uni-ioc classic code example

greeting-service.js

const helper = require('./helper');

const greetingService = {
  sayHello: ({ firstName, lastName }) => {
      const fullName = helper.getFullName({ firstName, lastName });

      return `Hello ${fullName}`;
  },
  sayGoodbye: ({ firstName, lastName }) => {
        const fullName = helper.getFullName({ firstName, lastName });

        return `Goodbye, ${fullName}`;
  }
};

module.exports = greetingService;

helper.js

const helper = {
  getFullName: ({firstName, lastName})=>{
    return `${firstName} ${lastName}`;
  }
};

module.exports = helper;

index.js

const greetingService = require('./greeting-service');

const helloMsg = greetingService.sayHello({firstName: "kenan", lastName: "hancer"});

console.log(helloMsg);

const goodBydMsg = greetingService.sayGoodbye({firstName: "kenan", lastName: "hancer"});

console.log(goodBydMsg);