Official validator for AMP HTML (www.ampproject.org)

Execute callbacks when child processes are spawned

Internationalized calendar, date, and time manipulation utilities

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.

Easily handle defaults for your options

TypeScript's 1:1 validator, optimized from editor to runtime

No-dependencies, low-level, high-performance JIT code generation package for JavaScript

Type driven schema validator

a date and time library for javascript

Validate postcodes based on country

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

Use node's fs.realpath, but fall back to the JS implementation if the native one fails

Super simple IP Address validator for ipv4 & ipv6

Schema/draft model layer for settings editors: rehydrates a serialized schemastery schema, validates drafts, and edits them immutably by path

Declarative runtime type validator for JavaScript

Fork of the class-validator package. Decorator-based property validation for classes.

A (XSD) schema validator for nodejs

Easily read/write JSON files.

Simple API validation for Express routes.

Natural Sort algorithm for Javascript - Version 0.7 - Released under MIT license