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Make a function mimic another one
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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.

Related

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

License

MIT © Sindre Sorhus

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