.eslintrc

{
  "extends": "eslint:recommended",
  "parserOptions": {
    "ecmaVersion": 2018
  },
  "env": {
    "node": true,
    "es6": true,
    "mocha": true
  },
  "globals": {
    "Promise": true
  },
  "rules": {
    "quotes": [2, "single", "avoid-escape"],
    "strict": [0, "never"],
    "camelcase": 0,
    "no-underscore-dangle": 0,
    "new-cap": 0,
    "comma-dangle": 0,
    "comma-spacing": 2,
    "consistent-return": 2,
    "curly": [2, "all"],
    "dot-notation": [2, { "allowKeywords": true }],
    "eol-last": 2,
    "eqeqeq": [2, "smart"],
    "key-spacing": [2, { "beforeColon": false, "afterColon": true }],
    "new-parens": 2,
    "no-alert": 2,
    "no-array-constructor": 2,
    "no-caller": 2,
    "no-console": 0,
    "no-delete-var": 2,
    "no-labels": 2,
    "no-eval": 2,
    "no-extend-native": 2,
    "no-extra-bind": 2,
    "no-fallthrough": 2,
    "no-implied-eval": 2,
    "no-iterator": 2,
    "no-label-var": 2,
    "no-lone-blocks": 2,
    "no-loop-func": 2,
    "no-mixed-spaces-and-tabs": [2, false],
    "no-multi-spaces": 2,
    "no-multi-str": 2,
    "no-native-reassign": 2,
    "no-new": 2,
    "no-new-func": 2,
    "no-new-object": 2,
    "no-new-wrappers": 2,
    "no-octal": 2,
    "no-octal-escape": 2,
    "no-process-exit": 2,
    "no-proto": 2,
    "no-redeclare": 2,
    "no-return-assign": 2,
    "no-script-url": 2,
    "no-sequences": 2,
    "no-shadow": 2,
    "no-shadow-restricted-names": 2,
    "no-spaced-func": 2,
    "no-trailing-spaces": 2,
    "no-undef": 2,
    "no-undef-init": 2,
    "no-unused-expressions": 2,
    "no-unused-vars": [2, { "vars": "all", "args": "after-used" }],
    "no-use-before-define": 2,
    "no-with": 2,
    "semi": 2,
    "semi-spacing": [2, { "before": false, "after": true }],
    "space-infix-ops": 2,
    "space-unary-ops": [2, { "words": true, "nonwords": false }],
    "yoda": [2, "never"]
  }
}