# set-function-length

> Set a function's length property

Latest version **1.2.2** (published 2024-03-09) · MIT license · 0 weekly downloads

## Install

```sh
npm install set-function-length
pnpm add set-function-length
yarn add set-function-length
bun add set-function-length
```

## Health

**Score 40/100 (D)** — status: abandoned.

Positive: has types; esm support; no vulnerabilities; high quality score.

Warnings: low downloads.

Negative: abandoned.

## Facts

| | |
|---|---|
| Version | 1.2.2 |
| Published | 2024-03-09 |
| First published | 2023-10-13 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | bundled |
| Module format | ESM + CommonJS |
| Node | >= 0.4 |
| Dependencies | 6 |
| Unpacked size | 14.4 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 3 |
| Author | Jordan Harband |
| Maintainers | ljharb |
| Keywords | javascript, ecmascript, set, function, length, function.length |

## Links

- npm: https://www.npmjs.com/package/set-function-length
- Repository: https://github.com/ljharb/set-function-length
- Homepage: https://github.com/ljharb/set-function-length#readme
- Issues: https://github.com/ljharb/set-function-length/issues
- npm.io page: https://npm.io/package/set-function-length

## Dependencies (6)

- [gopd](https://npm.io/package/gopd.md) ^1.0.1
- [es-errors](https://npm.io/package/es-errors.md) ^1.3.0
- [function-bind](https://npm.io/package/function-bind.md) ^1.1.2
- [get-intrinsic](https://npm.io/package/get-intrinsic.md) ^1.2.4
- [define-data-property](https://npm.io/package/define-data-property.md) ^1.1.4
- [has-property-descriptors](https://npm.io/package/has-property-descriptors.md) ^1.0.2

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## Recent versions

- 1.2.2 (latest) — 2024-03-09
- 1.2.1 — 2024-02-06
- 1.2.0 — 2024-01-14
- 1.1.1 — 2023-10-19
- 1.1.0 — 2023-10-13
- 1.0.1 — 2023-10-13
- 1.0.0 — 2023-10-13

## README

# set-function-length <sup>[![Version Badge][npm-version-svg]][package-url]</sup>

[![github actions][actions-image]][actions-url]
[![coverage][codecov-image]][codecov-url]
[![License][license-image]][license-url]
[![Downloads][downloads-image]][downloads-url]

[![npm badge][npm-badge-png]][package-url]

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

```javascript
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);
```

[package-url]: https://npmjs.org/package/set-function-length
[npm-version-svg]: https://versionbadg.es/ljharb/set-function-length.svg
[deps-svg]: https://david-dm.org/ljharb/set-function-length.svg
[deps-url]: https://david-dm.org/ljharb/set-function-length
[dev-deps-svg]: https://david-dm.org/ljharb/set-function-length/dev-status.svg
[dev-deps-url]: https://david-dm.org/ljharb/set-function-length#info=devDependencies
[npm-badge-png]: https://nodei.co/npm/set-function-length.png?downloads=true&stars=true
[license-image]: https://img.shields.io/npm/l/set-function-length.svg
[license-url]: LICENSE
[downloads-image]: https://img.shields.io/npm/dm/set-function-length.svg
[downloads-url]: https://npm-stat.com/charts.html?package=set-function-length
[codecov-image]: https://codecov.io/gh/ljharb/set-function-length/branch/main/graphs/badge.svg
[codecov-url]: https://app.codecov.io/gh/ljharb/set-function-length/
[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/set-function-length
[actions-url]: https://github.com/ljharb/set-function-length/actions

---
_Source: https://npm.io/package/set-function-length · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._