Error: that.indicators is undefined

[Nevergonnachange]

Hi,

I am expiriancing the following problem once I set refreshInterval: 500. Everything works fine ultil I leave the route, the scroller is on ( change route, template and ctrl ).

Then i get the following error messages:

Firefox:
"Error: that.indicators is undefined
_indicatorsMap@http://ngc:61741/libs/iscroll.js:974:14
IScroll.prototype._initIndicators/<@http://ngc:61741/libs/iscroll.js:1007:4
IScroll.prototype._execEvent@http://ngc:61741/libs/iscroll.js:739:1
IScroll.prototype.refresh@http://ngc:61741/libs/iscroll.js:698:3
_refreshAfterInitialRender@http://ngc:61741/libs/angular-iscroll.js:121:17
timeout/timeoutId<@http://ngc:61741/libs/angular.js:16299:28
completeOutstandingRequest@http://ngc:61741/libs/angular.js:4924:7
Browser/self.defer/timeoutId<@http://ngc:61741/libs/angular.js:5312:7
"

Chrome
TypeError: Cannot read property 'length' of undefined
at _indicatorsMap (iscroll.js:974)
at Object. (iscroll.js:1007)
at Object.IScroll._execEvent (iscroll.js:739)
at Object.IScroll.refresh (iscroll.js:698)
at _refreshAfterInitialRender (angular-iscroll.js:121)
at angular.js:16299
at completeOutstandingRequest (angular.js:4924)
at angular.js:5312

Source:
https://gist.github.com/Nevergonnachange/7248c6e6d37d9881a3ac

EDIT:
Apparently the destruction / deregistration doesnt quite work out well here

angular.forEach(deregistrators, _call);

EDIT:

this is my fix:

line ~170
instance.on('scrollStart', _disableRefresh);
instance.on('scrollEnd', _enableRefresh);
if (options.directive.refreshInterval !== false) {
instance.refreshInterval = $interval(function () {
_refreshInstance();
}, options.directive.refreshInterval);
}

line ~144
function _destroyInstance() {
if (angular.isDefined(scope.iscrollInstance)) {
delete scope.iscrollInstance;
}
$interval.cancel(instance.refreshInterval);
instance.destroy();

[mtr]

Hi.

I'm sorry, but I won't have time to look into this immediately. If you could create a working (breaking) example on http://jsfiddle.net/ and share that in this issue thread, that would reduce my work considerably. Could you please do that?

[Nevergonnachange]

Im curently quite busy with work aswell. But I'll try to set up and example on the weekend if thats of any help for you.

[mtr]

That would be great. It'll be much more precise, and require less questions and guessing.

[mikechamberlain]

I'm also getting this issue. Haven't been able to reproduce it consistently though, sorry.

The error occurs in iscroll-probe.js, line 983:

for ( var i = that.indicators.length; i--; ) { 

Looking further down at line 1021, I see:

this.on('destroy', function () {
    _indicatorsMap(function () {
        this.destroy();
    });
    delete this.indicators;
});

Does angular-iscroll end up trying to destroy the instance twice?