A JavaScript library that provides useful general-purpose functionalities.

Node toolkit adding some helpful functions: files, array, string, color, math ...

Type and value checking utilities.

The definitive collection of is* functions for runtime type checking. Lodash-compatible, tree-shakable, with types.

Design system of the Junn applications (IGN): Mantine theme, design tokens and generic React components

Utils for Favie

[](https://travis-ci.org/fireflysemantics/validator)

A small JS type checker

It is daunting task to check undefined variable especially when the item is nested object. Fundamental update of JS is ideal but this will help the problem until it is solved by JS itself.

Typescript typeguards

A collection of TypeScript utilities. I will never want to re-write these again.

Javascript developer kit

Augmented Next Core - Utilities and Functions.

All-in-one NestJS decorator combining Swagger documentation and class-validator validation

集成微信小程序常用功能

Option type

Core primitives for the @utiln library

Simple TypeScript type guards for cleaner, more readable code.

Collection of common utils in Typescript

A set of helpers in TS/JS, compatible with tree-shaking, for guard.