.eslintrc.js

module.exports = {
  extends: ['eslint:recommended', 'plugin:@typescript-eslint/recommended', 'react-app', 'prettier'],
  plugins: ['@typescript-eslint', 'simple-import-sort'],
  rules: {
    'no-shadow': 'error',
    'react/self-closing-comp': ['error', { component: true, html: true }],
    'react/jsx-boolean-value': 'error',
    '@typescript-eslint/explicit-member-accessibility': 'error',
    'simple-import-sort/imports': 'error',
    'import/first': 'warn',
    'import/newline-after-import': 'warn',
    'import/no-duplicates': 'warn',
    'import/no-webpack-loader-syntax': 'warn',
    '@typescript-eslint/no-unused-vars': 'error',
    '@typescript-eslint/explicit-function-return-type': 'off',
  },
  overrides: [
    {
      files: ['*.{jsx,tsx}'],
      rules: {
        '@typescript-eslint/explicit-function-return-type': 'off',
      },
    },
  ],
  settings: {
    react: {
      version: '999.999.999',
    },
  },
}