Add keepAttributeIdsCrossPages option

packages/core/src/dom_components/config/config.ts

@@ -60,6 +60,14 @@ export interface DomComponentsConfig {
    * work properly (eg. Web Components).
    */
   useFrameDoc?: boolean;
+
+  /**
+   * Experimental!
+   * By default, the editor ensures unique attribute IDs for all components inside the project, no matter of the page.
+   * With this option enabled, the editor will keep same attributes IDs for components across different pages.
+   * This allows multiple components cross pages (eg. <footer id="footer"/>) to share the same ID (eg. to keep the same styling).
+   */
+  keepAttributeIdsCrossPages?: boolean;
 }
 
 const config: () => DomComponentsConfig = () => ({

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

@@ -72,6 +72,11 @@ import {
 export interface IComponent extends ExtractMethods<Component> {}
 export interface SetAttrOptions extends SetOptions, UpdateStyleOptions, DataWatchersOptions {}
 export interface ComponentSetOptions extends SetOptions, DataWatchersOptions {}
+export interface CheckIdOptions {
+  keepIds?: string[];
+  idMap?: PrevToNewIdMap;
+  updatedIds?: Record<string, ComponentDefinitionDefined[]>;
+}
 
 const escapeRegExp = (str: string) => {
   return str.replace(/[|\\{}()[\]^$+*?.]/g, '\\$&');
@@ -2062,81 +2067,72 @@ export default class Component extends StyleableModel<ComponentProperties> {
 
   static ensureInList(model: Component) {
     const list = Component.getList(model);
-    const id = model.getId();
+    const propId = model.id as string | undefined;
+    const id = propId || model.getId();
     const current = list[id];
 
     if (!current) {
       list[id] = model;
     } else if (current !== model) {
+      const keepIdsCrossPages = model.em?.Components.config.keepAttributeIdsCrossPages;
       const currentPage = current.page;
       const modelPage = model.page;
       const samePage = !!currentPage && !!modelPage && currentPage === modelPage;
-
-      if (samePage) {
       const nextId = Component.getIncrementId(id, list);
+
+      if (samePage || !keepIdsCrossPages) {
         model.setId(nextId);
-        list[nextId] = model;
       } else {
-        const baseId = (model as any).ccid || id;
+        model.set({ id: nextId });
-        let nextId = baseId;
-
-        while (list[nextId] && list[nextId] !== model) {
-          nextId = Component.getIncrementId(nextId, list);
       }
 
-        (model as any).ccid = nextId;
       list[nextId] = model;
     }
-    }
 
     model.components().forEach((i) => Component.ensureInList(i));
   }
 
-  static createId(
+  static createId(model: Component, opts: CheckIdOptions = {}) {
-    model: Component,
-    opts: {
-      keepIds?: string[];
-      idMap?: PrevToNewIdMap;
-      updatedIds?: Record<string, ComponentDefinitionDefined[]>;
-    } = {},
-  ) {
     const list = Component.getList(model);
+    const keepIdsCrossPages = model.em?.Components.config.keepAttributeIdsCrossPages;
     const { idMap = {} } = opts;
     const attrs = model.get('attributes') || {};
     const attrId = attrs.id as string | undefined;
+    const propId = model.id as string | undefined;
+    const currentId = propId ?? attrId;
     let nextId: string;
 
-    if (attrId) {
+    if (propId) {
+      nextId = Component.getIncrementId(propId, list, opts);
+      if (nextId !== propId) {
+        model.set({ id: nextId });
+      }
+    } else if (attrId) {
       const existing = list[attrId] as Component | undefined;
 
       if (!existing || existing === model) {
         nextId = attrId;
-        if (!list[nextId]) {
-          list[nextId] = model;
-        }
       } else {
         const existingPage = existing.page;
         const newPage = model.page;
         const samePage = !!existingPage && !!newPage && existingPage === newPage;
-
-        if (samePage) {
         nextId = Component.getIncrementId(attrId, list, opts);
+
+        if (samePage || !keepIdsCrossPages) {
           model.setId(nextId);
-          if (attrId !== nextId) {
-            idMap[attrId] = nextId;
-          }
-          list[nextId] = model;
         } else {
-          nextId = Component.getIncrementId(attrId, list, opts);
+          model.set({ id: nextId });
-
-          list[nextId] = model;
         }
       }
     } else {
       nextId = Component.getNewId(list);
-      list[nextId] = model;
     }
 
