how can copy node to variable and use visit to remove some item?


i use this code



when i remove items from mdata that's remove from original node



how can i copy node without any dependencies???



when i use toDict but i can't use visit to process node items



i use Object.assign({},node) and other methods but i can't do this



i need copy a node and paste that to other branch but remove some items before paste it






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