The selected file /tmp/filetRzQRu could not be uploaded, because the destination sites/default/filesmin.js is not properly ...

I think I solved the problem that emmits a warning like : "The selected file /tmp/filetRzQRu could not be uploaded, because the destination sites/default/filesmin.js is not properly configured."

It was because the

preg_match_all($pattern, $scripts, $matches);

on line 86-87 (stable ot CVS version release )

when run on a whitespace $scripts variable returns an empty value in $matches[2][0]...

On my brand new site with javascript_aggregator 1.2

i saw that the function _javascript_aggregator_minify($scripts) {
func was called 2 times - once with the main drupal $scripts and secondly with the $js_footer scripts... The second one for some reason was equal to " " - single space or similar... whitespace for sure.

So now in the module $js_footer is being cheked for being empty - and the preg_match_all does not check if it gets sth or nothing ....

The simple solution attached - an if added to the preg_match....

Code not indented on purpose beneath that "if" I add - for simplicity of the patch and cause if you indent it you must correct the <