.eslintrc.js

module.exports = {
  env: {
    browser: true,
    es6: true,
    node: true
  },
  parser: '@typescript-eslint/parser',
  extends: [
    'eslint:recommended',
    'plugin:@typescript-eslint/recommended',
    'plugin:prettier/recommended',
    'prettier/@typescript-eslint'
  ],
  parserOptions: {
    ecmaVersion: 2018,
    sourceType: 'module'
  },
  settings: {
    react: {
      version: 'detect'
    }
  },
  globals: {
    // jest
    describe: 'readonly',
    it: 'readonly',
    jest: 'readonly',
    expect: 'readonly',
    afterAll: 'readonly',
    beforeAll: 'readonly',
    // ts
  },
  rules: {
    '@typescript-eslint/explicit-function-return-type': 'off',
    '@typescript-eslint/no-empty-interface': 'off',
    '@typescript-eslint/interface-name-prefix': 'off',
    '@typescript-eslint/no-explicit-any': 'off',
    '@typescript-eslint/no-use-before-define': ['error', { functions: false }],
    '@typescript-eslint/no-unused-vars': 'warn',
    'no-console': 'warn',
    'react/display-name': 'off',
    "@typescript-eslint/no-non-null-assertion": "warn"
  }
};