es-toolkit/CHANGELOG.md

# es-toolkit Changelog

## Version v1.10.1

Released on July 15th, 2024.

- Fixed [camelCase](https://es-toolkit.slash.page/reference/string/camelCase.html) using `capitalize` from incorrect import. ([8dda135](https://github.com/toss/es-toolkit/commit/8dda135fa339ae4953908a74b2e6eeca9f163a20))

## 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.