fix #946

don't assume the client will cache diagnostics

Author: sumneko

changelog.md

@@ -7,6 +7,7 @@
 * `FIX` [#941](https://github.com/sumneko/lua-language-server/issues/941)
 * `FIX` [#941](https://github.com/sumneko/lua-language-server/issues/942)
 * `FIX` [#943](https://github.com/sumneko/lua-language-server/issues/943)
+* `FIX` [#946](https://github.com/sumneko/lua-language-server/issues/946)
 
 ## 2.6.3
 `2022-1-25`

script/provider/diagnostic.lua

@@ -253,6 +253,11 @@ function m.doDiagnostic(uri, isScopeDiag)
         end
     end
 
+    -- always re-sent diagnostics of current file
+    if not isScopeDiag then
+        m.cache[uri] = nil
+    end
+
     pushResult()
 
     local lastPushClock = os.clock()