feat: Allow configurable context menus (#2894)

* feat: Context menu

feat: Custom context menu

Adding documentation

PR updates

* fix: Capture tool exception

* PR updates

* Add fully worked out examples in the basic test mode/extension

* Fix the menu display

* fix: Make the commands on clicks much more configurable

* Wait for load before double clicking

* docs

* PR changes - nothing functional, just moving things endlessly

* PR comments

* PR changes - rename the default context menu

* Renamed the cornerstoneContextMenu to measurementsContextMenu

* Add chevron right to the sub-menus

extensions/default/src/CustomizeableContextMenu/ContextMenuController.tsx

@@ -0,0 +1,208 @@
+import * as ContextMenuItemsBuilder from './ContextMenuItemsBuilder';
+import ContextMenu from '../../../../platform/ui/src/components/ContextMenu/ContextMenu';
+import { CommandsManager, ServicesManager, Types } from '@ohif/core';
+import { Menu, MenuItem, Point, ContextMenuProps } from './types';
+
+/**
+ * The context menu controller is a helper class that knows how
+ * to manage context menus based on the UI Customization Service.
+ * There are a few parts to this:
+ *    1. Basic controls to manage displaying and hiding context menus
+ *    2. Menu selection services, which use the UI customization service
+ *       to choose which menu to display
+ *    3. Menu item adapter services to convert menu items into displayable and actionable items.
+ *
+ * The format for a menu is defined in the exported type MenuItem
+ */
+export default class ContextMenuController {
+  commandsManager: CommandsManager;
+  services: Types.Services;
+  menuItems: Menu[] | MenuItem[];
+
+  constructor(
+    servicesManager: ServicesManager,
+    commandsManager: CommandsManager
+  ) {
+    this.services = servicesManager.services as Obj;
+    this.commandsManager = commandsManager;
+  }
+
+  closeContextMenu() {
+    this.services.uiDialogService.dismiss({ id: 'context-menu' });
+  }
+
+  /**
+   * Figures out which context menu is appropriate to display and shows it.
+   *
+   * @param contextMenuProps - the context menu properties, see ./types.ts
+   * @param viewportElement - the DOM element this context menu is related to
+   * @param defaultPointsPosition - a default position to show the context menu
+   */
+  showContextMenu(
+    contextMenuProps: ContextMenuProps,
+    viewportElement,
+    defaultPointsPosition
+  ): void {
+    if (!this.services.uiDialogService) {
+      console.warn('Unable to show dialog; no UI Dialog Service available.');
+      return;
+    }
+
+    const { event, subMenu, menuId, menus, selectorProps } = contextMenuProps;
+
+    console.log('Getting items from', menus);
+    const items = ContextMenuItemsBuilder.getMenuItems(
+      selectorProps || contextMenuProps,
+      event,
+      menus,
+      menuId
+    );
+
+    this.services.uiDialogService.dismiss({ id: 'context-menu' });
+    this.services.uiDialogService.create({
+      id: 'context-menu',
+      isDraggable: false,
+      preservePosition: false,
+      preventCutOf: true,
+      defaultPosition: ContextMenuController._getDefaultPosition(
+        defaultPointsPosition,
+        event?.detail,
+        viewportElement
+      ),
+      event,
+      content: ContextMenu,
+
+      // This naming is part of hte uiDialogService convention
+      // Clicking outside simpy closes the dialog box.
+      onClickOutside: () =>
+        this.services.uiDialogService.dismiss({ id: 'context-menu' }),
+
+      contentProps: {
+        items,
+        selectorProps,
+        menus,
+        event,
+        subMenu,
+        eventData: event?.detail,
+
+        onClose: () => {
+          this.services.uiDialogService.dismiss({ id: 'context-menu' });
+        },
+
+        /**
+         * Displays a sub-menu, removing this menu
+         * @param {*} item
+         * @param {*} itemRef
+         * @param {*} subProps
+         */
+        onShowSubMenu: (item, itemRef, subProps) => {
+          if (!itemRef.subMenu) {
+            console.warn('No submenu defined for', item, itemRef, subProps);
+            return;
+          }
+          this.showContextMenu(
+            {
+              ...contextMenuProps,
+              menuId: itemRef.subMenu,
+            },
+            viewportElement,
+            defaultPointsPosition
+          );
+        },
+
+        // Default is to run the specified commands.
+        onDefault: (item, itemRef, subProps) => {
+          this.commandsManager.run(item, {
+            ...selectorProps,
+            ...itemRef,
+            subProps,
+          });
+        },
+      },
+    });
+  }
+
+  static getDefaultPosition = (): Point => {
+    return {
+      x: 0,
+      y: 0,
+    };
+  };
+
+  static _getEventDefaultPosition = eventDetail => ({
+    x: eventDetail && eventDetail.currentPoints.client[0],
+    y: eventDetail && eventDetail.currentPoints.client[1],
+  });
+
+  static _getElementDefaultPosition = element => {
+    if (element) {
+      const boundingClientRect = element.getBoundingClientRect();
+      return {
+        x: boundingClientRect.x,
+        y: boundingClientRect.y,
+      };
+    }
+
+    return {
+      x: undefined,
+      y: undefined,
+    };
+  };
+
+  static _getCanvasPointsPosition = (points = [], element) => {
+    const viewerPos = ContextMenuController._getElementDefaultPosition(element);
+
+    for (let pointIndex = 0; pointIndex < points.length; pointIndex++) {
+      const point = {
+        x: points[pointIndex][0] || points[pointIndex]['x'],
+        y: points[pointIndex][1] || points[pointIndex]['y'],
+      };
+      if (
+        ContextMenuController._isValidPosition(point) &&
+        ContextMenuController._isValidPosition(viewerPos)
+      ) {
+        return {
+          x: point.x + viewerPos.x,
+          y: point.y + viewerPos.y,
+        };
+      }
+    }
+  };
+
+  static _isValidPosition = (source): boolean => {
+    return (
+      source && typeof source.x === 'number' && typeof source.y === 'number'
+    );
+  };
+
+  /**
+   * Returns the context menu default position. It look for the positions of: canvasPoints (got from selected), event that triggers it, current viewport element
+   */
+  static _getDefaultPosition = (canvasPoints, eventDetail, viewerElement) => {
+    function* getPositionIterator() {
+      yield ContextMenuController._getCanvasPointsPosition(
+        canvasPoints,
+        viewerElement
+      );
+      yield ContextMenuController._getEventDefaultPosition(eventDetail);
+      yield ContextMenuController._getElementDefaultPosition(viewerElement);
+      yield ContextMenuController.getDefaultPosition();
+    }
+
+    const positionIterator = getPositionIterator();
+
+    let current = positionIterator.next();
+    let position = current.value;
+
+    while (!current.done) {
+      position = current.value;
+
+      if (ContextMenuController._isValidPosition(position)) {
+        positionIterator.return();
+      }
+      current = positionIterator.next();
+    }
+
+    return position;
+  };
+}

