Podeng Example to Use in ExpressJs

podeng-in-express.js

const { blueprint, types, validator } = require('podeng');

async function handler(req, res, next) {
  const UserShema = blueprint.object({
    name: types.string({ serialize: { to: 'username' }}),
    age: types.integer
  });
  
  const params = req.params;
  
  const UserValidator = validator(UserSchema, { deserialization: true }); // accepting { username, age }
  
  const [err, errDetails] = UserValidator.validate(params);
  
  let results = {};
  if (!err) 
    results = await db.User.create(UserSchema.deserialize(params)); // User { name, age }
  
  res.json(UserSchema.serialize(results))
}