.eslintrc.json

{
  "root": true,
  "env": {
    "node": true
  },
  "ecmaFeatures": {
    "modules": true,
    "classes": true,
    "arrowFunctions": true,
    "blockBindings": true,
    "forOf": true,
    "destructuring": true,
    "defaultParams": true,
    "objectLiteralComputedProperties": true,
    "objectLiteralShorthandMethods": true,
    "objectLiteralShorthandProperties": true,
    "jsx": false,
    "templateStrings": true,
    "destructuring": true,
    "defaultParams": true,
    "spread": true,
    "restParams": true
  },
  "extends": "eslint:recommended",
  "plugins": [],
  "rules": {
    "strict": 0,
    "no-console": 0,

    "arrow-body-style": [ 2, "as-needed" ],
    "arrow-parens": [ 2, "as-needed" ],
    "brace-style": [ 2, "1tbs", { "allowSingleLine": true } ],
    "comma-dangle": [ 2, "always-multiline" ],
    "consistent-this": [ 1, "that" ],
    "constructor-super": 2,
    "eol-last": 2,
    "handle-callback-err": [ 2, "^(err|.+Err(or)?)$" ],
    "indent": [ 2, 2, { "SwitchCase": 1 } ],
    "no-class-assign": 2,
    "no-const-assign": 2,
    "no-dupe-class-members": 2,
    "no-multiple-empty-lines": [ 2, { "max": 1 } ],
    "no-path-concat": 2,
    "no-shadow-restricted-names": 2,
    "no-this-before-super": 2,
    "no-throw-literal": 2,
    "no-trailing-spaces": [ 2, { "skipBlankLines": false } ],
    "no-underscore-dangle": 0,
    "no-unexpected-multiline": 2,
    "no-unused-vars": [ 2, { "vars": "all", "args": "none" } ],
    "no-use-before-define": [ 2, "nofunc" ],
    "no-var": 2,
    "object-curly-spacing": [ 2, "always" ],
    "prefer-arrow-callback": 2,
    "prefer-const": 2,
    "prefer-template": 2,
    "quotes": [ 2, "single", "avoid-escape" ],
    "semi": 2,
    "space-after-keywords": [ 2, "always" ]
  }
}