WithoutSRP.js

class Employee {
  constructor(name, daysWorked) {
    this.name = name;
    this.daysWorked = daysWorked;
  }

  calculatePay() {
    const dailyPay = 100; // let's assume daily pay is 100
    return this.daysWorked * dailyPay;
  }

  calculateLeave() {
    const totalWorkingDays = 30; // let's assume a month has 30 working days
    return totalWorkingDays - this.daysWorked;
  }

  save() {
    // Code to save employee data to a database
  }
}

WithSRP.js

class Employee {
  constructor(name, daysWorked) {
    this.name = name;
    this.daysWorked = daysWorked;
  }

  calculatePay() {
    const dailyPay = 100; // let's assume daily pay is 100
    return this.daysWorked * dailyPay;
  }

  calculateLeave() {
    const totalWorkingDays = 30; // let's assume a month has 30 working days
    return totalWorkingDays - this.daysWorked;
  }
}

class EmployeeDatabase {
  constructor(employee) {
    this.employee = employee;
  }

  save() {
    // Code to save employee data to a database
  }
}