toss/es-toolkit v1.43.0

on GitHub

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!