Modify the information and return it to me

I am attempting to modify and return the content inside a custom directive (I have found some resources on SO but they only cover replacement). Here is an example:

HTML

<glossary categoryID="199">Hello and welcome to my site</glossary>

JS

.directive('glossary', [ function () {

    return {
        // I believe I need to access the current content here first before setting the template. Also, what about attributes on the custom directive?

        template: "<strong>Welcome</strong>",
        transclude: true,
        link: function (scope, element, attrs, ctrl, transclude) {
            transclude(function (clone) {
                element.replace(clone);
            });
        }
    };

}]);

Answer №1

Instead of using transclusion in this situation, I recommend a different approach.

The concept of transclusion can be simplified to: "I will incorporate your content within my own."

However, it seems like your objective is more along the lines of: "I would like to enhance your existing content with additional elements."

To achieve this, you can keep your current markup unchanged and update your directive as follows:

.directive('glossary', [
  function() {
    var replacementText = '<em>Hello</em>';
    return {
      link: function(scope, element, attrs, ctrl, transclude) {
        element.html(element.html().replace('hello', replacementText))
      }
    };
  }
]);

See it in action on this live example

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