# es-toolkit Changelog ## Version v1.10.0 Released on July 14th, 2024. ### Features - Add support for [capitalize](https://es-toolkit.slash.page/reference/string/capitalize.html), [snakeCase](https://es-toolkit.slash.page/reference/string/snakeCase.html), [kebabCase](https://es-toolkit.slash.page/reference/string/kebabCase.html), [camelCase](https://es-toolkit.slash.page/reference/string/camelCase.html) and [lowerCase](https://es-toolkit.slash.page/reference/string/lowerCase.html). (https://github.com/toss/es-toolkit/pull/152, https://github.com/toss/es-toolkit/pull/161, https://github.com/toss/es-toolkit/pull/162, https://github.com/toss/es-toolkit/pull/166, [21d6530](https://github.com/toss/es-toolkit/commit/21d6530e16471d596410d57d59fd3ced8fc5569f)). - Add support for [negate](https://es-toolkit.slash.page/reference/function/negate.html). (https://github.com/toss/es-toolkit/pull/177) - Add support for [isEqual](https://es-toolkit.slash.page/reference/predicate/isEqual.html). (https://github.com/toss/es-toolkit/pull/174) - Add support for [clone](https://es-toolkit.slash.page/reference/object/clone.html). (https://github.com/toss/es-toolkit/pull/155) - Add support for [toFilled](https://es-toolkit.slash.page/reference/array/toFilled.html). (https://github.com/toss/es-toolkit/pull/154) - Add support for [initial](https://es-toolkit.slash.page/reference/array/initial.html) and [last](https://es-toolkit.slash.page/reference/array/last.html). (https://github.com/toss/es-toolkit/pull/188, https://github.com/toss/es-toolkit/pull/149) - Add support for [flattenDeep](https://es-toolkit.slash.page/reference/array/flattenDeep.html). (https://github.com/toss/es-toolkit/pull/160) ### Performance Improvements - Optimize the performance of [isNil](https://es-toolkit.slash.page/reference/predicate/isNil.html) by simplifying its check. ([489ac76](https://github.com/toss/es-toolkit/commit/489ac76fc62f97cbfa3ca9eec2e0a4c03c4f5b1c)) - Optimize the performance of [sum](https://es-toolkit.slash.page/reference/array/sum.html). (https://github.com/toss/es-toolkit/pull/155) ## Version v1.9.0 Released on July 10th, 2024. - Add support for [head](https://es-toolkit.slash.page/reference/array/head.html) and [tail](https://es-toolkit.slash.page/reference/array/tail.html). (https://github.com/toss/es-toolkit/pull/131, https://github.com/toss/es-toolkit/pull/143). - Add support for [unzip](https://es-toolkit.slash.page/reference/array/unzip.html). (https://github.com/toss/es-toolkit/pull/130) - Add support for [flatten](https://es-toolkit.slash.page/reference/array/flatten.html), which is six times faster than `Array#flat`. (https://github.com/toss/es-toolkit/pull/147) ## Version v1.8.0 Released on July 5th, 2024. - Add support for [orderBy](https://es-toolkit.slash.page/reference/array/orderBy.html). (https://github.com/toss/es-toolkit/pull/123) - Add support for [invert](https://es-toolkit.slash.page/reference/array/invert.html). (https://github.com/toss/es-toolkit/pull/125) - Add support for [inRange](https://es-toolkit.slash.page/reference/array/inRange.html). (https://github.com/toss/es-toolkit/pull/124) ## Version v1.7.1 Released on July 3rd, 2024. - Add support for [unzipWith](https://es-toolkit.slash.page/reference/array/unzipWith.html). (https://github.com/toss/es-toolkit/pull/113) - Add support for [forEachRight](https://es-toolkit.slash.page/reference/array/forEachRight.html). (https://github.com/toss/es-toolkit/pull/119) - Add support for [countBy](https://es-toolkit.slash.page/reference/array/countBy.html). (https://github.com/toss/es-toolkit/pull/117) - Add support for [without](https://es-toolkit.slash.page/reference/array/without.html). (https://github.com/toss/es-toolkit/pull/115) - Add support for [fill](https://es-toolkit.slash.page/reference/array/fill.html). (https://github.com/toss/es-toolkit/pull/109) - Add support for [sampleSize](https://es-toolkit.slash.page/reference/array/sampleSize.html). (https://github.com/toss/es-toolkit/pull/101) - Add support for [meanBy](https://es-toolkit.slash.page/reference/math/meanBy.html). (https://github.com/toss/es-toolkit/pull/104) - Accept number and symbol keys in [keyBy](https://es-toolkit.slash.page/reference/array/keyBy.html) and [groupBy](https://es-toolkit.slash.page/reference/array/groupBy.html) (https://github.com/toss/es-toolkit/pull/98, https://github.com/toss/es-toolkit/pull/99) ## Version v1.6.1 Released on June 30th, 2024. - Publish package on [JSR](https://jsr.io/@es-toolkit/es-toolkit). ## Version v1.6.0 Released on June 30th, 2024. ### Features - Add support for [keyBy](https://es-toolkit.slash.page/reference/array/keyBy.html). (https://github.com/toss/es-toolkit/pull/93). - Add support for [zipObject](https://es-toolkit.slash.page/reference/array/zipObject.html). (https://github.com/toss/es-toolkit/pull/92). - Add support for [compact](https://es-toolkit.slash.page/reference/array/compact.html). ([60ae59b](https://github.com/toss/es-toolkit/commit/60ae59bcfee69992e5447322e1da9cb7631c5745)) - Add support for [mean](https://es-toolkit.slash.page/reference/math/mean.html). ([715bc60](https://github.com/toss/es-toolkit/commit/715bc60b26bb24ad490b8befe16204050699f0c0)) ## Version v1.5.0 Released on June 28th, 2024. ### Features - Add support for [range](https://es-toolkit.slash.page/reference/math/range.html). (https://github.com/toss/es-toolkit/pull/77, [2db11d8](https://github.com/toss/es-toolkit/commit/2db11d8882f6d7b0b53271c76f4c5007b6a9181e)). - Add support for [minBy](https://es-toolkit.slash.page/reference/math/minBy.html) (https://github.com/toss/es-toolkit/pull/71). - Add support for [maxBy](https://es-toolkit.slash.page/reference/math/maxBy.html) (https://github.com/toss/es-toolkit/pull/64). ### Bug fixes - Enforce stricter argument types in `pickBy` and `omitBy`. (https://github.com/toss/es-toolkit/pull/60) - Fix a bug in `difference` where one array parameter was not readonly. (https://github.com/toss/es-toolkit/pull/83) - Fix a bug in `round` where it incorrectly accepts floating-point numbers as `precision`. (https://github.com/toss/es-toolkit/pull/79) ## Version v1.4.0 Released on June 15th, 2024. ### Features - Add support for [random](https://es-toolkit.slash.page/reference/math/random.html). (https://github.com/toss/es-toolkit/pull/53) - Add support for [randomInt](https://es-toolkit.slash.page/reference/math/randomInt.html). ([99a34e4](https://github.com/toss/es-toolkit/commit/99a34e4e9944c1b843e9d97dff0b5ff4e5eec260)) - Add support for using AbortSignals to cancel the `Promise` returned by `delay`. (https://github.com/toss/es-toolkit/pull/52) ### Performance Optimizations - Optimized `uniqBy`. ([60e7974](https://github.com/toss/es-toolkit/commit/60e79741271e645bfa551f708466e43b136f69b1)) ## Version v1.3.1 Released on June 15th, 2024. - Fixed a bug in `dropWhile` where it incorrectly returned the entire array when no elements matched the predicate. (https://github.com/toss/es-toolkit/pull/49) ## Version v1.3.0 Released on June 14th, 2024. ### Features - Add support for using AbortSignals to cancel `debounce`d functions. (https://github.com/toss/es-toolkit/pull/45) ### Performance Optimizations - Optimize the time complexity of `intersection`. (https://github.com/toss/es-toolkit/pull/47) ## Version v1.2.2 Released on June 13th, 2024. - Add support for `readonly` arrays in array utilities. (https://github.com/toss/es-toolkit/pull/32, [e595e5e](https://github.com/toss/es-toolkit/commit/e595e5e017e1f2cb138b1ad3d708635efc5e289e)) - Optimize the time complexity of `uniq`. (https://github.com/toss/es-toolkit/pull/40) - Optimize the time complexity of `intersectionBy`. (https://github.com/toss/es-toolkit/pull/44) ## Version v1.2.1 Released on June 13th, 2024. - Ensure that the `omit` and `pick` functions only accept plain JavaScript objects as arguments. (https://github.com/toss/es-toolkit/pull/35) ## Version v1.2.0 Released on June 8th, 2024. ### Features - Added the `noop` function. (https://github.com/toss/es-toolkit/commit/678028dd3d60509b99dfec47aed7f1088140d19d) ### Performance Improvements - Optimized the `difference` and `differenceBy` functions for better performance with large arrays. (https://github.com/toss/es-toolkit/pull/27, https://github.com/toss/es-toolkit/pull/28) ### Bug fixes - Fixed `shuffle` to ensure it does not modify the original array. (https://github.com/toss/es-toolkit/pull/29) ## Version v1.1.0 Released on June 5th, 2024. - Support passing arguments to throttled and debounced functions. (https://github.com/toss/es-toolkit/pull/26) ## Version v1.0.4 Released on June 4th, 2024. - Provide correct type declarations for ECMAScript Modules. (https://github.com/toss/es-toolkit/pull/21) ## Version v1.0.3 Released on June 3rd, 2024. - Provide correct types for `"module": "Node"`, ` "Node10"`, and `"Node16"`. (https://github.com/toss/es-toolkit/pull/16) ## Version v1.0.2 Initial release. Released on May 31th, 2024.