neovim: add range code action if it exists

neovim/.config/nvim/after/plugin/lsp.lua

@@ -43,8 +43,11 @@ local function on_attach(client, bufnr)
   vim.keymap.set("n", "K", vim.lsp.buf.hover, opts)
   vim.keymap.set("n", "<F2>", vim.lsp.buf.rename, opts)
   vim.keymap.set("n", "<leader>.", vim.lsp.buf.code_action, opts)
+
+  if not vim.lsp.buf.range_code_action == nil then
     vim.keymap.set("v", "<leader>.", vim.lsp.buf.range_code_action, opts)
   end
+end
 
 vim.keymap.set("n", "<leader>ee", function()
   vim.diagnostic.open_float(nil, { focus = false, scope = "line" })