@igorkowalczyk/eslint-config NPM

ESLint config

📥 Installation

npm install --save-dev @igorkowalczyk/eslint-config
yarn add --dev @igorkowalczyk/eslint-config
pnpm install --save-dev @igorkowalczyk/eslint-config

🔩 Usage

!IMPORTANT Starting from version 2.0.0 this package now includes both legacy and flat configs. This is breaking change, so please update your config files accordingly.

Legacy config:

// .eslintrc.js
module.exports = {
 extends: ["@igorkowalczyk/eslint-config/legacy"],
};

Flat config:

// eslint.config.js
import eslintConfig from "@igorkowalczyk/eslint-config/flat";

export default [
 ...eslintConfig
];

⚙️ Rules overview

Rule	Style	Type	Documentation
`constructor-super`	Error	`🚫 Error`	Documentation
`for-direction`	Error	`🚫 Error`	Documentation
`getter-return`	Error	`🚫 Error`	Documentation
`no-async-promise-executor`	Error	`🚫 Error`	Documentation
`no-case-declarations`	Error	`🚫 Error`	Documentation
`no-class-assign`	Error	`🚫 Error`	Documentation
`no-compare-neg-zero`	Error	`🚫 Error`	Documentation
`no-cond-assign`	Error	`🚫 Error`	Documentation
`no-const-assign`	Error	`🚫 Error`	Documentation
`no-constant-condition`	Error	`🚫 Error`	Documentation
`no-control-regex`	Error	`🚫 Error`	Documentation
`no-debugger`	Error	`🚫 Error`	Documentation
`no-delete-var`	Error	`🚫 Error`	Documentation
`no-dupe-args`	Error	`🚫 Error`	Documentation
`no-dupe-class-members`	Error	`🚫 Error`	Documentation
`no-dupe-else-if`	Error	`🚫 Error`	Documentation
`no-dupe-keys`	Error	`🚫 Error`	Documentation
`no-duplicate-case`	Error	`🚫 Error`	Documentation
`no-empty`	Error	`🚫 Error`	Documentation
`no-empty-character-class`	Error	`🚫 Error`	Documentation
`no-empty-pattern`	Error	`🚫 Error`	Documentation
`no-ex-assign`	Error	`🚫 Error`	Documentation
`no-extra-boolean-cast`	Error	`🚫 Error`	Documentation
`no-extra-semi`	Error	`🚫 Error`	Documentation
`no-fallthrough`	Error	`🚫 Error`	Documentation
`no-func-assign`	Error	`🚫 Error`	Documentation
`no-global-assign`	Error	`🚫 Error`	Documentation
`no-import-assign`	Error	`🚫 Error`	Documentation
`no-inner-declarations`	Error	`🚫 Error`	Documentation
`no-invalid-regexp`	Error	`🚫 Error`	Documentation
`no-irregular-whitespace`	Error	`🚫 Error`	Documentation
`no-loss-of-precision`	Error	`🚫 Error`	Documentation
`no-misleading-character-class`	Error	`🚫 Error`	Documentation
`no-mixed-spaces-and-tabs`	Error	`🚫 Error`	Documentation
`no-new-symbol`	Error	`🚫 Error`	Documentation
`no-nonoctal-decimal-escape`	Error	`🚫 Error`	Documentation
`no-obj-calls`	Error	`🚫 Error`	Documentation
`no-octal`	Error	`🚫 Error`	Documentation
`no-prototype-builtins`	Error	`🚫 Error`	Documentation
`no-redeclare`	Error	`🚫 Error`	Documentation
`no-regex-spaces`	Error	`🚫 Error`	Documentation
`no-self-assign`	Error	`🚫 Error`	Documentation
`no-setter-return`	Error	`🚫 Error`	Documentation
`no-shadow-restricted-names`	Error	`🚫 Error`	Documentation
