I’ve just seen @zachdaniel 's editor experience using Ash here: figure out nextension api · Issue #57 · elixir-tools/next-ls · GitHub
Based on the documentation on the website the only thing you need to get that exprience is to have ElixirLS installed. I use VSCode and have the ElixirLS extension installed, but I don’t the get the same experience, and I’m not sure why?
ElixirLS extension is generally working fine, but I don’t get all the autocomplete suggestions for Ash.
Here is a short video of my editor exprience trying something similar to what Zach is showing in his editor: