How to use @hapi/podium - 3 common examples

'use strict';

const Boom = require('@hapi/boom');
const Hoek = require('@hapi/hoek');
const Joi = require('@hapi/joi');
const Podium = require('@hapi/podium');

const Pending = require('./pending');


const internals = {
    day: 24 * 60 * 60 * 1000,
    events: Podium.validate([
        { name: 'error', channels: ['generate', 'persist'] }
    ])
};


internals.schema = Joi.object({
    expiresIn: Joi.number().integer().min(1),
    expiresAt: Joi.string().regex(/^\d\d?\:\d\d$/),
    staleIn: [
        Joi.number().integer().min(1).when('expiresAt', { is: Joi.required(), then: Joi.number().max(86400000 - 1) }),       // One day - 1 (max is inclusive)
        Joi.func()
    ],
    staleTimeout: Joi.number().integer().min(1),
    generateFunc: Joi.func(),
    generateTimeout: Joi.number().integer().min(1).allow(false),
    generateOnReadError: Joi.boolean(),

const Querystring = require('querystring');
const Url = require('url');

const Boom = require('@hapi/boom');
const Bounce = require('@hapi/bounce');
const Hoek = require('@hapi/hoek');
const Podium = require('@hapi/podium');

const Cors = require('./cors');
const Response = require('./response');
const Toolkit = require('./toolkit');
const Transmit = require('./transmit');


const internals = {
    events: Podium.validate(['finish', { name: 'peek', spread: true }, 'disconnect']),
    reserved: ['server', 'url', 'query', 'path', 'method', 'mime', 'setUrl', 'setMethod', 'headers', 'id', 'app', 'plugins', 'route', 'auth', 'pre', 'preResponses', 'info', 'orig', 'params', 'paramsArray', 'payload', 'state', 'jsonp', 'response', 'raw', 'domain', 'log', 'logs', 'generateResponse']
};


exports = module.exports = internals.Request = class {

    constructor(server, req, res, options) {

        this._allowInternals = !!options.allowInternals;
        this._core = server._core;
        this._entity = null;                                                                                // Entity information set via h.entity()
        this._eventContext = { request: this };
        this._events = null;                                                                                // Assigned an emitter when request.events is accessed
        this._expectContinue = !!options.expectContinue;
        this._isPayloadPending = !!(req.headers['content-length'] || req.headers['transfer-encoding']);     // Changes to false when incoming payload fully processed
        this._isReplied = false;                                                                            // true when response processing started

'use strict';

const Stream = require('stream');

const Boom = require('@hapi/boom');
const Bounce = require('@hapi/bounce');
const Hoek = require('@hapi/hoek');
const Podium = require('@hapi/podium');

const Streams = require('./streams');


const internals = {
    events: Podium.validate(['finish', { name: 'peek', spread: true }]),
    hopByHop: {
        connection: true,
        'keep-alive': true,
        'proxy-authenticate': true,
        'proxy-authorization': true,
        'te': true,
        'trailer': true,
        'transfer-encoding': true,
        'upgrade': true
    }
};


exports = module.exports = internals.Response = class {

    constructor(source, request, options = {}) {