travisf
I have a LiveView with a fairly beefy LiveComponent that renders inside of it. From my understanding of the docs you can pass render_hook/3 the element/2 of a LiveComponent and it should be able to handle the event.
My test LV looks like this:
<.live_component module={LVTestWeb.ComponentTab}
id="component-tab"
location={@location}
user={@current_user}
socket={@socket}/>
ComponentTab:
def render(assigns) do
~H"""
<div class="row d-flex flex-row flex-nowrap" id="component" phx-hook="SortableHook">
... inner content ...
</div>
"""
end
def handle_event("reorder", params, socket),
do: reorder(socket, params)
@doc false
@spec reorder(LiveView.Socket.t(), PBG.frontend_params_t()) ::
LiveView.Socket.t()
def reorder(socket, params) do
... reorder logic
end
The test:
view
|> element("#machine-schedule")
|> render_hook("reorder", params)
This is the error:
** (FunctionClauseError) no function clause matching in AdminWeb.Liv eViewExample.Index.handle_event/3
From what I understand shouldn’t the event be going to the LV Component and not the parent LV? That’s how it works when users interact with the LV. What am I missing from render_hook/3
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codeanpeace
Hmm, did you define
phx-target={@myself}on the#machine-scheduleelement?source: Phoenix.LiveViewTest.render_hook/3
travisf
Ah! That did the trick. I’m surprised this worked without the
phx-targetbut it’s been in production for several months now without issue.cloud8421
Experienced the same issue and I’m not sure if @travisf had the same setup as me, but something that tripped me was that in the JS portion of the code I was using
this.pushEventTowith a target element. This made it that the application worked, but test wouldn’t.