fix a specific case for getVisibleType

changelog.md

@@ -7,6 +7,7 @@
 * `NEW` Add support for lambda style functions, `|paramList| expr` is syntactic sugar for `function(paramList) return expr end` 
 * `FIX` Respect `completion.showParams` config for local function completion 
 * `CHG` Improve performance of multithreaded `--check` and `undefined-field` diagnostic
+* `FIX` Now correctly evaluates the visibility of fields in a class when they are defined directly in the object. use for completion and invisible dianostic. [#2752](https://github.com/LuaLS/lua-language-server/issues/2752)
 * `NEW` added lua regular expression support for Lua.doc.<scope>Name [#2753](https://github.com/LuaLS/lua-language-server/pull/2753)
 * `FIX` Bad triggering of the `inject-field` diagnostic, when the fields are declared at the creation of the object [#2746](https://github.com/LuaLS/lua-language-server/issues/2746)
 * `CHG` Change spacing of parameter inlay hints to match other LSPs, like `rust-analyzer`

script/vm/visible.lua

@@ -110,10 +110,14 @@ function vm.getParentClass(source)
     if source.type == 'setfield'
     or source.type == 'setindex'
     or source.type == 'setmethod'
-    or source.type == 'tablefield'
     or source.type == 'tableindex' then
         return vm.getDefinedClass(guide.getUri(source), source.node)
     end
+
+    if source.type == 'tablefield' then
+        return vm.getDefinedClass(guide.getUri(source), source.node) or
+                vm.getDefinedClass(guide.getUri(source), source.parent.parent)
+    end
     return nil
 end
 

test/diagnostics/invisible.lua

@@ -85,9 +85,43 @@ local t2
 
 print(t2.<!_id!>)
 ]]
+TEST [[
+---@class A
+local A = {
+    _id = 0
+}
+
+---@type A
+local t
+
+print(t.<!_id!>)
+
+---@class B: A
+local t2
+
+print(t2.<!_id!>)
+]]
+
 config.set(nil, 'Lua.doc.privateName', nil)
 
 config.set(nil, 'Lua.doc.protectedName', { '_*' })
+TEST [[
+---@class A
+local A = {
+    _id = 0
+}
+
+---@type A
+local t
+
+print(t.<!_id!>)
+
+---@class B: A
+local t2
+
+print(t2._id)
+]]
+
 TEST [[
 ---@class A
 ---@field _id number