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offero/promiseinacallback.js

Created November 24, 2016 17:41
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Promise in a callback
Raw
promiseinacallback.js
function doThingThatAcceptsCallback(arg1, callback) {
doThingThatReturnsAPromise(arg1)
.then(function resolved(result) {
callback(null, result);
})
.catch(function rejected(error) {
callback(error);
});
}
// same with es6 functions
function doThingThatAcceptsCallbackES6(arg1, callback) {
doThingThatReturnsAPromise(arg1)
.then(result => callback(null, result))
.catch(error => callback(error);
}
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