deep-eql is a robust JavaScript library for performing deep equality comparisons between two values. Unlike simple === checks, it recursively compares the properties of objects and arrays to determine if their contents are structurally identical. This makes it ideal for testing and validation scenarios where you need to ensure complex data structures are equivalent, regardless of memory address. deep-eql handles circular references and various data types, providing a reliable and comprehensive deep comparison solution.
The deep-eql npm package saw initial releases in 2013, followed by a period of inactivity until 2016. Releases occurred more frequently between 2016 and 2018, and again in 2022, with scattered releases since then. The most recent releases were in October 2023 and June 2024. There have been no releases yet in 2025.
deep-eql downloads show a strong upward trend from March 2024 to July 2025, peaking above 105 million. A slight dip occurred in August 2025, followed by a significant decrease in September, likely due to incomplete data for the current month.