extensions/default/src/CustomizeableContextMenu/ContextMenuItemsBuilder.test.js

@@ -0,0 +1,29 @@
+import ContextMenuItemsBuilder from "./ContextMenuItemsBuilder";
+
+const menus = [
+  {
+    id: 'one',
+    selector: ({ value }) => value === 'one',
+    items: [],
+  },
+  {
+    id: 'two',
+    selector: ({ value }) => value === 'two',
+    items: [],
+  },
+  {
+    id: 'default',
+    items: [],
+  },
+];
+
+const menuBuilder = new ContextMenuItemsBuilder();
+
+describe('ContextMenuItemsBuilder', () => {
+  test('findMenuDefault', () => {
+    expect(menuBuilder.findMenuDefault(menus, {})).toBe(menus[2]);
+    expect(menuBuilder.findMenuDefault(menus, { value: 'two' })).toBe(menus[1]);
+    expect(menuBuilder.findMenuDefault([], {})).toBeUndefined();
+    expect(menuBuilder.findMenuDefault(undefined, undefined)).toBeNull();
+  });
+});

extensions/default/src/CustomizeableContextMenu/ContextMenuItemsBuilder.ts

@@ -0,0 +1,193 @@
+import { Types } from '@ohif/ui';
+import { Menu, SelectorProps, MenuItem, ContextMenuProps } from './types';
+
+type ContextMenuItem = Types.ContextMenuItem;
+
+/**
+ * Finds menu by menu id
+ *
+ * @returns Menu having the menuId
+ */
+export function findMenuById(menus: Menu[], menuId?: string): Menu {
+  if (!menuId) {
+    return;
+  }
+
+  return menus.find(menu => menu.id === menuId);
+}
+
+/**
+ * Default finding menu method.  This method will go through
+ * the list of menus until it finds the first one which
+ * has no selector, OR has the selector, when applied to the
+ * check props, return true.
+ * The selectorProps are a set of provided properties which can be
+ * passed into the selector function to determine when to display a menu.
+ * For example, a selector function of:
+ * `({displayset}) => displaySet?.SeriesDescription?.indexOf?.('Left')!==-1
+ * would match series descriptions containing 'Left'.
+ *
+ * @param {Object[]} menus List of menus
+ * @param {*} subProps
+ * @returns
+ */
+export function findMenuDefault(
+  menus: Menu[],
+  subProps: Record<string, unknown>
+): Menu {
+  if (!menus) {
+    return null;
+  }
+  return menus.find(
+    menu => !menu.selector || menu.selector(subProps.selectorProps)
+  );
+}
+
+/**
+ * Finds the menu to be used for different scenarios:
+ * This will first look for a subMenu with the specified subMenuId
+ * Next it will look for the first menu whose selector returns true.
+ *
+ * @param menus - List of menus
+ * @param props - root props
+ * @param menuIdFilter - menu id identifier (to be considered on selection)
+ *      This is intended to support other types of filtering in the future.
+ */
+export function findMenu(
+  menus: Menu[],
+  props?: Types.IProps,
+  menuIdFilter?: string
+) {
+  const { subMenu } = props;
+
+  function* findMenuIterator() {
+    yield findMenuById(menus, menuIdFilter || subMenu);
+    yield findMenuDefault(menus, props);
+  }
+
+  const findIt = findMenuIterator();
+
+  let current = findIt.next();
+  let menu = current.value;
+
+  while (!current.done) {
+    menu = current.value;
+
+    if (menu) {
+      findIt.return();
+    }
+    current = findIt.next();
+  }
+
+  console.log('Menu chosen', menu?.id || 'NONE');
+
+  return menu;
+}
+
+/**
+ * Returns the menu from a list of possible menus, based on the actual state of component props and tool data nearby.
