.eslintrc.js

module.exports = {
  root: true,
  env: {
    browser: true,
    node: true,
    es6: true
  },
  parserOptions: {
    parser: 'babel-eslint',
    "parserOptions": {
      "ecmaVersion": 6,
      "sourceType": "module",
      "ecmaFeatures": {
          "jsx": true,
          "modules": true,
          "experimentalObjectRestSpread": true
      }
  },
  extends: [
    'plugin:prettier/recommended',
    "eslint:recommended",
    'google',
    'standard'
  ],
  plugins: [
    'prettier',
    'markdown'
  ],
  // add your custom rules here
  rules: {
    'no-underscore-dangle': 0,
    'import/imports-first': ['error', 'absolute-first'],
    'import/newline-after-import': 'error',
    'prettier/prettier': [
      'error',
      {
        endOfLine: 'auto'
      }
    ],
    "no-console": process.env.NODE_ENV === "production" ? "error" : "off",
    "no-debugger": process.env.NODE_ENV === "production" ? "error" : "off"
  },
  globals: {
    window: true,
    document: true,
    localStorage: true,
    FormData: true,
    FileReader: true,
    Blob: true,
    navigator: true,
    Atomics: "readonly",
    SharedArrayBuffer: "readonly"
  }
}