twig

In Twig, the {% extends %} tag is used to inherit and extend the contents of another template. In the case you provided:

In Drupal Twig templates, you can set a variable like paragraph_parent to the parent entity of a paragraph using the paragraph.getParentEntity() method. This is a common approach when you want to access the parent entity (e.g., a node) that contains the paragraph.  Here's how you can do it:

Update Drupal to 10.1.x and I'm receiving the following error

Twig error

Twig\Error\SyntaxError: Unknown "filter" tag. in Twig\Parser->subparse() (line 6 of themes/custom/{theme}/templates/views/views-view-field--products--field_product_type.html.twig).

Line 6 of the views-view-field--products--field_product_type.html.twig file is 

{% filter upper|escape('html') %}

The actual Twig file code

Do you want to know how to add a node alias in a twig file?  Rather than do the set up in a custom module or using your theme file.

To be able to create a node alias in a twig file you need to know the node.nid value.  Obviously without it you have nothing to reference from.  In this example, the node.nid value is extracted during a loop.  A fairly standard loop such as

I want to create a content type that has a paragraph.  Easy enough.

What happens when I want to extend this concept and have a paragraph within the first paragraph?  Importantly, then display the second paragraph in a twig file.

How to create a content type that holds a paragraph within a paragraph and make it display in twig files?

Since upgrading to Drupal 9.3.0 have you come across this error?

When you have an entity ID value such as node ID (nid) or taxonomy term ID, how can you create the alias in a twig file?  In other words, instead of /taxonomy/term/{tid} I would like to get the alias I have defined for this, eg: /some/path/to/my/term.

In trying to find an answer you might have queried your search criteria using something like

twig canonical taxonomy path

twig canonical entity path

twig canonical node path

Having access to a site’s URL in your templates can come in handy for many different use cases, such as determining if your on the admin/people page as apposed to admin/reports/dblog or admin/content.  These three pages might seem to bear on common relationship, however there is at least one.  Users.

I edited the user in the admin/people page so rather than showing just username, know shows:

Working in Twig, I had to add classes to a pre-existing array.  Whilst I've grown used to the patterns in PHP, these cannot be applied in Twig.  Instead I had to merge the new array elements.

Non associative arrays

Working from a base level, I'll begin as if the original array hasn't been set.  The merge filter expects as first argument an array whose content will be merged with the assigned variable: