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doc: modified docs to reflect how to invoke gc on Wrapping C++ objects #20431

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7 changes: 7 additions & 0 deletions doc/api/addons.md
Original file line number Diff line number Diff line change
Expand Up @@ -708,6 +708,13 @@ console.log(obj.plusOne());
// Prints: 13
```

The destructor for a wrapper object will run when the object is
garbage-collected. For destructor testing, there are command-line flags that
can be used to make it possible to force garbage collection. These flags are
provided by the underlying V8 JavaScript engine. They are subject to change
or removal at any time. They are not documented by Node.js or V8, and they
should never be used outside of testing.

### Factory of wrapped objects

Alternatively, it is possible to use a factory pattern to avoid explicitly
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