no-empty-vitest-exclude

Disallow empty root-level test.exclude arrays in Vitest config.

Rule catalog ID: R027

Targeted pattern scope

• vitest.config.*
• vite.config.* when a root Vitest test block is used
• root-level test.exclude only

What this rule reports

This rule reports explicit root-level test.exclude: [] assignments.

Why this rule exists

An empty root exclude list is usually a no-op artifact left from config refactors. Flagging it keeps shared config intentional and avoids misleading “configured but ineffective” filtering.

❌ Incorrect

import { defineConfig } from "vitest/config";

export default defineConfig({
    test: {
        exclude: [],
    },
});

✅ Correct

import { defineConfig } from "vitest/config";

export default defineConfig({
    test: {
        exclude: ["dist/**"],
    },
});

Behavior and migration notes

• this rule checks only static empty arrays
• it intentionally targets root test.exclude; use no-empty-vitest-project-exclude for project-level entries

ESLint flat config example

import vite from "@typpi/eslint-plugin-vite";

export default [vite.configs.strict, vite.configs.vitest];

When not to use it

Disable this rule only if you intentionally keep a root empty exclude array in committed config as a style placeholder.

Package documentation

• Vitest config reference

Further reading

• no-empty-vitest-project-exclude
• no-empty-vitest-include