Simple Passport-like interface compatible with passport strategies

simple-passport.js

"use strict";

var SimplePassport = {
  authenticate: function(req, res, strategy, options, callback) {
    strategy = Object.create(strategy);
    Object.assign(strategy, {
      success: callback.bind(null, null), // callback(null, user)
      error: callback.bind(null), // callback(err)
      fail: callback.bind(null, null, false), // callback(null, false)
      pass: callback.bind(null, null, null), // callback(null, null)
      redirect: function(url, status) {
        res.statusCode = status || 302;
        res.setHeader('Location', url);
        res.setHeader('Content-Length', '0');
        res.end();
      },
    });
    strategy.authenticate(req, options);
  },
};

module.exports = SimplePassport;