MaddDeserializeCallback
Bun

method

v8.StartupSnapshot.addDeserializeCallback

data?: any
): void;

Add a callback that will be called when the Node.js instance is deserialized from a snapshot. The callback and the data (if provided) will be serialized into the snapshot, they can be used to re-initialize the state of the application or to re-acquire resources that the application needs when the application is restarted from the snapshot.