.eslintrc.json

{
  "env": {
    "es6": true,
    "jasmine": true,
    "node": true,
    "browser": true,
    "jest": true
  },
  "parserOptions": {
    "ecmaVersion": 8,
    "sourceType": "module"
  },
  "rules": {
    "arrow-body-style": 2,
    "arrow-spacing": [1, {"before": true, "after": true}],
    "brace-style": 2,
    "camelcase": [2, {"properties": "never"}],
    "eol-last": 1,
    "eqeqeq": 2,
    "global-require": 2,
    "handle-callback-err": 2,
    "indent": [1, "tab", {"SwitchCase": 1}],
    "key-spacing": ["error", {"beforeColon": false, "afterColon": true}],
    "linebreak-style": [2, "unix"],
    "no-cond-assign": 2,
    "no-dupe-args": 2,
    "no-dupe-keys": 2,
    "no-duplicate-case": 2,
    "no-empty": 1,
    "no-empty-function": 2,
    "no-multiple-empty-lines": 1,
    "no-extra-parens": 2,
    "no-func-assign": 2,
    "no-irregular-whitespace": 2,
    "no-magic-numbers": [1, {"ignore": [-1, 0, 1]}],
    "no-multi-spaces": 1,
    "no-multi-str": 1,
    "no-unexpected-multiline": 2,
    "no-unreachable": 2,
    "no-self-assign": 2,
    "no-trailing-spaces": 1,
    "no-undef": 2,
    "no-unused-vars": "warn",
    "no-var": 2,
    "prefer-arrow-callback": 1,
    "prefer-const": 2,
    "prefer-template": 2,
    "quotes": [1, "single"],
    "semi": [1, "never"],
    "space-before-function-paren": [2, "never"],
    "strict": [2, "global"],
    "yoda": 2
  }
}