Keynote: The Road To LiveView 1.0 by Chris McCord | ElixirConf EU 2023

[pillaiindu]

When Phoenix LiveView 1.0 releases, will the Optimistic UI be possible without using custom JavaScript?

Is Optimistic UI now possible with Phoenix LiveView?

A post from Dev Talk directed me to this todo demo at SvelteKit. I was surprised how slow the response of creating and deleting a todo was, considering the performance of Svelte. Then I opened the network tab and I realized it was sending requests to the server on my slow connection. I realized it needed Optimistic UI updates / Latency compensation to be instant. Then I remebered that I had asked about the possibility of Optimistic UI in LiveView in Feb 2019. I asked that question when Live…

How do you achieve Optimistic UI in Phoenix with LiveView?

Elixir is fast, but not everyone on the planet is having a fast internet connection. Optimistic UI (previously called Latency Compensation) is a concept first introduced by Meteor framework. Let me explain what Optimistic UI / Latency Compensation is: For example you’re sending a message through a chatbox. In traditional way: You typed the message pressed enter or clicked send button the browser sent an ajax request the data was stored in the database at server the server sent an OK respons…