.eslintrc

{
  "extends": "eslint:recommended",
  "env": {
    "es6": true,
    "browser": true
  },
  "parserOptions": {
    "ecmaVersion": "latest",
    "sourceType": "module"
  },
  "plugins": ["require-sort"],
  "rules": {
    "require-sort/require-sort": "warn",
    "arrow-body-style": "warn",
    "arrow-spacing": ["warn", { "before": true, "after": true }],
    "brace-style": ["error", "1tbs", { "allowSingleLine": true }],
    "comma-dangle": ["error", "always-multiline"],
    "comma-spacing": "error",
    "comma-style": "error",
    "curly": ["error", "multi", "consistent"],
    "dot-location": ["error", "property"],
    "handle-callback-err": "off",
    "indent": ["warn", 2, { "SwitchCase": 1}],
    "key-spacing": ["warn", {
      "beforeColon": false,
      "afterColon": true,
      "mode": "strict",
      "align": {
          "beforeColon": true,
          "afterColon": true,
          "on": "colon"
        }
      }],
    "keyword-spacing": "error",
    "max-nested-callbacks": ["error", { "max": 4 }],
    "max-statements-per-line": ["error", { "max": 2 }],
    "no-console": "off",
    "no-constant-condition": ["error", { "checkLoops": false }],
    "no-empty-function": "error",
    "no-floating-decimal": "error",
    "no-inline-comments": "error",
    "no-irregular-whitespace": ["warn", { "skipTemplates": true }],
    "no-lonely-if": "error",
    "no-multi-spaces": "warn",
    "no-multiple-empty-lines": ["error", { "max": 2, "maxEOF": 1, "maxBOF": 0 }],
    "no-shadow": ["error", { "allow": ["err", "resolve", "reject"] }],
    "no-trailing-spaces": ["warn"],
    "no-unused-vars": ["off"],
    "no-var": "error",
    "object-curly-spacing": ["warn", "always"],
    "prefer-const": "error",
    "prefer-arrow-callback": "error",
    "quotes": ["warn", "double"],
    "require-await": "error",
    "semi": ["error", "always"],
    "space-before-blocks": "error",
    "space-before-function-paren": ["error", {
      "anonymous": "never",
      "named": "never",
      "asyncArrow": "always"
    }],
    "space-in-parens": "error",
    "space-infix-ops": "error",
    "space-unary-ops": "error",
    "spaced-comment": "error",
    "yoda": "error"
  }
}