Projects in Awesome Lists tagged with undefined

A curated list of projects in awesome lists tagged with undefined .

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https://github.com/donavon/undefined-is-a-function

"undefined is not a function"? — It is now!

undefined

Last synced: 30 Oct 2025

https://github.com/weissi/swift-undefined

Nano framework which defines Haskell's undefined in Swift.

nano-framework swift undefined

Last synced: 25 Mar 2025

https://github.com/vitalics/rslike

Rust-like but for TypeScript/JavaScript

javascript option result try-catch typescript undefined undefined-behavior

Last synced: 17 Jul 2025

https://github.com/leonardoporro/detached-patchtypes

Create proxy types that tracks dirty properties to simulate 'undefined' values when deserializing json.

json mappers null partial-updates patch primitives proxy-types serializer undefined

Last synced: 10 Apr 2025

https://github.com/rickwong/trespass

Access and chain object properties and methods in a safe manner.

access deep es6 methods node null object properties proxy safe trespass undefined

Last synced: 21 Apr 2025

https://github.com/brh55/find-undefinedness

:x: Find keys containing undefined within an object with support for deeply nested objects

dotted-keys nested-objects node undefined

Last synced: 12 Apr 2025

https://github.com/d4nyll/rundef

Remove undefined properties from object

javascript object undefined

Last synced: 12 Apr 2025

https://github.com/stdlib-js/assert-is-undefined-or-null

Test if a value is undefined or null.

assert assertion check is isnull isundefined isvoid javascript node node-js nodejs null stdlib type undefined util utilities utility utils void

Last synced: 30 Apr 2025

https://github.com/prinorange/nullify-undefined

Convert undefined in the object to null to solve the problem of javascript object serialization in some scenarios

javascript null null-safety typescript undefined

Last synced: 15 Apr 2026

https://github.com/rohmanhm/nullfined

💊 1kb tiny convert null value from any type of value to undefined.

convert null nullfined undefined

Last synced: 16 May 2025

https://github.com/angular-package/type

Common types, type guards and checkers.

angular array bigint boolean class defined function guards instance key null number object primitive regexp string symbol type typescript undefined

Last synced: 05 Feb 2026

https://github.com/jaid/filter-nil

Filters array entries that are null or undefined.

array array-methods filter-nil lib library nil null undefined util utility

Last synced: 14 May 2025

https://github.com/xotic750/is-nil-x

Checks if `value` is `null` or `undefined`.

browser ecmascript nodejs null test undefined

Last synced: 30 Apr 2025

https://github.com/writetome51/has-value-no-value

Functions that check if argument is, or is not, undefined or null

is javascript null type-check undefined value

Last synced: 04 Jul 2025

https://github.com/nemanjapetrovic/is-null-or-undefined

Is a simple npm package to check if sent arguments are null or undefined.

is library npm null or undefined

Last synced: 12 Apr 2026

https://github.com/clemyan/safe-navigation-proxy

Safe navigation using ES2015 Proxies

javascript null optional-chaining safe-navigation undefined

Last synced: 03 Apr 2025

https://github.com/jasonhk/node-is-null-like

A simple library to determine whether the object is null-like or not.

javascript node nodejs null typescript undefined

Last synced: 01 May 2026

https://github.com/4lessandrodev/var-let-const-youtube

repositorio para o vídeo gravado para o youtube sobre variáveis javascript, var, let e const e escopo

array boolean const let null numbers object scope string undefined var

Last synced: 14 Oct 2025

https://github.com/drewmrk/null-undefined-guard

Guard against null or undefined values

checking guard javascript null typescript undefined

Last synced: 01 Apr 2026

https://github.com/v-core9/v_rifier

Flexible Data Validation Module with Built in default Types.

array function integer name nodejs null object string undefined validation verify

Last synced: 20 Apr 2026

https://github.com/rackspace/maybe-result

Safe handling of null and undefined in Typescript and Javascript

fp functional-programming maybe null optional typescript typescript-library undefined

Last synced: 25 Apr 2026

https://github.com/afeiship/next-filter-nil

Filter null/undefined value.

filter next nil null undefined

Last synced: 01 May 2026

https://github.com/montumodi/falsy-finder

A simple utility to find out falsy values from an object or arrays.

array falsy finder json null object truthy undefined

Last synced: 18 May 2026

https://github.com/istador/lodash-es-merge-undefined

This is an alternative to the lodash's merge function, but it does overwrite values with undefined

javascript lodash-es merge nodejs undefined

Last synced: 20 May 2026

https://github.com/baboon-king/falsify

Define what you consider "Falsify"

falsify lib null typescript undefined zore

Last synced: 29 Oct 2025