Some Symbols not Being Added to Symbols View (Flow / ES6)

Some Symbols not Being Added to Symbols View (Flow / ES6) ~ see comments below

The initial feature request has been changed to a bug

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Initial request left for context only

Would be great to the option of floating Outline View like Atom Symbols View - (which is great by doesn't work with flow).

The user could then override the symbols view shortcut for the desired file types files