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import { TextSelection } from 'prosemirror-state';
import { LOADING_CONTENT_EVENT, LOADING_SUCCESS_EVENT, LOADING_ERROR_EVENT } from '../constants';
/* eslint-disable no-underscore-dangle */
export class ContentEditor {
constructor({ tiptapEditor, serializer, deserializer, assetResolver, eventHub }) {
this._tiptapEditor = tiptapEditor;
this._serializer = serializer;
this._deserializer = deserializer;
this._eventHub = eventHub;
this._assetResolver = assetResolver;
this._pristineDoc = null;
}
get tiptapEditor() {
return this._tiptapEditor;
}
get eventHub() {
return this._eventHub;
}
get changed() {
return this._pristineDoc?.eq(this.tiptapEditor.state.doc);
}
get empty() {
const doc = this.tiptapEditor?.state.doc;
// Makes sure the document has more than one empty paragraph
return doc.childCount === 0 || (doc.childCount === 1 && doc.child(0).childCount === 0);
}
dispose() {
this.tiptapEditor.destroy();
}
disposeAllEvents() {
this._eventHub.dispose();
}
deserialize(serializedContent) {
const { _tiptapEditor: editor, _deserializer: deserializer } = this;
return deserializer.deserialize({
schema: editor.schema,
content: serializedContent,
});
}
resolveUrl(canonicalSrc) {
return this._assetResolver.resolveUrl(canonicalSrc);
}
async setSerializedContent(serializedContent) {
const { _tiptapEditor: editor, _eventHub: eventHub } = this;
const { doc, tr } = editor.state;
const selection = TextSelection.create(doc, 0, doc.content.size);
try {
eventHub.$emit(LOADING_CONTENT_EVENT);
const { document } = await this.deserialize(serializedContent);
if (document) {
this._pristineDoc = document;
tr.setSelection(selection)
.replaceSelectionWith(document, false)
.setMeta('preventUpdate', true);
editor.view.dispatch(tr);
}
eventHub.$emit(LOADING_SUCCESS_EVENT);
} catch (e) {
eventHub.$emit(LOADING_ERROR_EVENT, e);
throw e;
}
}
getSerializedContent() {
const { _tiptapEditor: editor, _serializer: serializer, _pristineDoc: pristineDoc } = this;
const { doc } = editor.state;
return serializer.serialize({ doc, pristineDoc });
}
}
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