 'error',
    '@typescript-eslint/promise-function-async': 'off',
    quotes: 'off',
    '@typescript-eslint/quotes': ['error', 'single', { avoidEscape: true }],
    '@typescript-eslint/require-array-sort-compare': 'error',
    'require-await': 'off',
    '@typescript-eslint/require-await': 'off',
    '@typescript-eslint/restrict-plus-operands': 'error',
    semi: 'off',
    '@typescript-eslint/semi': 'off',
    '@typescript-eslint/strict-boolean-expressions': 'off',
    '@typescript-eslint/triple-slash-reference': 'error',
    '@typescript-eslint/type-annotation-spacing': 'error',
    '@typescript-eslint/typedef': 'off',
    '@typescript-eslint/unbound-method': 'off',
    '@typescript-eslint/unified-signatures': 'error'
  },
  overrides: [
    {
      files: ['*.ts', '*.tsx'],
      rules: {
        'no-undef': 'off',
        '@typescript-eslint/explicit-member-accessibility': [
          'error',
          {
            overrides: {
              constructors: 'no-public',
              properties: 'explicit'
            }
          }
        ]
      }
    }
  ]
};