Upgrade to Express 5

[drewbo]

Express 5 is the first major version upgrade in a decade. It has two nice improvements for us: improved promise rejection handling (which has caused errors or annoying code her in the past) and reduction of (older) dependencies

Notes

• https://www.trevorlasn.com/blog/whats-new-in-express-5
• https://expressjs.com/en/guide/migrating-5.html

Acceptance Criteria

• Application uses express 5
• Confirm no use of removed methods and properties
  • app.del()
  • app.param(fn)
  • Pluralized method names
  • Leading colon (:) in the name for app.param(name, fn)
  • req.param(name)
  • res.json(obj, status)
  • res.jsonp(obj, status)
  • res.redirect(url, status)
  • res.redirect('back') and res.location('back')
  • res.send(body, status)
  • res.send(status)
  • res.sendfile()
• Check new path route matching syntax
• Accommodate new rejected promises handled from middleware and handlers
• Review other changes related to these methods
  • express.urlencoded
  • app.router
  • req.body
  • req.host
  • req.query
  • res.clearCookie
  • res.status
  • res.vary
  • res.render