replace more viml with native lua code

lua/config/dashboard-nvim.lua

@@ -1,3 +1,5 @@
+local api = vim.api
+local keymap = vim.keymap
 local dashboard = require("dashboard")
 
 dashboard.custom_header = {
@@ -56,10 +58,11 @@ dashboard.custom_center = {
   },
 }
 
-vim.cmd([[
-  augroup dashboard_enter
-    au!
-    autocmd FileType dashboard nnoremap <buffer> q :qa<CR>
-    autocmd FileType dashboard nnoremap <buffer> e :enew<CR>
-  augroup END
-]])
+api.nvim_create_autocmd("FileType", {
+  pattern = "dashboard",
+  group = api.nvim_create_augroup("dashboard_enter", { clear = true }),
+  callback = function ()
+    keymap.set("n", "q", ":qa<CR>", { buffer = true, silent = true })
+    keymap.set("n", "e", ":enew<CR>", { buffer = true, silent = true })
+  end
+})

lua/config/lsp.lua

@@ -69,12 +69,24 @@ local custom_attach = function(client, bufnr)
       hi! link LspReferenceRead Visual
       hi! link LspReferenceText Visual
       hi! link LspReferenceWrite Visual
-      augroup lsp_document_highlight
-        autocmd! * <buffer>
-        autocmd CursorHold <buffer> lua vim.lsp.buf.document_highlight()
-        autocmd CursorMoved <buffer> lua vim.lsp.buf.clear_references()
-      augroup END
     ]])
+
+    local gid = api.nvim_create_augroup("lsp_document_highlight", { clear = true })
+    api.nvim_create_autocmd("CursorHold" , {
+      group = gid,
+      buffer = bufnr,
+      callback = function ()
+        lsp.buf.document_highlight()
+      end
+    })
+
+    api.nvim_create_autocmd("CursorMoved" , {
+      group = gid,
+      buffer = bufnr,
+      callback = function ()
+        lsp.buf.clear_references()
+      end
+    })
   end
 
   if vim.g.logging_level == "debug" then
@@ -83,9 +95,7 @@ local custom_attach = function(client, bufnr)
   end
 end
 
-local capabilities = lsp.protocol.make_client_capabilities()
-capabilities = require("cmp_nvim_lsp").update_capabilities(capabilities)
-capabilities.textDocument.completion.completionItem.snippetSupport = true
+local capabilities = require('cmp_nvim_lsp').default_capabilities()
 
 local lspconfig = require("lspconfig")