util

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English

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utilA lightweight, modular collection of utility libraries

Providing practical functions for common development scenarios, with TypeScript support.

util

TypeScript Support

Full type definition files included

Browser Compatibility

Supports ES5+ environments (via UMD builds)

Tree-shaking Ready

Import individual functions via ES Modules for on-demand usage

Module List ​

  • camel-kit - Camel Case Conversion Library：Supports bidirectional transformation between camelCase and snake_case, lightweight and feature-rich.

  • date-manip - Date Manipulation Library：A lightweight library for date operations, offering modular, high-performance features including date addition, formatting, comparison, and more.

  • eemitt - Event Emitter Library：A lightweight event emitter library, offering a simple and flexible event emitter interface, with support for event listeners, once listeners, and event groups.

  • fast-qs - Fast Query String Parsing and Stringifying Library：A lightweight library for parsing and stringifying URL query strings, offering high performance and customizable separators.

  • fast-replaceall - Fast String Replacement Library：Supports global replacement, case-insensitive mode, start position control, and function-style replacement compatible with native String.replace.

  • geometry-fns - Lightweight Geometric Algorithm Library: A lightweight geometric algorithm library that provides a set of geometric algorithms such as point intersection, line intersection, polygon intersection, etc.

  • is-what-type - Type Checking Library：A simple utility library for detecting data types.

  • properties-like - Java Properties Implementation：A TypeScript implementation of the Java .properties specification, supporting configuration parsing, serialization, variable interpolation, and Unicode processing.

  • uri-escapify - URI Escaping Library：A lightweight library for URI encoding and decoding, offering escape and unescape functionality.