A simple cache for a few of the JS Error constructors.

Mongo Collections - Strongly-typed MongoDB collections with optional document transformers (substituers), domain errors, and a small service layer. Built on the official mongodb driver.

Create HTTP error objects

Use domains for graceful error handling in expressjs

simple persistent cookiejar system

Node's domain module for the web browser. This is merely an evented try...catch with the same API as node, nothing more.

Javascript module template.

Email address and domain validation

A drop-in replacement for new RegExp() with types

JSON.parse with context information on error

Email address and domain validation

TypeScript definitions for http-errors

Parses set-cookie headers into objects

TLDS list for domain validation

JSON.parse with context information on error

Human-friendly JSON Schema validation for APIs

Decouple your business logic from your controllers. With first-class type inference from end to end.

Splits a hostname into subdomains, domain and (effective) top-level domains

Custom error messages in JSON Schemas for Ajv validator

Create an error from multiple errors