.eslintrc.json

{
  "env": {
    "browser": true,
    "commonjs": true,
    "es2020": true
  },
  "extends": "eslint:recommended",
  "parserOptions": {
    "ecmaVersion": 2020,
    "sourceType": "module"
  },
  "rules": {
    "arrow-spacing": [
      "error",
      {
        "before": true,
        "after": true
      }
    ],
    "brace-style": [
      "error",
      "1tbs",
      {
        "allowSingleLine": true
      }
    ],
    "comma-dangle": [
      "error",
      "never"
    ],
    "comma-spacing": "error",
    "eqeqeq": [
      "error",
      "smart"
    ],
    "func-call-spacing": "error",
    "line-comment-position": "error",
    "prefer-const": "error",
    "prefer-destructuring": "error",
    "no-array-constructor": "error",
    "no-dupe-else-if": "error",
    "no-duplicate-imports": "error",
    "no-extra-semi": "error",
    "no-inline-comments": "error",
    "no-invalid-regexp": "error",
    "no-invalid-this": "error",
    "no-lonely-if": "error",
    "no-new": "error",
    "no-new-object": "error",
    "no-new-wrappers": "error",
    "no-return-await": "error",
    "no-self-compare": "error",
    "no-undef-init": "error",
    "no-unneeded-ternary": "error",
    "no-unreachable": "error",
    "no-useless-constructor": "error",
    "no-unused-vars": "off",
    "prefer-regex-literals": [
      "error",
      {
        "disallowRedundantWrapping": true
      }
    ],
    "prefer-spread": "error",
    "prefer-template": "error",
    "require-await": "error",
    "semi": "error",
    "semi-style": "error",
    "space-before-blocks": "error",
    "use-isnan": "error",
    "valid-typeof": "error",
    "quotes": [
      "error",
      "single",
      {
        "avoidEscape": true,
        "allowTemplateLiterals": true
      }
    ]
  }
}