const instanceClassViewportSettingsFunctions = {}; const getInstanceClassDefaultViewport = (series, enabledElement, imageId) => { let instanceClass = series.sopClassUid; if (!instanceClassViewportSettingsFunctions[instanceClass]) { return; } return instanceClassViewportSettingsFunctions[instanceClass](series, enabledElement, imageId); }; const setInstanceClassDefaultViewportFunction = (instanceClass, fn) => { instanceClassViewportSettingsFunctions[instanceClass] = fn; }; export { getInstanceClassDefaultViewport, setInstanceClassDefaultViewportFunction };