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JavaScript: Functional Programming for JavaScript Developers
book

JavaScript: Functional Programming for JavaScript Developers

by Ved Antani, Simon Timms, Dan Mantyla
August 2016
Intermediate to advanced
635 pages
14h 5m
English
Packt Publishing
Content preview from JavaScript: Functional Programming for JavaScript Developers

Dead letter queues

No matter how hard I try I have yet to write any significant block of code that does not contain any errors. Nor have I been very good at predicting the wide range of crazy things users do with my applications. Why would anybody click that link 73 times in a row? I'll never know.

Dealing with failures in a messaging scenario is very easy. The core of the failure strategy is to embrace errors. We have exceptions for a reason and to spend all of our time trying to predict and catch exceptions is counter-productive. You'll invariably spend time building in catches for errors that never happen and miss errors that happen frequently.

In an asynchronous system, errors need not be handled as soon as they occur. Instead, the message that ...

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Publisher Resources

ISBN: 9781787124660