+ * This uses the findMenu command above to first find the appropriate
+ * menu, and then it chooses the actual contents of that menu.
+ * A menu item can be optional by implementing the 'selector',
+ * which will be called with the selectorProps, and if it does not return true,
+ * then the item is excluded.
+ *
+ * Other menus can be delegated to by setting the delegating value to
+ * a string id for another menu.  That menu's content will replace the
+ * current menu item (only if the item would be included).
+ *
+ * This allows single id menus to be chosen by id, but have varying contents
+ * based on the delegated menus.
+ *
+ * Finally, for each item, the adaptItem call is made.  This allows
+ * items to modify themselves before being displayed, such as
+ * incorporating additional information from translation sources.
+ * See the `test-mode` examples for details.
+ *
+ * @param selectorProps
+ * @param {*} event event that originates the context menu
+ * @param {*} menus List of menus
+ * @param {*} menuIdFilter
+ * @returns
+ */
+export function getMenuItems(
+  selectorProps: Types.IProps,
+  event: Event,
+  menus: Menu[],
+  menuIdFilter?: string
+): MenuItem[] | void {
+  // Include both the check props and the ...check props as one is used
+  // by the child menu and the other used by the selector function
+  const subProps = { selectorProps, event };
+
+  const menu = findMenu(menus, subProps, menuIdFilter);
+
+  if (!menu) {
+    return undefined;
+  }
+
+  if (!menu.items) {
+    console.warn('Must define items in menu', menu);
+    return [];
+  }
+
+  let menuItems = [];
+  menu.items.forEach(item => {
+    const { delegating, selector, subMenu } = item;
+
+    if (!selector || selector(selectorProps)) {
+      if (delegating) {
+        menuItems = [
+          ...menuItems,
+          ...getMenuItems(selectorProps, event, menus, subMenu),
+        ];
+      } else {
+        const toAdd = adaptItem(item, subProps);
+        menuItems.push(toAdd);
+      }
+    }
+  });
+
+  return menuItems;
+}
+
+/**
+ * Returns item adapted to be consumed by ContextMenu component
+ * and then goes through the item to add action behaviour for clicking the item,
+ * making it compatible with the default ContextMenu display.
+ *
+ * @param {Object} item
+ * @param {Object} subProps
+ * @returns a MenuItem that is compatible with the base ContextMenu
+ *    This requires having a label and set of actions to be called.
+ */
+export function adaptItem(
+  item: MenuItem,
+  subProps: ContextMenuProps
+): ContextMenuItem {
+  const newItem: ContextMenuItem = {
+    ...item,
+    value: subProps.selectorProps?.value,
+  };
+
+  if (item.actionType === 'ShowSubMenu' && !newItem.iconRight) {
+    newItem.iconRight = 'chevron-right';
+  }
+  if (!item.action) {
+    newItem.action = (itemRef, componentProps) => {
+      const { event = {} } = componentProps;
+      const { detail = {} } = event;
+      newItem.element = detail.element;
+
+      componentProps.onClose();
+      const action = componentProps[`on${itemRef.actionType || 'Default'}`];
+      if (action) {
+        action.call(componentProps, newItem, itemRef, subProps);
+      } else {
+        console.warn('No action defined for', itemRef);
+      }
+    };
+  }
+
+  return newItem;
+}

