promise-custom-resolve.js

const statusCodes = {
    success: 200,
    error: 400,
};

function all(promises) {
    const transformedPromises = promises.map(promise => promise.then((result) => {

    if (result.payload.statusCode !== statusCodes.success) {
        throw new Error('PROMISE RESOLVED TO FAILURE! SHOULD FAIL THIS CHAIN TO SHREDS');
    }
    }));

    return Promise.all(transformedPromises);
}

/* dummy promises */
var promise1 = new Promise(function(resolve, reject) {
    resolve({ payload: {
        statusCode: 200,
        test: 'right',
    }});
});

var promise2 = new Promise(function(resolve, reject) {
    resolve({ payload: {
        statusCode: 201,
        test: 'right',
    }});
});

all([promise1, promise2]).then(() => {
    console.log('All ok');
}).catch(() => {
    console.log('Error 2');
});