Put_flash for local page

[yos1p]

I’m trying to flash an error, but I realized that put_flash/3 only works if I call either push_redirect/2 or push_patch/2. But what if I want to put_flash without redirecting or patching to another page. I want to display it there.

Is there any way how to do this?

[yos1p]

The only way I can think of is to use push_redirect/2, and use the route with helper function from Routes. So far, it works, but would be nice if there’s another way of put the flash without the push_redirect.

[kokolegorille]

You can use a simple notice variable in assigns, acting like a flash message.

See this post.

Patterns for displaying errors to users with LiveView

Flash is nice for redirecting away from the LV, but for showing the user feedback as they are interacting with your LV, you can simply lean on the existing features: def render(assigns) do ~L""" <%= if @notice do %> <h2><%= @notice %> <% end %> ... """ end def mount(_, socket) do {:ok, assign(socket, ..., notice: nil)} end ... def handle_event(...) do case some_thing(...) do ... -> {:error, _} -> {:noreply, assign(socket, :notice, "it didn't work")} end end That’s …