From e40cc1d51d622b26f07bf2eaed4bdde969d287d5 Mon Sep 17 00:00:00 2001
From: "shane.xb.qian" <shane.qian@foxmail.com>
Date: Thu, 17 Nov 2022 17:02:12 +0800
Subject: [PATCH] feat: make workspace/workspaceFolders really work and correct
 sendResponse func

Signed-off-by: shane.xb.qian <shane.qian@foxmail.com>
---
 autoload/lsp/handlers.vim  | 12 +++++++++++-
 autoload/lsp/lspserver.vim |  4 ++--
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/autoload/lsp/handlers.vim b/autoload/lsp/handlers.vim
index cfa3239..fd9c7b2 100644
--- a/autoload/lsp/handlers.vim
+++ b/autoload/lsp/handlers.vim
@@ -120,7 +120,17 @@ enddef
 # Request: "workspace/workspaceFolders"
 # Param: none
 def ProcessWorkspaceFoldersReq(lspserver: dict<any>, request: dict<any>)
-  lspserver.sendResponse(request, {}, {})
+  if !lspserver->has_key('workspaceFolders')
+    lspserver.sendResponse(request, null, {})
+    return
+  endif
+  if empty(lspserver.workspaceFolders)
+    lspserver.sendResponse(request, [], {})
+  else
+    lspserver.sendResponse(request,
+	  \ map(copy(lspserver.workspaceFolders), '{name: v:val->fnamemodify(":t"), uri: util.LspFileToUri(v:val)}'),
+	  \ {})
+  endif
 enddef
 
 # process the client/registerCapability LSP server request
diff --git a/autoload/lsp/lspserver.vim b/autoload/lsp/lspserver.vim
index fe4a7af..df4a047 100644
--- a/autoload/lsp/lspserver.vim
+++ b/autoload/lsp/lspserver.vim
@@ -518,7 +518,7 @@ def CreateNotification(lspserver: dict<any>, notif: string): dict<any>
 enddef
 
 # send a response message to the server
-def SendResponse(lspserver: dict<any>, request: dict<any>, result: dict<any>, error: dict<any>)
+def SendResponse(lspserver: dict<any>, request: dict<any>, result: any, error: dict<any>)
   if (request.id->type() == v:t_string
 	&& (request.id->trim() =~ '[^[:digit:]]\+'
 	    || request.id->trim() == ''))
@@ -528,7 +528,7 @@ def SendResponse(lspserver: dict<any>, request: dict<any>, result: dict<any>, er
   endif
   var resp: dict<any> = lspserver.createResponse(
 	    request.id->type() == v:t_string ? request.id->str2nr() : request.id)
-  if result->type() != v:t_none
+  if empty(error)
     resp->extend({result: result})
   else
     resp->extend({error: error})
-- 
2.48.1