.eslintrc.js

// Copyright 2019 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

module.exports = {
  env: {
    browser: true,
    node: true,
    es6: true,
    jest: true
  },
  parser: "babel-eslint",
  extends: ["eslint:recommended", "plugin:react/recommended", "google"],
  globals: {
    Atomics: "readonly",
    SharedArrayBuffer: "readonly"
  },
  parserOptions: {
    ecmaFeatures: {
      jsx: true
    },
    ecmaVersion: 2018,
    sourceType: "module"
  },
  plugins: ["react"],
  rules: {
    "max-len": ["error", { code: 120 }],
    "no-invalid-this": ["off"]
  },
  settings: {
    react: {
      version: "detect"
    }
  }
};