If a promise is returned instead of a deferred, imageCache (purgeCacheIfNecessary) will break because it calls reject() on every item removed from the cache. Pull request https://github.com/chafey/cornerstoneWADOImageLoader/pull/64
If a promise is returned instead of a deferred, imageCache (purgeCacheIfNecessary) will break because it calls reject() on every item removed from the cache. Pull request https://github.com/chafey/cornerstoneWADOImageLoader/pull/64