ERR Packages

Generate heap dumps and detailed output for uncaught exceptions and critical errors

Function to get JSON friendly object from error (Node/V8 only).

Converts result-first callbacks to classic (node.js-style) error-first callbacks with 3 lines of code. Useful when you want to promisify result-first APIs (like emitter.on). Inspired by [rfpify][] and probably used in it.

A callback wrapper library that reduces the number of checks needed to propagate errors up the callback chain

Portable errors for Javascript

proptype validators for results instances

This module logs errors that you give it to log.

get rid of `if (err) throw err`

Result in TypeScript

A simple module to make showing users an error easier

Deep and shallow clone.

Generic Error Handler

Extra err.stack entries for debuggability. Better than your plain 'if (err) { return cb(err) }'

Displays http status in browser, good for error handling.

A lightweight functional library for functional composition and object composition.

This module logs errors that you give it to log.

verror that also works for browsers and react-native

richer JavaScript errors, but without sprintf

提供了响应错误信息的中间件