The fastest way to check if an npm package exists. Zero dependencies, lightweight, and uses ultra-fast HTTP HEAD requests.

Types for the TypeScript-ESTree AST spec

Drop-in replacement for `fs.existsSync` with zero dependencies. Other libs I found either have crucial differences from fs.existsSync, or unnecessary dependencies. See README.md for more info.

A wrapper on top of kleur with ability to write test against the color functions

Test whether a path exists on the filesystem.

Get the first path that exists on disk of multiple paths

This package exists as a namespace for Typescript typings of the extension environment exposed to [Scratch extensions](https://en.scratch-wiki.info/wiki/Scratch_Extension).

Provides functions for detecting if the host environment supports the WebCrypto API

This package exists only to standardize transport types and contracts used in the Vulfram ecosystem.

This package exists to make it easier to add Embroider compatibility testing to your addon's or app's continuous integration (CI) matrix.

This package exists to make @opendesign/universal truly universal and to workaround bugs/missing features in some bundlers. In particular support for `package.json['import']`. See monorepo [readme](https://github.com/opendesigndev/open-design-framework) f

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Returns true if a npm package exists in global node_modules.

Just like `fs.exists` and `fs.existsSync`, but cached

Vite plugin that gates HMR updates behind an HTTP flush signal

check whether a command line command exists in the current environment

TypeScript definitions for command-exists

Redis commands

Ultra-low latency data at the edge

Checks whether a command line command exists in the current environment.