typescript union of multiple types

Question

All, I have 4 typescript classes that are very similar and I can pass any of the 4 classes to the same function. So my function signature looks like this.

foo(a:Plane |Rocket | Bird | Balloon) { dostuff;}

Is it possible to create a class or interface that is a union of all four

something like

class Flyer = Plane | Rocket | Bird | Balloon

Possible duplicate of How to join two interfaces declarations into one? — a better oliver
– a better oliver, Commented Jun 13, 2018 at 7:57

Ryan Cavanaugh · Accepted Answer · 2018-06-13 02:38:24Z

6

You can create a type alias:

type Flyer = Plane | Rocket | Bird | Balloon;

This is only an alias; it will behave identically as if you had written it in its expanded form.

answered Jun 13, 2018 at 2:38

Ryan Cavanaugh

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