+    if (!!currentId && currentId !== nextId) {
+      idMap[currentId] = nextId;
+    }
+
+    list[nextId] = model;
     return nextId;
   }
 
@@ -2169,20 +2165,14 @@ export default class Component extends StyleableModel<ComponentProperties> {
   }
 
   static getList(model: Component) {
-    const { em } = model;
+    return model.em?.Components?.componentsById ?? {};
-    const dm = em?.Components;
-    return dm?.componentsById ?? {};
   }
 
   static checkId(
     components: ComponentDefinitionDefined | ComponentDefinitionDefined[],
     styles: CssRuleJSON[] = [],
     list: ObjectAny = {},
-    opts: {
+    opts: CheckIdOptions = {},
-      keepIds?: string[];
-      idMap?: PrevToNewIdMap;
-      updatedIds?: Record<string, ComponentDefinitionDefined[]>;
-    } = {},
   ) {
     opts.updatedIds = opts.updatedIds || {};
     const comps = isArray(components) ? components : [components];

packages/core/test/specs/data_sources/model/data_collection/ComponentDataCollection.ts

@@ -104,7 +104,6 @@ describe('Collection component', () => {
         expect(cmp.getInnerHTML()).toBe(innerHTML);
         expect(cmp.toHTML()).toBe(`<${tagName} id="${cmp.getId()}">${innerHTML}</${tagName}>`);
         expect(cmp.getEl()?.innerHTML).toBe(innerHTML);
-
         expect(JSON.parse(JSON.stringify(cmp.toJSON()))).toEqual({
           tagName: cmp.tagName,
           dataResolver: cmp.get('dataResolver'),

packages/core/test/specs/pages/pages-same-id-on-different-pages.ts

@@ -1,28 +1,73 @@
 import Editor from '../../../src/editor';
 import EditorModel from '../../../src/editor/model/Editor';
 import ComponentWrapper from '../../../src/dom_components/model/ComponentWrapper';
+import { setupTestEditor } from '../../common';
 
 describe('Pages with same component ids across pages', () => {
   let editor: Editor;
   let em: EditorModel;
   let pm: Editor['Pages'];
   let domc: Editor['Components'];
-  const getTitle = (wrapper: ComponentWrapper) => wrapper.components().at(0)!.components().at(0)!;
+  const rootDefaultProps = {
+    type: 'wrapper',
+    head: { type: 'head' },
+    docEl: { tagName: 'html' },
+    stylable: [
+      'background',
+      'background-color',
+      'background-image',
+      'background-repeat',
+      'background-attachment',
+      'background-position',
+      'background-size',
+    ],
+  };
 
-  beforeAll(() => {
+  const getTitle = (wrapper: ComponentWrapper) => wrapper.components().at(0);
-    editor = new Editor({
+
-      pageManager: {
+  const getRootComponent = ({ idBody = 'body', idTitle = 'main-title', contentTitle = 'A' } = {}) => ({
-        pages: [
-          {
-            id: 'p1',
-            frames: [
-              {
-                component: {
     type: 'wrapper',
-                  attributes: { id: 'body' },
+    attributes: { id: idBody },
     components: [
       {
-                      tagName: 'section',
+        tagName: 'h1',
+        type: 'text',
+        attributes: { id: idTitle },
+        components: [{ type: 'textnode', content: contentTitle }],
+      },
+    ],
+  });
+
+  beforeEach(() => {
+    ({ editor } = setupTestEditor());
+    em = editor.getModel();
+    pm = em.Pages;
+    domc = em.Components;
+  });
+
+  afterEach(() => {
+    editor.destroy();
+  });
+
+  test('Default behavior with pages having components with same ids are incremented', () => {
+    editor.Pages.add({
+      id: 'page1',
+      frames: [{ component: getRootComponent() }],
+    });
+    editor.Pages.add({
+      id: 'page2',
+      frames: [{ component: getRootComponent({ contentTitle: 'B' }) }],
+    });
+
+    const root1 = pm.get('page1')!.getMainComponent();
+    const root2 = pm.get('page2')!.getMainComponent();
+
+    expect(editor.getHtml({ component: root1 })).toBe('<body id="body"><h1 id="main-title">A</h1></body>');
+    expect(editor.getHtml({ component: root2 })).toBe('<body id="body-2"><h1 id="main-title-2">B</h1></body>');
+
+    expect(JSON.parse(JSON.stringify(root1))).toEqual({
+      ...rootDefaultProps,
+      attributes: { id: 'body' },
       components: [
         {
           tagName: 'h1',
@@ -31,81 +76,83 @@ describe('Pages with same component ids across pages', () => {
           components: [{ type: 'textnode', content: 'A' }],
         },
       ],
-                    },
+    });
-                  ],
+
-                },
+    expect(JSON.parse(JSON.stringify(root2))).toEqual({
-              },
+      ...rootDefaultProps,
-            ],
+      attributes: { id: 'body-2' },
-          },
-          {
-            id: 'p2',
-            frames: [
-              {
-                component: {
-                  type: 'wrapper',
-                  attributes: { id: 'body' },
-                  components: [
-                    {
-                      tagName: 'section',
       components: [
         {
           tagName: 'h1',
           type: 'text',
-                          attributes: { id: 'main-title' },
+          attributes: { id: 'main-title-2' },
           components: [{ type: 'textnode', content: 'B' }],
         },
       ],
-                    },
-                  ],
-                },
-              },
-            ],
-          },
-        ],
-      },
-    });
-
-    em = editor.getModel();
-    pm = em.Pages;
-    domc = em.Components;
-    pm.onLoad();
     });
-
-  afterAll(() => {
-    editor.destroy();
   });
 
