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Passive Listener Violation In Chrome
See original GitHub issue[Violation] Added non-passive event listener to a scroll-blocking 'touchstart' event. Consider marking event handler as 'passive' to make the page more responsive.
Our event dispatcher always attaches this events, regardless if they are used or not: https://github.com/emberjs/ember.js/blob/master/packages/ember-views/lib/system/event_dispatcher.js#L62-L65
We should most likely lazily install them as they are required.
Issue Analytics
- State:
- Created 6 years ago
- Reactions:3
- Comments:13 (9 by maintainers)
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@pixelhandler this is still an issue with the latest version:
@wellington1993 you can remove events via https://emberjs.com/api/classes/Ember.Application.html#property_customEvents and if your app needs these events use passive listeners for mousewheel, touchstart, touchmove (only events that can block scroll via preventDefault matter for passive listening), you add on didInsertElement and remove on willDestroyElement of a component.