event emitter

EventEmitter ek aisa system hai jisme
 event dispath ya emit hota hai 
 aur el lisnter ya bole to subscriber hota hai 


step: 1  Event emitter obj banata hai 
step :2  Event emitter obj se event listerner bnate hai
 step :3  event enit ya dispatch karte hai 


 const EventEmitter = require("events");

// 1️⃣ emitter banao
const emitter = new EventEmitter();

// 2️⃣ event listener lagao
emitter.on("RainAya", () => {
    console.log("India Me rain agaya");
});

emitter.on("KhetKoro", () => {
    console.log("Farmer ab apne khet me hal chalate hai ");
});

emitter.on("BeejBowo", () => {
    console.log("farmer ab jute hue khet me beej dalte hai ");
});


emitter.on("DekgBhalKaro", () => {
    console.log("Famer apne fasal ki dekbhall karte hai ");
});


emitter.on("FasalHarvestKaro", () => {
    console.log("Fasal kate hai aur jasan manate hai ");
});

emitter.emit("RainAya");
emitter.emit("KhetKoro");
emitter.emit("BeejBowo");
emitter.emit("DekgBhalKaro");
emitter.emit("FasalHarvestKaro");

o/p
PS C:\Drupal-Miscellneous\Drupal Study\Node JS> npm run start

> sanidev@1.0.0 start
> node surya.js

India Me rain agaya
Farmer ab apne khet me hal chalate hai
farmer ab jute hue khet me beej dalte hai
Famer apne fasal ki dekbhall karte hai
Fasal kate hai aur jasan manate hai
PS C:\Drupal-Miscellneous\Drupal Study\Node JS>

___________________________________________________________

Tecnically correct sequnce me put karna


const EventEmitter = require("events");
const emitter = new EventEmitter();

emitter.on("RainAya", () => {
  console.log("🌧️ India me barish aa gayi");
  emitter.emit("KhetKoro");
});

emitter.on("KhetKoro", () => {
  console.log("🚜 Farmer khet joot rahe hain");
  emitter.emit("BeejBowo");
});

emitter.on("BeejBowo", () => {
  console.log("🌱 Khet me beej boya gaya");
  emitter.emit("DekgBhalKaro");
});

emitter.on("DekgBhalKaro", () => {
  console.log("🌾 Fasal ki dekhbhal ho rahi hai");
  emitter.emit("FasalHarvestKaro");
});

emitter.on("FasalHarvestKaro", () => {
  console.log("🎉 Fasal kati, jashn manaya gaya");
});

// Sirf ek event start karega
emitter.emit("RainAya");