.eslintrc.js

const error = 2;
const warn = 1;
const ignore = 0;

module.exports = {
  root: true,
  extends: ['eslint-config-airbnb', 'plugin:jest/recommended', 'prettier'],
  plugins: ['prettier', 'jest', 'react', 'json'],
  parser: 'babel-eslint',
  parserOptions: {
    sourceType: 'module',
  },
  env: {
    es6: true,
    node: true,
    'jest/globals': true,
  },
  rules: {
    strict: [error, 'never'],
    'prettier/prettier': [
      warn,
      {
        printWidth: 100,
        tabWidth: 2,
        bracketSpacing: true,
        trailingComma: 'es5',
        singleQuote: true,
      },
    ],
    quotes: [warn, 'single', { avoidEscape: true }],
    'arrow-parens': [warn, 'as-needed'],
    // 'space-before-function-paren': ignore,
    'import/no-unresolved': warn,
    'import/prefer-default-export': ignore,
    'import/no-extraneous-dependencies': ignore,
    'react/prop-types': ignore,
    'react/jsx-uses-react': error,
    'react/jsx-uses-vars': error,
    'react/react-in-jsx-scope': error,
    'react/jsx-filename-extension': [
      warn,
      {
        extensions: ['.js', '.jsx'],
      },
    ],
    'jsx-a11y/anchor-is-valid': ['warn', { aspects: ['invalidHref'] }],
  },
};