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

Work with IANA language tags.

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

Balena specific semver utility methods

A ridiculously light-weight argument validator (now browser friendly)

Convert a string to a valid safe filename

Compare strings with Intl.Collator if available, falling back to String.localeCompare otherwise

The semantic version parser used by npm.

Detect if a string is a data URL

JSON for Humans

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

Brand checking of React Elements.

hint that that checks if the web app manifest file is valid

Copy a descriptor from object A to object B

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.

Strict URL sanitization with security-focused validation

Copies non-react specific statics from a child component to a parent component

Mighty but tiny URI parser

Prisma Schema Parser