Data Validation

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.

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

Runtime library to validate data against TypeScript interfaces

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

Hash a stream of data, then validate

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

Detect if a string is a data URL

Validates if a value is matrix-like.

Build functions in standardized containers.

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

Validation library inspired by Laravel's Validator

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

Schema for data modeling & validation

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

Type signature parser for typify

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

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

Azure Data Factory utilities library

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

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

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.

runtime type checking and validation of untyped JSON data

A utility for parsing and validating data URLs.

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

Ember computed property based validation library

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:

ESLint plugin that validates data using JSON Schema Validator.

Ultrafast UTF-8 data validation

Common error classes and utility functions

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

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

Changesets for your local state

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

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.

JavaScript rules engine for validating data object structures.

Concise data validation library for Node.js and browsers

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

I said I want **SIMPLE** runtypes. Just functions that validate and return data. Combine them into complex types and TypeScript knows their structure. That's how runtypes work.

validation library for nodejs, inspired by laravel.

Normalizes and denormalizes JSON according to schema for Redux and Flux applications

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

Defines static typed DTO with strict runtime validation and user friendly error messages like:

A simple data validation library, packed with frequently used validators.

This submodule provides functionalities for formatting and canonicalizing data, validating and creating digital signatures, and hashing various types of conditions and identifiers in a deterministic way to ensure data integrity and security within the LIT

Fields can be used to manage data when it comes to form data manipulation and validation. After being associated with a component, the form data can be automatically written back, read, and verified.

Graphql query cost analyzer. Use it to protect your GraphQL servers against DoS attacks, compute data consumption per user and limit it.

Partial Lenses Validation is a JavaScript library for validating and transforming data

Validate your objects against a swagger spec and receive in-depth error traces

Test if an input value is a supported ndarray data type.