`no-sparse-arrays`	Error	`🚫 Error`	Documentation
`no-this-before-super`	Error	`🚫 Error`	Documentation
`no-undef`	Error	`🚫 Error`	Documentation
`no-unexpected-multiline`	Error	`🚫 Error`	Documentation
`no-unreachable`	Error	`🚫 Error`	Documentation
`no-unsafe-finally`	Error	`🚫 Error`	Documentation
`no-unsafe-negation`	Error	`🚫 Error`	Documentation
`no-unsafe-optional-chaining`	Error	`🚫 Error`	Documentation
`no-unused-labels`	Error	`🚫 Error`	Documentation
`no-unused-vars`	Documentation	`⚠️ Warning`	Documentation
`no-useless-backreference`	Error	`🚫 Error`	Documentation
`no-useless-catch`	Error	`🚫 Error`	Documentation
`no-useless-escape`	Error	`🚫 Error`	Documentation
`no-with`	Error	`🚫 Error`	Documentation
`require-yield`	Error	`🚫 Error`	Documentation
`use-isnan`	Error	`🚫 Error`	Documentation
`valid-typeof`	Documentation	`🚫 Error`	Documentation
`import/order`	-	`⚠️ Warning`	External rule
`prettier/prettier`	Warn	`⚠️ Warning`	External rule
`no-lonely-if`	Error	`🚫 Error`	Documentation
`linebreak-style`	Unix	`🚫 Error`	Documentation
`quotes`	Double	`🚫 Error`	Documentation
`semi`	Always	`⚠️ Warning`	Documentation
`comma-dangle`	Documentation	`🚫 Error`	Documentation
`no-eval`	Error	`🚫 Error`	Documentation
`func-names`	As-needed	`🚫 Error`	Documentation
`camelcase`	Documentation	`⚠️ Warning`	Documentation
`prefer-arrow-callback`	Error	`🚫 Error`	Documentation
`prefer-const`	Error	`🚫 Error`	Documentation
`object-shorthand`	Always	`🚫 Error`	Documentation
`block-spacing`	Error	`🚫 Error`	Documentation
`no-object-constructor`	Error	`🚫 Error`	Documentation
`comma-spacing`	Error	`🚫 Error`	Documentation
`keyword-spacing`	Error	`🚫 Error`	Documentation
`space-infix-ops`	Error	`🚫 Error`	Documentation
`space-unary-ops`	Error	`🚫 Error`	Documentation
`brace-style`	Error	`🚫 Error`	Documentation
`object-curly-spacing`	Always	`🚫 Error`	Documentation
`space-before-function-paren`	Documentation	`🚫 Error`	Documentation
`space-in-parens`	Never	`🚫 Error`	Documentation
`array-bracket-spacing`	Never	`🚫 Error`	Documentation
`template-curly-spacing`	Never	`🚫 Error`	Documentation
`computed-property-spacing`	Never	`🚫 Error`	Documentation
`no-use-before-define`	Documentation	`🚫 Error`	Documentation
`no-label-var`	Error	`🚫 Error`	Documentation
`no-undefined`	Off	`💡 Disabled`	Documentation
`complexity`	50	`⚠️ Warning`	Documentation
`no-alert`	Warn	`⚠️ Warning`	Documentation
`quote-props`	As-needed	`🚫 Error`	Documentation
`require-await`	Off	`💡 Disabled`	Documentation
`prefer-object-spread`	Error	`🚫 Error`	Documentation
`prefer-destructuring`	Error	`🚫 Error`	Documentation
`array-callback-return`	Error	`🚫 Error`	Documentation
`yoda`	Error	`🚫 Error`	Documentation
`jsx-quotes`	Prefer-double	`💡 Disabled`	Documentation
`unicode-bom`	Never	`🚫 Error`	Documentation
`no-process-env`	Off	`💡 Disabled`	Documentation
`no-process-exit`	Off	`💡 Disabled`	Documentation
`global-require`	Error	`🚫 Error`	Documentation