extensions/default/src/CustomizeableContextMenu/defaultContextMenu.ts

@@ -0,0 +1,31 @@
+const defaultContextMenu = {
+  id: 'measurementsContextMenu',
+  customizationType: 'ohif.contextMenu',
+  menus: [
+    // Get the items from the UI Customization for the menu name (and have a custom name)
+    {
+      id: 'forExistingMeasurement',
+      selector: ({ nearbyToolData }) => !!nearbyToolData,
+      items: [
+        {
+          label: 'Delete measurement',
+          commands: [
+            {
+              commandName: 'deleteMeasurement',
+            },
+          ],
+        },
+        {
+          label: 'Add Label',
+          commands: [
+            {
+              commandName: 'setMeasurementLabel',
+            },
+          ],
+        },
+      ],
+    },
+  ],
+};
+
+export default defaultContextMenu;

extensions/default/src/CustomizeableContextMenu/index.ts

@@ -0,0 +1,11 @@
+import ContextMenuController from './ContextMenuController';
+import ContextMenuItemsBuilder from './ContextMenuItemsBuilder';
+import defaultContextMenu from './defaultContextMenu';
+import * as CustomizeableContextMenuTypes from './types';
+
+export {
+  ContextMenuController,
+  CustomizeableContextMenuTypes,
+  ContextMenuItemsBuilder,
+  defaultContextMenu,
+};

extensions/default/src/CustomizeableContextMenu/types.ts

@@ -0,0 +1,123 @@
+import { Types } from '@ohif/core';
+
+/**
+ * SelectorProps are properties used to decide whether to select a manu or
+ * menu item for display.
+ * An instance of SelectorProps is provided to the selector functions, which
+ * return true to include the item or false to exclude it.
+ * The point of this is to allow more specific conext menus which hide
+ * non-relevant menu options, optimizing the speed of selection of menus
+ * (See Bill Wallace's masters thesis for selection time versus complexity of user menus).
+ */
+export interface SelectorProps {
+  // If the context menu is invoked in the context of a measurement, then it
+  // will contain the nearby tool data.
+  nearbyToolData?: Record<string, unknown>;
+
+  // The tool name for the nearby tool
+  toolName?: string;
+
+  // An annotation UID - this will be present if nearyToolData is present.
+  uid?: string;
+
+  // If the context menu is invoked on an active viewport, then it will contain
+  // the first display set.
+  displaySet?: Record<string, unknown>;
+
+  // The triggering event - can be used to determine key modifiers
+  event?: Event;
+
+  // Any other properties
+  [propertyName: string]: unknown;
+}
+
+/**
+ * The type of item actually required for the ContextMenu UI display
+ */
+export type UIMenuItem = {
+  label: string;
+  // Called when the item is selected
+  action?: (itemRef, componentProps) => void;
+};
+
+/**
+ * A MenuItem is a single line item within a menu, and specifies a selectable
+ * value for the menu.
+ */
+export interface MenuItem {
+  id?: string;
+  /** The customization type is used to apply preset values to this item
+   * when registered with the customization service.
+   */
+  customizationType?: string;
+
+  // The label is the value to show in the menu for this item
+  label?: string;
+
+  // Delegating items are used to include other sub-menus inline within
+  // this menu.  That allows sharing part of the menu structure, but also,
+  // more importantly to use a single selector function to include/exclude
+  // and entire section of sub-menu.
+  // See the `siteSelectionSubMenu` within the example `findingsMenu`
+  // for an example
+  delegating?: boolean;
+
+  // A sub-menu is shown when this item is selected or is delegating.
+  //  This item gives the name of the sub-menu.
+  subMenu?: string;
+
+  // The selector is used to determine if this menu entry will be shown
+  // or more importantly, if the delegating subMenu will be included.
+  selector?: (props: SelectorProps) => boolean;
+
+  /** Adapts the item by filling in additional properties as requried */
+  adaptItem?: (item: MenuItem, props: ContextMenuProps) => UIMenuItem;
+
+  /** List of commands to run when this item's action is taken. */
+  commands?: Types.Command[];
+}
+
+/**
+ * A menu is a list of menu items, plus a selector.
+ * The selector is used to determine whether the menu should be displayed
+ * in a given context.  The parameters passed to the selector come from
+ * the 'selectorProps' value in the options, and are intended to be context
+ * specific values containing things like the selected object, the currently
+ * displayed study etc so that the context menu can dynamically choose which
+ * view to show.
+ */
+export interface Menu {
+  id: string;
+
+  /** The customization type is used to apply preset values to this item
+   * when registered with the customization service.
+   */
+  customizationType?: string;
+
+  // Choose whether this menu applies.
+  selector?: Types.Predicate;
+
+  items: MenuItem[];
+}
+
+export type Point = {
+  x: number;
+  y: number;
+};
+
+/**
+ * ContextMenuProps is the top level argument used to invoke the context menu
+ * itself.  It contains the menus available for display, as well as the event
+ * and selector props used to decide the menu.
+ */
+export type ContextMenuProps = {
+  event?: EventTarget;
+  subMenu?: string;
+  menuId: string;
+
+  /** A set of menus to choose from for this context menu */
+  menus: Menu[];
+
+  /** The properties used to decide the menu type */
+  selectorProps: SelectorProps;
+};

