This library provides tools for solving Boolean satisfiability problems (SAT). It includes functions for generating all solutions to a given problem and for finding a single solution using the DPLL algorithm.

Is this value a JS Boolean? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Isomorphic, functional type-checking for Javascript

General satisfiability solver for logic problems

Test if a value is a boolean.

Checks if two geometries have no overlapping areas.

Polyfill of future proposal for `util.parseArgs()`

Boolean constructor.

the complete solution for node.js command-line programs

Minimal module to check if a file is executable.

Determine whether each segment of a line is parallel to the correspondent segment of another line.

An implementation of the Unicode UTS #46: Unicode IDNA Compatibility Processing

Check if a path is a file, directory, or symlink

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

Checks if two geometries cross each other.

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

Determine whether none of the points common to both geometries intersect the interiors of both geometries.

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

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

simple persistent cookiejar system