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November 24, 2015 20:49
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Maybe I don’t understand promises, either.
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// I expect: | |
doSomething().then(doSomethingElse()) | |
.then(finalHandler); | |
// To act like: | |
/* | |
doSomething | |
|-----------------| | |
doSomethingElse(undefined) | |
|------------------------| | |
resultOfDoSomethingElse(resultOfDoSomething) | |
|------------------------------------------| | |
finalHandler(resultOfDoSomething) | |
|------------------| | |
*/ | |
// or: | |
/* | |
doSomething | |
|-----------------| | |
doSomethingElse(undefined) | |
|--------------| | |
resultOfDoSomethingElse(resultOfDoSomething) | |
|------------------------------------------| | |
finalHandler(resultOfDoSomething) | |
|------------------| | |
*/ |
You are not wrong.
Assuming of course:
doSomething
returns a promise
resultOfDoSomethingElse
also returns a promise, but for some reason required the value returned from doSomething
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Note that my assumption is that
doSomethingElse
is a function that returns a function that returns a promise.