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26 packages found
Test if a value is a boolean.
Validates if a value is a boolean.
Check a string whether truthy or falsy.
Check if an array includes all the elements of another array
Check if you have starred a given gist or not
Check if a script is running on CircleCI
Check if a given value is one of the ESLint severity level specifiers
Checks given value is backslash - support char code number, hex, unicode or string value to be given.
Checks given value is forwardslash - support char code number, hex, unicode or string value to be given.
- alike
- forwardslash
- char
- character
- charcode
- check
- code
- escape
- hex
- hexidecimal
- html
- is
- is-forwardslash
- like
- View more
Check if `this` is truthy.
return true or false
Utilities and types to help with simple Boolean checks
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 helper function for the FalseJS library that checks if a value is true.
Tests a value’s type against a string like 'positive integer' or 'non-empty map'.
Common types, type guards and type checkers.
A package that check if an operation, usually functions call, is successful. It returns true or false depending on the operation
Check whether a condition is true for any element of an array. The condition check is in the form of a callback.
Helps you deny the existence of specified truthy values (e.g. 'someString', aParticularObject)
Convert any value to boolean true or false