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compare the type of your value with one or several types
- typeof
- types
- instanceof
- type-of
- test
- check
- typeof-in
- string
- constructor
- name
- number
- object
- array
- function
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An expressive type testing library
Prune boolean JSON expressions
This module is small but easy to use. The purpose of this module is to check if a target value does not equals a source value, it can optionally also do none case sensitive comparing.
Check if a string is a datetime string.
Check if `this` is truthy.
Ask for a type, returns a true/false as answer.
Fallback when a value is not Boolean.
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.
Boolean logical and Bitwise "Implies" operators
Wait for a condition to be true
Flow control for indeterminate booleans as plain JS objects
Church encoding utility library for JavaScript
Output a boolean with color. Pretty sweet for your terminal logs!
String-based boolean expression evaluator
checks if value exists in array or string returning boolean
Wrap and validate optional values
a versatile, headless query builder for react
- n-conditional
- unconditional
- love
- query builder
- expression builder
- condition builder
- filter
- boolean
- logic
- rules
- headless
simple and elegant generation of random data
Scalar definitions for Neuledge Engine