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Avoid stdin read by tailwindcss watch command #349

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Apr 25, 2024
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Avoid stdin read by tailwindcss watch command #349

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7 changes: 6 additions & 1 deletion lib/puma/plugin/tailwindcss.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,12 @@ def start(launcher)
@puma_pid = $$
@tailwind_pid = fork do
Thread.new { monitor_puma }
system(*Tailwindcss::Commands.watch_command)
# Using IO.popen(command, 'r+') will avoid watch_command read from $stdin.
# If we use system(*command) instead, IRB and Debug can't read from $stdin
# correctly bacause some keystrokes will be taken by watch_command.
IO.popen(Tailwindcss::Commands.watch_command, 'r+') do |io|
IO.copy_stream(io, $stdout)
end
end

launcher.events.on_stopped { stop_tailwind }
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