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4015 packages found
robust type checking for js
Check if a Buffer/Uint8Array is a JPEG XR image
Combines instance of operator and typeof operator in a way that works seamlessly with objects and literals.
It allows you to check a type with Typescript syntax at javascript runtime.
A recursive run-time type checking package that is simple to use yet provides all the functionality you will ever need. Written by and for Typescript.
A module to check whether a JavaScript value is of a certain type
NPMs fastest, most comprehensive, and most correct typing package.
Detect the file type of a Buffer/Uint8Array/ArrayBuffer
All imaginable type checking utils with their negation
Relationship type checker functions for Typescript types.
Simple, Lightweight type checking of multiple arguments
Basic type checker
- type
- check
- typecheck
- vanilla
- javascript
- typescript
- isArray
- isBoolean
- isDom
- isEmpty
- isFunction
- isInt
- isNumber
- isNumeric
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Check or get object type
Official plugins for Redux Resource
Check if a Buffer/Uint8Array is EPUB
Function argument validation for humans
- type
- types
- check
- checking
- guard
- guards
- assert
- assertion
- predicate
- predicates
- is
- validate
- validation
- utility
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