JSPM

A simple and composable way to validate data in JavaScript (and TypeScript).

A React component for input text field

Validation for your environment variables

Swagger 2.0 and OpenAPI 3.x parser and validator for Node and browsers

Detect Filetype by bytes

Blazing fast input validation and transformation ⚡

Runtime validation for static types

validates style objects by ensuring they only have valid keys

cron-validate is a cron-expression validator written in TypeScript.

A json validator that has an option to check for duplicated keys

Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)

Validates cron expressions

Contains JavaScript & TypeScript object models for Microsoft Power BI JavaScript SDK. For each model there is a TypeScript interface, and a validation function to ensure and object is valid.

Validate JSON

Swagger 2.0 and OpenAPI 3.0 command-line tool

Client-side form validation made easy

A temporary custom copy of https://github.com/csstree/csstree

Effortlessly convert your JSON Object to JSON Schema, Mongoose Schema, or a Generic template for quick documentation / upstart.

GitHub’s GraphQL Schema with validation. Automatically updated.

Generate fast-check arbitraries from Zod schemas.

Typescript API client with autocompletion and zod validations

Customizable and hackable json-validator and json-schema utilities for traversal, data generation and validation

Utilities to format and customize Zod error messages

Simple validations for node and the browser.

vee-validate integration with zod schema validation

Dead simple fluent JavaScript validation library

Core module of JSON Forms

Form Validation for Vue.js

Validate postcodes based on country

A set of opinionated helpers built on top of the Constraint Validation API

Creates Zod types from JSON Schema at runtime

A tool set for CSS: fast detailed parser (CSS → AST), walker (AST traversal), generator (AST → CSS) and lexer (validation and matching) based on specs and browser implementations

Joi extension for dates

Conform view adapter for react

Validate a response according to an openapi schema.

A joi validation middleware for Express.

Form data validation library for Node.js

TypeScript compatible runtime type system for IO validation

Schema for data modeling & validation

Conform helpers for integrating with Zod

Extends Zod with metadata

TypeScript-first schema declaration and validation library with static type inference

Validate any Bitcoin address - P2WSH, P2WPKH, P2SH, P2PKH - Mainnet & Testnet

The framework agnostic core of FormKit

Making SvelteKit forms a pleasure to use!

Quick and easy Smarty address validation.

Validate JSON

Validates password according to flexible and intuitive specifications

Build industry leading Vue forms 10x faster.

Utility to wrap a FormKitNode in a dependency tracking observer proxy

express-validation is a middleware that validates a request and returns a response with errors; if any of the configured validation rules fail.

Development tools for FormKit.

A validation module for browsers and Node.js to validate credit card numbers against the luhn algorithm.

Runtime type-checking for JavaScript.

Shared utilities for FormKit packages

The goal of the package is to provide lightweight tools for validating strings denotings dates and time. It includes ISO 8601 datestring validation, simple YYYY-MM-DD date validation and time validation in hh:mm:ss.fff format. See details in readme.

Strict URL sanitization with security-focused validation

Validation plugin for FormKit

Clean featherweight state validation

ESLint plugin that validates data using JSON Schema Validator.

The fastest JS validator library for NodeJS

Generates zod schemas from Prisma models with advanced validation

Commonly shared types for FormKit

Forms utilities for PrimeUI Libraries

XML-Tools Common Utilities

Azure OpenAPI Validator

Reusable adapter for class-validator classes

Validation rules for FormKit

allows easy type enforcement for all JS types objects and classes. it is also extensible and provides simple to use type checks for your own custom classes and types

Azure OpenAPI Validator

Azure OpenAPI Validator

A fast Luhn algorithm for validating credit cards

Validate GraphQL fields

Validates mint.json files

Validation library inspired by Laravel's Validator

Internationalization layer for FormKit.

Universal adapter for schema validation

Build functions in standardized containers.

Official vee-validate nuxt module

vee-validate integration with yup schema validation

Validate OpenApi specifications against their JSON schema

Build a Yup schema object to validate models from a domain model schema (JSON or GraphQL)

Assertion library for form validations

Build, Validate, Route, Authenticate and Mock using OpenAPI definitions. Framework-agnostic

A simple wrapper around class-transformer and class-validator which provides nice and programmer-friendly API.

openapi-io-ts core package

High-level validation library for Node.js (used in Waterline)

Type guards

Validate HTML colors by 'name', 'special name', 'hex', 'rgb', 'rgba', 'hsl', 'hsla', 'hwb', 'lab' or 'lch' values

Parse your environment with Zod schemas

Useful proptypes for react components

Validate object properties in javascript.

