promise-memoize
Memoizes promise-returning functions with expiration and prefetch capabilities.
Pricing
Free tier
Flat rate
Adoption
↘CoolingLicense
Open Source
Data freshness
Aging · Jun 8, 2026Overview
What is promise-memoize?
Promise-memoize is a utility that memoizes promise-returning functions, allowing for efficient caching of results. It supports expiration and prefetch mechanisms to enhance performance in asynchronous operations.
Key differentiator
“Promise-memoize stands out by providing a simple yet effective way to cache promise results with expiration and prefetch capabilities, making it ideal for optimizing asynchronous operations in Node.js applications.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
The official repository lacks comprehensive usage guides and practical examples, making it difficult for new users to understand how to effectively use promise-memoize.
Promise-memoize has a relatively small user base which results in limited community contributions, fewer bug fixes, and slower response times for issues reported on the repository.
Improper configuration of cache expiration can lead to memory leaks if cached promises are not properly cleaned up, affecting long-running applications.
Fit analysis
Who is it for?
✓ Best for
Developers working on Node.js projects who need efficient caching of promise results
Teams building web applications that require optimized asynchronous operations
✕ Not a fit for
Projects requiring real-time data updates without caching
Applications where the overhead of memoization outweighs performance benefits
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 promise-memoize
Step-by-step setup guide with code examples and common gotchas.