LspAttach autocmd instead of on_attach fn

init.lua

@@ -351,6 +351,12 @@ require'packer'.startup(function(use)
 	use 'vim-airline/vim-airline'
 	use 'vim-airline/vim-airline-themes'
 	use 'romgrk/barbar.nvim'
+	use {'luckasRanarison/clear-action.nvim', config = function()
+		require'clear-action'.setup {
+			signs = { enable = false },
+			popup = { enable = true },
+		}
+	end}
 	use {'MattesGroeger/vim-bookmarks', config = function()
 		vim.g.bookmark_no_default_key_mappings = 1
 		vim.g.bookmark_save_per_working_dir = 1
@@ -923,66 +929,73 @@ capabilities.textDocument.foldingRange = {
 }
 
 ---- lsp: language servers ----
---- Performs keymaps and other setup specific to buffers with LSP enabled
+au('LspAttach', {
---- @param bufnr number
+	callback = function (event)
---- @diagnostic disable-next-line: unused-local
+		local bufnr = event.buf
-local function on_attach(client, bufnr)
+		local client = vim.lsp.get_client_by_id(event.data.client_id)
-	require'which-key'.register({
+		local function code_action()
-		['<Leader>l'] = {
+			local ok, clear_action = pcall(require, 'clear-action')
-			D = {vim.lsp.buf.declaration, 'Declaration'},
+			if ok then
-			d = {'<Cmd>Telescope lsp_definitions<CR>', 'Definition'},
+				clear_action.code_action()
-			i = {'<Cmd>Telescope lsp_implementations<CR>', 'Implementation'},
+			else
-			a = {vim.lsp.buf.code_action, 'Code action'},
+				vim.lsp.buf.code_action()
-			r = {vim.lsp.buf.rename, 'Rename'},
+			end
-			h = {function() vim.lsp.inlay_hint(0, nil) end, 'Inlay hints'},
+		end
-			l = {vim.lsp.codelens.refresh, 'Show codelenses'},
+		require'which-key'.register({
-			L = {vim.lsp.codelens.run, 'Run codelens'},
+			['<Leader>l'] = {
-			t = {'<Cmd>Telescope lsp_type_definitions<CR>', 'Type definition'},
+				D = {vim.lsp.buf.declaration, 'Declaration'},
-			u = {'<Cmd>Telescope lsp_references<CR>', 'Usages/references'}
+				d = {'<Cmd>Telescope lsp_definitions<CR>', 'Definition'},
-		},
+				i = {'<Cmd>Telescope lsp_implementations<CR>', 'Implementation'},
-		g = {
+				a = {code_action, 'Code action'},
-			d = {vim.lsp.buf.definition, 'Goto definition'},
+				r = {vim.lsp.buf.rename, 'Rename'},
-			D = {vim.lsp.buf.implementation, 'Goto implementation'},
+				h = {function() vim.lsp.inlay_hint(0, nil) end, 'Inlay hints'},
-			a = {vim.lsp.buf.code_action, 'Code action'},
+				l = {vim.lsp.codelens.refresh, 'Show codelenses'},
-			R = {vim.lsp.buf.rename, 'Rename'},
+				L = {vim.lsp.codelens.run, 'Run codelens'},
-			y = {vim.lsp.buf.type_definition, 'Type definition'},
+				t = {'<Cmd>Telescope lsp_type_definitions<CR>', 'Type definition'},
-		},
+				u = {'<Cmd>Telescope lsp_references<CR>', 'Usages/references'}
-		[']'] = {
+			},
-			g = {vim.diagnostic.goto_next, 'Next diagnostic'},
+			g = {
-			e = {function() vim.diagnostic.goto_next { severity = vim.diagnostic.severity.ERROR } end, 'Next error'},
+				d = {vim.lsp.buf.definition, 'Goto definition'},
-			w = {function() vim.diagnostic.goto_next { severity = vim.diagnostic.severity.WARN } end, 'Next warning'},
+				D = {vim.lsp.buf.implementation, 'Goto implementation'},
-			q = {vim.diagnostic.setqflist, 'Quickfix diagnostics'},
+				a = {code_action, 'Code action'},
-		},
+				R = {vim.lsp.buf.rename, 'Rename'},
-		['['] = {
+				y = {vim.lsp.buf.type_definition, 'Type definition'},
-			g = {vim.diagnostic.goto_prev, 'Previous diagnostic'},
+			},
-			e = {function() vim.diagnostic.goto_prev { severity = vim.diagnostic.severity.ERROR } end, 'Previous error'},
+			[']'] = {
-			w = {function() vim.diagnostic.goto_prev { severity = vim.diagnostic.severity.WARN } end, 'Previous warning'},
+				g = {vim.diagnostic.goto_next, 'Next diagnostic'},
-		},
+				e = {function() vim.diagnostic.goto_next { severity = vim.diagnostic.severity.ERROR } end, 'Next error'},
-		['<C-h>'] = {vim.lsp.buf.document_highlight, 'Highlight object under cursor'},
+				w = {function() vim.diagnostic.goto_next { severity = vim.diagnostic.severity.WARN } end, 'Next warning'},
-	}, {buffer = bufnr})
+				q = {vim.diagnostic.setqflist, 'Quickfix diagnostics'},
-	-- Hover
+			},
-	require'which-key'.register({
+			['['] = {
-		['K'] = {vim.lsp.buf.hover, 'Documentation'},
+				g = {vim.diagnostic.goto_prev, 'Previous diagnostic'},
-		['<C-k>'] = {vim.lsp.buf.signature_help, 'Function signature'},
+				e = {function() vim.diagnostic.goto_prev { severity = vim.diagnostic.severity.ERROR } end, 'Previous error'},
-	}, {buffer = bufnr})
+				w = {function() vim.diagnostic.goto_prev { severity = vim.diagnostic.severity.WARN } end, 'Previous warning'},
-	require'which-key'.register({
+			},
-		['<M-k>'] = {vim.lsp.buf.signature_help, 'Function signature'}
+			['<C-h>'] = {vim.lsp.buf.document_highlight, 'Highlight object under cursor'},
-	}, {buffer = bufnr, mode = 'i'})
+		}, {buffer = bufnr})
+		-- Hover
+		require'which-key'.register({
+			['K'] = {vim.lsp.buf.hover, 'Documentation'},
+			['<C-k>'] = {vim.lsp.buf.signature_help, 'Function signature'},
+		}, {buffer = bufnr})
+		require'which-key'.register({
+			['<M-k>'] = {vim.lsp.buf.signature_help, 'Function signature'}
+		}, {buffer = bufnr, mode = 'i'})
 
