NULL Packages

No operation avoiding references

If value is null or undefined, it sets a default value instead.

JavaScript Isser library.

Nullish checker

Maybe monad for JavaScript.

Mini CSS Framework.

PHP empty function in JS

Defines a type that can be mixed with null and undefined.

Return the first argument that is `!= null`

The package provides methods to check whether a JSON object or a JSON array is empty or not. - The package considers an **object** empty when it is `null`, `undefined` or has no keys. - The package considers an **array** empty when it is `null`, `undefine

Monadic library to help with Typescripts --strictNullChecks

Validates if a value is a JavaScript primitive.

Nullable type and helper functions for typescript

An empty React component that doesn't output anything and doesn't update.

utility for creating dictionary objects

Lib that exposes option with rich Api like Scala option, option monad lets you handle nulls in javascript in declarative way

Absent checks existence of variable, properties or items in a collection.

Indicate if a string is null or white spaced

checks if foo is not defined, i.e. undefined, null, an empty string, array, object or NaN

Validation utilities.