.eslintrc.js

module.exports = {
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaVersion: 2020,
    sourceType: 'module',
  },
  env: {
    node: true,
  },
  plugins: ['@typescript-eslint', 'prettier'],
  ignorePatterns: ['migrations/'],
  extends: ['eslint:recommended', 'plugin:@typescript-eslint/recommended', 'prettier'],
  rules: {
    'no-undef': ['error', { typeof: true }],
    'no-unused-vars': 'off',
    '@typescript-eslint/no-unused-vars': [
      'error',
      {
        varsIgnorePattern: '^_',
        argsIgnorePattern: '^_',
      },
    ],
    'no-use-before-define': 'error',

    quotes: [2, 'single', { avoidEscape: true }],
    semi: ['error', 'always'],
    indent: 'off',
    'linebreak-style': ['error', 'unix'],
    'no-extra-semi': 'error',
    'max-len': ['error', { code: 120, ignorePattern: '^(import\\s.+from\\s.+;?)|(export\\s.+;?)$' }],
    'padding-line-between-statements': [
      'error',
      { blankLine: 'always', prev: '*', next: 'function' },
      { blankLine: 'always', prev: 'function', next: '*' },
      { blankLine: 'always', prev: 'export', next: '*' },
      { blankLine: 'always', prev: '*', next: 'export' },
    ],
    '@typescript-eslint/no-inferrable-types': [
      'error',
      {
        ignoreParameters: true,
        ignoreProperties: true,
      },
    ],
    '@typescript-eslint/explicit-module-boundary-types': 'off',
    '@typescript-eslint/no-explicit-any': 'off',
    '@typescript-eslint/no-empty-function': 'off',
    '@typescript-eslint/no-var-requires': 'off',
    '@typescript-eslint/quotes': [
      'error',
      'single',
      {
        allowTemplateLiterals: true,
      },
    ],
    '@typescript-eslint/no-extra-semi': 'error',
  },
};