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.

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

The modular and type safe schema library for validating structural data

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).

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.

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

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.

ESLint plugin that validates data using JSON Schema Validator.

Schema for data modeling & validation

Form data validation library for Node.js

A utility for parsing and validating data URLs.

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:

A JSON decoding library for Typescript

Build functions in standardized containers.

Validation library inspired by Laravel's Validator

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

Azure Data Factory utilities library

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

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

Declarative Form Validations Framework

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

Validates if a value is matrix-like.

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

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

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

Ember computed property based validation library

runtime type checking and validation of untyped JSON data

[Mustache](https://www.npmjs.com/package/mustache) doesn't validate the data used in templates which means there is a low amount of safety when the data is managed/defined in another place or there are typos, e.g. for the following:

Type signature parser for typify

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.

Changesets for your local state

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

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

**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

Test data used to validate a Cucumber implementation

Ultrafast UTF-8 data validation

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

Concise data validation library for Node.js and browsers

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.

jQWidgets is an advanced Angular, Vue, Blazor, React, Web Components, jquery, ASP .NET MVC, Custom Elements and HTML5 UI framework.

validation library for nodejs, inspired by laravel.