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Add support for deflate_options configuration #21

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Merged
mtrudel merged 3 commits into from
Nov 5, 2025
Merged

Add support for deflate_options configuration #21

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9b61336
Pass deflate_opts cowboy option
studzien Jun 20, 2025
066663c
Mention new option in the docs, use bandit's deflate_options
studzien Nov 3, 2025
9f8a6c9
Fix how deflate options is passed
studzien Nov 3, 2025
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3 changes: 3 additions & 0 deletions lib/websock_adapter.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,8 @@ defmodule WebSockAdapter do
the performance of the server. Higher values reduce the number of times Cowboy need to request more
packets from the port driver at the expense of potentially higher memory being used.
This option does not apply to Websocket over HTTP/2
* `deflate_options`: A keyword list of options to pass to the deflate library.
See `Bandit` or `:cow_ws` documentation for more details
"""
@spec upgrade(Plug.Conn.t(), WebSock.impl(), WebSock.state(), [connection_opt()]) ::
Plug.Conn.t()
Expand Down Expand Up @@ -83,6 +85,7 @@ defmodule WebSockAdapter do
{:max_frame_size, _} = opt -> [opt]
{:validate_utf8, _} = opt -> [opt]
{:active_n, _} = opt -> [opt]
{:deflate_options, deflate_options} -> [deflate_opts: deflate_options]
_other -> []
end)
|> Map.new()
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