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91 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.
Is this value a JS Boolean? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
returns randomly true or false
Determines if something should be considered a synonym for true
Collection of functions that return specific values (noop, true, false, echo, etc)
Check if `this` is truthy.
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
Convert query strings to numbers and booleans 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
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
Helps you deny the existence of specified truthy values (e.g. 'someString', aParticularObject)
THE BRINGER OF TRUTH! or false
empty js function like empty() in php
Returns true if the given is falsey (according to JavaScript) or matches a 'falsey' keyword.
Helps you confirm the existence of specified falsy values (e.g. 0)
Convenience for working with `writable: false` object properties.
A plugin for chai to allow you to test what is bollocks and what is the dog's bollocks.