You'll have an issue on a browser that doesn't support your code as-is (spread syntax, for example).
The code in the debugger is not your code - it's the foreign code. You can have your own code, but you have to step through this stripped-down code.
Unless your source is mapped, you won't know what code you're actually stepping through.
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You'll have an issue on a browser that doesn't support your code as-is (spread syntax, for example).
The code in the debugger is not your code - it's the foreign code. You can have your own code, but you have to step through this stripped-down code.
Unless your source is mapped, you won't know what code you're actually stepping through.