stripe-middleware-1.js

const stripe = require('stripe')('sk_test_your-token');
const hooks = require('promised-hooks');

// Add Hooks functionalities to the "stripe.charges" methods
hooks.wrap(stripe.charges);

// Add a "pre" middleware
stripe.charges.pre('create', function preCharge({ amount, source, description, currency }) {
    // All the arguments passed to the charges.create() method are available

    // Make any async call as long as it returns a *Promise*.
    // If the async call rejects, then the "create()" method won't be executed
    return someService.doAsyncStuff(amount, currency, description);
});

// Add a "post" middleware
stripe.charges.post('create', function postCharge(charge) {
    return myTraceService.log(`New charge ${charge.amount}`);
});

// No changes on the processPayement
async function processPayement(amount, source, description) {
    let charge;
    try {
        charge = await stripe.charges.create({
            amount,
            source,
            description,
            currency: "usd"
        });
    } catch(e) {
        // Error handling
    }

    // ...
}