103 packages found
Is this value a JS Boolean? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Parse yes/no like values
Test if a value is a boolean.
Convert query strings to dates for express/connect applications.
A simple function to check if a piece of data is truthy. JavaScript version.
- true
- false
- truthy
- falsy
- javascript
- validation
- checking
- data validation
- object validation
- array validation
- set validation
- map validation
Collection of functions that return specific values (noop, true, false, echo, etc)
This module transforms a string to a oneline string considering escape sequences: so('test noop test') -> 'noop test'
Check if `this` is truthy.
extends assert of node
A function is a set of statements that performs a task or calculates a value.
- extra
- function
- after
- arity
- before
- flip
- once
- partial
- partialRight
- InvocationControl
- Resolver
- ARGUMENTS
- COMPARE
- FALSE
- View more
A JavaScript port of the Unix utility 'true'. Returns the Boolean value `true`
Convert query strings to numbers and booleans for express/connect applications.
Helps you deny the existence of specified truthy values (e.g. 'someString', aParticularObject)
THE BRINGER OF TRUTH! or false
A function is a set of statements that performs a task or calculates a value {web}.
- extra
- function
- after
- arity
- before
- flip
- once
- partial
- partialRight
- InvocationControl
- Resolver
- ARGUMENTS
- COMPARE
- FALSE
- View more
return true or false
A plugin for chai to allow you to test what is bollocks and what is the dog's bollocks.
A JavaScript utility library focusing on aviation
Helps you confirm the existence of specified falsy values (e.g. 0)