Override checkout template-header

[Frosti85]

Hello, i would like to style my checkout and basket UI.
I followed the instructions in the documentation, but i am struggeling to get any result.
The standard functionallity is working, but the override is not.

Environment: Typo3 11.5.17, PHP 7.4

Steps done:

• Created and installed an extension, according to the documentation

• Created subfolder structure and copied the original checkout source files from vendor/aimeos/ai-client-html into

Code: Select all

./aimeos_ext/Resources/Private/Extensions/aimeos_ext/templates/client/html/checkout/standard

• Renamed the header.php to header-ext.php

• Inserted config in the pi_flexform of the checkout-plugin

Code: Select all

client.html.checkout.standard.template-header = checkout/standard/header-ext

• Commented out the link-tags in the file to prevent css loading

• added a html comment to be displayed

It seems like it is not possible to create and switch a frontend-theme in Typo3, so this approach with overriding and referencing in the pi_flexform is necessary.

I just want to override the css (prevent the aimeos standard css) in the frontend. What am i doing wrong?
Es kann auch in Deutsch geantwortet werden

[aimeos]

As your path in the template directory of your extension is "templates/client/html/checkout/standard", the correct configuration is relative to this directory:

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client.html.checkout.standard.template-header = client/html/checkout/standard/header-ext