$merge and $patch keywords for Ajv JSON-Schema validator to extend schemas

Validates if a value is a nonnegative integer.

JSON/CJSON/JSON5 parser, syntax and schema validator and pretty-printer.

Postal Codes

Vue and Nuxt 2/3 isomorphic JSON editor, viewer, formatter and validator.

The parser package for the Powertools for AWS Lambda (TypeScript) library.

Schema-Inspector is a powerful tool to sanitize and validate JS objects.

OpenAPI code generation tool with validation powered by io-ts

Validates if a value is a string primitive.

Adds a phone number validation check to yup validator using google-libphonenumber.

A syntax sugar tool around Node fetch() API, tailored to work with TypeScript and response validators

Validates if a value is a number primitive and an integer.

Yup, dead simple password validation.

Validate Markdown frontmatter YAML against an associated JSON schema — remark-lint rule plugin

Add-on to jQuery Validation to enable unobtrusive validation options in data-* attributes.

Validate cron expressions

Validates if a value is a number primitive, excluding NaN.

Validates if a value is array-like.

Validates if a value is a Buffer object.

An OpenAPI v3.0 development workflow assistant

Validates if a value is matrix-like.

build schema with validators for each endpoint

Joi extension for dates

Provides a fast company / work email validator by checking whether the email domain is in the free email provider list.

[](https://github.com/webcat12345/ngx-intl-tel-input/actions/workflows/ci.yml) [![GitHub Pages](https://img.shields.io/badge/Demo-blue?logo=

✅ Vite plugin for validating your environment variables

Zod schema generator plugin for Kubb, creating type-safe validation schemas from OpenAPI specifications for runtime data validation.

A package for detecting all duplicated property keys of a JSON string.

Type signature parser for typify

Validates if a value is a positive integer.

Put non-empty strings into arrays, turn empty-ones into empty arrays. Bypass everything else.

Starlight plugin to validate internal links.

Ember computed property based validation library

Card type definitions and methods for creditcards

JSON Schema fluent API

Utility methods for formatting and validating credit cards

Create an error from the result of validate-glob-opts

Elegant and battle-tested validation library for type-safe input data for TypeScript

Validate JSON

Backstage entity validator library

Validates if a value is ndarray-like.

Validate openapi documents.

Express middleware to validate requests using zod schema's.

Test if a value is an Error object.

Skema provides a handy & composable way to validate / transform / purify the input data.

Validate your forms, frontend, without writing a single line of javascript!

Backstage entity validator

Yaml input field with validation and syntax highlighting as React Component

allows easy type enforcement for all JS types objects and classes. it is also extensible and provides simple to use type checks for your own custom classes and types

Stream-based library for parsing and manipulating subtitles

Standard assertion utilities.

A form input builder and validator for React

GTIN (UPC, EAN, ITF, etc.) utilities.

Changesets for your local state

A string formatter and validator based on masks

Minimal JavaScript type checking library

Schema Validation with typescript type inference.

An Express middleware to validate requests against JSON Schemas

Form component and utils for easy form validation in remix

validate express application inputs and parameters using joi

Simple validations with redux-form / react-final-form

Generate Typebox schemas from Drizzle ORM schemas

Adds a phone number validation check to yup using libphonenumber-js.

Core validator component for react forms.

FormKit Pro — Form inputs and tools for high quality forms.

Configurable, input validated routing for koa.

Validate html using validator.w3.org/nu og html-validate

Core utility for Felte's integration with front-end frameworks

A library for generating safe, legit and random URL-safe IDs

Simple validator for forms designed with material-ui v1/v3/v4/v5 components.

Adds pattern matching, optional properties, and several other helpers and types, to io-ts.

A Pothos plugin for adding schema based validation

A command line JSON Schema validator that supports many file formats. Fork of jessedc/ajv-cli.

Validate your BPMN diagrams based on configurable lint rules

A React Component to display the success or failure of password strength rules, ideal for registration or password reset forms.

Express middleware to validate request based on an OpenAPI 3 document

A lightweight framework and utility for building powerful forms in React applications

Optional features you can add to your FormKit inputs.

Converts json-schema to Joi schema.

