refactor(iferr): use vim.system

lua/gopher/_utils/init.lua

@@ -3,8 +3,9 @@ local log = require "gopher._utils.log"
 local utils = {}
 
 ---@param msg string
----@param lvl number
+---@param lvl? number
 function utils.deferred_notify(msg, lvl)
+  lvl = lvl or vim.log.levels.INFO
   vim.defer_fn(function()
     vim.notify(msg, lvl, {
       title = c.___plugin_name,
@@ -23,4 +24,22 @@ function utils.notify(msg, lvl)
   log.debug(msg)
 end
 
+---@param path string
+---@return string
+function utils.readfile_joined(path)
+  return table.concat(vim.fn.readfile(path), "\n")
+end
+
+---@param t string[]
+---@return string[]
+function utils.remove_empty_lines(t)
+  local res = {}
+  for _, line in ipairs(t) do
+    if line ~= "" then
+      table.insert(res, line)
+    end
+  end
+  return res
+end
+
 return utils