Nodejs Dependency Circulation

a.js

module.exports = {
    data: "This is a",
};

const b = require('./b.js');
console.log(b.data);

b.js

module.exports = {
    data: "This is b",
};


const a = require('./a.js');
console.log(a.data);

index.js

const a = require('./a');
const b = require('./b');

console.log('This is main', a);
console.log('This is main', b);