Check if a number is a valid Employer Identification Number (EIN)
A function to check whether a prop is valid for HTML and SVG elements
Employer Identification Number validator and masker
Brand checking of React Elements.
Copy a descriptor from object A to object B
JSON for Humans
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.
Give me a string and I'll tell you if it's a valid npm package name
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 library for manipulating IPv4 and IPv6 addresses in JavaScript.
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 a file path does not contain any invalid characters.
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.
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.
A ridiculously light-weight argument validator (now browser friendly)
Check if a string is a valid JavaScript identifier
A small lib to validate IP addresses.
Returns true if a value is a valid instance of Base.