.eslintrc.json

{
  "extends": "eslint:recommended",
  "parserOptions": {
    "ecmaVersion": 5,
    "sourceType": "script"
  },
  "rules": {
    "array-bracket-spacing" : "warn",
    "block-spacing": "warn",
    "brace-style": ["warn", "1tbs", {
        "allowSingleLine": true
    }],
    "camelcase": "warn",
    "comma-spacing": "warn",
    "computed-property-spacing" : ["warn", "never", {
        "enforceForClassMembers": true
    }],
    "dot-location": "warn",
    "eqeqeq": ["error", "always"],
    "func-style": ["error", "expression", {
        "allowArrowFunctions": true
    }],
    "indent": ["warn", 4],
    "key-spacing": "warn",
    "keyword-spacing": "warn",
    "linebreak-style": ["warn", "unix"],
    "no-trailing-spaces": "warn",
    "no-unneeded-ternary": ["warn", {
        "defaultAssignment": false
    }],
    "no-unused-vars": ["error", {
        "argsIgnorePattern": "^_"
    }],
    "object-curly-newline" : ["warn", {
        "consistent": true,
        "multiline": true
    }],
    "object-curly-spacing" : "warn",
    "quotes": ["warn", "double"],
    "require-atomic-updates": "error",
    "semi": "warn",
    "semi-spacing": "warn",
    "space-before-blocks": ["warn", "always"],
    "space-before-function-paren": ["warn", "never"],
    "space-in-parens": "warn"
  },
  "globals": {
    "console": "writable",
    "svg": "writable",
    "print": "readonly"
  }
}