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elixir_script

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ElixirScript: compiles Elixir code to JavaScript

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elixir_script lib elixir_script prelude agent.ex
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lib/elixir_script/prelude/agent.ex 

defmodule ElixirScript.Agent do



  def start(fun) do

    pid = JS.global().processes.spawn()

    JS.global().processes.put(pid, "state", fun.());

    { :ok, pid }

  end



  def start(fun, options) do

    pid = JS.global().processes.spawn()



    if Elixir.Keyword.has_key?(options, :name) do

      pid = JS.global().processes.register(Elixir.Keyword.get(options, :name), pid)

    end



    JS.global().processes.put(pid, "state", fun.())

    { :ok, pid }

  end



  def stop(view) do

    JS.global().processes.exit(view)

    :ok

  end



  def update(agent, fun) do

    current_state = JS.global().processes.get(agent, "state")

    JS.global().processes.put(agent, "state", fun.(current_state));

    :ok

  end



  def get(agent, fun) do

    current_state = JS.global().processes.get(agent, "state")

    fun.(current_state)

  end



  def get_and_update(agent, fun) do

    current_state = JS.global().processes.get(agent, "state")

    {val, new_state} = fun.(current_state)

    JS.global().processes.put(agent, "state", new_state);

    val

  end



end