Detect if a user is from a country around the European Union (EU) area

Determines whether the first geometry is completely within the second geometry.

Determines whether the second geometry is completely within the first geometry.

simple persistent cookiejar system

Takes a polygon and return true or false as to whether it is concave or not.

Checks if the geometry is a valid according to the OGC Simple Feature Specification.

Checks if two geometries overlap in any way.

a date and time library for javascript

A JavaScript parser built from the Hermes engine

Takes a ring and return true or false whether or not the ring is clockwise or counter-clockwise.

Check if something is a Node.js stream

Consumes a defaults object with booleans, generates all possible variations of it

Determine whether two geometries of the same type have identical X,Y coordinate values

A minimal path module to resolve Unix, Windows and URL paths alike.

Dependency-free RFC 3986 URI toolbox

Provides functionality related to source maps.

Efficient Combinatorics library for JavaScript using ES2015 generator functions. Generate power set, combination, and permutation.

An RFC 3986/3987 compliant, scheme extendable URI/IRI parsing/validating/resolving library for JavaScript.

Generic configuration validation tool that helps you with warnings, errors and deprecation messages as well as showing users examples of correct configuration.

JavaScript parser written in OCaml. Produces ESTree AST