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157 packages found
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.
The fastest JavaScript type checker for V8
A tiny type checker
The package for check some data in typescript and javascript.
a simple javascript type checker and assertion library
An extensible TypeScript type builder that produces a function to verify types
An async validator, using Promises
Catch when tricky or non-standard words are mistyped.
JavaScript library to check data types
- types
- type
- check
- type-check
- type-checker
- typechecker
- isBoolean
- isObject
- isNull
- isDate
- isFunction
- isRegExp
- isArray
- isNumber
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Make sure your types are the ones you expect (similar to tsd)
Simple type checker in JavaScript.
- utils
- util
- type checking
- type checker
- type
- checker
- isAlpha
- isAlphanumeric
- isArguments
- isArray
- isBoolean
- isDate
- isDecimal
- isDefined
- View more
A minimal type-checker for JavaScript purists. Part of our [tools suite](https://github.com/gikmx/tools).
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 type checker for javascript
The world's only JavaScript argument checker
Utility to validate or fetch type of given argument in javascript.
Utility for creating generic deep typed diffs to track changes between lifecycles of objects.
A small set of functions to check value against a specific type
- type
- check
- guard
- isNumber
- isArray
- isString
- checker
- isFinite
- undefined
- null
- primitive
- isFunction
- function
- isUndefined
micro type checker that unifies 2 ways to check type in javascript