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Client-Side Type-Based Publisher/Subscriber, Exploring Synchronous, "Event-ed", and Worker Thread Subscriptions

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1 Jan 2021CPOL27 min read 10K   59   6  
Route semantic data to both client-side and server-side subscribers, in which client-side subscribers can be processed immediately, or placed on the message queue, or run in real asynchronous worker threads.
One of the things I observe about front-end development is the propensity for spaghetti code: deeply nested function calls, complex conditional logic, and complex / embedded handling of UI events, AJAX events, and observables via Proxy nowadays. Yes, these can all be corrected with better implementation discipline, but one thing remains that has always frustrated me about front-end development is that it is process-oriented, not "data type" oriented. On the back end, I solved this years ago with architectures like HOPE and a Semantic Publisher/Subscriber architecture, but front-end development does not have the Type reflection features of C#.

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Marc Clifton
Architect Interacx
United States United States
Blog: https://marcclifton.wordpress.com/
Home Page: http://www.marcclifton.com
Research: http://www.higherorderprogramming.com/
GitHub: https://github.com/cliftonm

All my life I have been passionate about architecture / software design, as this is the cornerstone to a maintainable and extensible application. As such, I have enjoyed exploring some crazy ideas and discovering that they are not so crazy after all. I also love writing about my ideas and seeing the community response. As a consultant, I've enjoyed working in a wide range of industries such as aerospace, boatyard management, remote sensing, emergency services / data management, and casino operations. I've done a variety of pro-bono work non-profit organizations related to nature conservancy, drug recovery and women's health.

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Posted 1 Jan 2021

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