es-toolkit

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`mergeWith` (non-`compat`) dangerously shallow-copies default-mergeable source members

2

PR #556 addressed an issue regarding how `merge` handles inconsistent source and target types by default. Looks like this should be applied to `mergeWith` as well, which still has identical...

rwe

fix(findIndex): add missing default parameter for doesMatch

2

D-Sketon

Throttle with custom edges options works just like a debounce.

3

```ts const throttledOnScroll = throttle(onScroll, 100, { edges: ["trailing"] }) ``` This code expects to work like a "Throttle" function, Which invokes onScroll function every 100ms while I keep scrolling,...

FourwingsY

Hello, While trying to migrate away from lodash to es-toolkit/compat (btw, thanks a lot for this amazing work!) we noticed a few React components not behaving as expected. I managed...

ChrisRast

fix(sample): include "undefined" in return union type

6

`sample()` returns `undefined` when an empty array is given. This should also be reflected in the return type.

screendriver

Proposal for safer and clearer debounce/throttle edges option

3

## Problem Both es-toolkit and lodash allow users to disable `leading` and `trailing` options at the same time on the debounce and throttle functions. This effectively makes the functions no-ops...

DominikSerafin

feat(pipe): implement pipe

1

This PR implements the `pipe` function, as requested in the [current second](https://github.com/toss/es-toolkit/issues?q=is%3Aissue%20state%3Aopen%20sort%3Areactions-%2B1-desc) most upvoted issue (#1187). Added: - `pipe` function implementation - `pipe` tests (including type-level) - `pipe` docs (note:...

deivshon

feat(safeJSONParse): add safe JSON parsing utility

4

## Description This PR introduces a new `safeJSONParse` utility that provides a **non-throwing wrapper around `JSON.parse`**, complementing the existing `isJSON` predicate. The goal is to keep **validation** and **transformation** clearly...

Yeom-JinHo

test: Improve debounce/throttle test performance by replacing real timers with fake timers

2

## Summary Replaced real timer usage with fake timers in debounce and throttle tests to eliminate flaky test risks and significantly improve test execution time. ## Problem - Tests were...

miinhho

test(compat/defer): Replace deprecated done() callback with fake timers in async tests

2

## Problem Deprecation warning occurs when using the `done()` callback in Vitest tests ## Solution Replaced Vitest's deprecated `done()` callback with fake timers ### Before ### After

miinhho