export default function localParam(){
  const { search } = window.location;
  const reg = new RegExp('([^?=&]+)(=([^&]*))?', 'g');
  const data: {[K: string]: string} = {};
  if (search) {
    search.replace(reg, ($0, $1, $2, $3) => {
      data[$1] = $3;
      return ''
    });
  }
  return data;
}