   test('Handles pages with components having the same id across pages', () => {
-    const pages = pm.getAll();
+    editor.Components.config.keepAttributeIdsCrossPages = true;
-    expect(pages.length).toBe(2);
+    editor.Pages.add({
-
+      id: 'page1',
-    const p1 = pages[0];
+      frames: [{ component: getRootComponent() }],
-    const p2 = pages[1];
+    });
-
+    editor.Pages.add({
-    const w1 = p1.getMainComponent();
+      id: 'page2',
-    const w2 = p2.getMainComponent();
+      frames: [{ component: getRootComponent({ contentTitle: 'B' }) }],
+    });
+    const page1 = pm.get('page1')!;
+    const page2 = pm.get('page2')!;
+    const root1 = page1.getMainComponent();
+    const root2 = page2.getMainComponent();
 
-    expect(w1.getId()).toBe('body');
+    expect(root1.getId()).toBe('body');
-    expect(w2.getId()).toBe('body');
+    expect(root2.getId()).toBe('body');
 
-    const t1 = getTitle(w1);
+    const title1 = getTitle(root1);
-    const t2 = getTitle(w2);
+    const title2 = getTitle(root2);
 
     // IDs should be preserved per page but stored uniquely in the shared map
-    expect(t1.getId()).toBe('main-title');
+    expect(title1.getId()).toBe('main-title');
-    expect(t2.getId()).toBe('main-title');
+    expect(title2.getId()).toBe('main-title');
 
     const all = domc.allById();
 
-    expect(all['body']).toBe(w1);
+    expect(all['body']).toBe(root1);
-    expect(all['body-2']).toBe(w2);
+    expect(all['body-2']).toBe(root2);
-    expect(all['main-title']).toBe(t1);
+    expect(all['main-title']).toBe(title1);
-    expect(all['main-title-2']).toBe(t2);
+    expect(all['main-title-2']).toBe(title2);
+
+    expect(editor.getHtml({ component: root1 })).toBe('<body id="body"><h1 id="main-title">A</h1></body>');
+    expect(editor.getHtml({ component: root2 })).toBe('<body id="body"><h1 id="main-title">B</h1></body>');
 
-    const html1 = editor.getHtml({ component: w1 });
+    expect(JSON.parse(JSON.stringify(root1))).toEqual({
-    const html2 = editor.getHtml({ component: w2 });
+      ...rootDefaultProps,
+      attributes: { id: 'body' },
+      components: [
+        {
+          tagName: 'h1',
+          type: 'text',
+          attributes: { id: 'main-title' },
+          components: [{ type: 'textnode', content: 'A' }],
+        },
+      ],
+    });
 
-    expect(html1).toContain('A');
+    expect(JSON.parse(JSON.stringify(root2))).toEqual({
-    expect(html2).toContain('B');
+      ...rootDefaultProps,
+      id: 'body-2',
+      attributes: { id: 'body' },
+      components: [
+        {
+          id: 'main-title-2',
+          tagName: 'h1',
+          type: 'text',
+          attributes: { id: 'main-title' },
+          components: [{ type: 'textnode', content: 'B' }],
+        },
+      ],
+    });
   });
 });