.eslintrc.js

module.exports = {
  env: {
    commonjs: true,
    es6: true,
    jest: true,
    node: true,
  },
  extends: [
    'eslint:all',
    'plugin:@typescript-eslint/all',
    'plugin:import/errors',
    'plugin:import/warnings',
    'plugin:import/typescript',
    'plugin:jest/all',
    'plugin:node/recommended',
    'plugin:promise/recommended',
    'standard-with-typescript',
  ],
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaVersion: 2020,
    project: 'tsconfig.eslint.json',
  },
  plugins: [
    '@typescript-eslint',
    'import',
    'jest',
    'node',
    'promise',
    'standard',
  ],
  root: true,
  rules: {
    '@typescript-eslint/comma-dangle': ['error', 'always-multiline'],
    '@typescript-eslint/indent': ['error', 2],
    '@typescript-eslint/no-magic-numbers': ['off'],
    '@typescript-eslint/no-shadow': ['off'],
    '@typescript-eslint/no-type-alias': ['off'],
    '@typescript-eslint/prefer-enum-initializers': ['off'],
    '@typescript-eslint/prefer-readonly-parameter-types': ['off'],
    '@typescript-eslint/quotes': ['error', 'single'],
    '@typescript-eslint/semi': ['error', 'always'],
    'array-bracket-newline': ['error', 'consistent'],
    'array-element-newline': ['error', 'consistent'],
    'comma-dangle': ['error', 'always-multiline'],
    'consistent-return': ['off'],
    'func-style': ['off'],
    'function-call-argument-newline': ['error', 'consistent'],
    'function-paren-newline': ['error', 'consistent'],
    'max-len': ['error', 120],
    'max-lines-per-function': ['off'],
    'max-statements': ['off'],
    'multiline-comment-style': ['error', 'separate-lines'],
    'multiline-ternary': ['error', 'always-multiline'],
    'no-ternary': ['off'],
    'node/no-missing-import': ['error', { tryExtensions: ['.ts'] }],
    'node/no-unsupported-features/es-syntax': ['error', { ignores: ['modules'] }],
    semi: ['error', 'always'],
  },
};