Boolean Packages

Apply boolean polygon clipping operations (union, intersection, difference, xor) to Polygons & MultiPolygons in your GeoJSON files.

turf boolean-disjoint module

turf boolean-overlap module

Reusable Boolean functions.

Check if value is boolean.

Parse boolean from string.

Sanitize and validate data with the given set of rules.

Voter library for javascript

chained logical conditions: and, or, not, xor

A robust micro library for type checking. Defers to constructs' internal `[[Class]]` property rather than duck typing for excellent type detection and to avoid triggering false positives.

Node.JS utility function for returning a boolean if a module can be called via require().

Given a string, detect boolean or numeric value and convert.

Javascript number, string, boolean, object validator

Convert value to boolean(like Python bool).

Helps you confirm the existence of specified falsy values (e.g. 0)

Checks if the primitive value of value is a boolean.

Magic Circle default controls

Trims a set of lines based on a planar graph

A colorful boolean indicator for React.