Data Validation

Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.

Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.

Returns true if a value has the characteristics of a valid JavaScript data descriptor.

Runtime library to validate data against TypeScript interfaces

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

Excel Workbook Manager - Read and Write xlsx and csv Files.

The modular and type safe schema library for validating structural data

Express middleware to validate request (headers, params, query, body) using Joi

Detect if a string is a data URL

Hash a stream of data, then validate

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

detect-content-type implements the algorithm described at http://mimesniff.spec.whatwg.org/ to determine the Content-Type of the given data. It considers at most the first 512 bytes of data. It always returns a valid MIME type: if it cannot determine a mo

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

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

A form is a group of inputs that allows users submit data to a server and supports field validation errors.

Contains [zod](https://zod.dev/) schemas for the data that is stored in stack outputs and metadata. Using zod schemas allows us to generate types for the data as well as validate expected data when reading at runtime.

Schema for data modeling & validation

ESLint plugin that validates data using JSON Schema Validator.

Form data validation library for Node.js

Validation helpers for [zod](https://github.com/colinhacks/zod) specifically for parsing `FormData` or `URLSearchParams`. This is particularly useful when using [Remix](https://github.com/remix-run/remix) and combos well with [remix-validated-form](https:

Build functions in standardized containers.

A utility for parsing and validating data URLs.

Validation library inspired by Laravel's Validator

A JSON decoding library for Typescript

A form is a group of inputs that allows users submit data to a server and supports field validation errors.

Find diff between any two variables where variables be any valid JavaScript data type like string, numeric, array or object

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

NestJS middleware for handling multipart/form-data, which is primarily used for uploading files

Validates if a value is matrix-like.

Azure Data Factory utilities library

Declarative Form Validations Framework

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

Type signature parser for typify

Validation of CSV file against user defined schema (returns back object with data and invalid messages)

Concise data validation library for Node.js and browsers

Lightweight data grid jQuery plugin. It supports basic grid operations like inserting, filtering, editing, deleting, paging, sorting, and validation. jsGrid is tunable and allows to customize appearance and components.

Ember computed property based validation library

Changesets for your local state

runtime type checking and validation of untyped JSON data

Library for validating, parsing, and formatting data against open api schemas.

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

Decentraland data structure interfaces and validators for TypeScript-based projects.

A TypeScript library for validating, formatting, and converting IBAN (International Bank Account Number) and BBAN (Basic Bank Account Number), offering comprehensive support for international banking data standards.

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

**JSON Schema to Zod is a TypeScript library that converts JSON Schemas into Zod schemas, enabling dynamic validation of data structures.** This utility is particularly useful in scenarios where JSON Schemas are stored in databases and need to be dynamica

Isomorphic Data Model Validations

Ultrafast UTF-8 data validation

validation library for nodejs, inspired by laravel.

The package serves as a single source of truth when validating requests coming into Ghost's Admin API endpoints. It uses [JSON Schema](https://json-schema.org/) definitions under the hood to describe expected format of validated data.

Zero dependency package to validate data received from Telegram Login Widget