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578 packages found

two functions: One that returns true, one that returns false

published version 1.0.0, 11 years ago548 dependents licensed under $ISC
106,112,876

Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays.

published version 2.0.1, 7 years ago822 dependents licensed under $MIT
86,966,323

combine predicate (bool returning) functions with propositional logic connectives (and, or, not)

published version 1.0.0, 12 years ago2 dependents licensed under $MIT
12,742

A collection of utility functions for working with randomness.

published version 3.0.0, 5 years ago2 dependents licensed under $MIT
4,652

Get the native type of a value.

published version 6.0.3, 5 years ago2095 dependents licensed under $MIT
423,352,348

Boolchain - chainable boolean functions

published version 0.5.1, a month ago1 dependents licensed under $MIT
220

ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.

published version 1.3.0, 3 months ago1369 dependents licensed under $MIT
144,687,601

library of recurring, unconnected functions

published version 2.1.0, 2 years ago11 dependents licensed under $ISC
206

turf boolean-contains module

published version 7.2.0, 2 months ago94 dependents licensed under $MIT
4,403,121

Returns true if a value exists, false if empty. Works with deeply nested values using object paths.

published version 2.0.2, 7 years ago858 dependents licensed under $MIT
88,721,018

turf boolean-parallel module

published version 7.2.0, 2 months ago3 dependents licensed under $MIT
4,161,165

turf boolean-within module

published version 7.2.0, 2 months ago79 dependents licensed under $MIT
4,319,368

Creator functions for common reducers

published version 0.2.0, 8 years ago0 dependents licensed under $MIT
233

Isomorphic, functional type-checking for Javascript

published version 7.3.0, 4 months ago75 dependents licensed under $MIT
21,183,194

turf boolean-concave module

published version 7.2.0, 2 months ago2 dependents licensed under $MIT
759,307

turf boolean-touches module

published version 7.2.0, 2 months ago3 dependents licensed under $MIT
796,982

turf boolean-valid module

published version 7.2.0, 2 months ago30 dependents licensed under $MIT
834,817

Returns `true` if the value is a primitive.

published version 3.0.1, 7 years ago256 dependents licensed under $MIT
11,685,259

turf boolean-clockwise module

published version 7.2.0, 2 months ago19 dependents licensed under $MIT
5,729,343

Wait for a condition to be true

published version 5.0.2, 2 years ago162 dependents licensed under $MIT
6,166,999