.eslintrc

{
  "env": {
    "node": true,
    "browser": true
  },
  // Parser
  "parser": "babel-eslint",
  "parserOptions": {
    // ECMA Features
    "ecmaFeatures": {
      "arrowFunctions": true,
      "blockBindings": true,
      "classes": true,
      "defaultParams": true,
      "destructuring": true,
      "modules": true,
      "objectLiteralComputedProperties": true,
      "templateStrings": true,
      "jsx": true
    }
  },
  "plugins": [
    "react"
  ],
  "extends": [
    "eslint:recommended",
    "plugin:react/recommended",
    "plugin:import/errors",
    "plugin:import/warnings"
  ],
  "rules": {
    "react/prop-types": [2, { "ignore": ["children", "route", "previousRoute"] }],
    // Possible Errors
    "no-dupe-args": 2,
    "no-dupe-keys": 2,
    "no-empty": 2,
    "no-func-assign": 2,
    "no-inner-declarations": 2,
    "no-unreachable": 2,
    "no-unexpected-multiline": 2,
    // Best practices
    "consistent-return": 0,
    "curly": [2, "multi-line"],
    "eqeqeq": 2,
    "no-else-return": 2,
    "no-multi-spaces": 0,
    "no-console":0,
    // Strict mode
    "strict": 0,
    // Variables
    "no-shadow": 0,
    "no-unused-vars": [1, { "args": "none" }],
    "no-use-before-define": 0,
    // Style
    "brace-style": [1, "stroustrup"],
    "comma-spacing": [2, {"before": false, "after": true}],
    "comma-style": [2, "last"],
    "consistent-this":  [2, "that"],
    "lines-around-comment": [2, {"allowBlockStart": true}],
    "key-spacing": 0,
    "new-parens": 0,
    "quotes": [2, "single", "avoid-escape"],
    "no-underscore-dangle": 0,
    "no-unneeded-ternary": 2,
    "semi": 2,
    // ES6
    "no-var": 2,
    "no-this-before-super": 2,
    "object-shorthand": 0
  }
}