-- utils.lua
local M = {}

function M.await(fn, timeout, interval)
  local done = false
  local ok, data

  -- Wrap resolve in vim.schedule so it runs on main loop
  fn(function(success, result)
    vim.schedule(function()
      done = true
      ok = success
      data = result
    end)
  end)

  vim.wait(timeout, function()
    return done
  end, interval)

  return { ok = ok or false, data = data }
end

function M.root_markers_with_field(root_files, new_names, field, fname)
  local path = vim.fn.fnamemodify(fname, ':h')
  local found = vim.fs.find(new_names, { path = path, upward = true })

  for _, file in ipairs(found or {}) do
    for line in io.lines(file) do
      if line:find(field) then
        root_files[#root_files + 1] = vim.fs.basename(file)
        break
      end
    end
  end

  return root_files
end

function M.insert_package_json(root_files, field, fname)
  return M.root_markers_with_field(root_files, { 'package.json', 'package.json5' }, field, fname)
end

return M