.eslintrc.json

{
  "env": {
    "browser": true,
    "es2023": true
  },
  "parserOptions": {
    "sourceType": "module"
  },
  "rules": {
    "array-bracket-spacing": ["warn", "never"],
    "array-callback-return": "warn",
    "arrow-spacing": "warn",
    "comma-dangle": "off",
    "comma-style": "warn",
    "computed-property-spacing": "warn",
    "constructor-super": "error",
    "default-param-last": "warn",
    "dot-location": ["warn", "property"],
    "eol-last": ["error", "always"],
    "eqeqeq": ["warn", "smart"],
    "func-call-spacing": "warn",
    "func-names": ["warn", "never"],
    "getter-return": ["warn", { "allowImplicit": true }],
    "lines-between-class-members": "off",
    "new-parens": ["warn", "always"],
    "no-alert": "warn",
    "no-array-constructor": "warn",
    "no-class-assign": "warn",
    "no-compare-neg-zero": "warn",
    "no-cond-assign": "warn",
    "no-const-assign": "error",
    "no-constant-condition": "warn",
    "no-constructor-return": "warn",
    "no-delete-var": "warn",
    "no-dupe-args": "warn",
    "no-dupe-class-members": "warn",
    "no-dupe-keys": "warn",
    "no-duplicate-case": "warn",
    "no-duplicate-imports": ["warn", {"includeExports": true}],
    "no-empty": ["warn", {"allowEmptyCatch": true}],
    "no-empty-character-class": "warn",
    "no-empty-pattern": "warn",
    "no-func-assign": "warn",
    "no-global-assign": "warn",
    "no-implicit-coercion": ["warn", {"allow": ["!!"]}],
    "no-implied-eval": "warn",
    "no-import-assign": "warn",
    "no-invalid-regexp": "warn",
    "no-irregular-whitespace": "warn",
    "no-iterator": "warn",
    "no-lone-blocks": "warn",
    "no-lonely-if": "warn",
    "no-misleading-character-class": "warn",
    "no-mixed-operators": "warn",
    "no-multi-str": "warn",
    "no-multiple-empty-lines": "warn",
    "no-new-func": "warn",
    "no-new-object": "warn",
    "no-new-symbol": "warn",
    "no-new-wrappers": "warn",
    "no-nonoctal-decimal-escape": "warn",
    "no-obj-calls": "warn",
    "no-octal": "warn",
    "no-octal-escape": "warn",
    "no-promise-executor-return": "warn",
    "no-proto": "warn",
    "no-regex-spaces": "warn",
    "no-script-url": "warn",
    "no-self-assign": "warn",
    "no-self-compare": "warn",
    "no-setter-return": "warn",
    "no-sequences": "warn",
    "no-template-curly-in-string": "warn",
    "no-this-before-super": "error",
    "no-unexpected-multiline": "warn",
    "no-unmodified-loop-condition": "warn",
    "no-unneeded-ternary": "warn",
    "no-unreachable": "warn",
    "no-unreachable-loop": "warn",
    "no-unsafe-negation": ["warn", {"enforceForOrderingRelations":  true}],
    "no-unsafe-optional-chaining": ["warn", {"disallowArithmeticOperators":  true}],
    "no-unused-expressions": "warn",
    "no-useless-backreference": "warn",
    "no-useless-call": "off",
    "no-useless-catch": "warn",
    "no-useless-computed-key": ["warn", {"enforceForClassMembers": true}],
    "no-useless-concat": "warn",
    "no-useless-constructor": "warn",
    "no-useless-rename": "warn",
    "no-useless-return": "warn",
    "no-var": "warn",
    "no-void": "warn",
    "no-whitespace-before-property": "warn",
    "prefer-numeric-literals": "warn",
    "prefer-object-spread": "warn",
    "prefer-regex-literals": "warn",
    "prefer-spread": "warn",
    "rest-spread-spacing": ["warn", "never"],
    "semi-spacing": "warn",
    "semi-style": ["warn", "last"],
    "space-unary-ops": ["warn", {"words": true, "nonwords": false}],
    "switch-colon-spacing": "warn",
    "symbol-description": "warn",
    "template-curly-spacing": ["warn", "never"],
    "unicode-bom": ["warn", "never"],
    "use-isnan": ["warn", {"enforceForSwitchCase": true, "enforceForIndexOf": true}],
    "valid-typeof": ["warn", {"requireStringLiterals": true}],
    "wrap-iife": ["warn", "inside"],

    "arrow-parens": ["warn", "as-needed", {"requireForBlockBody": false}],
    "capitalized-comments": "off",
    "comma-spacing": "warn",
    "dot-notation": "warn",
    "indent": ["warn", 4, {"SwitchCase": 1}],
    "key-spacing": "warn",
    "keyword-spacing": ["warn", {"overrides": {"catch": {"before": true, "after": true}}}],
    "max-len": ["warn", {
      "code": 120,
      "ignoreTrailingComments": true,
      "ignoreUrls": true,
      "ignoreStrings": true,
      "ignoreTemplateLiterals": true
    }],
    "no-extra-boolean-cast": ["warn", {"enforceForLogicalOperands": true}],
    "no-extra-semi": "warn",
    "no-multi-spaces": ["warn", {"ignoreEOLComments": true}],
    "no-tabs": "warn",
    "no-throw-literal": "error",
    "no-trailing-spaces": "warn",
    "no-useless-escape": "warn",
    "no-unused-vars": ["warn", {"args": "none"}],
    "nonblock-statement-body-position": ["warn", "beside"],
    "one-var": ["warn", "never"],
    "operator-linebreak": ["warn", "before", {
      "overrides": {"=": "after", "+=": "after", "-=": "after"}
    }],
    "prefer-template": "warn",
    "quote-props": ["warn", "as-needed", {"keywords": false}],
    "quotes": ["warn", "single", {"avoidEscape": true, "allowTemplateLiterals": false}],
    "semi": "warn",
    "space-before-blocks": ["warn", "always"],
    "space-before-function-paren": ["warn", {
      "anonymous": "never",
      "named": "never",
      "asyncArrow": "always"
    }],
    "spaced-comment": "warn"
  }
}