graphql-tools
                                
                                
                                
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                        fix(mergeDeep): handle `undefined` sources correctly
Fixes https://github.com/ardatan/graphql-tools/issues/7011
The following inputs and outputs are corrected;
mergeDeep([{a:2} undefined])- Any nullish values should be ignored so it should return{a:2}mergeDeep([])- no sources should returnundefinedmergeDeep([undefined])- no sources should returnundefined