lodash.defaultsdeep deeply assigns properties from source objects to the destination object for all nested properties. Offering a robust solution for merging objects where properties may contain deeply nested objects or arrays, it ensures that missing keys, even in nested structures, are populated with the corresponding values from the source. It's invaluable when configuring applications or managing complex data structures where preserving existing values while adding defaults is essential.
The npm package lodash.defaultsdeep experienced initial releases in 2015 and a period of active development and frequent updates from January 2016 to August 2016. After August 2016, releases became infrequent, with only one release in July 2019. There have been no releases since July 2019, indicating a long period of inactivity for this specific package.
Lodash.defaultsdeep downloads show a generally upward trend from March 2024 through August 2025, peaking in June 2025. March 2024 shows a marked volatility. September 2025 downloads are incomplete and significantly lower, reflecting the partial month.