make-error

Make your own error types!

v1.3.6 URL: https://unpkg.com/make-error@1.3.6/index.js

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create custom derive error errors extend extending extension factory inherit make subclass

graceful-fs

A drop-in replacement for fs, making various improvements.

v4.2.11 URL: https://unpkg.com/graceful-fs@4.2.11/graceful-fs.js

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fs module reading retry retries queue error errors handling EMFILE EAGAIN EINVAL EPERM EACCESS

error-ex

Easy error subclassing and stack customization

v1.3.2 URL: https://unpkg.com/error-ex@1.3.2/index.js

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error errors extend extending extension subclass stack custom

youch

HTML Pretty error stack viewer

v3.3.4 URL: https://unpkg.com/youch@3.3.4/src/Youch.js

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errors error-reporting whoops

elastic-apm-node

The official Elastic APM agent for Node.js

v4.8.1 URL: https://unpkg.com/elastic-apm-node@4.8.1/index.js

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opbeat elastic elasticapm elasticsearch log logging bug bugs error errors exception exceptions catch monitor monitoring alert alerts performance apm ops devops stacktrace trace tracing distributedtracing distributed-tracing