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# no-hooks

[Added in v0.3.4](https://github.com/web-infra-dev/rslint/releases/tag/v0.3.4)
## Configuration

| Preset                   | Configured Value |
| ------------------------ | ---------------- |
| ✅ jestPlugin.configs.all | `"error"`        |


```ts title=rslint.config.ts
import { defineConfig, jestPlugin } from '@rslint/core';

export default defineConfig([
  jestPlugin.configs.recommended,
  {
    rules: {
      'jest/no-hooks': 'error',
    },
  },
]);
```

## Rule Details

Disallow Jest lifecycle hooks (`beforeEach`, `afterEach`, `beforeAll`, `afterAll`). This rule helps enforce tests that are isolated and explicit, instead of relying on shared setup/teardown behavior that can make test order and failures harder to reason about.

Examples of **incorrect** code for this rule:

```javascript
beforeEach(() => {
  setupDatabase();
});

afterAll(() => {
  cleanup();
});
```

Examples of **correct** code for this rule:

```javascript
test("works with explicit setup", () => {
  const db = createTestDatabase();
  expect(runWith(db)).toBe(true);
});

describe("suite", () => {
  test("case", () => {
    expect(1 + 1).toBe(2);
  });
});
```

## Options

- First argument (optional): object with `allow`
  - `allow`: array of hook names that are allowed. Supported values: `beforeEach`, `afterEach`, `beforeAll`, `afterAll`.

## Original Documentation

- [eslint-plugin-jest: no-hooks](https://github.com/jest-community/eslint-plugin-jest/blob/v29.16.0/docs/rules/no-hooks.md)
- [Source code](https://github.com/jest-community/eslint-plugin-jest/blob/v29.16.0/src/rules/no-hooks.ts)