Tips for ensuring the child directive has finished rendering before proceeding?

I am faced with a scenario where one directive is dependent on another:

<div style="border:2px solid black;height:150px;padding:10px">
     <my-internal-directive></my-internal-directive>
     <my-internal-directive></my-internal-directive>
     <my-internal-directive></my-internal-directive>
</div>

The directive in question is as follows:

<h2>foo</h2>

Its respective controller code snippet reads:

internalDirectiveModule.directive('myInternalDirective', function($document){
    return {
      restrict:'E',
      scope: {},
      //templateUrl: 'myInternalDirective.html',    // EXTERNAL directive render first
      template: '<h2>foo</h2>',                     // INTERNAL directive render first
      link: function(scope, element){
        $document.find('body').append('<h1>internal directive\n');
      }  
    };
});

A challenge arises when utilizing templateUrl for the internal directive, causing it to render after the external one. Conversely, employing template results in the internal directive rendering first. I need to access data from the rendered internal directive within the link method of the parent directive post-rendering, but constrained by the requirement to use templateUrl. How can I achieve this behavior of retrieving data from a child directive within the link method of a parent directive?

DEMO

Answer №2

According to Sidharth and Arlen, setting priority is optional when using two-way data binding in directives. If you don't require the use of {} scope in your code, you can easily achieve this without it. Learn more about directives here: https://docs.angularjs.org/guide/directive.

Answer №3

Here are a few suggestions to try:

  1. Increase the priority of the inner directive so it is higher than the outer directive.
  2. To delay the link function of the outer directive, you can use a timeout like this:

    link: function () { $timeout(linkFn, 1000, false); }

Update: Below is an example demonstrating how to set priority:

    angular.module('abc').directive('xyz', directive);

    directive.$inject = ['$timeout'];

    function directive($timeout) {

            return {
                    restrict: 'A',
                    priority: 100,
                    link: function ($scope, $element) {

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