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275 packages found
A simple package to check if input is null, undefined, or an empty string
To check if the input is null, undefined, empty string, empty array, or an empty object
Test if a value is an array-like object containing only JavaScript primitives.
TypeScript recursive conversion between optional (partial) and undefined properties.
Create response object instead of error throwing.
A package for judging a string is null or empty or undefined
Converts null in an object to undefined.
Classes for implementing different types of errors in the application.
Tries to import a module. Ignores any error that occurs.
Checks if the given value is null or undefined
Returns true if the given is falsey (according to JavaScript) or matches a 'falsey' keyword.
`nullish-math` is a lightweight TypeScript package that provides basic math operations with support for `null` and `undefined` values and an immutable, chainable API. It is useful when working with numeric data that may contain nullish values, as it ensur
A library that replaces `null` type to `undefined` type.
LightWeight, dependency free, javascript object cleaning library
- clean
- objects
- arrays
- strip
- deep
- fast
- undefined
- empty
- delete
- deep-clean
- deep-cleaner
- clean-deep
- quick-clean
- performance
Safe Window Getters
If value is null or undefined, it sets a default value instead.
✅ Type validation for ES6+ and Typescript projects
A library to have a generic typescript definition for object presence.
Check if a value is undefined or not.
Designate sections in your code. An alternative to comments!