andrea/oef

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Andrea Fazzi 6dbbc350bc First commit		2019-11-04 15:00:46 +01:00
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readme.md	First commit	2019-11-04 15:00:46 +01:00

readme.md

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

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)

It will modify to and return it.

to

Type: Function

Mimicking function.

from