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Error starting eslint when using the object option in the no-extra-boolean-cast rule

See original GitHub issue


Node version: v14.18.3 npm version: 6.14.15 Local ESLint version: 8.16.0 Global ESLint version: - Operating System: macOS Monterey 12.4

What parser are you using?

Default (Espree)

What did you do?

  "extends": [
  "plugins": [
  "ignorePatterns": [
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "project": "./tsconfig.json"
  "rules": {
    "@typescript-eslint/brace-style": "warn",
    "@typescript-eslint/comma-spacing": "warn",
    "@typescript-eslint/default-param-last": "warn",
    "@typescript-eslint/dot-notation": "warn",
    "@typescript-eslint/func-call-spacing": "warn",
    "@typescript-eslint/keyword-spacing": "warn",
    "@typescript-eslint/no-array-constructor": "warn",
    "@typescript-eslint/no-dupe-class-members": "warn",
    "@typescript-eslint/no-unused-vars": "warn",
    "@typescript-eslint/no-useless-constructor": "warn",
    "@typescript-eslint/quotes": [
        "avoidEscape": true
    "array-bracket-spacing": [
    "array-callback-return": "warn",
    "arrow-body-style": "warn",
    "arrow-parens": "warn",
    "arrow-spacing": "warn",
    "block-spacing": [
    "comma-dangle": [
        "arrays": "always-multiline",
        "objects": "always-multiline",
        "exports": "always-multiline",
        "imports": "always-multiline",
        "functions": "never"
    "comma-style": "warn",
    "computed-property-spacing": "warn",
    "eol-last": "warn",
    "eqeqeq": "warn",
    "import/first": "warn",
    "import/no-duplicates": "warn",
    "import/no-mutable-exports": "warn",
    "import/no-cycle": "error",
    "key-spacing": "warn",
    "newline-before-return": "warn",
    "no-else-return": "warn",
    "no-eval": "warn",
    "no-extra-boolean-cast": ["warn", {"enforceForLogicalOperands": true}],
    "no-iterator": "warn",
    "no-mixed-operators": "warn",
    "no-multi-assign": "warn",
    "no-multiple-empty-lines": "warn",
    "no-nested-ternary": "warn",
    "no-new-func": "warn",
    "no-new-object": "warn",
    "no-new-wrappers": "warn",
    "no-param-reassign": "warn",
    "no-plusplus": "warn",
    "no-prototype-builtins": "warn",
    "no-restricted-globals": "warn",
    "no-restricted-properties": "warn",
    "no-restricted-syntax": "warn",
    "no-trailing-spaces": "warn",
    "no-undef": "warn",
    "no-unneeded-ternary": "warn",
    "no-useless-escape": "warn",
    "no-use-before-define": [
        "functions": true,
        "classes": true,
        "variables": true
    "no-var": "warn",
    "no-whitespace-before-property": "warn",
    "nonblock-statement-body-position": [
    "object-curly-spacing": [
    "object-shorthand": "warn",
    "padded-blocks": [
    "prefer-arrow-callback": "warn",
    "prefer-const": "warn",
    "prefer-object-spread": "warn",
    "prefer-rest-params": "warn",
    "prefer-spread": "warn",
    "prefer-template": "warn",
    "quote-props": [
        "keywords": false,
        "unnecessary": true,
        "numbers": false
    "react/jsx-no-literals": [
        "noStrings": false,
        "ignoreProps": true,
        "noAttributeStrings": false
    "space-before-blocks": "warn",
    "space-in-parens": "warn",
    "space-infix-ops": "warn",
    "spaced-comment": "warn",
    "template-curly-spacing": [
    "yoda": "warn"
  "overrides": [
      "files": [
      "rules": {
        "constructor-super": "off",
        "getter-return": "off",
        "no-const-assign": "off",
        "no-dupe-args": "off",
        "no-dupe-class-members": "off",
        "no-dupe-keys": "off",
        "no-func-assign": "off",
        "no-new-symbol": "off",
        "no-obj-calls": "off",
        "no-redeclare": "off",
        "no-this-before-super": "off",
        "no-undef": "off",
        "no-unreachable": "off",
        "no-unsafe-negation": "off",
        "valid-typeof": "off",
        "import/named": "off",
        "import/no-unresolved": "off"
      "files": [
      "excludedFiles": [
      "rules": {
        "sort-keys-fix/sort-keys-fix": "warn"

<!-- Paste your code here -->

What did you expect to happen?

ESLint is running, the object option is working

What actually happened?


eslint ./src --ext .js,.jsx,.ts,.tsx

Error: .eslintrc.json: Configuration for rule “no-extra-boolean-cast” is invalid: Value [{“enforceForLogicalOperands”:true}] should NOT have more than 0 items.

at validateRuleOptions (/Users/maksim/Projects/lms/frontend/lms/node_modules/eslint/lib/shared/config-validator.js:138:19)
at /Users/maksim/Projects/lms/frontend/lms/node_modules/eslint/lib/shared/config-validator.js:193:9
at Array.forEach (<anonymous>)
at validateRules (/Users/maksim/Projects/lms/frontend/lms/node_modules/eslint/lib/shared/config-validator.js:190:30)
at validateConfigArray (/Users/maksim/Projects/lms/frontend/lms/node_modules/eslint/lib/shared/config-validator.js:337:9)
at CascadingConfigArrayFactory._finalizeConfigArray (/Users/maksim/Projects/lms/frontend/lms/node_modules/eslint/lib/cli-engine/cascading-config-array-factory.js:417:13)
at CascadingConfigArrayFactory.getConfigArrayForFile (/Users/maksim/Projects/lms/frontend/lms/node_modules/eslint/lib/cli-engine/cascading-config-array-factory.js:271:21)
at FileEnumerator._iterateFilesRecursive (/Users/maksim/Projects/lms/frontend/lms/node_modules/eslint/lib/cli-engine/file-enumerator.js:396:49)
at (<anonymous>)
at FileEnumerator.iterateFiles (/Users/maksim/Projects/lms/frontend/lms/node_modules/eslint/lib/cli-engine/file-enumerator.js:251:49)

npm ERR! code ELIFECYCLE npm ERR! errno 2 npm ERR! lms@0.1.0 lint: eslint ./src --ext .js,.jsx,.ts,.tsx npm ERR! Exit status 2 npm ERR! npm ERR! Failed at the lms@0.1.0 lint script. npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in: npm ERR! /Users/maksim/.npm/_logs/2022-06-02T10_41_20_905Z-debug.log


  • I am willing to submit a pull request for this issue.

Additional comments

No response

Issue Analytics

  • State:closed
  • Created a year ago
  • Comments:9 (4 by maintainers)

github_iconTop GitHub Comments

mdjermanoviccommented, Jun 3, 2022

The enforceForLogicalOperands option was added in ESLint v7.0.0, so you can only use this option with ESLint >= 7.

ESLint < 7 will throw a configuration error, as in the original post. Since you have ESLint v6.8.0, this is the expected behavior.

mvshvetscommented, Jun 3, 2022

Thank you for helping me figure it out

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