I've found that there are tons of different JavaScript memoization libraries out there, and they all operate in slightly different ways.
I'll attempt to list and compare the "best" ones here. (ordered roughly by how effective/general-purpose I estimate them to be; or rather, that's the plan once I have time to look them over further!)
Core features: (marked with ✔️yes, ❌no, ⚙️partial, ❔unknown)
npm) Install from NPM: The package is available on npm. (for easy integration/updating)
m-arg) Multiple arguments: Can memoize functions that are passed multiple arguments.
o-arg) Object arguments: Can memoize functions that are passed object arguments.
o-hash) Object hashing: Can memoize using the internal JS hashing for object arguments, through use of Map/WeakMap. (better perf than serialization or cache-entry iteration)
m-slot) Multiple slots: Can store cached results for more than just the last set of arguments. (without requiring manual creation of new "cache slots" / "instantiations")
auto) Auto-memoize: Can memoize based on the regular passed arguments; does not require function-specific setup/wrapping for basic memoization. (may still require a generic wrapping)
For synchronous functions
moize (based on micro-memoize)
Core features) npm: ✔️, m-arg: ✔️, o-arg: ✔️, o-hash: ❌, m-slot: ✔️, auto: ✔️
Popularity) GitHub stars: ~550; NPM weekly downloads: ~76k (2020-04-24)
memoizee
Core features) npm: ✔️, m-arg: ✔️, o-arg: ✔️, o-hash: ⚙️, m-slot: ✔️, auto: ✔️
Popularity) GitHub stars: ~1.1k; NPM weekly downloads: ~1.9m (2020-04-24)
mobx-utils:computedFn
Core features) npm: ✔️, m-arg: ✔️, o-arg: ✔️, o-hash: ✔️, m-slot: ✔️, auto: ✔️
Popularity) GitHub stars: ~850; NPM weekly downloads: ~60k (2020-04-24)
fast-memoize
Core features) npm: ✔️, m-arg: ✔️, o-arg: ✔️, o-hash: ❌, m-slot: ✔️, auto: ✔️
Popularity) GitHub stars: ~2.2k; NPM weekly downloads: ~381k (2020-04-24)
map-memo
Core features) npm: ✔️, m-arg: ✔️, o-arg: ✔️, o-hash: ✔️, m-slot: ✔️, auto: ✔️
lodash.memoize (code)
Core features) npm: ✔️, m-arg: ❌, o-arg: ✔️, o-hash: ✔️, m-slot: ✔️, auto: ✔️
memoize-weak
Core features) npm: ✔️, m-arg: ✔️, o-arg: ✔️, o-hash: ✔️, m-slot: ✔️, auto: ✔️
memoize-immutable
Core features) npm: ✔️, m-arg: ✔️, o-arg: ✔️, o-hash: ✔️, m-slot: ✔️, auto: ✔️
underscore.memoize (code)
Core features) npm: ✔️, m-arg: ❌, o-arg: ✔️, o-hash: ❌, m-slot: ✔️, auto: ✔️
memoize-state
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❔, auto: ❔
kashe
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❔, auto: ❔
nano-memoize
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❔, auto: ❔
memoizerific
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❔, auto: ❔
memoize-fn
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❔, auto: ❔
memoize-cache
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❔, auto: ❔
memoize-one
Core features) npm: ✔️, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❌, auto: ❔
use-memo-one
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❌, auto: ❔
@emotion/weak-memoize
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❔, auto: ❔
lru-memoizer
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❔, auto: ❔
mem
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❔, auto: ❔
memoizejs
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❔, auto: ❔
memize
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❔, auto: ❔
reselect
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❔, auto: ❌
rememo
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❔, auto: ❌
memoize-bind
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❔, auto: ❔
memoizesync
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❔, auto: ❔
@thi.ng/memoize
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❔, auto: ❔
trie-memoize
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❔, auto: ❔
memobind
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❔, auto: ❔
memoize-id
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❔, auto: ❔
@bigcommerce/memoize
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❔, auto: ❔
For asynchronous functions
mobx-utils:computedFn
[see entry above in synchronous category]
p-memoize
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❔, auto: ❔
node-memoizeasync
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❔, auto: ❔
promise-memoize
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❔, auto: ❔
use-async-memo
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❔, auto: ❔
async-memo-ize
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❔, auto: ❔
memoize-async
Core features) npm: ❔, m-arg: ❔, o-arg: ❔, o-hash: ❔, m-slot: ❔, auto: ❔
Discussion
There are actually many more JS memoization libraries than this (I know...), but I've left out ones where the library:
- Cannot memoize in-memory. (eg. file-based cache only)
- Cannot memoize standalone functions. (eg. class methods only)
- Is not open-source, or hosted at some crazy place like this XD.
- Was beyond the first few pages of results. (one can only invest so much time into this...)
