angular
  .module('sessionStorage', [])
  .value('sessionStorage', function (...args) {
    /*
    sessionStorage can throw browser exceptions, for example if it is full
    We don't use sessionStorage for anything critical, on in that case just
    fail gracefully.
  */
    try {
      return $.sessionStorage(...args)
    } catch (e) {
      console.error('sessionStorage exception', e)
      return null
    }
  })