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Any changes to the file tree are ignored #2234

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@curiosity-a

Description

@curiosity-a

How are you using the lua-language-server?

Visual Studio Code Extension (sumneko.lua)

Which OS are you using?

Linux

What is the issue affecting?

Annotations, Type Checking, Completion, Diagnostics/Syntax Checking, Hover

Expected Behaviour

When you make any changes to the workspace's file tree (e.g. add a new file, rename a file), LuaLS becomes aware of them.

Actual Behaviour

New/renamed files are only recognized so long as they are open in the editor and completely forgotten about once closed.

Reproduction steps

  1. Add a new file to your existing workspace with the following content:
---@class TestClass
local TestClass = {}

function TestClass.test()
end

return TestClass
  1. Save it and close the editor tab.
  2. Require this file into a local in some other, preexisting file.
  3. Observe that the local is of unknown type.

Additional Notes

Re-running diagnostics doesn't fix this. The only workaround I have found is to completely restart VSCode.

From my limited understanding of LuaLS code, I think it has something to do with cached files. And there is no way to discard and rebuild the cache without exiting VSCode that I could find.

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