.eslintrc.json

{
  "env": {
    "browser": true
  },
  "plugins": ["prettier"],
  "extends": ["prettier"],
  "parserOptions": {
    "ecmaVersion": 2015,
    "sourceType": "module"
  },
  "rules": {
    "curly": 2,
    "dot-notation": 2,
    "id-length": 2,
    "no-const-assign": 2,
    "no-dupe-class-members": 2,
    "no-else-return": 2,
    "no-inner-declarations": 2,
    "no-lonely-if": 2,
    "no-magic-numbers": [
      2,
      {
        "ignore": [-1, 0, 1]
      }
    ],
    "no-shadow": 2,
    "no-unneeded-ternary": 2,
    "no-unused-expressions": 2,
    "no-unused-vars": [
      2,
      {
        "args": "none"
      }
    ],
    "no-useless-return": 2,
    "no-var": 2,
    "one-var": [2, "never"],
    "prefer-arrow-callback": 2,
    "prefer-const": 2,
    "prefer-promise-reject-errors": 2,
    "prettier/prettier": 2,
    "sort-imports": 2,
    "sort-keys": [
      2,
      "asc",
      {
        "caseSensitive": true,
        "natural": true
      }
    ],
    "sort-vars": 2,
    "strict": [2, "global"]
  }
}