Changes are coming to the rule API in v9.0.0. Here's what you need to do to prepare your custom rules for ESLint's next major release: Tweet added by ESLint @geteslint

Preparing your custom rules for ESLint v9.0.0 - ESLint - Pluggable JavaScript Linter

A pluggable and configurable linter tool for identifying and reporting on patterns in JavaScript. Maintain your code quality with ease.

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