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

Brand checking of React Elements.

JSON for Humans

Copy a descriptor from object A to object B

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

Detect if a string is a data URL

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.

This folder contains Typescript interfaces, in ContextTypes.ts generated from the context JSONSchema (https://json-schema.org/) files via quicktype (https://quicktype.io/).

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

Generate a valid CUSIP

Convert a string to a valid JavaScript identifier

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

Remove aliases from a GraphQL document

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

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

Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a bet

Work with IANA language tags.

Check if a string is a valid JavaScript identifier

Returns true if a file path does not contain any invalid characters.

Wrapper around is-valid-instance and is-registered for validating `base` plugins. Returns true if `app` is a valid instance of base and a plugin is not registered yet.