.eslintrc.js

module.exports = {
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaVersion: 2020,
    sourceType: 'module',
    ecmaFeatures: {
      jsx: true,
    },
  },
  settings: {
    react: {
      version: '^16.13.1',
    },
  },
  extends: [
    'plugin:react/recommended',
    'plugin:@typescript-eslint/recommended',
    'prettier/@typescript-eslint',
    'plugin:prettier/recommended',
  ],
  rules: {
    'max-lines-per-function': [
      'error',
      {
        max: 100,
        skipBlankLines: true,
        skipComments: true,
      },
    ],
    'max-lines': [
      'error',
      {
        max: 300,
        skipBlankLines: true,
        skipComments: true,
      },
    ],
    'max-nested-callbacks': ['error', { max: 4 }],
    'max-params': ['error', { max: 6 }],
    'max-depth': ['error', { max: 5 }],
    '@typescript-eslint/ban-types': 0,
    '@typescript-eslint/explicit-module-boundary-types': 0,
    '@typescript-eslint/no-non-null-assertion': 0,
    'react-hooks/exhaustive-deps': 0,
    'react/react-in-jsx-scope': 0,
    '@typescript-eslint/no-unused-vars': [
      'warn',
      {
        varsIgnorePattern: '^createElement$',
      },
    ],
  },
};