It makes simple create qualified errors.
MIT License
Enumed, dictionary-based and dependenciless javascript (ES6) error library.
A graceful error handler for Express and Restify applications.
a talk about generator, co and koa
A guide for styling your node.js / JavaScript code. Fork & adjust to your taste.
Custom error constructor factory.
Generate valid custom error and exception classes for Node.js.
λ "Functions all the way down" data validation for JavaScript and TypeScript.
Create HTTP Errors
⛑ Better error reporting for Node.js command-line apps.
do things in development and nothing otherwise
Functional errors with formatted output
JavaScript parser / mangler / compressor / beautifier toolkit
Draft for ECMAScript Error Safe Assignment Operator
A base class for JavaScript errors
Compare and test various custom error implementations.