kind-of
Get the native type of a value.
Get the native type of a value.
Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays.
Returns true if a value exists, false if empty. Works with deeply nested values using object paths.
ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.
Returns `true` if the value is a primitive.
Isomorphic, functional type-checking for Javascript
Returns `true` if the string is upper case only.
Returns `true` if the string is lower case only
boolean converts lots of things to boolean.
TypeScript generics to work with boolean types
Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)
Returns true if the given is falsey (according to JavaScript) or matches a 'falsey' keyword.
Wait for a condition to be true
turf boolean-contains module
turf boolean-clockwise module
turf boolean-disjoint module
turf boolean-overlap module
turf boolean-within module
turf boolean-equal module
turf boolean-crosses module