fix: Allow the mode setup/creation to be async, and provide a few more values to extension/app config/mode setup. (#4016)

extensions/dicom-microscopy/src/DicomMicroscopyViewport.tsx

@@ -49,6 +49,14 @@ class DicomMicroscopyViewport extends Component {
     resizeRef: PropTypes.oneOfType([PropTypes.func, PropTypes.shape({ current: PropTypes.any })]),
   };
 
+  /**
+   * Need to return this as a function to prevent webpack from munging it.
+   */
+  public static getImportPath() {
+    return '/dicom-microscopy-viewer/dicomMicroscopyViewer.min.js';
+  }
+
+
   /**
    * Get the nearest ROI from the mouse click point
    *
@@ -86,9 +94,10 @@ class DicomMicroscopyViewport extends Component {
   // you should only do this once.
   async installOpenLayersRenderer(container, displaySet) {
     const loadViewer = async metadata => {
-      const { viewer: DicomMicroscopyViewer, metadata: metadataUtils } = await import(
-        /* webpackChunkName: "dicom-microscopy-viewer" */ 'dicom-microscopy-viewer'
-      );
+      await import(
+        /* webpackIgnore: true */ DicomMicroscopyViewport.getImportPath());
+      const { viewer: DicomMicroscopyViewer, metadata: metadataUtils } = (window as any).dicomMicroscopyViewer;
+
       const microscopyViewer = DicomMicroscopyViewer.VolumeImageViewer;
 
       const client = getDicomWebClient({

extensions/dicom-microscopy/src/utils/loadSR.ts

@@ -2,6 +2,7 @@ import dcmjs from 'dcmjs';
 
 import DCM_CODE_VALUES from './dcmCodeValues';
 import toArray from './toArray';
+import DicomMicroscopyViewport from '../DicomMicroscopyViewport';
 
 const MeasurementReport = dcmjs.adapters.DICOMMicroscopyViewer.MeasurementReport;
 
@@ -47,10 +48,9 @@ export default async function loadSR(
 async function _getROIsFromToolState(naturalizedDataset, FrameOfReferenceUID) {
   const toolState = MeasurementReport.generateToolState(naturalizedDataset);
   const tools = Object.getOwnPropertyNames(toolState);
-
-  const DICOMMicroscopyViewer = await import(
-    /* webpackChunkName: "dicom-microscopy-viewer" */ 'dicom-microscopy-viewer'
-  );
+  // Does a dynamic import to prevent webpack from rebuilding the library
+  await import(/* webpackIgnore: true */ DicomMicroscopyViewport.getImportPath());
+  const DICOMMicroscopyViewer = (window as any).dicomMicroscopyViewer;
 
   const measurementGroupContentItems = _getMeasurementGroups(naturalizedDataset);