Skip to content

Improve hint regarding unavailable variables #1553

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 2 commits into from
Mar 28, 2025
Merged

Improve hint regarding unavailable variables #1553

Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
ed79d78
Improve hint regarding unavailable variables
d-s-codappix Mar 25, 2025
4dc6176
Apply suggestions from code review
linawolf Mar 28, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 6 additions & 0 deletions Documentation/Conditions/Index.rst
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -792,6 +792,9 @@ traverse()
# Traverse query parameters of current request along tx_news_pi1[news]
[request && traverse(request.getQueryParams(), 'tx_news_pi1/news') > 0]

# Traverse page properties for current page
[traverse(page ?? [], "pid") == 65]

.. tip::
Checking for the :ref:`request object <t3coreapi:typo3-request>` to be
available before using :typoscript:`traverse()` may be necessary, for
Expand All @@ -801,6 +804,9 @@ traverse()
available). This avoids the error
`Unable to call method "getQueryParams" of non-object "request"`.

Same is true for the `page` variable, which might not be available
in all contexts, e.g. backend modules without a page.
One can use the `?? []` workaround.

.. index:: Conditions; compatVersion
.. _condition-function-compatVersion:
Expand Down