prefer-stylelint-plugins-array

Prefer array form for top-level Stylelint plugins declarations.

Targeted pattern scope

This rule targets Stylelint config modules such as stylelint.config.ts, stylelint.config.mjs, and .stylelintrc.js.

It focuses on top-level exported config objects, including configs wrapped in defineConfig(...).

What this rule reports

Reports plugins when it is defined as a single string instead of an array.

Why this rule exists

Array form makes plugin composition deterministic and easier to maintain in shared configuration.

❌ Incorrect

export default {
    plugins: "stylelint-order",
    rules: {},
};

✅ Correct

export default {
    plugins: ["stylelint-order"],
    rules: {},
};

Behavior and migration notes

This rule auto-fixes scalar string form to a single-entry array.

ESLint flat config example

import stylelint2 from "eslint-plugin-stylelint-2";

export default [stylelint2.configs.configuration];

When not to use it

Do not use this rule if your repository intentionally enforces scalar plugins syntax.

Package documentation

Stylelint package documentation:

Rule catalog ID: R022

Further reading

• Stylelint plugins