promise-memoize
Memoizes promise-returning functions with expiration and prefetch capabilities.
- Status
- UnmaintainedNo commits in 3238 days.
- Last checked
- Checked · Oct 10, 2026
- License
- Open source
- Pricing
- Free tier · from $0
What it is
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.
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.
When it fits — and when it doesn’t
A good fit for
Developers working on Node.js projects who need efficient caching of promise results
Teams building web applications that require optimized asynchronous operations
Look elsewhere if
Projects requiring real-time data updates without caching
Applications where the overhead of memoization outweighs performance benefits
Known weaknesses
Each one links to the public issue, changelog or docs page it came from, where we have one.
- 01
Limited documentation and examples
The official repository lacks comprehensive usage guides and practical examples, making it difficult for new users to understand how to effectively use promise-memoize.
- 02
Small community support
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.
- 03
Potential memory leaks with improper expiration handling
Improper configuration of cache expiration can lead to memory leaks if cached promises are not properly cleaned up, affecting long-running applications.
What it does well
Memoizes promise-returning functions
Supports expiration of cached results
Enables prefetching of results
Pricing
- Free tier
- YesOpen source — free to use
- Paid from
- $0
- Model
- Flat rate
- Enterprise plan
- No
Pricing not independently confirmed — check the vendor’s page.
Performance benchmarks
How Fast Is It?
Set up promise-memoize
Setup steps, common gotchas and what to check after 30 days.
Get the badge
A small badge for promise-memoize’s README or site: its name, “Tracked on AI Navigator”, and the availability status and check month from this page. It updates as the catalog does.
Markdown
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