FROM node:18.16-alpine3.18

# Install pnpm
RUN apk add curl \
    && curl -fsSL "https://github.com/pnpm/pnpm/releases/download/v8.6.1/pnpm-linuxstatic-x64" -o /bin/pnpm; chmod +x /bin/pnpm;

services:
  # Nextjs applicaton container
  app:
    image: gitlab.com/images/nodejs:18-pnpm-8.6.1
    logging:
      driver: 'json-file'
      options:
        max-file: '2'
        max-size: '5m'
    container_name: app
    restart: always
    environment:
      PORT: 3000
      HOST_URL: "${HOST_URL}"
    command: [ "pnpm", "start" ]
    working_dir: "/app"
    volumes:
      - ./../../src:/app:rw
    networks:
      - network_name

function UserFn(name, age) {
  this.name = name;
  this.age = age;
}


class UserClass {
  constructor(name, age) {
    this.name = name;
    this.age = age;
  }
}


console.log(UserFn('John', 25)) // выполняется

console.log(UserClass('John', 25)) // Error: Class constructor UserClass cannot be invoked without "new"

function UserFn(name, age) {
  this.name = name;
  this.age = age;

  return {
    name,
    age,
    greet() {
      console.log('Hi!');
    },
  };
}

class UserClass {
  constructor(name, age) {
    this.name = name;
    this.age = age;
  }

  greet() {
    console.log('Hi!');
  }
}

const UserFromFunction = new UserFn('John', 25);

const UserFromClass = new UserClass('John', 25);

for (const key in UserFromFunction) {
  console.log(key); // name, age, greet
}

for (const key in UserFromClass) {
  console.log(key); // name, age
}

console.log(Object.getOwnPropertyDenoscriptor(UserFromFunction, 'greet')) // Объект с дескрипторами
console.log(Object.getOwnPropertyDenoscriptor(UserFromClass, 'greet')) // undefined

function UserFn(name, age) {
  this.name = name;
  this.age = age;

  return {
    name,
    age,
    greet() {
      [0].forEach(function () {
        console.log(this);
      });
    },
  };
}

class UserClass {
  constructor(name, age) {
    this.name = name;
    this.age = age;
  }

  greet() {
    [0].forEach(function () {
      console.log(this);
    });
  }
}

const UserFromFunction = new UserFn('John', 25);

const UserFromClass = new UserClass('John', 25);

console.log(UserFromFunction.greet()); // object Window

console.log(UserFromClass.greet()); // undefined