Rename key to __rootData

packages/core/src/dom_components/model/ComponentWrapper.ts

@@ -9,6 +9,9 @@ import { DataVariableProps } from '../../data_sources/model/DataVariable';
 import { DataCollectionStateMap } from '../../data_sources/model/data_collection/types';
 import ComponentWithCollectionsState, { DataVariableMap } from '../../data_sources/model/ComponentWithCollectionsState';
 
+export const keyRootData = '__rootData';
+
+
 export default class ComponentWrapper extends ComponentWithCollectionsState<DataVariableProps> {
   dataSourceWatcher?: DataResolverListener;
 
@@ -132,7 +135,7 @@ export default class ComponentWrapper extends ComponentWithCollectionsState<Data
     const offset = numericKey - 0;
     const remainingItems = totalItems - (1 + offset);
     const collectionState = {
-      collectionId: '__pages',
+      collectionId: keyRootData,
       currentIndex: numericKey,
       currentItem: item,
       currentKey: key,

packages/core/test/specs/dom_components/model/ComponentWrapper.ts

@@ -2,7 +2,7 @@ import { DataSourceManager, DataSource, DataRecord } from '../../../../src';
 import { DataVariableProps, DataVariableType } from '../../../../src/data_sources/model/DataVariable';
 import Component from '../../../../src/dom_components/model/Component';
 import ComponentHead from '../../../../src/dom_components/model/ComponentHead';
-import ComponentWrapper from '../../../../src/dom_components/model/ComponentWrapper';
+import ComponentWrapper, { keyRootData } from '../../../../src/dom_components/model/ComponentWrapper';
 import Editor from '../../../../src/editor';
 import EditorModel from '../../../../src/editor/model/Editor';
 import { setupTestEditor } from '../../../common';
@@ -84,7 +84,7 @@ describe('ComponentWrapper', () => {
       wrapper.setDataResolver(createDataResolver('my_data_source_id.pages.data'));
       const stateMap = wrapper.collectionsStateMap;
 
-      expect(stateMap).toHaveProperty('__pages');
+      expect(stateMap).toHaveProperty(keyRootData);
       expect(wrapper.page?.collectionsStateMap).toEqual(stateMap);
       expect(wrapper.head.collectionsStateMap).toEqual(stateMap);
     });