angular-ui / angular-ui/ui-router
ui-view not updated at some point while change url very fast
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This issue tracker is for Bug Reports and Feature Requests only.
- [ ] Bug Report
angularJS: 1.7
My version of UI-Router is: 1.0.17
# Bug Report
#### Current Behavior:
In my project, there is a sideBar which is implemented by $state.go used for change url, and we use lazyload property to load each module. I found that the view will not be updated to the latest state when I click the siderbar very fast to switch url. Due to analysis the trace log and the code of ui-router, I found it is caused by a wrong transition.
when the error occured, the trace log show that there is a A->c transition after A->B;
```javascript
var activateViews = function (transition) {
var enteringViews = transition.views('entering');
var exitingViews = transition.views('exiting');
if (!enteringViews.length && !exitingViews.length)
return;
var $view = transition.router.viewService;
exitingViews.forEach(function (vc) { return $view.deactivateViewConfig(vc); });
enteringViews.forEach(function (vc) { return $view.activateViewConfig(vc); });
$view.sync();
};
```
so when A-> started, it will try to remove the viewConfig of A , and the viewConfig of B will left in the _viewConfigs;
```javascript
var matchingConfigPair = function (uiView) {
var matchingConfigs = _this._viewConfigs.filter(ViewService.matches(uiViewsByFqn, uiView));
if (matchingConfigs.length > 1) {
// This is OK. Child states can target a ui-view that the parent state also targets (the child wins)
// Sort by depth and return the match from the deepest child
console.log(`Multiple matching view configs for ${uiView.fqn}`, matchingConfigs);
matchingConfigs.sort(depthCompare(viewConfigDepth, -1)); // descending
}
return { uiView: uiView, viewConfig: matchingConfigs[0] };
};
```
Because of the extra config of B, the matchingConfigs will contain B and C, and the viewConfig of B will be returned
#### Expected Behavior:
the transtion's from state will be the last transition's to state.
####
question:
1. how to avoid the transition mentioned above(A->B, A->C)
2. in what situation ,the length of matchingConfigs will be greater than 1(normal situation).
3. we try to reverse matchingConfigs first before sort it by depth, and it seem to can get the correct viewConfig, is this solution ok?
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