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Deno 2.2 is here with built-in OpenTelemetry, Lint plugins, node:sqlite, and more 🎉️

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reusify
Reuse objects and functions with style
reuse object performance function fast
bluebird
Full featured Promises/A+ implementation with exceptionally good performance
promise performance promises promises-a promises-aplus async await deferred deferreds future flow control dsl fluent interface
rfdc
Really Fast Deep Clone
object obj properties clone copy deep recursive key keys values prop deep-clone deepclone deep-copy
@szmarczak/http-timer
Timings for HTTP requests
http https http2 timer timings performance measure
memoize-one
A memoization library which only remembers the latest invocation
memoize memoization cache performance
buffer-xor
A simple module for bitwise-xor on buffers
bits bitwise buffer buffer-xor crypto inline math memory performance xor
fast-redact
very fast object redaction
redact censor performance performant gdpr fast speed serialize stringify
atomic-sleep
Zero CPU overhead, zero dependency, true event-loop blocking sleep
sleep pause wait performance atomics
throttleit
Throttle a function to limit its execution rate
throttle rate limit limited rate-limit ratelimit throttling optimization performance function execution interval batch
web-vitals
Easily measure performance metrics in JavaScript
crux performance metrics Core Web Vitals CLS FCP FID INP LCP TTFB
data-joint
Perform data joins with any type of JS objects
data array join digest performance
data-bind-mapper
Bind data arrays to any type of JS objects
data array binder mapper join digest performance
array-timsort
Fast JavaScript array sorting by implementing Python's Timsort algorithm
fast sort array soft sort compare TimSort algorithm python performance
msgpackr
Ultra-fast MessagePack implementation with extensions for records and structured cloning
MessagePack msgpack performance structured clone
generate-function
Module that helps you write generated functions in Node
generate code generation function performance
marky
Performance timer based on performance.mark() and measure()
mark measure performance user timing timing polyfill stopwatch timer
timsort
TimSort: Fast Sorting for Node.js
sort compare TimSort algorithm python performance
fast-url-parser
Extremely fast implementation of node core url library
fast parse parser url uri performance
raf-schd
A scheduler based on requestAnimationFrame
performance raf requestAnimationFrame cancelAnimationFrame
firebase
Firebase JavaScript library for web and Node.js
authentication database Firebase firebase realtime storage performance remote-config