What does HackerNews think of liveviews?

Phoenix LiveView workalikes for different languages and frameworks

Unpacking Elixir: Real-Time and Latency | Sep 2023
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Here's a list: https://github.com/liveviews/liveviews
Unicorn – A full-stack web framework for Django | Aug 2023
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Slightly longer list here:

https://github.com/liveviews/liveviews
A LiveView Is a Process | Jun 2023
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You’re right, the claim of an equivalent to LiveView is a bit far fetched.

https://github.com/liveviews/liveviews
Dynamic Forms with LiveView Streams | May 2023
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Here you go – a list of LiveView workalikes: https://github.com/liveviews/liveviews
Htmx Is the Future | May 2023
If you like the concept of putting some work back to the server instead of throwing to the client, you may also checkout the liveview approach. It drives the entire website using the server with realtime updates (similar interactivity as SPA)

This approach has been implemented in most popular programming languages used for backend development: https://github.com/liveviews/liveviews

Phoenix 1.7.0 | Mar 2023
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> "different" platform with it's own unique patterns and quirks

Much of what OP listed was a criticism directed at LiveView, the 'Live App' functionality, not Phoenix, the web framework. Live Apps are not exclusive to Phoenix either, as there are now imitators for every other web framework now, which at least speaks to its broader appeal amongst developers. So the criticism could be leveled towards the far less mature 'Live App' libraries on PHP/Python/JS/C# and so on and on:

https://github.com/liveviews/liveviews

As for lack of documentation, I find this a strange criticism to level at the Elixir ecosystem. It's documentation tooling is very good, and so libraries are typically very well documented, and often include 'doc tests' which double as both examples of usage and inline unit tests. You can simply launch the REPL (called IEx) and type `h .` and get documentation for any function.

As for the language, I think immutability and using GenServers could be a little counter-intuitive to people used to mutating variables inside of loops and using shared singletons, but elixir-lang.org and Exercism provide very approachable learning materials for understanding the language.