fix: add a missing check for 'inject-field' diagnostics

.vscode/tasks.json

@@ -29,7 +29,7 @@
             },
             "options": {
                 "cwd": "${workspaceFolder}/3rd/luamake"
-            },
+            }
         },
         {
             "type": "shell",
@@ -42,7 +42,12 @@
             },
             "osx": {
                 "command": "${workspaceFolder}/3rd/luamake/luamake rebuild"
+            },
+            "problemMatcher": [],
+            "group": {
+                "kind": "build",
+                "isDefault": true
             }
-        },
+        }
     ]
 }

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` 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)
 
 ## 3.9.3
 `2024-6-11`

script/core/diagnostics/inject-field.lua

@@ -68,6 +68,9 @@ return function (uri, callback)
             if def.type == 'doc.field' then
                 return
             end
+            if def.type == 'tablefield' and not isExact then
+                return
+            end
         end
 
         local howToFix = ''

test/diagnostics/inject-field.lua

@@ -82,3 +82,16 @@ function m:init() -- OK
     end
 end
 ]]
+
+TEST [[
+---@class Class
+local m = {
+    xx = 1, -- OK
+}
+
+---@type Class
+local m
+
+m.xx = 1 -- OK
+m.<!yy!> = 1 -- Warning
+]]