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This patch is necessary to allow prettier-emacs to be configured using TRAMP. If the buffer being saved is a remote file, it has a preamble that looks something like
/ssh:example.com:/path/to/file
. These changes strip that preamble and pass just the file path to theprettier
command.In my setup, I have ssh keys set up between my development machine and the server on which the code and the
prettier
executable live. My prettier-emacs config looks something like this:This configuration, in conjunction with this patch, causes things to work as expected.