Uncaught TypeError: params.data is undefined

[fritzmg]

If an attribute filter has search enabled and link masking is enabled, then the following error will occur, if you filter the attribute via the search input and then click on an attribute to filter:

Uncaught TypeError: params.data is undefined

dataPost.js from Magento needs the data-post variables, e.g.

data-post='{"action":"https:\/\/shop.local\/linkmasking\/filter\/redirect\/","data":{"url":"https:\/\/shop.local\/lebensmittel\/jamsession","uenc":"aHR0cHM6Ly9teXByb2R1Y3QubG9jYWwvbGViZW5zbWl0dGVs"}}'

However, once the list is filtered, the data-post attribute will look like this:

data-post="https://shop.local/lebensmittel/jamsession"

i.e. missing the JSON with action, data etc. - which will then cause the error when trying to click the filter item.