.eslintrc

{
  "env": {
    "browser": true
  },
  "parserOptions": {
    "sourceType": "module",
    "ecmaVersion": 2018,
  },
  "extends": "eslint:recommended",
  "rules": {
    "no-constant-condition": [
      "error",
      {
        "checkLoops": false
      }
    ],
    "curly": "error",
    "eqeqeq": "error",
    "no-console": [
      "error",
      {
        "allow": [
          "assert",
          "error",
          "warn"
        ]
      }
    ],
    "no-else-return": "error",
    "no-extra-boolean-cast": "off",
    "no-fallthrough": "error",
    "no-invalid-this": "error",
    "no-multi-spaces": "error",
    "no-undef": "off",
    "no-unused-vars": [
      "error",
      {
        "vars": "local",
        "args": "none"
      }
    ],
    "array-bracket-spacing": "error",
    "block-spacing": "error",
    "brace-style": [
      "error",
      "1tbs",
      {
        "allowSingleLine": true
      }
    ],
    "comma-dangle": [
      "error",
      "always-multiline"
    ],
    "comma-spacing": "error",
    "comma-style": "error",
    "computed-property-spacing": "error",
    "eol-last": "error",
    "key-spacing": "error",
    "keyword-spacing": "error",
    "linebreak-style": "error",
    "max-len": "error",
    "new-cap": [
      "error",
      {
        "capIsNew": false
      }
    ],
    "new-parens": "error",
    "no-multiple-empty-lines": "error",
    "no-spaced-func": "error",
    "no-trailing-spaces": "error",
    "no-unneeded-ternary": "error",
    "no-whitespace-before-property": "error",
    "object-curly-spacing": "error",
    "object-property-newline": [
      "error",
      {
        "allowMultiplePropertiesPerLine": true
      }
    ],
    "one-var-declaration-per-line": "error",
    "operator-linebreak": [
      "error",
      "after",
      {
        "overrides": {
          "?": "ignore",
          ":": "ignore"
        }
      }
    ],
    "quotes": [
      "error",
      "single"
    ],
    "semi-spacing": "error",
    "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",
    "arrow-body-style": [
      "error",
      "as-needed"
    ],
    "arrow-parens": [
      "error",
      "as-needed"
    ],
    "arrow-spacing": "error",
    "generator-star-spacing": "error",
    "no-useless-computed-key": "error",
    "no-useless-constructor": "error",
    "no-var": "error",
    "prefer-arrow-callback": "error",
    "prefer-template": "error",
    "rest-spread-spacing": "error",
    "template-curly-spacing": "error",
    "yield-star-spacing": "error"
  }
}