How to disable automatic casting to enum number?

Write node.js application using TS. Noticed that I can assign a number to a variable of the enumeration type, although it should require an explicit cast. What compiler option is responsible for this?
June 7th 19 at 14:58
1 answer
June 7th 19 at 15:00
No, it's By Design.
It's to allow patterns such as n = n + 1.

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