Validation and warning infrastructure for Sanity projects

A Pothos plugin for adding argument validation

UK Postcode helper methods

Sanely validate email addresses, based on HTML5's definition of email addresses

Schema validator for yaml files

Standard Number Validation

Enhanced type safety via validation for all route params in React Router v7.

An object shape validation utility.

Fast input validation middleware using OpenAPI 2.0 (formerly Swagger) and 3.0 definitions file and ajv

A client for the App Store Server API

Wrapper for `xmllint`. Easy validation of XML. XML Schemas and DTDs supported. Zero dependencies.

Core package of uniforms.

Check password strength

Validate element templates based on JSON Schema

Reactive MobX Form State Management

```diff -Maintener wanted ``` Validation for REST Services built with [node-restify](https://github.com/mcavage/node-restify) in node.js

An extensible form library for Svelte

A (XSD) schema validator for nodejs

Capture form validation back from the browser

Text input mask for React Native on iOS, Android and web. Synchronous and easy formatting without hustle

angular2 validation

Powerful object and string validation in Javascript.

html-validate integration for Nuxt

Plugins for zodios

An easy way to validate forms using back end logic

Validate the type of arguments passed through the function.

An Angular Material package for entering and validating international telephone numbers. It adds a flag dropdown to any input, detects the user's country, displays a relevant placeholder and provides formatting/validation methods.

A Typescript framework to help you get an API server up and running with I/O schema validation and custom middlewares in minutes.

Thin wrapper around joi that defaults to stricter validation.

A TypeScript Framework on top of Express

Type check values: `is.string('🦄') //=> true`

Validator functions for many types of input, intended for use with express

Check if the given value is of the particular type or types.

Unquoted JavaScript property name validator

Utils library to use with the Smarty Javascript SDK

[![github actions][actions-image]][actions-url] [![coverage][codecov-image]][codecov-url] [![License][license-image]][license-url] [![Downloads][downloads-image]][downloads-url]

Lightweight validator supporting Language Independent Validation Rules Specification

A TypeScript Framework on top of Express

An API wrapper for the NeverBounce API

Typescript express server

Fela plugin to validate style objects

Forked from https://github.com/webcat12345/ngx-intl-tel-input

Validates if a value is a JavaScript object.

Helper to simplify validating Formik values with Zod

The easiest way to build forms in Vue.

Validation and control key generation for credit cards (and more) using Luhn algorithm

Common error classes and utility functions

Node.js middleware to validate Host and Referer headers in HTTP requests and protect against DNS rebinding attacks.

XML validation APIs

XML constraints validations

Conform helpers for integrating with yup

.secretlintrc config validation library

Persist and rehydrate a Formik form

Convert Ethereum address to a checksummed address

Joi validation for password complexity requirements.

Validator of HTTP transactions (JavaScript implementation)

Modern, simple, lightweight (~5kb gzip) form validation library written in Typescript, with no dependencies (no JQuery!). Support a wide range of predefined rules, async, files, dates validation, custom error messages and styles, localization. Support wri

Validates if a value is a nonnegative integer array.

Parser and validator for US and Canadian phone numbers

A regular expression that only matches a valid Github username

React hooks for zodios

General-purpose validator for ngModel.

MongoDB TypeScript-aware Models

angular credit card library

Check if a string can be used as a JavaScript variable name

Inspired by koa-joi-router, this package aims to provide a similar feature-set while leveraging Zod and Typescript to create typesafe routes and middlewares with built in I/O validation.

Disable introspection in graphql-js with a validation rule

Dirty Forms is a jQuery plugin to help prevent users from losing data when editing forms.

Validates strings as commit messages

JSONSchema schema bridge for uniforms.

TypeScript Declarative Validation. Decorate your class properties to validate them using Joi.

Validation for Aurelia applications

A wrapper class for ssh2 to run multiple sequential commands in an SSH shell session, handle command responses, and tunnel through to other hosts using nested host objects

vee-validate integration with valibot schema validation

Integrate [cz-customizable](https://github.com/leoforfree/cz-customizable) config with [ghooks](https://github.com/gtramontina/ghooks) or [husky](https://github.com/typicode/husky) to use a single configuration for commit message generation AND commit mes

Additional validators for class-validator.

A library of validations applicable to several Brazilian data like I.E., CNPJ, CPF and others

Form validation helpers for reactstrap

validation library for nodejs, inspired by laravel.