A function to check whether a prop is valid for HTML and SVG elements

Give me a string and I'll tell you if it's a valid npm package name

flagd-core contain the core logic of flagd [in-process evaluation](https://flagd.dev/architecture/#in-process-evaluation) provider. This package is intended to be used by concrete implementations of flagd in-process providers.

The semantic version parser used by npm.

JSON for Humans

Convert a string to a valid JavaScript identifier

Detect if a string is a data URL

Return true if a value is a valid glob pattern or patterns.

Copy a descriptor from object A to object B

Brand checking of React Elements.

string-argv parses a string into an argument array to mimic process.argv. This is useful when testing Command Line Utilities that you want to pass arguments to.

Logic-less {{mustache}} templates with JavaScript

Floating UI for the web

Positioning library for floating elements: tooltips, popovers, dropdowns, and more

Work with IANA language tags.

TypeScript definitions for json-logic-js

Give me a string and I'll tell you if it's a valid npm package license string

A [JSONSchema](https://json-schema.org/) validator that uses code generation to be extremely fast.

Build complex rules, serialize them as JSON, and execute them in JavaScript

Astro’s [Go](https://golang.org/) + WASM compiler.