Undefined Packages

Clears all non-true values from template string

A module to provide a better and easier coalescing, similar to the function default parameter.

A package for judging a string is null or empty or undefined

Safe Window Getters

A Typescript assertion that only throws on null and undefined

Assert that the passed arguments are defined.

A simple package to check if input is null, undefined, or an empty string

Safe and simple PHP isset() for JavaScript

A small project my girlfriend and I have been working on.

Easily remove null, undefined, or any specified values from JSON objects and arrays.

Just function to predicate non nullable with type guard.

Better handle empty value issues in javascript objects.

For projects that may or may not run on a browser, like websites with SSR, sets all browser global variables like `window` or `document` as eventually undefined for better type-proofing

A library that replaces `null` type to `undefined` type.

to check null or empty

All annexe nowt utility functions under namespace "nowt".

A utility function to validate if a value is null or undefined

A utility function to validate if a value is undefined

A collection of useful helper functions

Undefined or Null Checker.