.eslintrc.js

const path = require("path");

module.exports = {
  "env": {
    "browser": true,
    "es6": true
  },
  "extends": "airbnb",
  "parserOptions": {
    "ecmaFeatures": {
      "experimentalObjectRestSpread": true,
      "jsx": true
    },
    "sourceType": "module"
  },
  "plugins": [
    "react"
  ],
  "parser": "babel-eslint",
  "rules": {
    "indent": [
      "error",
      2
    ],
    "linebreak-style": [
      "error",
      "unix"
    ],
    "quotes": [
      "error",
      "double"
    ],
    "no-underscore-dangle": [
      "error", 
      { "allow": ["_id"] }
    ],
    "semi": [
      "error",
      "always"
    ],
    "no-console": [
      "error",
      { allow: ["warn", "error"] }
    ],
    "react/jsx-filename-extension": [1, { "extensions": [".js", ".jsx"] }]
  },
  "settings": {
    "import/resolver": {
      "alias": [
        ["~", path.resolve(__dirname)]
      ]
    }
  }
}