fix: guard against invalid buffers (#207)

stevearc · Jan 22, 2023 · e2b6cd0 · e2b6cd0
1 parent 25a5e78
commit e2b6cd0
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/lua/aerial/backends/init.lua b/lua/aerial/backends/init.lua
@@ -213,6 +213,12 @@ end
 ---@param bufnr? integer
 ---@param refresh? boolean
 M.attach = function(bufnr, refresh)
+  if not bufnr or bufnr == 0 then
+    bufnr = vim.api.nvim_get_current_buf()
+  end
+  if not vim.api.nvim_buf_is_valid(bufnr) then
+    return
+  end
   if refresh then
     local backend, name = get_best_backend()
     attach(bufnr, backend, name)