Undefined Packages

Safe function return handling in Typescript and Javascript

Safe Window Getters

2 functions that check if argument is undefined or null

Safe Window Getters

Determine if a value is `undefined`

A utility to determine if a value is undefined

Object.assign that skips any undefined properties from source objects

Automatically converts the destructuring object to an empty object when the destructuring object is undefined.

A babel plugin to shield code against undefined properties

Javascript library for comparing equality of any number of given variables of any type by value and without any order or sorting.

Checks if the given array has the search item (Type: string | number | boolean | object | array | null | undefined) based on the given options.

Ignore keys which have undefined values to compare from a deep equal operation with chai expect

Ignore keys which have undefined values to compare from a deep equal operation with chai expect

Utilities and types to help with simple Boolean checks

Module to know if a object isNotEmpty, isNull, isUndefined...

Detect references to undefined CSS classes

Convert any value into a boolean value.

Returns duplicates-removed array -- has options for case-sensitivity and strict-typing.

A TypeScript Type-Guard for Filtering out undefined Values

A library to ensure that all of your values are definite