extensions/default/src/commandsModule.ts

@@ -1,5 +1,9 @@
-import { DicomMetadataStore, ServicesManager } from '@ohif/core';
+import { ServicesManager, Types } from '@ohif/core';
 
+import {
+  ContextMenuController,
+  defaultContextMenu,
+} from './CustomizeableContextMenu';
 import DicomTagBrowser from './DicomTagBrowser/DicomTagBrowser';
 import reuseCachedLayouts from './utils/reuseCachedLayouts';
 import findViewportsByPosition, {
@@ -23,8 +27,12 @@ const isHangingProtocolCommand = command =>
   (command.commandName === 'setHangingProtocol' ||
     command.commandName === 'toggleHangingProtocol');
 
-const commandsModule = ({ servicesManager, commandsManager }) => {
+const commandsModule = ({
+  servicesManager,
+  commandsManager,
+}: Types.Extensions.ExtensionParams): Types.Extensions.CommandsModule => {
   const {
+    customizationService,
     measurementService,
     hangingProtocolService,
     uiNotificationService,
@@ -34,7 +42,60 @@ const commandsModule = ({ servicesManager, commandsManager }) => {
     toolbarService,
   } = (servicesManager as ServicesManager).services;
 
+  // Define a context menu controller for use with any context menus
+  const contextMenuController = new ContextMenuController(
+    servicesManager,
+    commandsManager
+  );
+
   const actions = {
+    /**
+     * Show the context menu.
+     * @param options.menuId defines the menu name to lookup, from customizationService
+     * @param options.defaultMenu contains the default menu set to use
+     * @param options.element is the element to show the menu within
+     * @param options.event is the event that caused the context menu
+     * @param options.selectorProps is the set of selection properties to use
+     */
+    showContextMenu: options => {
+      const {
+        menuCustomizationId,
+        element,
+        event,
+        selectorProps,
+        defaultPointsPosition = [],
+      } = options;
+
+      const optionsToUse = { ...options };
+
+      if (menuCustomizationId) {
+        Object.assign(
+          optionsToUse,
+          customizationService.get(menuCustomizationId, defaultContextMenu)
+        );
+      }
+
+      // TODO - make the selectorProps richer by including the study metadata and display set.
+      const { protocol, stage } = hangingProtocolService.getActiveProtocol();
+      optionsToUse.selectorProps = {
+        event,
+        protocol,
+        stage,
+        ...selectorProps,
+      };
+
+      contextMenuController.showContextMenu(
+        optionsToUse,
+        element,
+        defaultPointsPosition
+      );
+    },
+
+    /** Close a context menu currently displayed */
+    closeContextMenu: () => {
+      contextMenuController.closeContextMenu();
+    },
+
     displayNotification: ({ text, title, type }) => {
       uiNotificationService.show({
         title: title,
@@ -336,6 +397,12 @@ const commandsModule = ({ servicesManager, commandsManager }) => {
   };
 
