value = this._bindTarget(this._target, function(target) {
if(_.isSubscribable(target) && self.bind()) {
var inOld = _.indexOf(disposalCandidates, target);
if(inOld >= 0)
disposalCandidates[inOld] = undefined; //Don't want to dispose this subscription, as it's still in use
else
self._subscriptions.push(target.subscribe(self.targetUpdated, self));
}
});
_subscribeToTarget: function(target, subscriptions) {
if(_.isSubscribable(target) && this.bind()) {
if(_.pluck(subscriptions, 'target').indexOf(target) < 0) //TODO seems slow?
subscriptions.push(target.subscribe(this.targetUpdated, this));
return true;
}
return false;
}
'isObservable': function(value) {
return _.isSubscribable(value) && value.__is_observable__ === true;
}