A Babel plugin which automatically makes stack traces source-map aware

Run scripts that set and use environment variables across platforms

[](https://www.jsdelivr.com/package/npm/import-map-overrides)

Get the PATH environment variable key cross-platform

Source maps support for istanbul

A Map implementation with expirable items

Name to unicode emoji mapping.

Helper function to define a map

Offers getProxyForUrl to get the proxy URL for a URL, respecting the *_PROXY (e.g. HTTP_PROXY) and NO_PROXY environment variables.

Require hook for automatic V8 compile cache persistence

TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, PostgreSQL and SQLite databases as well as usage with vanilla JavaScript.

A Map-like data structure that only stores the most recently set key/value pair

Simple “Least Recently Used” (LRU) cache

Wrap zod validation errors in user-friendly readable messages

D3 plugin which computes a Weighted Voronoi tesselation

Create OpenLayers layers or maps from Mapbox/MapLibre styles

Environment utilities

Look up HTML tag names via HTML Element constructors, and vice versa.

Check if the process is running in an SSH session

Runtime to be use with the Flow Enums transform.