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JavaScript runtime for the BEAM — Web APIs backed by OTP, native DOM, and a built-in TypeScript toolchain.

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quickbeam lib quickbeam node_os.ex
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lib/quickbeam/node_os.ex 

defmodule QuickBEAM.NodeOS do

  @moduledoc false



  def platform([]) do

    QuickBEAM.NodeProcess.platform([])

  end



  def arch([]) do

    QuickBEAM.NodeProcess.arch([])

  end



  def hostname([]) do

    {:ok, name} = :inet.gethostname()

    List.to_string(name)

  end



  def release([]) do

    :erlang.system_info(:system_version)

    |> List.to_string()

    |> String.trim()

  end



  def homedir([]) do

    System.user_home() || "/tmp"

  end



  def tmpdir([]) do

    System.tmp_dir() || "/tmp"

  end



  def cpu_count([]) do

    System.schedulers_online()

  end



  def totalmem([]) do

    :erlang.memory(:total)

  end



  def freemem([]) do

    :erlang.memory(:total) - :erlang.memory(:processes_used) - :erlang.memory(:system)

  end



  def uptime([]) do

    :erlang.statistics(:wall_clock) |> elem(0) |> div(1000)

  end

end