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E2E reactivity for Vue and LiveView

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live_vue lib ssr.ex
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lib/ssr.ex 

defmodule LiveVue.SSR.NotConfigured do

  @moduledoc false



  defexception [:message]

end



defmodule LiveVue.SSR do

  require Logger



  @moduledoc """

  A behaviour for rendering Vue components server-side.



  To define a custom renderer, change the application config in `config.exs`:



      config :live_vue, ssr_module: MyCustomSSRModule



  Exposes a telemetry span for each render under key `[:live_vue, :ssr]`

  """



  @type component_name :: String.t()

  @type props :: %{optional(String.t() | atom) => any}

  @type slots :: %{optional(String.t() | atom) => any}



  @typedoc """

  A render response which should be a rendered HTML string.

      }

  """

  @type render_response :: String.t()



  @callback render(component_name, props, slots) :: render_response | no_return



  @spec render(component_name, props, slots) :: render_response | no_return

  def render(name, props, slots) do

    case Application.get_env(:live_vue, :ssr_module, nil) do

      nil ->

        ""



      mod ->

        meta = %{component: name, props: props, slots: slots}



        :telemetry.span([:live_vue, :ssr], meta, fn ->

          {mod.render(name, props, slots), meta}

        end)

    end

  end

end