How to display the parent taxonomy term of the "Tags" field?

Question

On my Drupal 9 site, I created taxonomy terms in the "tags" vocabulary (the vocabulary and the default field of the "article" content type) :

When I create a node, I select a taxonomy term in the form (for example "ICO"). The node displays the "tags" field :

I want that if the node has the term "ICO", it also displays the parent terms. Like this :

Catégories : Culture geek, crypto, ICO

How can I do this? I did not find anything in the view mode regarding this field.

Answer 1

You need a field formatter for that, luckily there is one already that covers this use case, it's the Hierarchical Term Formatter that works with Drupal 9.

1. For the given taxonomy structure:

2. By selecting the terminal term (in this example 'jodri')

3. Installing the Hierarchical Term Formatter, with its default configuration

4. Results in the following display of the rendered node.