JavaScript & React utilities

A collection of reusable hooks for common React behaviors.

Good for

Avoiding repeated browser-event and component-state plumbing.

A helper for comparing JSON-compatible values deeply.

Good for

Checking whether nested serialized data has changed.

Utilities for representing monetary amounts and performing money calculations.

Good for

Handling currencies and arithmetic without treating money as an unstructured number.

A typed collection of common JavaScript utility functions.

Good for

Handling everyday collection and data transformations with individual helpers.

A query language for filtering structured JavaScript data.

Good for

Expressing reusable filtering conditions over collections.

A spatial index for quickly searching rectangles and points.

Good for

Finding nearby or overlapping objects in a large static dataset.

A browser library for DOM manipulation, events, and Ajax requests.

Good for

Maintaining existing jQuery interfaces and integrating older browser widgets.

Algorithms for finding differences between strings and structured text.

Good for

Showing text changes, patches, and comparison views.

Utilities for working with arrays, objects, strings, and functions.

Good for

Maintaining familiar data-transformation helpers across a JavaScript codebase.

A helper for assigning several React refs through one callback.

Good for

Combining internal and forwarded refs in reusable components.

A generator for compact, URL-friendly random identifiers.

Good for

Creating short unique IDs for application records and shareable links.

A collection of utility functions for JavaScript and TypeScript.

Good for

Reducing repeated application-level data manipulation code.

A JavaScript implementation of RE2-style regular-expression matching.

Good for

Using predictable regex execution for supported pattern syntax.

React helpers for detecting browser and device information.

Good for

Adapting behavior when a feature check alone does not cover device differences.

A broad collection of React utility hooks.

Good for

Reusing common state, lifecycle, and browser-integration behaviors.

Utilities for composing more expressive JavaScript regular expressions.

Good for

Writing and maintaining complex patterns with clearer structure.

Convenience helpers for selecting DOM elements.

Good for

Small browser scripts that need concise DOM queries.

Utilities that extend common operations on JavaScript values.

Good for

Working with dates, strings, and collections through a unified helper library.

A binary-heap priority queue for JavaScript.

Good for

Processing items in priority order without repeatedly sorting an array.

A parser for domain names and public suffix information.

Good for

Extracting hostnames, domains, and subdomains from URLs.

A parser for browser, operating-system, and device information from user agents.

Good for

Interpreting user-agent strings in analytics or compatibility workflows.

A collection of React hooks for common application needs.

Good for

Adding reusable browser and state behavior to components.

A TypeScript-oriented collection of React hooks.

Good for

Adding typed, reusable application behavior without writing every hook from scratch.

A utility for checking whether a buffer contains valid UTF-8.

Good for

Validating incoming binary data before interpreting it as text.

A utility for generating version-four UUIDs.

Good for

Creating identifiers for records and application objects.