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JavaScript packages

42,510 npm packages in 67 categories, with weekly downloads, 12-month growth, bundle size, last release, module format and types for each.

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42,510 packages

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Package	Weekly downloads	12-month change	Gzip	Last release	Module	Types	Categories
hard-rejection Make unhandled promise rejections fail hard right away instead of the default silent fail	9.2m	+12%	-	7 years ago 2.1.0	-	None	Promises and async control flow
harmony-reflect ES5 shim for ES6 (ECMAScript 6) Reflect and Proxy objects	9.2m	+12%	-	5 years ago 1.6.2	CommonJS	Bundled	Polyfills and shims
avvio Asynchronous bootstrapping of Node applications	9.2m	+268%	-	2 months ago 9.3.0	CommonJS	Bundled	Promises and async control flow
@fastify/ajv-compiler Build and manage the AJV instances for the fastify framework	9.1m	+272%	-	1 month ago 4.0.6	CommonJS	Bundled	Schema validation
identity-obj-proxy an identity object using ES6 proxies	9.1m	+11%	-	10 years ago 3.0.0	CommonJS	None	Testing
global-agent Global HTTP/HTTPS proxy configurable using environment variables.	9.1m	+171%	-	6 months ago 4.1.3	CommonJS	Bundled	Node.js utilities, Configuration
json-schema-ref-resolver JSON schema reference resolver	9.1m	+296%	-	1 year ago 3.0.0	CommonJS	Bundled	Documentation tooling, Schema validation
sentence-case Transform into a lower case with spaces between words, then capitalize the string	9.1m	+24%	-	2 years ago 4.0.0	ESM only	None	-
xpath DOM 3 XPath implemention and helper for node.js and the web	9.1m	+162%	-	2 years ago 0.0.34	CommonJS	Bundled	-
history Manage session history with JavaScript	9.1m	+31%	-	4 years ago 5.3.0	ESM + CommonJS	Bundled	-
unc-path-regex Regular expression for testing if a file path is a windows UNC file path. Can also be used as a component of another regexp via the `.source` property.	9.1m	+33%	-	10 years ago 0.1.2	CommonJS	None	-
fbjs-css-vars This package exports a few of the CSS variables that we use in Facebook projects. This is not the full list we have internally but focused on making available the minimum set needed by our open source projects.	9.1m	+63%	-	7 years ago 1.0.2	CommonJS	None	-
jpeg-js A pure javascript JPEG encoder and decoder	9.1m	+151%	-	4 years ago 0.4.4	CommonJS	None	Image processing
jju a set of utilities to work with JSON / JSON5 documents	9.1m	+77%	-	8 years ago 1.4.0	-	None	Parsers and serialisers
@webcontainer/env Set of environment utilities for WebContainers	9.1m	+6610%	-	2 years ago 1.1.1	ESM + CommonJS	Bundled	Node.js utilities, DOM and browser utilities
array-ify Turn anything into an array	9.1m	+30%	-	11 years ago 1.0.0	-	None	-
is-unc-path Returns true if a filepath is a windows UNC file path.	9.1m	+45%	-	9 years ago 1.0.0	CommonJS	None	-
default-gateway Get the default network gateway, cross-platform.	9m	-21%	-	3 years ago 7.2.2	ESM only	None	-
swagger-ui-dist [![NPM version](https://badge.fury.io/js/swagger-ui-dist.svg)](http://badge.fury.io/js/swagger-ui-dist)	9m	+100%	-	10 days ago 5.33.0	CommonJS	None	Documentation tooling
@peculiar/utils Modern byte, encoding, converter registry, and PEM utilities for TypeScript projects.	9m	-	-	4 months ago 2.0.3	ESM + CommonJS	Bundled	TypeScript tooling
chart.js Simple HTML5 charts using the canvas element.	9m	+85%	-	11 months ago 4.5.1	ESM + CommonJS	Bundled	Charts and data visualisation, 3D, WebGL and game engines
path-case Transform into a lower case string with slashes between words	9m	+24%	-	2 years ago 4.0.0	ESM only	None	-
resolve-url-loader Webpack loader that resolves relative paths in url() statements based on the original source file	9m	-2%	-	4 years ago 5.0.0	CommonJS	None	CSS-in-JS and styling, Bundler plugins and loaders
