arity-n

Wraps a function with a function of a sertain arity.

Installation

npm install arity-n

Usage

1function fn(a, b, c, d) {
2}
3
4var arityN = require('arity-n');
5var newFn = arityN(fn, 3);
6
7newFn.length; // => 3
8
9var arity4 = require('arity-n/4');
10var newFn = arity4(fn);
11
12newFn.length; // => 4
13
14// Max arity is 5.
15var newFn = arityN(fn, 7);
16
17newFn.length; // => 4