Returns true if a value exists, false if empty. Works with deeply nested values using object paths.

Copy a descriptor from object A to object B

If you want to check whether the variable has value

Test if an object has a specified property.

Returns true if a value has the characteristics of a valid JavaScript data descriptor.

A query library for ECMAScript AST using a CSS selector like query language.

Persistent ordered mapping from strings

JavaScript parser and stringifier for YAML

Simple key-value storage with support for multiple backends

Generate all possible permutations of an object's key-value pairs

Configuration management for the npm cli

Parse HTTP request cookies

Properties file reader for Node.js

A splay tree typescript library

OpenTelemetry resource detector for Alibaba Cloud

Welcome to the README of Gurx, an typescript-native reactive state management library for complex web applications and components that do not have the symmetry of the store object and the component tree.

Like a JavaScript Set, but with a TTL on entries

Read/write IEEE754 floating point numbers from/to a Buffer or array-like object

2 functions that check if argument is undefined or null

An Implementation of ES Observables