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styler

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A code-style enforcer that will just FIFY instead of complaining

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styler lib styler config.ex
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lib/styler/config.ex 

# Copyright 2024 Adobe. All rights reserved.

# This file is licensed to you under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License. You may obtain a copy

# of the License at http://www.apache.org/licenses/LICENSE-2.0



# Unless required by applicable law or agreed to in writing, software distributed under

# the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS

# OF ANY KIND, either express or implied. See the License for the specific language

# governing permissions and limitations under the License.



defmodule Styler.Config do

  @moduledoc false

  @key __MODULE__



  @stdlib MapSet.new(~w(

    Access Agent Application Atom Base Behaviour Bitwise Code Date DateTime Dict Ecto Enum Exception

    File Float GenEvent GenServer HashDict HashSet Integer IO Kernel Keyword List

    Macro Map MapSet Module NaiveDateTime Node Oban OptionParser Path Port Process Protocol

    Range Record Regex Registry Set Stream String StringIO Supervisor System Task Time Tuple URI Version

  )a)



  def set(config) do

    :persistent_term.get(@key)

    :ok

  rescue

    ArgumentError -> set!(config)

  end



  def set!(config) do

    excludes =

      config[:alias_lifting_exclude]

      |> List.wrap()

      |> MapSet.new(fn

        atom when is_atom(atom) ->

          case to_string(atom) do

            "Elixir." <> rest -> String.to_atom(rest)

            _ -> atom

          end



        other ->

          raise "Expected an atom for `alias_lifting_exclude`, got: #{inspect(other)}"

      end)

      |> MapSet.union(@stdlib)



    :persistent_term.put(@key, %{

      lifting_excludes: excludes

    })

  end



  def get(key) do

    @key

    |> :persistent_term.get()

    |> Map.fetch!(key)

  end

end