create promise 3
let cart = ["shoes", "pants", "kurtas"];
createOrder(cart)
.then(function(res) {
console.log(res);
// promise chaining
return res;
})
// .catch(err => {
// console.log(err.message);
// })
.then(function(res) {
return proceedToPayment(res);
})
.then(function(paymentInfo) {
console.log(paymentInfo);
}).catch(err => {
console.log(err.message);
}).then(function(paymentInfo) {
console.log('this will run anyhow');
})
;
// start api which is running to order creation:---
function createOrder(cart) {
const myPromise = new Promise(function(resolve, reject) {
if (!validiteCart(cart)) {
const err = new Error('Cart is not valid');
reject(err);
} else {
const orderId = '123';
setTimeout(() => {
resolve(orderId);
}, 5000);
}
});
return myPromise;
}
function proceedToPayment(orderId) {
// we will do payment
return new Promise((resolve, reject) => {
resolve("Payment successful");
});
}
// end api which is running to order creation:--
// proceed to payment api:--
// end of proceed to payment api:--
function validiteCart(cart) {
// return true; // Assume the cart is always valid for this example
return false;
}
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