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4838 packages found
A tool for defining and using object schemas that can be used to normalize and validate object configurations.
Base class providing typed properties, validation and serialization
- class
- model
- schema
- object
- property
- type
- validation
- validator
- serialization
- serializer
- field
- default
- obverver
- observe
object validation with flow types and more
A simple and composable way to validate data in JavaScript (and TypeScript).
Type check values: `is.string('🦄') //=> true`
Typecheck functionguards for function arguments and (nested) objects when it matters (REST payloads etc)
Object validator, with async/await support!
Type checker for JS
simple way to validate object
Object Relation Model and Validation module
Validate object properties in javascript.
Validate object properties in javascript.
Check empty for: array, string, object, function, number, date
- empty
- check empty array
- check
- condition
- check empty string
- check empty object
- check empty function
- check empty result function
- check empty number
- check empty on date
- helper
- lite
- validation
- map
- View more
Angular form validation on steroids
Function argument validation for humans
- type
- types
- check
- checking
- guard
- guards
- assert
- assertion
- predicate
- predicates
- is
- validate
- validation
- utility
- View more
A fast library that protects your JSON schema from invalid data.
- Schema Shield
- JSON
- JSON Schema
- Validation
- Validator
- Validate
- Data
- Object
- Node.js
- Web
- TypeScript
- Schema
- Shield
- Protection
- View more
validation extention built into javascript Object
Use flow type information at runtime. Useful for validations, mapping to an ORM, and more.
A simple, expressive way to validate data in JavaScript.
A simple object validation library for Javascript, with kickass TypeScript integration.