From 40eeea3bd94147d4a40c17e3cbd1838b0c261ae0 Mon Sep 17 00:00:00 2001
From: Robert Morrison <robert@closedless.xyz>
Date: Tue, 11 Apr 2023 22:53:55 +0100
Subject: [PATCH] feat(LSP): Add support for autoformatting in C#

Make the omnisharp language server format C# files on write.
---
 after/plugin/LSP.lua | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/after/plugin/LSP.lua b/after/plugin/LSP.lua
index 304896b..88c19b4 100644
--- a/after/plugin/LSP.lua
+++ b/after/plugin/LSP.lua
@@ -22,6 +22,25 @@ modules["mason-lspconfig"].setup_handlers {
 		modules["lspconfig"][server_name].setup {
 			capabilities = capabilities
 		}
+	end,
+	["omnisharp"] = function ()
+		modules["lspconfig"]["omnisharp"].setup {
+			capabilities = capabilities,
+			on_attach = function (client,buffnr)
+				vim.notify("attaching to CS buffer {" .. buffnr .. "}")
+				local gr = vim.api.nvim_create_augroup("CS-OnAttach",{})
+				vim.api.nvim_create_autocmd({"BufWritePre"}, {
+					group = gr,
+					pattern = {"*.cs"},
+					desc = "(C#) Format before write",
+					callback = function ()
+						vim.lsp.buf.format()
+					end
+				}
+				)
+				vim.notify("Attached to CS buffer")
+			end
+		}
 	end
 }