From 1d8977accda5a27bfb997f51a51d3ead5a6da8dd Mon Sep 17 00:00:00 2001
From: Andreas Louv <andreas@louv.dk>
Date: Fri, 14 Apr 2023 23:39:30 +0200
Subject: [PATCH] Make it possible to disable diagnostics for a specific server

---
 autoload/lsp/diag.vim |  5 +++++
 doc/lsp.txt           | 23 +++++++++++++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/autoload/lsp/diag.vim b/autoload/lsp/diag.vim
index 2e7c216..1d28a40 100644
--- a/autoload/lsp/diag.vim
+++ b/autoload/lsp/diag.vim
@@ -211,6 +211,11 @@ enddef
 # Notification: textDocument/publishDiagnostics
 # Param: PublishDiagnosticsParams
 export def DiagNotification(lspserver: dict<any>, uri: string, newDiags: list<dict<any>>): void
+  # Diagnostics are disabled for this server
+  if lspserver.features->has_key('diagnostics') && !lspserver.features.diagnostics
+    return
+  endif
+
   var fname: string = util.LspUriToFile(uri)
   var bnr: number = fname->bufnr()
   if bnr == -1
diff --git a/doc/lsp.txt b/doc/lsp.txt
index 203f2e4..828bfd4 100644
--- a/doc/lsp.txt
+++ b/doc/lsp.txt
@@ -1398,6 +1398,23 @@ typescript-language-server for everything else: >
 		}
 	])
 <
+Another way is to disable the unwanted features: for example if you don't want
+diagnostics from the typescript-language-server, but want to use it for
+everything else: >
+
+	vim9script
+
+	g:LspAddServer([
+		{
+			filetype: ['javascript', 'typescript'],
+			path: '/usr/local/bin/typescript-language-server',
+			args: ['--stdio'],
+			features: {
+				diagnostics: false
+			}
+		},
+	])
+<
 ==============================================================================
 17. Language Server Features			*lsp-features*
 
@@ -1417,6 +1434,12 @@ declaration			Used by |:LspGotoDeclaration|, and
 						*lsp-features-definition*
 definition			Used by |:LspGotoDefinition|, and
 				|:LspPeekDefinition|
+						*lsp-features-diagnostics*
+diagnostics			Used to disable diagnostics for a single
+				language server, by default diagnostics are
+				combined from all running servers, by setting
+				this to |v:false| you can ignore diagnostics
+				from a specific server.
 						*lsp-features-documentFormatting*
 documentFormatting		Used by |:LspFormat|, and 'formatexpr'
 						*lsp-features-documentHighlight*
-- 
2.50.0