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elixir_script

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ElixirScript: compiles Elixir code to JavaScript

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elixir_script lib std_lib agent.ex
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lib/std_lib/agent.ex 

defmodule ElixirScript.Agent do

  @moduledoc false

  require JS



  def start(fun, options \\ []) do

    pid = JS.new Elixir.Core.PID, []



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

      Elixir.Keyword.get(options, :name)

    else

      nil

    end



    Elixir.Core.Store.create(pid, fun.(), name)

    { :ok, pid }

  end



  def start_link(fun, options \\ []) do

    pid = JS.new Elixir.Core.PID, []



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

      Elixir.Keyword.get(options, :name)

    else

      nil

    end



    Elixir.Core.Store.create(pid, fun.(), name)

    { :ok, pid }

  end



  def stop(agent) do

    Elixir.Core.Store.remove(agent)

    :ok

  end



  def update(agent, fun) do

    current_state = Elixir.Core.Store.read(agent)

    Elixir.Core.Store.update(agent, fun.(current_state))

    :ok

  end



  def get(agent, fun) do

    current_state = Elixir.Core.Store.read(agent)

    fun.(current_state)

  end



  def get_and_update(agent, fun) do

    current_state = Elixir.Core.Store.read(agent)

    {val, new_state} = fun.(current_state)

    Elixir.Core.Store.update(agent, new_state)

    val

  end



end