mem

What it is

Mem is a JavaScript library that memoizes functions by caching their results for given inputs, optimizing performance in scenarios where the same function is called repeatedly with the same arguments.

Mem stands out as a lightweight and effective library for memoizing functions in JavaScript, offering a simple yet powerful way to optimize performance without complex setup.

When it fits — and when it doesn’t

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

1. 01

   Limited support for complex data types as cache keys

   Mem may not handle objects or arrays effectively as input arguments for memoization, leading to incorrect caching behavior.

2. 02

   Performance overhead in high-frequency update scenarios

   Frequent updates can lead to excessive cache invalidation and recomputation, negating the benefits of memoization.

3. 03

   Small community and limited third-party integrations

   The tool has a relatively small user base and fewer contributions compared to more established memoization libraries like Lodash.

What it does well

• Memoization of functions to speed up performance

• Simple and lightweight implementation

• Supports both synchronous and asynchronous functions

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.