es-toolkit 1.40.0

v1.40.0

on Node.js NPM

Released on October 8th, 2025.

• Enhanced sumBy to pass the element index to the getValue callback function.
• Improved performance for uniq function.
• Fixed cloneDeepWith to handle runtime errors in environments without Blob support and correctly clone Boolean, Number, and String objects.
• Fixed omit to avoid unnecessary deep cloning, improving performance.
• Fixed toCamelCaseKeys to properly handle PascalCase type conversion.
• Fixed toPath to correctly handle arrays and non-string inputs.
• Fixed repeat to validate and handle invalid repeat counts.
• Fixed sortedIndexBy to properly handle default iteratee.
• Fixed some predicate check to correctly handle null and undefined cases.
• Fixed compatibility issue in compat/unset with nonexistent paths.
• Fixed several JSDoc issues across multiple functions including return types, parameter descriptions, and method names.
• Improved documentation clarity and consistency across multiple functions.
• Enhanced test coverage with additional test cases for compat functions and edge cases.
• Updated build configuration and CI workflows.

We sincerely thank @wo-o29, @D-Sketon, @HidenLee, @yoouung, @manudeli, @dayongkr, @Li13, @nicklemmon, @sen2y, @miinhho, @raon0211, @joshkel, @jgjgill, @mlnwns, @Dohun-choi, @PinkChampagne17, @sukvvon, @YOUNGHO8762, @caseBread, @Jeongeun-Choi, @artechventure and hoyyChoi for their contributions. We appreciate your great efforts!