Well, this is not obvious but currently it goes like this: if a module path doesn't have `/var/` somewhere the last return statement is usually removed by the build process. You want your code to work after such removal, so:
1) Change this line to just `function curCSS( elem, name, _computed ) {`, i.e. just define the `curCSS` function
2) Add a `return curCSS;` statement after the function definition (preceded by an empty line); see `src/queue/delay.js` for an example.