In the unblockEvents function, theres the statement: delete this._oldTargets. This does not have the desired effect, causing this._oldTargets to grow indefinitely.
This issue will lead to performance problems and eventually crashes (out of memory). It becomes a problem when working with tousands of layers.
In the
unblockEventsfunction, theres the statement:delete this._oldTargets. This does not have the desired effect, causingthis._oldTargetsto grow indefinitely.This issue will lead to performance problems and eventually crashes (out of memory). It becomes a problem when working with tousands of layers.
this._oldTargets = {};solves the problem.