Check if something is a Node.js stream
Generate errors that contain a code frame that point to source locations.
Browser-friendly inheritance fully compatible with standard node.js inherits()
Strict TypeScript and Flow types for style based on MDN data
An implementation of the Unicode UTS #46: Unicode IDNA Compatibility Processing
Utility to parse a string bytes to bytes and vice-versa
Regular expression parser for ECMAScript.
A tiny (183B to 210B) and fast utility to ascend parent directories
Dependency-free RFC 3986 URI toolbox
The same useRef, but with callback
Parameterised tests for Jest
fast, tiny `queueMicrotask` shim for modern engines
An HTTP(s) proxy `http.Agent` implementation for HTTP
A minimal UTF8 implementation for number arrays.
[](https://www.npmjs.com/package/@smithy/core) [](https://www.npmjs.com/package/@smithy/core)
JSON.parse with context information on error
Node.js module to detect the C standard library (libc) implementation family and version
A set of utility functions for expect and related packages
Get the visual width of a string - the number of columns required to display it
Traverse JSON Schema passing each schema object to callback
A minimal event emitter.
Find and load configuration from a package.json property, rc file, TypeScript module, and more!
A CSS parser, transformer, and minifier written in Rust
A comprehensive library for mime-type mapping