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next_ls

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The language server for Elixir that just works. No longer published to Hex, please see our GitHub Releases for downloads.

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next_ls lib next_ls diagnostic_cache.ex
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lib/next_ls/diagnostic_cache.ex 

defmodule NextLS.DiagnosticCache do

  # TODO: this should be an ETS table

  @moduledoc false

  use Agent



  def start_link(opts) do

    Agent.start_link(fn -> Map.new() end, Keyword.take(opts, [:name]))

  end



  def get(cache) do

    Agent.get(cache, & &1)

  end



  def put(cache, namespace, filename, diagnostic) do

    Agent.update(cache, fn cache ->

      Map.update(cache, namespace, %{filename => [diagnostic]}, fn cache ->

        Map.update(cache, filename, [diagnostic], fn v ->

          [diagnostic | v]

        end)

      end)

    end)

  end



  def clear(cache, namespace) do

    Agent.update(cache, fn cache ->

      Map.update(cache, namespace, %{}, fn cache ->

        for {k, _} <- cache, into: Map.new() do

          {k, []}

        end

      end)

    end)

  end

end