The issue arises when a continuous use of angularjs directives linked with an external template fails to display correctly upon the addition of new

In the code snippet below, you'll find a fiddle that displays 3 columns of numbers that increase in value. These columns represent directives with different templates: one inline, one preloaded, and one from an external template. When you click on the "add" button, the numbers in the columns increment. However, there seems to be an issue with the column representing a directive with an external template. It appears to create a new array when a new item is added by pressing the add button, resulting in the following error message:

TypeError: Cannot call method 'insertBefore' of null

Do you have any insights into what might be causing this problem?

http://jsfiddle.net/jwanga/EaRHD/

angular.module('app',[]).controller('controller', function($scope){

    $scope.items = [1,2,3,4,5,6,7,8,9];
    $scope.add = function(){

        $scope.items.push($scope.items[$scope.items.length - 1]+1);

    }

}).directive('item1', function(){
    return{
        restrict:'E',
        replace:true,
        scope: {
            data: '=data'
        },
        template:'<li>{{data}}</li>'
    }
}).directive('item2', function(){
    return{
        restrict:'E',
        replace:true,
        scope: {
            data: '=data'
        },
        templateUrl:'item.html'
    }
}).directive('item3', function(){
    return{
        restrict:'E',
        replace:true,
        scope: {
            data: '=data'
        },
        templateUrl:'https://s3.amazonaws.com/thedigitalself-public/jsfiddle-EaRHD-template.html'
    }
});

Answer №1

After experimenting with different approaches, I managed to resolve the issue by enclosing the directive in a parent element and transferring the ng-repeat functionality to that parent element. If anyone can offer insights into why this adjustment has an impact, I would greatly appreciate it.

Link to Code Example

<li ng-repeat="item in items"><item-3  data="item"></item-3></li>

Answer №2

While attempting to update a div with the content of a rich text editor, I encountered a message similar to yours. However, in my situation, the ng-repeat was already the parent element!

The issue arose because the desired element (within the ng-repeat) was not yet present. Fortunately, I was able to resolve it by incorporating a simple timeout function like this:

setTimeout(function() {
    $(mySelector).html(htmlContent);
},1);

Hopefully, this solution proves helpful to others as well! Cheers!

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