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158 packages found
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
TypeError Decorator for JavaScript & TypeScript
Binary wrapper for Flow - A static type checker for JavaScript
Constraints checker for given object and rules along with it.
A smart typeof operator replacement and robust checker
A simple and composable way to validate data in JavaScript (and TypeScript).
Simple and light-weight JavaScript type checker that brings convenience!
- is-array
- isArray
- is-bigint
- isBigint
- is-blob
- isBlob
- is-boolean
- isBoolean
- is-date
- isDate
- is-error
- isError
- is-file
- isFile
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Simple assertion library
Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)
- array
- assert
- assertion
- async
- async function
- async-function
- asyncFunction
- bool
- boolean
- browser
- check
- check-type
- checking
- class
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A package that helps validate data at runtime
Simple type checker in JavaScript.
- utils
- util
- type checking
- type checker
- type
- checker
- isAlpha
- isAlphanumeric
- isArguments
- isArray
- isBoolean
- isDate
- isDecimal
- isDefined
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A collection of handy functions to quickly check types in your code
A simple and composable way to validate data in JavaScript (and TypeScript).
A simple, powerful and flexible runtime type checker for TypeScript.
Object.assign() with super powers
A simple type checker which warns in console
Binary wrapper for Flow - A static type checker for JavaScript
A Node.js module that checks and prints data types using lodash.
Fast light weight inferred static type checker in real time for JavaScript.