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We need to pass a copy of the current field data to the mappers. I have came across two mappers where this is needed:
- File mapper
- When we return a blank than the current image will be removed.
- Taxonomy mapper
- When we return a blank than the current terms will be duplicated.
Another thing is, which way would be take this? Do we just send a complete copy of the current entity to the mappers and let the mappers handle getting the current field value, or do we do it in FeedsProcessor and only send a copy to the mapper so that the mapper get's it's own field value and doesn't have to do much more logic? I am willing to create a patch, just would like to know which way the maintainers want to take.