Remove railties runtime dependency #239
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andheiberg reviewed Jun 12, 2025
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I can confirm we have a real use-case for using Propshaft outside of Rails and that this would make that possible.
zcei force-pushed the remove-railties-dep branch from c1cb288 to 94a95aa Compare 
We don't need to go back to the Rails application to access the cache sweeper we already have the assembly instance in the server class.
So the LoadPath class don't need to go back to the Rails application to access the file watcher.
rafaelfranca force-pushed the remove-railties-dep branch from 5ac27c8 to 8ea1b4f Compare 
rafaelfranca approved these changes Jun 12, 2025
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This library technically has no dependency on
railtiesto function.Only if the environment we're in defines
Railtie(Ruby on Rails) we want to load Rails specific behavior, but at this point we can rely on the gem already being loaded.Making this change enables us to make it actually work in a standalone Rack environment, without implicitly changing the behavior of other gems that try to load their own railties because of the dependency being loaded.