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lib/bundlex/helper/directory_helper.ex
defmodule Bundlex.Helper.DirectoryHelper do
@moduledoc """
Module containing helper functions that ease traversing directories.
"""
@doc """
Tries to find a directory that matches given pattern that has the biggest
version number if it is expected to be a suffix.
"""
@spec wildcard(String.t()) :: nil | String.t()
def wildcard(pattern) do
directory =
Path.wildcard(pattern)
|> Enum.sort()
|> List.last()
case directory do
nil ->
nil
directory ->
directory
end
end
@doc """
Fixes slashes in the given path to match convention used on current
operating system.
Internally all elixir functions use slash as a path separator, even if
running on windows, and it's not a bug but a feature (lol).
See https://github.com/elixir-lang/elixir/issues/1236
"""
@spec fix_slashes(String.t()) :: String.t()
def fix_slashes(path) do
case :os.type() do
{:win32, _} ->
path |> String.replace("/", "\\")
_ ->
path
end
end
end