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Replicates Swift's Optional, hold a value or undefined, written in TypeScript.
void(0) undefined
A lightweight package that makes dealing with Cannot read property of undefined errors easy in a way that your IDE can understand. No strings used.
Micro package to be used with mobx to allow assigning an undefined value to an observable value.
Preload images when given element show in viewport.
shortcut methods for util.isNullOrUndefined
This package will check for empty / null / undefined value
Converts null in an object to undefined.
Module to know if a object isNotEmpty, isNull, isUndefined...
Forget about "can't read [METHOD_NAME] of undefined" type of errors with this simple helper
this package will delete null or empty objects from an object
Remove recursively all key-value pairs where value is undefined
Common javascript functions
Nullish helper functions and types for TypeScript.
- null
- undefined
- nully
- nullable
- non-nullable
- predicate
- type
- types
- type-guard
- type-predicate
- type-helper
- typescript
- typescript-types
- fp
- View more