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29 lines
677 B
Elixir
29 lines
677 B
Elixir
defmodule Asciinema.TrailingFormat do
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@known_extensions ["js", "json", "png", "gif"]
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def init(opts), do: opts
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def call(conn, _opts) do
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case conn.path_info do
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[] ->
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conn
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path_info ->
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%{conn | path_info: rewrite_path_info(path_info)}
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end
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end
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defp rewrite_path_info(path_info) do
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path_info
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|> List.last
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|> String.split(".")
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|> Enum.reverse
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|> case do
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[format | fragments] when format in @known_extensions ->
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id = fragments |> Enum.reverse |> Enum.join(".")
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path_info |> List.replace_at(-1, id) |> List.insert_at(-1, format)
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_ ->
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path_info
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end
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end
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end
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