import { select, subscribe } from '@wordpress/data'; export const whenEditorIsReady = () => { return new Promise((resolve) => { const unsubscribe = subscribe(() => { // This will trigger after the initial render blocking, before the window load event // This seems currently more reliable than using __unstableIsEditorReady if ( select('core/editor').isCleanNewPost() || select('core/block-editor').getBlockCount() > 0 ) { unsubscribe(); resolve(); } }); }); };