p-limit

Install cost

What you actually take on by adding p-limit to a project.

Part of this dependency tree has not been crawled yet, so these figures are a lower bound rather than a final total.

Compatibility

Node.js

node >=20

Module format

ESM only

TypeScript

Types included

Install scripts

None

Quick start

A usage example from the p-limit README.

import pLimit from 'p-limit';

const limit = pLimit(1);

const input = [
	limit(() => fetchSomething('foo')),
	limit(() => fetchSomething('bar')),
	limit(() => doSomething())
];

// Only one promise is run at once
const result = await Promise.all(input);
console.log(result);

p-limit vs the alternatives

Packages solving a similar problem in the npm ecosystem, compared on the signals that drive an adoption decision.

Dependencies

Declared by p-limit v7.3.2. Runtime dependencies are installed with the package; dev dependencies are not.

Used by

Popular packages that depend on p-limit.

Relationship graph

Dependencies (left) and dependents (right) of p-limit.

Frequently installed together

Release history

8 releases in the last two years, typically about 107 days apart.

Overview

p-limit is an npm package that run multiple promise-returning & async functions with limited concurrency. It is extremely widely used, with about 293.1M downloads per week and 5 known dependents in the graph. The latest version is 7.3.2, released under the MIT license.

Auto-generated from collected registry metadata. No external claims are inferred.

Funding

• https://github.com/sponsors/sindresorhus

Frequently asked questions