-	vim.bo.tagfunc = 'v:lua.vim.lsp.tagfunc'
+		vim.bo.tagfunc = 'v:lua.vim.lsp.tagfunc'
 
-	require'nvim-navic'.attach(client, bufnr)
+		require'nvim-navic'.attach(client, bufnr)
-end
+	end
+})
 
 -- Enable language servers
 local default = {
 	capabilities = capabilities,
-	on_attach = on_attach,
 }
 
 require'lspconfig'.lua_ls.setup {
 	capabilities = capabilities,
-	on_attach = on_attach,
 	settings = {
 		Lua = {
 			runtime = {
@@ -1054,7 +1067,6 @@ au('FileType', {
 			capabilities = capabilities,
 
 			on_attach = function (client, bufnr)
-				on_attach(client, bufnr)
 				jdtls.setup_dap()
 			end,
 		}
@@ -1071,7 +1083,6 @@ au('FileType', {
 		require'lspconfig'.sqls.setup {
 			capabilities = capabilities,
 			on_attach = function (client, bufnr)
-				on_attach(client, bufnr)
 				local ok, sqls = pcall(require, 'sqls')
 				if not ok then return end
 				sqls.on_attach(client, bufnr)
@@ -1123,7 +1134,6 @@ require'rust-tools'.setup {
 		-- Enable standalone file (i.e. no cargo) support
 		standalone = true,
 		capabilities = capabilities,
-		on_attach = on_attach,
 		settings = {
 			['rust-analyzer'] = {
 				cargo = {
@@ -1267,7 +1277,6 @@ vim.keymap.set('n', '<Leader>t', '<Cmd>NvimTreeFindFile<CR>', {desc = 'Nvim Tree
 
 
 ---- treesitter ----
----@diagnostic disable-next-line: missing-fields
 require'nvim-treesitter.configs'.setup {
 	-- Configure the nvim-ts-autotag plugin
 	autotag = {