@vkontakte/eslint-plugin/configs/typescript.js

eslint config from VK

const { namingConventionOptions } = require('./naming-convention');

module.exports = {
  parser: '@typescript-eslint/parser', // Specifies the ESLint parser
  extends: ['plugin:@vkontakte/eslint-plugin/default'],
  plugins: ['@typescript-eslint'],
  rules: {
    '@typescript-eslint/adjacent-overload-signatures': 'error',
    '@typescript-eslint/array-type': ['error', { default: 'array-simple' }],
    '@typescript-eslint/await-thenable': 'error',
    '@typescript-eslint/ban-types': [
      'error',
      {
        types: {
          Function: 'Use exact typing of callables instead of generic Function',
          Object: 'Use {} instead or exact typing',
          String: {
            message: 'Use string instead',
            fixWith: 'string',
          },
          Number: {
            message: 'Use number instead',
            fixWith: 'number',
          },
        },
      },
    ],
    'brace-style': 'off',
    '@typescript-eslint/brace-style': [
      'error',
      '1tbs',
      { allowSingleLine: true },
    ],
    '@typescript-eslint/consistent-type-assertions': [
      'error',
      { assertionStyle: 'as', objectLiteralTypeAssertions: 'never' },
    ],
    '@typescript-eslint/explicit-member-accessibility': 'error',
    'func-call-spacing': 'off',
    '@typescript-eslint/func-call-spacing': ['error', 'never'],
    'indent': 'off',
    '@typescript-eslint/indent': ['error', 2],
    '@typescript-eslint/member-delimiter-style': 'error',
    'no-array-constructor': 'off',
    '@typescript-eslint/no-array-constructor': 'error',
    'no-empty-function': 'off',
    '@typescript-eslint/no-empty-function': 'error',
    '@typescript-eslint/no-empty-interface': 'error',
    'no-extra-parens': 'off',
    '@typescript-eslint/no-extra-parens': [
      'error',
      'all',
      {
        ignoreJSX: 'all',
      },
    ],
    '@typescript-eslint/no-extraneous-class': 'error',
    '@typescript-eslint/no-floating-promises': 'error',
    '@typescript-eslint/no-for-in-array': 'error',
    '@typescript-eslint/no-inferrable-types': 'error',
    'no-magic-numbers': 'off',
    '@typescript-eslint/no-magic-numbers': [
      'error',
      { ignoreNumericLiteralTypes: true, ignoreEnums: true },
    ],
    '@typescript-eslint/no-misused-new': 'error',
    '@typescript-eslint/no-misused-promises': 'error',
    '@typescript-eslint/no-non-null-assertion': 'error',
    '@typescript-eslint/no-this-alias': 'error',
    '@typescript-eslint/no-unnecessary-condition': 'error',
    '@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': [
      'error',
      {
        ignoreRestSiblings: true,
      },
    ],
    'no-use-before-define': 'off',
    '@typescript-eslint/no-use-before-define': ['error', { functions: false }],
    'no-useless-constructor': 'off',
    '@typescript-eslint/no-useless-constructor': '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-string-starts-ends-with': 'error',
    'quotes': 'off',
    '@typescript-eslint/quotes': ['error', 'single'],
    '@typescript-eslint/require-array-sort-compare': 'error',
    '@typescript-eslint/restrict-plus-operands': 'error',
    'semi': 'off',
    '@typescript-eslint/semi': ['error', 'always'],
    '@typescript-eslint/type-annotation-spacing': 'error',
    '@typescript-eslint/unbound-method': 'error',
    '@typescript-eslint/unified-signatures': 'error',
    '@typescript-eslint/prefer-reduce-type-parameter': 'error',
    '@typescript-eslint/prefer-ts-expect-error': 'error',

    'valid-jsdoc': 'off',

    // Disallow unnecessary semicolons
    // https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-extra-semi.md
    'no-extra-semi': 'off',
    '@typescript-eslint/no-extra-semi': 'error',

    // TypeScript controls this better
    'no-undef': 'off',

    'camelcase': 'off',
    '@typescript-eslint/naming-convention': namingConventionOptions,
    '@typescript-eslint/ban-ts-comment': [
      'error',
      {
        'ts-ignore': true,
        'ts-nocheck': false,
        'ts-expect-error': { descriptionFormat: '^ TS\\d+: .+$' },
      },
    ],
  },
};