Server : Apache System : Linux server2.corals.io 4.18.0-348.2.1.el8_5.x86_64 #1 SMP Mon Nov 15 09:17:08 EST 2021 x86_64 User : corals ( 1002) PHP Version : 7.4.33 Disable Function : exec,passthru,shell_exec,system Directory :  /home/corals/vreg/node_modules/mimic-fn/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

# mimic-fn [![Build Status](https://travis-ci.org/sindresorhus/mimic-fn.svg?branch=master)](https://travis-ci.org/sindresorhus/mimic-fn)

> Make a function mimic another one

Useful when you wrap a function in another function and like to preserve the original name and other properties.


## Install

```
$ npm install mimic-fn
```


## Usage

```js
const mimicFn = require('mimic-fn');

function foo() {}
foo.unicorn = '🦄';

function wrapper() {
	return foo();
}

console.log(wrapper.name);
//=> 'wrapper'

mimicFn(wrapper, foo);

console.log(wrapper.name);
//=> 'foo'

console.log(wrapper.unicorn);
//=> '🦄'
```


## API

It will copy over the properties `name`, `length`, `displayName`, and any custom properties you may have set.

### mimicFn(to, from)

Modifies the `to` function and returns it.

#### to

Type: `Function`

Mimicking function.

#### from

Type: `Function`

Function to mimic.


## Related

- [rename-fn](https://github.com/sindresorhus/rename-fn) - Rename a function
- [keep-func-props](https://github.com/ehmicky/keep-func-props) - Wrap a function without changing its name, length and other properties


## License

MIT © [Sindre Sorhus](https://sindresorhus.com)