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575 packages found

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

published version 1.0.0, 11 years ago547 dependents licensed under $ISC
107,484,065

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 ago819 dependents licensed under $MIT
92,478,221

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

published version 1.0.0, 12 years ago2 dependents licensed under $MIT
12,423

A collection of utility functions for working with randomness.

published version 3.0.0, 5 years ago2 dependents licensed under $MIT
4,361

Boolchain - chainable boolean functions

published version 0.5.1, 9 days ago1 dependents licensed under $MIT
243

Get the native type of a value.

published version 6.0.3, 5 years ago2083 dependents licensed under $MIT
454,936,528

library of recurring, unconnected functions

published version 2.1.0, 2 years ago11 dependents licensed under $ISC
227

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

published version 2.0.2, 7 years ago855 dependents licensed under $MIT
92,140,420

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

published version 1.3.0, 3 months ago1356 dependents licensed under $MIT
149,854,280

turf boolean-contains module

published version 7.2.0, 2 months ago94 dependents licensed under $MIT
4,365,409

Creator functions for common reducers

published version 0.2.0, 7 years ago0 dependents licensed under $MIT
319

turf boolean-parallel module

published version 7.2.0, 2 months ago3 dependents licensed under $MIT
3,994,169

turf boolean-within module

published version 7.2.0, 2 months ago78 dependents licensed under $MIT
4,146,144

A simple set of functions that return a boolean.

published version 4.1.0, 4 months ago4 dependents licensed under $MIT
190

Isomorphic, functional type-checking for Javascript

published version 7.3.0, 3 months ago76 dependents licensed under $MIT
21,438,526

turf boolean-concave module

published version 7.2.0, 2 months ago2 dependents licensed under $MIT
718,004

turf boolean-valid module

published version 7.2.0, 2 months ago30 dependents licensed under $MIT
763,374

turf boolean-touches module

published version 7.2.0, 2 months ago3 dependents licensed under $MIT
723,429

Returns `true` if the value is a primitive.

published version 3.0.1, 7 years ago256 dependents licensed under $MIT
12,020,104

A lightweight library for comparing boolean functions and generating truth tables.

published version 1.0.7, 4 days ago0 dependents licensed under $MIT
123