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Tool for debugging LiveView applications

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live_debugger lib live_debugger_web helpers state_helper.ex
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lib/live_debugger_web/helpers/state_helper.ex 

defmodule LiveDebuggerWeb.Helpers.StateHelper do

  @moduledoc """

  This module has helper functions for managing state

  """

  alias LiveDebugger.CommonTypes

  alias LiveDebugger.Services.ChannelService



  @doc """

  Fetches state using ChannelService when no state is passed

  """

  @spec maybe_get_state(pid :: pid(), channel_state :: CommonTypes.channel_state() | nil) ::

          {:ok, CommonTypes.channel_state()} | {:error, term()}

  def maybe_get_state(pid, channel_state \\ nil) when is_pid(pid) do

    if is_nil(channel_state) do

      ChannelService.state(pid)

    else

      {:ok, channel_state}

    end

  end

end