error-ex

Easy error subclassing and stack customization

v1.3.4 URL: https://unpkg.com/error-ex@1.3.4/index.js

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error errors extend extending extension subclass stack custom

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

verror

richer JavaScript errors

v1.10.1 URL: https://unpkg.com/verror@1.10.1/lib/verror.js

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error errors err exception exceptions custom

make-error-cause

Make your own nested error types!

v2.3.0 URL: https://unpkg.com/make-error-cause@2.3.0/dist/index.js

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nested error cause extend inherit custom

custom-error-instance

Create custom JavaScript errors that also match instanceof.

v2.1.2 URL: https://unpkg.com/custom-error-instance@2.1.2/index.js

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error custom custom-error instance instanceof