.eslintrc.js

module.exports = {
  env: {
    browser: true,
    es6: true,
    node: true,
  },
  extends: [
    'eslint:recommended',
    'plugin:react/recommended',
    'plugin:redux-saga/recommended',
    'plugin:import/errors',
    'plugin:import/warnings',
  ],
  parserOptions: {
    ecmaFeatures: {
      experimentalObjectRestSpread: true,
      jsx: true,
    },
    sourceType: 'module',
  },
  plugins: ['react', 'redux-saga', 'import'],
  rules: {
    indent: [
      'error',
      2,
      {
        SwitchCase: 1,
        VariableDeclarator: {
          var: 2,
          let: 2,
          const: 3,
        },
      },
    ],
    'linebreak-style': ['error', 'unix'],
    quotes: ['error', 'single'],
    semi: ['error', 'never'],
    'array-callback-return': ['error'],
    'block-scoped-var': ['error'],
    'consistent-return': ['error'],
    eqeqeq: ['error'],
    'no-eval': ['error'],
    'no-implicit-globals': ['error'],
    'no-multi-spaces': ['error'],
    'no-new': ['error'],
    'no-new-func': ['error'],
    'no-new-wrappers': ['error'],
    'no-return-assign': ['error'],
    'no-sequences': ['error'],
    'no-unmodified-loop-condition': ['error'],
    'no-warning-comments': ['error'],
    'no-use-before-define': ['error'],
    'brace-style': ['error'],
    camelcase: ['error'],
    'comma-dangle': ['error', 'always-multiline'],
    'comma-style': ['error', 'last'],
    'func-style': ['error', 'expression', {allowArrowFunctions: true}],
    'newline-per-chained-call': ['error'],
    'no-trailing-spaces': ['error'],
    'arrow-parens': ['error'],
    'arrow-spacing': ['error'],
    'generator-star-spacing': ['error', {before: false, after: false}],
    'no-var': ['error'],
    'prefer-const': ['error'],
    'prefer-arrow-callback': ['error'],
    'prefer-rest-params': ['error'],
    'prefer-spread': ['error'],
    'no-unused-vars': ['error', {argsIgnorePattern: '^_$'}],
    'react/prop-types': 'off',
    'redux-saga/no-unhandled-errors': 'off',

    'import/namespace': ['error'],
  },
}