Feature: #67545 - AJAX call to check whether file exists 

See forge#67545

Description 

A Backend AJAX call to check whether a file exists has been added. The call needs two parameters to work properly.

Impact 

The method can be called with TYPO3.settings.ajaxUrls['file_exists']. The parameters fileName and fileTarget are required:

  • fileName: Name of the file
  • fileTarget: Combined identifier of target directory for the file