infer-owner Infer the owner of a path based on the owner of its nearest existing parent	9m	-9%	-	7 years ago 1.0.4	CommonJS	None	-
@fastify/merge-json-schemas Builds a logical conjunction (AND) of multiple JSON schemas	9m	+302%	-	1 year ago 0.2.1	CommonJS	Bundled	Schema validation
regex-parser A module that parses a string as regular expression and returns the parsed value.	9m	-6%	-	1 year ago 2.3.1	CommonJS	Bundled	Parsers and serialisers
toposort Topological sort of directed ascyclic graphs (like dependecy lists)	9m	+24%	-	8 years ago 2.0.2	CommonJS	None	-
vscode-languageserver Language server implementation for node	9m	+204%	-	29 days ago 10.1.1	CommonJS	Bundled	-
@react-email/render Transform React components into HTML email templates	9m	+414%	-	2 months ago 2.1.0	ESM + CommonJS	Bundled	Email, React
browser-process-hrtime Shim for process.hrtime in the browser	8.9m	-11%	-	8 years ago 1.0.0	CommonJS	None	-
@rollup/plugin-babel Seamless integration between Rollup and Babel.	8.9m	+62%	-	3 months ago 7.1.0	ESM + CommonJS	Bundled	Bundler plugins and loaders
yaml-ast-parser [![Build Status](https://travis-ci.org/mulesoft-labs/yaml-ast-parser.svg?branch=master)](https://travis-ci.org/mulesoft-labs/yaml-ast-parser)	8.9m	+69%	-	7 years ago 0.0.43	CommonJS	Bundled	Parsers and serialisers
attr-accept JavaScript implementation of the "accept" attribute for HTML5 <input type="file">	8.9m	+101%	-	1 month ago 4.0.0	ESM + CommonJS	Bundled	-
glob-to-regex.js Transform GLOB patterns to JavaScript regular expressions for fast file path matching.	8.9m	+377%	-	13 days ago 1.3.1	CommonJS	Bundled	Files and file systems
jsonpath-plus A JS implementation of JSONPath with some additional operators	8.9m	+48%	-	2 days ago 11.0.0	ESM + CommonJS	Bundled	-
number-is-nan ES2015 `Number.isNaN()` ponyfill	8.9m	-1%	-	5 years ago 3.0.0	-	None	Polyfills and shims
is-absolute-url Check if a URL is absolute	8.9m	-0%	-	1 year ago 5.0.0	ESM only	Bundled	URLs and query strings
undefsafe Undefined safe way of extracting object properties	8.9m	+33%	-	4 years ago 2.0.5	CommonJS	None	-
base-x Fast base encoding / decoding of any given alphabet	8.9m	+72%	-	1 year ago 5.0.1	ESM + CommonJS	Bundled	Cryptography and hashing
adjust-sourcemap-loader Webpack loader that adjusts source maps	8.9m	-2%	-	3 years ago 5.0.0	CommonJS	None	Bundler plugins and loaders
iobuffer Read and write binary data on ArrayBuffers	8.9m	+684%	-	1 year ago 6.0.1	ESM only	None	-
convert-hrtime Convert the result of `process.hrtime.bigint()` to seconds, milliseconds, nanoseconds	8.9m	+248%	-	5 years ago 5.0.0	ESM only	None	-
class-transformer Proper decorator-based transformation / serialization / deserialization of plain javascript objects to class constructors	8.9m	+80%	-	4 years ago 0.5.1	ESM + CommonJS	Bundled	-
babel-runtime babel selfContained runtime	8.9m	-10%	-	9 years ago 6.26.0	-	None	Polyfills and shims, Build tools
pstree.remy Collects the full tree of processes from /proc	8.9m	+35%	-	6 years ago 1.1.8	CommonJS	None	-
comment-parser Generic JSDoc-like comment parser	8.8m	+107%	-	18 days ago 1.4.9	ESM + CommonJS	Bundled	Documentation tooling
@dotenvx/dotenvx a secure dotenv–from the creator of `dotenv`	8.8m	+1056%	-	4 days ago 2.30.0	CommonJS	Bundled	Configuration, Node.js utilities
event-emitter Environment agnostic event emitter	8.8m	+19%	-	9 years ago 0.3.5	-	None	WebSockets and realtime
lowlight Virtual syntax highlighting for virtual DOMs and non-HTML things	8.8m	+141%	-	1 year ago 3.3.0	ESM only	Bundled	React
is-nan ES2015-compliant shim for Number.isNaN - the global isNaN returns false positives.	8.8m	+32%	-	5 years ago 1.3.2	CommonJS	None	Polyfills and shims

12-month change compares the average of the last 4 weeks of downloads with the first 4 weeks of the 52-week series. Gzip size is for the whole package, as measured by Bundlephobia. "-" means the value has not been fetched.

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