Rare find

On Change. Get notified instantly when data in your app changes.

github.com/sindresorhus/on-change

Problem

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Audience

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Market

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Pricing

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

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Updates

February 2026

Release — Feb 1
6.0.2 Feb 1
Fix support for proxying `ArrayBuffer` and `SharedArrayBuffer` (#112) Feb 1
Clarify details path behavior Feb 1
Fix array rollback for onValidate Feb 1

October 2025

Release — Oct 27
6.0.1 Oct 27
Fix crash when property is named `'undefined'` Oct 27

September 2025

Release — Sep 23
6.0.0 Sep 23
Require Node.js 20 Sep 23
Fix setter field detection in class prototype chains Sep 23
Fix TypeError when calling extracted methods Sep 23
Fix empty path when class methods modify own properties Sep 22
Fix `Date` object exceptions Sep 22
Fix array `indexOf/includes/lastIndexOf` after filter and reassignment Sep 21
Fix it to fire for all paths when object referenced multiple times Sep 21
Fix Vue.js compatibility with reactive getters/setters Sep 12

April 2025

Meta tweaks Apr 4

May 2024

Fix benchmarks (#107) May 18

January 2024

Release — Jan 14
5.0.1 Jan 14
Fix incorrect changed path when mutating unrelated area of proxy duri… Jan 14

December 2023

Release — Dec 14
5.0.0 Dec 14

November 2022

Release — Nov 20

May 2022

Release — May 16

August 2021

Release — Aug 29

May 2021

Release — May 9
Release — May 7