Update dependency es-toolkit to v1.43.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
es-toolkit (source)	1.40.0 → 1.43.0

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Release Notes

toss/es-toolkit (es-toolkit)

v1.43.0

Compare Source

Released on December 12th, 2025.

• Enhanced merge to handle arrays and objects consistently, and to match lodash's behavior with date values and array-like objects. ([#​1553], [#​1542], [#​1548])
• Fixed isMatch and isMatchWith to match lodash's behavior.
• Fixed intersectionBy implementation and removed duplicates when the mapper produces the same values. ([#​1528])
• Fixed throttle working like debounce.
• Fixed type inference in toSnakeCaseKeys, toCamelCaseKeys for edge cases and improved type inference for uppercase keys. ([#​1538])
• Fixed casing utilities (camelCase, kebabCase, lowerCase, snakeCase, startCase, upperCase) to match lodash's behavior. ([#​1525])
• Fixed compat/template to disable ES interpolation when custom interpolate is provided. ([#​1527])
• Fixed incorrect example in differenceBy documentation. ([#​1543])
• Performance improvement: updated deburr to use arrays to construct the deburrMap. ([#​1526])

We sincerely thank @​dayongkr, @​raon0211, @​wo-o29, @​Yeom-JinHo, @​Copilot, @​oshosh, @​vbfox, @​sukvvon, @​sankeyangshu, @​D-Sketon, @​seo-rii for their contributions. We appreciate your great efforts!

v1.42.0

Compare Source

Released on November 17th, 2025.

• Added new async utilities: filterAsync, flatMapAsync, forEachAsync, mapAsync, reduceAsync, and limitAsync for handling asynchronous operations.
• Exported ThrottleOptions and DebounceOptions interfaces for better type support.
• Fixed isFinite to implement type predicate to narrow type to number.
• Fixed isSafeInteger to implement type predicate to narrow type to number.
• Fixed omit to prevent adding index properties to array-like objects.
• Fixed mergeWith to remove unnecessary nullish coalescing for 100% branch coverage.
• Fixed compat/updateWith to remove unreachable code and add prototype pollution test.
• Updated documentation headings for consistency.
• Improved test coverage for compat/mergeWith, compat/unset, get, toMerged, mergeWith, and compat/intersectionBy with additional edge cases and security tests.

We sincerely thank @​Debbl, @​wo-o29, @​raon0211, @​Yeom-JinHo, @​sukvvon, and @​D-Sketon for their contributions. We appreciate your great efforts!

v1.41.0

Compare Source

Released on October 24th, 2025.

• Enhanced throttle to preserve this context when called as a method.
• Added type guard support for partition function.
• Fixed omit to support runtime-determined key arrays with proper overloads.
• Fixed defaults in compatibility layer to properly handle undefined and null sources.
• Fixed toSnakeCaseKeys and toCamelCaseKeys to correctly return types for non-plain objects.
• Fixed toMerged and mergeWith to properly handle shared objects in merge logic.
• Fixed compat/union to support array-like objects.
• Fixed compat/updateWith to use get for value retrieval in updater function.
• Fixed circular import between isMatch and isMatchWith.
• Fixed find and findLast by simplifying logic and removing unnecessary checks.
• Fixed takeRight by improving test coverage and removing redundant checks.
• Fixed curry and curryRight by removing unnecessary type assertions.
• Fixed isEqualWith and mapKeys by removing unnecessary type assertions.
• Improved performance for meanBy by removing intermediate array creation.
• Updated build system to use UMD format instead of IIFE for browser builds.
• Fixed numerous documentation examples across compat modules.
• Improved test coverage with additional test cases for edge cases and compatibility.

We sincerely thank @​the5thbeatle, @​wo-o29, @​hwibaski, @​manudeli, @​raon0211, @​dayongkr, @​D-Sketon, @​yoouungyoung, @​Dohun-choi, @​sukvvon, @​zoulou00, and @​sen2y for their contributions. We appreciate your great efforts!

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