   const definitions = {
+    showContextMenu: {
+      commandFn: actions.showContextMenu,
+    },
+    closeContextMenu: {
+      commandFn: actions.closeContextMenu,
+    },
     clearMeasurements: {
       commandFn: actions.clearMeasurements,
       storeContexts: [],

extensions/default/src/getCustomizationModule.tsx

@@ -1,3 +1,4 @@
+import { CustomizationService } from '@ohif/core';
 import React from 'react';
 import DataSourceSelector from './Panels/DataSourceSelector';
 
@@ -82,7 +83,6 @@ export default function getCustomizationModule() {
          */
         {
           id: 'ohif.overlayItem',
-          uiType: 'uiType',
           content: function (props) {
             if (this.condition && !this.condition(props)) return null;
 
@@ -91,8 +91,8 @@ export default function getCustomizationModule() {
               instance && this.attribute
                 ? instance[this.attribute]
                 : this.contentF && typeof this.contentF === 'function'
-                ? this.contentF(props)
-                : null;
+                  ? this.contentF(props)
+                  : null;
             if (!value) return null;
 
             return (
@@ -109,6 +109,26 @@ export default function getCustomizationModule() {
             );
           },
         },
+
+        {
+          id: 'ohif.contextMenu',
+
+          /** Applies the customizationType to all the menu items */
+          transform: function (customizationService: CustomizationService) {
+            // Don't modify the children, as those are copied by reference
+            const clonedObject = { ...this };
+            clonedObject.menus = this.menus.map(it => ({ ...it }));
+
+            for (const menu of clonedObject.menus) {
+              const { items: originalItems } = menu;
+              menu.items = [];
+              for (const item of originalItems) {
+                menu.items.push(customizationService.transform(item));
+              }
+            }
+            return clonedObject;
+          },
+        },
       ],
     },
   ];

extensions/default/src/index.ts

@@ -1,32 +1,34 @@
+import { Types } from '@ohif/core';
+
 import getDataSourcesModule from './getDataSourcesModule.js';
 import getLayoutTemplateModule from './getLayoutTemplateModule.js';
 import getPanelModule from './getPanelModule';
 import getSopClassHandlerModule from './getSopClassHandlerModule.js';
 import getToolbarModule from './getToolbarModule';
-import commandsModule from './commandsModule';
+import getCommandsModule from './commandsModule';
 import getHangingProtocolModule from './getHangingProtocolModule';
 import getStudiesForPatientByStudyInstanceUID from './Panels/getStudiesForPatientByStudyInstanceUID';
 import getCustomizationModule from './getCustomizationModule';
 import { id } from './id.js';
-import init from './init';
+import preRegistration from './init';
+import {
+  ContextMenuController,
+  CustomizeableContextMenuTypes,
+} from './CustomizeableContextMenu';
 
-const defaultExtension = {
+const defaultExtension: Types.Extensions.Extension = {
   /**
    * Only required property. Should be a unique value across all extensions.
    */
   id,
-  preRegistration: ({ servicesManager, configuration = {} }) => {
-    init({ servicesManager, configuration });
-  },
+  preRegistration,
   getDataSourcesModule,
   getLayoutTemplateModule,
   getPanelModule,
   getHangingProtocolModule,
   getSopClassHandlerModule,
   getToolbarModule,
-  getCommandsModule({ servicesManager, commandsManager }) {
-    return commandsModule({ servicesManager, commandsManager });
-  },
+  getCommandsModule,
   getUtilityModule({ servicesManager }) {
     return [
       {
@@ -42,3 +44,5 @@ const defaultExtension = {
 };
 
 export default defaultExtension;
+
+export { ContextMenuController, CustomizeableContextMenuTypes };

extensions/default/src/init.ts

@@ -10,7 +10,7 @@ const metadataProvider = classes.MetadataProvider;
  * @param {Object} servicesManager
  * @param {Object} configuration
  */
-export default function init({ servicesManager, configuration }) {
+export default function init({ servicesManager, configuration = {} }): void {
   const { stateSyncService } = servicesManager.services;
   // Add
   DicomMetadataStore.subscribe(