33 lines
603 B
Markdown
33 lines
603 B
Markdown
|
arity-n
|
||
|
|
============
|
||
|
|
[](https://travis-ci.org/stoeffel/arityN) [](http://badge.fury.io/js/arity-n)
|
||
|
|
> Wraps a function with a function of a sertain arity.
|
||
|
|
|
||
|
|
Installation
|
||
|
|
------------
|
||
|
|
|
||
|
|
`npm install arity-n`
|
||
|
|
|
||
|
|
Usage
|
||
|
|
-----
|
||
|
|
|
||
|
|
```js
|
||
|
|
function fn(a, b, c, d) {
|
||
|
|
}
|
||
|
|
|
||
|
|
var arityN = require('arity-n');
|
||
|
|
var newFn = arityN(fn, 3);
|
||
|
|
|
||
|
|
newFn.length; // => 3
|
||
|
|
|
||
|
|
var arity4 = require('arity-n/4');
|
||
|
|
var newFn = arity4(fn);
|
||
|
|
|
||
|
|
newFn.length; // => 4
|
||
|
|
|
||
|
|
// Max arity is 5.
|
||
|
|
var newFn = arityN(fn, 7);
|
||
|
|
|
||
|
|
newFn.length; // => 4
|
||
|
|
```
|