Add watched_files_dynamic_registration
to global state
#1905
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Motivation
Work towards Shopify/ruby-lsp-rails#326.
ruby-lsp-rails
wants to watch for file changes to**/structure.sql
. This allows it to check if the client supports this functionality before trying to send the request.It makes sense to add docs on how/why you might make use of this option in an addon, but I'll defer that until after I've actually written some functioning code.
Implementation
Move the options extraction for this into the global state.
Automated Tests
Add a few variants that a client might send.
Manual Tests
Edit a ruby file and observe that the file watcher is still being registered, i.e. that the index is being updated.