城南花开 ea29471bc6 cc 10 mesiacov pred
..
.github ea29471bc6 cc 10 mesiacov pred
.eslintrc ea29471bc6 cc 10 mesiacov pred
.nycrc ea29471bc6 cc 10 mesiacov pred
CHANGELOG.md ea29471bc6 cc 10 mesiacov pred
LICENSE ea29471bc6 cc 10 mesiacov pred
README.md ea29471bc6 cc 10 mesiacov pred
env.d.ts ea29471bc6 cc 10 mesiacov pred
env.js ea29471bc6 cc 10 mesiacov pred
index.d.ts ea29471bc6 cc 10 mesiacov pred
index.js ea29471bc6 cc 10 mesiacov pred
package.json ea29471bc6 cc 10 mesiacov pred
tsconfig.json ea29471bc6 cc 10 mesiacov pred

README.md

set-function-length Version Badge

github actions coverage License Downloads

npm badge

Set a function’s length.

Arguments:

  • fn: the function
  • length: the new length. Must be an integer between 0 and 2**32.
  • loose: Optional. If true, and the length fails to be set, do not throw. Default false.

Returns fn.

Usage

var setFunctionLength = require('set-function-length');
var assert = require('assert');

function zero() {}
function one(_) {}
function two(_, __) {}

assert.equal(zero.length, 0);
assert.equal(one.length, 1);
assert.equal(two.length, 2);

assert.equal(setFunctionLength(zero, 10), zero);
assert.equal(setFunctionLength(one, 11), one);
assert.equal(setFunctionLength(two, 12), two);

assert.equal(zero.length, 10);
assert.equal(one.length, 11);
assert.equal(two.length, 12);