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POAngular and Typescript Memory leaks
 

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  1. POAngular and Typescript Memory leaks
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    <p>In a AngularJS 1.2.5 using TypeScript 0.9.1 app, we are seeing that when we change routes, the private methods on a controller class remain in the heap and leave detached DOM trees in chromes profiler. </p> <p>If we navigate /#/view1 to /#/view2 and back to /3/view1, we end up with view1 controller class in the heap twice and view2 controller class in the heap as well. </p> <p>Our workaround has been to not use private methods anymore.</p> <p>The code generally looks like:</p> <pre><code>module views { app.controller("view1Ctrl", function($scope, $routeParams) { return new view1Ctrl($scope, $routeParams); }); interface Scope extends ng.IScope { TrackingTab: any; } class view1Ctrl { constructor(private $scope: Scope, $routeParams: any) { $scope.TrackingTab = $routeParams["tab"]; $scope.$watch("showTab", (newValue: TrackingTab): void =&gt; { if (newValue === undefined) return; }); } private changeTabToNew(): void { this.$scope.TrackingTab = "new" } } } </code></pre> <p>we have to change to something along the lines of:</p> <pre><code>module views { app.controller("view1Ctrl", function($scope, $routeParams) { return new view1Ctrl($scope, $routeParams); }); interface Scope extends ng.IScope { TrackingTab: any; } class view1Ctrl { constructor(private $scope: Scope, $routeParams: any) { $scope.TrackingTab = $routeParams["tab"]; $scope.$watch("showTab", (newValue: TrackingTab): void =&gt; { if (newValue === undefined) return; }); $scope.changeTabToNew(): void { this.$scope.TrackingTab = "new" }; } } </code></pre> <p>Thanks in advance</p>
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    1. USJdahern
    1. USJdahern
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    1. COprivate and public are the same thing.
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      1. USFresheyeball
    2. COSorry, but I meant that I have to make the private method into the scope, I edited the question to give a little more information. Hope that helps.
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      1. POAngular and Typescript Memory leaks
      1. USJdahern
    3. COYou are saying that attaching the method to `$scope` is allowing the entire class to get garbage collected? but having it attached directly to the class is preventing the entire class from being garbage collected?
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      1. USFresheyeball
 

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