feat(groups): close and unpin (#698)

add a command to allow a buffer to be both closed and unpinned so that it isn't autopinned on next re-opening it

lua/bufferline.lua

@@ -48,6 +48,7 @@ local M = {
   go_to_buffer = commands.go_to,
   sort_buffers_by = commands.sort_by,
   close_buffer_with_pick = commands.close_with_pick,
+  unpin_and_close = commands.unpin_and_close,
 }
 -----------------------------------------------------------------------------//
 -- Helpers

lua/bufferline/commands.lua

@@ -123,6 +123,14 @@ function M.close_with_pick()
   pick.choose_then(function(id) handle_close(id) end)
 end
 
+function M.unpin_and_close(id)
+  local win_id = id or vim.api.nvim_get_current_buf()
+
+  handle_close(win_id)
+
+  groups.remove_id_from_manual_groupings(win_id)
+end
+
 --- Open a element based on it's visible position in the list
 --- unless absolute is specified in which case this will open it based on it place in the full list
 --- this is significantly less helpful if you have a lot of elements open

lua/bufferline/groups.lua

@@ -350,6 +350,11 @@ function M.remove_from_group(group_name, element)
   end
 end
 
+---@param id number
+function M.remove_id_from_manual_groupings(id)
+  state.manual_groupings[id] = nil
+end
+
 ---@param id string
 ---@param value boolean
 function M.set_hidden(id, value)