Update LSP options for new haskell-lsp-0.18

src/Haskell/Ide/Engine/Transport/LspStdio.hs

@@ -30,7 +30,6 @@ import qualified Data.ByteString.Lazy as BL
 import           Data.Coerce (coerce)
 import           Data.Default
 import           Data.Foldable
-import           Data.List.NonEmpty ( nonEmpty )
 import qualified Data.Map as Map
 import           Data.Maybe
 import           Data.Semigroup (Semigroup(..), Option(..), option)
@@ -969,32 +968,13 @@ hieOptions commandIds =
   def { Core.textDocumentSync       = Just syncOptions
       -- The characters that trigger completion automatically.
       , Core.completionTriggerCharacters = Just ['.']
-
-      -- The list of all possible characters that commit a completion. This field can be used
-      -- if clients don't support individual commmit characters per completion item. See
-      -- `_commitCharactersSupport`.
-      -- , completionAllCommitCharacters    :: Maybe [Char]
-
-      -- The characters that trigger signature help automatically.
-      -- , signatureHelpTriggerCharacters   :: Maybe [Char]
-
-      -- List of characters that re-trigger signature help.
-      -- These trigger characters are only active when signature help is already showing. All trigger characters
-      -- are also counted as re-trigger characters.
-      -- , signatureHelpRetriggerCharacters :: Maybe [Char]
-
-      -- CodeActionKinds that this server may return.
-      -- The list of kinds may be generic, such as `CodeActionKind.Refactor`, or the server
-      -- may list out every specific kind they provide.
-      -- , codeActionKinds                  :: Maybe [J.CodeActionKind]
-
-      -- The list of characters that triggers on type formatting.
-      -- If you set `documentOnTypeFormattingHandler`, you **must** set this.
-      , Core.documentOnTypeFormattingTriggerCharacters = nonEmpty []
-
-      -- The commands to be executed on the server.
-      -- If you set `executeCommandHandler`, you **must** set this.
-      , Core.executeCommandCommands           = Just commandIds
+      -- As of 2018-05-24, vscode needs the commands to be registered
+      -- otherwise they will not be available as codeActions (will be
+      -- silently ignored, despite UI showing to the contrary).
+      --
+      -- Hopefully the end May 2018 vscode release will stabilise
+      -- this, it is a major rework of the machinery anyway.
+      , Core.executeCommandCommands = Just commandIds
       }