process.nextTick(cb); Please use it
Published in
1 min readJul 18, 2017
It is very important for APIs to be either 100% synchronous or 100% asynchronous.
Consider this example:
This API is hazardous because in the following case:
It is not clear whether foo() or bar() will be called first.
The following approach is much better:
Note: The next tick queue is completely drained on each pass of the event loop before additional I/O is processed. As a result, recursively setting nextTick callbacks will block any I/O from happening, just like a while(true); loop.
If you want to use Promises, you can do it like this:
References: