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82 packages found
A tiny and fast dynamic type checker/enforcer library
A simple and composable way to validate data in JavaScript (and TypeScript).
Validate object properties against type schema
Simple and convenient generator of prototype based constructor functions
Extended JavaScript Type Validator
👺 weak but accurate type checking that returns a string representation of input's type
- type
- types
- coerce
- coercion
- checker
- check
- flow
- typing
- typeof
- typeov
- detection
- ispromise
- isnumber
- isinfinity
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A small library for checking types
Type checker for signet type system
A collection of small utility functions to check variable types
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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Simple assertion library
A simple and composable way to validate data in JavaScript (and TypeScript).
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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discall interfaces and checkers
Checks JSON data for required fields and data types. For REST and other data services testing.
A collection of handy functions to quickly check types in your code
Basic runtime type checking
Runtime type-checking of any value in javascript
Library that allow you to describe data structures by subset of JavaScript syntax and validate them at runtime
- nodejs
- javascript
- testing
- metadata
- json
- schema
- validation
- types
- checker
- dsl
- metalanguage
- runtime-verification
- zero-dependencies
- type-generator
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A simple and composable way to validate data in JavaScript (and TypeScript).