perf: listen to touch events only on touch devices #126
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mattlewis92
approved these changes
Feb 2, 2021
mattlewis92
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I've noticed that touch listeners are always removed and re-added again, this worsens performance on desktop devices or any non-touchable device.
I've added
IS_TOUCH_DEVICEvariable and moved listen touch calls into if conditions.I've also removed the
HostListenerfrom theResizeHandleDirectivesince I've noticed that everything is handledoutsideAngularZoneinside those handlers. But host listeners do cause change detection to run, I've moved their listeners into ngOnInit.