liveview_article_sample.ex

defmodule MyView do
  use MyAppWeb, :live_view

  def mount(_params, _session, socket) do
    send(self(), {:load_data})

    {:ok,
     assign(socket,
       data: ""
     )}
  end

  def handle_info({:load_data}, socket) do
    # This thing fetches data from some external service or db, let's say
    response = MyDataFetcher.fetch()

    {:noreply,
     assign(socket,
       data: response
     )}
  end

  def render(assigns) do
    ~L"""
    <div><%= @data %></div>
    """
  end
end