p-map

Map over promises concurrently with ease.

EstablishedOpen SourceLow lock-in

Pricing

Free tier

Flat rate

Adoption

Stable

License

Open Source

Data freshness

Aging · Jun 8, 2026

Overview

What is p-map?

p-map is a utility that allows developers to map over an array of promises concurrently. This tool simplifies handling asynchronous operations in JavaScript, making it easier for developers to manage and process multiple promises at once.

Key differentiator

p-map stands out as a lightweight, easy-to-use library that simplifies the process of handling multiple promises concurrently in JavaScript applications.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

Concurrent mapping over promisesmedium

Simplified handling of asynchronous operationsmedium

Easy to integrate into existing JavaScript projectsmedium

↓ Weaknesses

Limited error handlinghigh

p-map does not provide built-in mechanisms for aggregating errors from failed promises, requiring developers to implement custom error handling logic.

Concurrency control is rudimentarymedium

The tool allows setting a concurrency limit but lacks advanced options such as dynamic throttling based on system performance or promise resolution times.

No built-in support for cancellationhigh

p-map does not provide a mechanism to cancel running promises, which can be critical in scenarios where operations need to be stopped mid-execution.

Fit analysis

Who is it for?

✓ Best for

JavaScript developers who need to handle multiple promises concurrently without blocking the main thread.

Projects that require efficient and parallel processing of asynchronous operations.

✕ Not a fit for

Developers looking for a solution with real-time data streaming capabilities

Use cases where synchronous execution is preferred or required

Cost structure

Pricing

Free Tier

Available

Open source — free to use

Starts at

$0

Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Next step

Get Started with p-map

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →