returning promise

let BPromise = require('bluebird');

var promise2 = BPromise.reject(342);

var promise1 = BPromise.resolve(3);

var promise3 = new BPromise(function(resolve, reject) {

setTimeout(resolve, 1000, 'foo');

});

function name(){

return promise3.then((data)=> {

console.log('1',data);

return data;

})}

let some= name();

some.then((data)=>{

console.log('01',data);

})