Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

[Bug] Ember 4 regression with passed-in event handlers

See original GitHub issue

🐞 Describe the Bug

I’m not sure the issue name is good but…

🔬 Minimal Reproduction

This repo. Clone, npm install, ember serve. Click the click me! text. Nothing happens (but it should). If you remove the last line in app/templates/application.hbs - it does happen. If you downgrade Ember’s version to 3.28.x - it also does happen.

😕 Actual Behavior

Nothing changes.

🤔 Expected Behavior

To display true because of the set call.

🌍 Environment

Ember: 4.1.0 (happens also with 4.2.0)
Node.js/npm: 17
OS: Linux
Browser: Chrome 98

➕ Additional Context

Discord link

P.S. all the complexity with set, later, each and so on is needed. Without any of these things, the code works correctly. Don’t ask me why…

Issue Analytics

State:
Created 2 years ago
Comments:7 (2 by maintainers)

Top GitHub Comments

1reaction

Timbuktu1982commented, Feb 16, 2022

Ah ok, I saw in the documentation that both ways are still usable…

https://guides.emberjs.com/release/upgrading/current-edition/templates/

0reactions

Timbuktu1982commented, Feb 16, 2022

Yes, I understand that up front, but I think it’s necessary to touch and adjust all the code anyway. I know, in many cases it is many work. As for the old style, I would have thought that the old style is generally no longer applicable.

Top Results From Across the Web

Handling Events - Components - Ember Guides

You can respond to user events on your component like double-clicking, hovering, and key presses through event handlers. Simply implement the name of...

@ember/test-helpers | Yarn - Package Manager

A test-framework-agnostic set of helpers for testing Ember.js applications. Compatibility. Ember 3.8 or above; Ember CLI 3.8 or above; Node.js 10 or above ......

7229 (1.4.3 regression - passing null to event handler) – jQuery

1.4.3 regression - passing null to event handler ... but in 1.4.3, it gives a "handler is null" in the jQuery.event.add ... Milestone:...

Changelog - Cypress Documentation

Fixed a regression introduced in the Electron browser in Cypress 10.8.0 where ... in run-mode if an error was thrown from a test:before:run...

Backbone.js

A Collection helps you deal with a group of related models, handling the loading ... When multiple events are passed in using the...