Retrieving the text from an Angular directive's element within the template

Currently, I am following a tutorial on custom components from EggHead.io and encountered an issue. The problem arises when declaring a directive like this:

angular.module('myApp', [])
    .directive('myDir', function(){
        return {
            restrict: "E",
            controller: "myController",
            link: function(scope, element, attrs) {
                scope.foo = element.text();
            },
            templateUrl: "myDirTemplate.html"
        }
    });

The template looks like this:

<div>The value is: {{foo}}</div>

And the directive is being used as follows:

<html>
...
<myDir>Bar</myDir> 
...
</html>

In the link function, element refers to the template content.

If I omit the templateUrl, element points to the main view content instead of the template. My goal is for the directive to take the text "Bar" and insert it into the {{foo}}, resulting in:

<div>The value is: Bar</div> 

Unfortunately, I'm unsure how to prevent Angular from always selecting the template's element.

Any suggestions?

Answer №1

To implement this feature, utilize the ngTransclude directive:

app.directive('myDir', function(){
  return {
    restrict: "E",
    transclude: true,
    templateUrl: "myDirTemplate.html",
    replace: true
  }
});

Following that, your external template should resemble something like this:

<div>The value is: <span ng-transclude></span></div>

See the code in action by clicking here: http://plnkr.co/edit/EuT5UlgyxgM8d54pTpOr?p=preview

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