const Passport = require('@ladjs/passport');
const koa = require('koa');
const mongoose = require('mongoose');
const passportLocalMongoose = require('passport-local-mongoose');
const User = new mongoose.Schema();
User.plugin(passportLocalMongoose, {
  // ...
});
const Users = mongoose.model('User', UserSchema);
const passport = new Passport({}, Users);
const app = new Koa();
app.use(passport.initialize());
app.use(passport.session());