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

Search npm for packages to use with Deno

Millions of packages that you already know npm are just a few keystrokes away.
Add them to your projects with a simple command that will already feel familar.

p-locate
Get the first fulfilled promise that satisfies the provided testing function
promise locate find finder search searcher test array collection iterable iterator race fulfilled fastest
p-map
Map over promises concurrently
promise map resolved wait collection iterable iterator race fulfilled async await promises concurrently concurrency
is-weakset
Is this value a JS WeakSet? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
map weakmap set weakset collection is robust
aggregate-error
Create an error from multiple errors
aggregate error combine multiple many collection iterable iterator
is-weakmap
Is this value a JS WeakMap? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
map weakmap set weakset collection is robust
immutable
Immutable Data Collections
immutable persistent lazy data datastructure functional collection stateless sequence iteration
is-set
Is this value a JS Set? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
map set collection is robust
is-map
Is this value a JS Map? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
map set collection is robust
collection-visit
Visit a method over the items in an object, or map visit over the objects in an array.
array arrays collection context function helper invoke key map method object objects value visit
es-get-iterator
Get an iterator for any JS language value. Works robustly across all environments, all versions.
iterator Symbol.iterator iterable collection next iteration
es6-weak-map
ECMAScript6 WeakMap polyfill
map weakmap collection es6 harmony list hash gc ponyfill
p-each-series
Iterate over promises serially
promise foreach for-each for each collection iterable iterator fulfilled async await promises serial serially
p-reduce
Reduce a list of values using promises into a promise for a value
promise reduce collection iterable iterator async await promises accumulate bluebird
p-filter
Filter promises concurrently
promise filter collection iterable iterator fulfilled async await promises concurrently concurrency parallel
hoopy
Like an array, but rounder.
data structure collection array circular extends proxy
iterare
Array methods for ES6 Iterators
iterator iteration functional es6 collection array map set filter reduce flatten concat every some
iterate-value
Iterate any iterable JS value. Works robustly in all environments, all versions.
iterate map set collection string array es2015 es6 iterator symbol.iterator symbol
p-map-series
Map over promises serially
promise map collection iterable iterator fulfilled serial serially async await promises bluebird
superstruct
A simple and composable way to validate data in JavaScript (and TypeScript).
api array assert cast check checker collection data error express hapi interface invalid joi
natural-orderby
Lightweight and performant natural sorting of arrays and collections by differentiating between unicode characters, numbers, dates, etc.
sort order string natsort natcmp compare alphanum unicode date number float numeric natural human