Comments (2)
The rule of thumb is this: validation errors (bad inputs) throw exceptions, runtime errors are events.
Say you pass null
to a function that expects a string, that's a validation error. Trying to look up the IP address of a non-existing domain name? A runtime error.
In general, when an otherwise asynchronous function throws an exception, it means you need to fix your application because it calls node functions the wrong way.
I'm reasonably sure the documentation mentions the above in a few places but perhaps a more centralized overview is called for.
from docs.
For example, if you call a function, and pass an object as the callback... how could we call the object to pass a TypeError to the callback?
from docs.
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