feat: GH-40 Add pattern to trigger_events (#42)

lua/auto-save/utils/autocommands.lua

@@ -3,6 +3,15 @@ local M = {}
 local api = vim.api
 local augroup_name = "AutoSave"
 
+--- @param event TriggerEvent
+--- @return VerboseTriggerEvent
+local function parse_trigger_event(event)
+  if type(event) == "string" then
+    return { event }
+  end
+  return event
+end
+
 --- @param opts? table
 --- @return number
 M.create_augroup = function(opts)
@@ -16,4 +25,15 @@ M.exec_autocmd = function(pattern, saved_buffer)
   api.nvim_exec_autocmds("User", { pattern = pattern, data = { saved_buffer = saved_buffer } })
 end
 
+--- @param trigger_events TriggerEvent[]?
+M.create_autocmd_for_trigger_events = function(trigger_events, autocmd_opts)
+  if trigger_events ~= nil then
+    for _, event in pairs(trigger_events) do
+      local parsed_event = parse_trigger_event(event)
+      local autocmd_opts_with_pattern = vim.tbl_extend("force", autocmd_opts, { pattern = parsed_event.pattern })
+      api.nvim_create_autocmd(parsed_event[1], autocmd_opts_with_pattern)
+    end
+  end
+end
+
 return M