A simple, extensible object property validator for node.js. Supports express.js.

Object Property Validator is a simple plugin to validate javascript objects. It is inspired by Laravel validations.

Validate XML, Parse XML, Build XML without C/C++ based libraries

This plugin transforms checks for a private property in an object

Allow parsing of '#foo in obj' brand checks

A ridiculously light-weight argument validator (now browser friendly)

`Object.defineProperty`, but not IE 8's broken one.

Validate identifier/keywords name

Ensure that reserved words are quoted in object property keys

Define a lazily evaluated property on an object

Another JSON Schema Validator

Validate plugin/preset options

Define a non-enumerable property on an object. Uses Reflect.defineProperty when available, otherwise Object.defineProperty.

A tiny runtime library for type assertions

CSS validator built on csstree

Additional JSON-Schema keywords for Ajv JSON validator

Returns an array of all enumerable symbol properties found directly upon a given object

Define a data property on an object. Will fall back to assignment in an engine without descriptors.

Custom error messages in JSON Schemas for Ajv validator

Validate form asynchronous