# Disallow alias methods (`no-alias-methods`)

💼⚠️ This rule is enabled in the ✅ `recommended`
[config](https://github.com/jest-community/eslint-plugin-jest/blob/main/README.md#shareable-configurations).
This rule _warns_ in the 🎨 `style`
[config](https://github.com/jest-community/eslint-plugin-jest/blob/main/README.md#shareable-configurations).

🔧 This rule is automatically fixable by the
[`--fix` CLI option](https://eslint.org/docs/latest/user-guide/command-line-interface#--fix).

<!-- end auto-generated rule header -->

> These aliases are going to be removed in the next major version of Jest - see
> <https://github.com/jestjs/jest/issues/13164> for more

Several Jest methods have alias names, such as `toThrow` having the alias of
`toThrowError`. This rule ensures that only the canonical name as used in the
Jest documentation is used in the code. This makes it easier to search for all
occurrences of the method within code, and it ensures consistency among the
method names used.

## Rule details

This rule triggers a warning if the alias name, rather than the canonical name,
of a method is used.

The following patterns are considered warnings:

```js
expect(a).toBeCalled();
expect(a).toBeCalledTimes();
expect(a).toBeCalledWith();
expect(a).lastCalledWith();
expect(a).nthCalledWith();
expect(a).toReturn();
expect(a).toReturnTimes();
expect(a).toReturnWith();
expect(a).lastReturnedWith();
expect(a).nthReturnedWith();
expect(a).toThrowError();
```

The following patterns are not considered warnings:

```js
expect(a).toHaveBeenCalled();
expect(a).toHaveBeenCalledTimes();
expect(a).toHaveBeenCalledWith();
expect(a).toHaveBeenLastCalledWith();
expect(a).toHaveBeenNthCalledWith();
expect(a).toHaveReturned();
expect(a).toHaveReturnedTimes();
expect(a).toHaveReturnedWith();
expect(a).toHaveLastReturnedWith();
expect(a).toHaveNthReturnedWith();
expect(a).toThrow();
```