Packages

Utilities, IDs & Helpers Packages

General-purpose utilities, helpers, and ID/UUID generation libraries that fill the small gaps every codebase eventually needs (Lodash, uuid, nanoid).

1293 packages

Packages in Utilities, IDs & Helpers

42Health
Library npm

clsx

A tiny, fast utility for conditionally constructing className strings

9,844
MIT
Used by 257
86Health
Library npm

tailwind-merge

Merge Tailwind CSS classes without style conflicts

5,692
MIT
Used by 219
67Health
Library npm

Lodash

A modern JavaScript utility library delivering modularity, performance, and extras for arrays, objects, and functions.

61,278
MIT
Used by 194
69Health
Library npm

uuid

RFC9562-compliant UUID generation for JavaScript and TypeScript.

15,334
MIT
Used by 172
72Health
Library npm

globals

A single JSON file of global identifiers for every JavaScript environment, used by ESLint and other static analysis tools.

610
MIT
Used by 125
85Health
Library npm

nanoid

A tiny, secure, URL-friendly unique string ID generator for JavaScript and TypeScript

26,987
MIT
Used by 113
60Health
Library npm

semver

The semantic version parser and range matcher that powers npm itself.

5,467
Other
Used by 112
45Health
Library Go

uuid

Dependency-free RFC 9562 UUID generation and parsing for Go, with built-in SQL and encoding support.

6,147
MIT
Used by 103
41Health
Library npm

rimraf

Cross-platform recursive file and directory removal for Node.js, modeled on the UNIX `rm -rf` command.

5,852
Other
Used by 87
64Health
Library npm

fs-extra

Drop-in replacement for Node's fs module adding copy, remove, mkdirs, and JSON helpers with native promise support.

9,590
MIT
Used by 84
59Health
Library npm

glob

The most correct and second-fastest shell-style file pattern matching library for Node.js.

8,712
Other
Used by 84
55Health
Library npm

tslib

The runtime library that houses TypeScript's compiler helper functions so your emitted code stays small.

1,343
Other
Used by 81
63Health
Library npm

diff

A battle-tested JavaScript library for computing and applying text diffs at the character, word, line, sentence, CSS, or JSON level.

9,210
BSD 3
Used by 70
68Health
Library Cargo

tempfile

A secure, cross-platform Rust library for temporary files and directories that clean up automatically on drop.

1,468
Other
Used by 69
56Health
Library npm

classnames

A tiny utility for conditionally joining CSS class names together.

17,778
MIT
Used by 68
66Health
Library Cargo

base64

Correct, fast, and configurable base64 encoding and decoding for Rust, with pluggable alphabets and padding.

738
Apache 2.0
Used by 66
63Health
Library Cargo

url

A WHATWG-standard-compliant URL parser and manipulation library for Rust.

1,575
Apache 2.0
Used by 62
79Health
Library npm

PapaParse

The fastest in-browser CSV parser for JavaScript, with streaming, Web Workers, and zero dependencies

13,576
MIT
Used by 61
59Health
Library npm

chokidar

Minimal and efficient cross-platform file watching for Node.js.

12,244
MIT
Used by 61
91Health
Library npm

Faker

Generate massive amounts of realistic fake data for testing, seeding, and mocking in JavaScript and TypeScript.

15,502
MIT
Used by 60
77Health
Library Cargo

regex

Rust's finite-automata regex engine with guaranteed linear-time matching and no catastrophic backtracking.

4,038
Apache 2.0
Used by 59
81Health
Library Cargo

uuid

Generate and parse UUIDs in Rust across every standardized version, from v1 to v8.

1,247
Other
Used by 56
60Health
Library npm

tar

The battle-tested tar archive library that powers npm itself, with hardened extraction against path-traversal and symlink attacks.

922
Other
Used by 52
91Health
Library npm

core-js

Modular standard library and polyfills for JavaScript, from ECMAScript features to proposals and web standards.

25,536
MIT
Used by 50

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