mimic-fn (2.1.0)

Published 2026-02-24 14:01:23 +00:00 by atheaadmin

Installation

registry=
npm install mimic-fn@2.1.0
"mimic-fn": "2.1.0"

About this package

mimic-fn Build Status

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

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.

  • rename-fn - Rename a function
  • keep-func-props - Wrap a function without changing its name, length and other properties

License

MIT © Sindre Sorhus

Dependencies

Development Dependencies

ID Version
ava ^1.4.1
tsd ^0.7.1
xo ^0.24.0

Keywords

function mimic imitate rename copy inherit properties name func fn set infer change
Details
npm
2026-02-24 14:01:23 +00:00
1
Sindre Sorhus
MIT
latest
2.1 KiB
Assets (1)
Versions (1) View all
2.1.0 2026-02-24