npm:express-back

Usage no npm install needed!

<script type="module">
  import expressBack from 'https://cdn.skypack.dev/express-back';
</script>

README

express-back

The http referer header is unreliable, express-back uses sessions to track the two previous paths a client has visited. Also provides a convienence method res.back() to safely redirect to the previous path or fallback as to prevent a redirect loop.

Usage


var back = require('express-back');

app.use(session({
  secret: 'super secret'
}));
app.use(back());

app.get('/protected', function(req, res) {
  if (!req.isAuthenticated()) {
    return res.back();
  }
});

API

var back = require('express-back');

This middleware depends upon a session middleware or req.session, and will populate req.prevPath and req.prevPrevPath.

back(options)

options {Object}
options.default {String} The fallback path to populate req.prevPath and req.prevPrevPath, defaults to '/'