feat(viewer): Add support for disabling .boxdicom file type

src/lib/viewers/iframe/IFrameLoader.js

@@ -1,3 +1,4 @@
+import getProp from 'lodash/get';
 import AssetLoader from '../AssetLoader';
 import IFrameViewer from './IFrameViewer';
 import { ORIGINAL_REP_NAME } from '../../constants';
@@ -22,6 +23,20 @@ class IFrameLoader extends AssetLoader {
         super();
         this.viewers = VIEWERS;
     }
+
+    /**
+     * @inheritdoc
+     */
+    determineViewer(file, disabledViewers = [], viewerOptions = {}) {
+        const isDicomFile = file.extension === 'boxdicom';
+        const disableDicom = getProp(viewerOptions, 'IFrame.disableDicom');
+        // The IFrame viewer is disabled when the file is a Boxdicom file and the disableDicom viewer option is enabled
+        if (disableDicom && isDicomFile) {
+            disabledViewers.push('IFrame');
+        }
+
+        return super.determineViewer(file, disabledViewers);
+    }
 }
 
 export default new IFrameLoader();

src/lib/viewers/iframe/__tests__/IFrameLoader-test.js

@@ -1,12 +1,19 @@
-/* eslint-disable no-unused-expressions */
 import IFrameLoader from '../IFrameLoader';
 import IFrameViewer from '../IFrameViewer';
 
-const sandbox = sinon.createSandbox();
-
 describe('lib/viewers/iframe/IFrameLoader', () => {
-    afterEach(() => {
-        sandbox.verifyAndRestore();
+    const iframe = new IFrameViewer({
+        file: {
+            id: '123',
+            extension: 'boxnote',
+            representations: {
+                entries: [
+                    {
+                        representation: 'ORIGINAL',
+                    },
+                ],
+            },
+        },
     });
 
     test('should have the correct viewer', () => {
@@ -18,4 +25,24 @@ describe('lib/viewers/iframe/IFrameLoader', () => {
             EXT: ['boxnote', 'boxdicom'],
         });
     });
+
+    test.each`
+        disableDicom | fileType      | viewerInstance
+        ${true}      | ${'boxdicom'} | ${undefined}
+        ${true}      | ${'boxnote'}  | ${IFrameLoader.viewers[0]}
+        ${false}     | ${'boxdicom'} | ${IFrameLoader.viewers[0]}
+    `(
+        'should return correct result depending on the disableDicom viewer option and file type',
+        ({ disableDicom, fileType, viewerInstance }) => {
+            iframe.options.file.extension = fileType;
+
+            const viewerOptions = {
+                IFrame: {
+                    disableDicom,
+                },
+            };
+            const viewer = IFrameLoader.determineViewer(iframe.options.file, [], viewerOptions);
+            expect(viewer).toEqual(viewerInstance);
+        },
+    );
 });