fix: match cross-block search without whitespace

packages/super-editor/src/extensions/search/SearchIndex.js

@@ -273,7 +273,13 @@ export class SearchIndex {
     // Split by whitespace (including non-breaking spaces), escape each part, rejoin with flexible whitespace pattern
     const parts = searchString.split(/[\s\u00a0]+/).filter((part) => part.length > 0);
     if (parts.length === 0) return '';
-    return parts.map((part) => SearchIndex.escapeRegex(part)).join('[\\s\\u00a0]+');
+    const blockSeparatorPattern = '(?:\\n)?';
+    const escapedParts = parts.map((part) => {
+      const chars = Array.from(part);
+      if (chars.length === 0) return '';
+      return chars.map((ch) => SearchIndex.escapeRegex(ch)).join(blockSeparatorPattern);
+    });
+    return escapedParts.join('[\\s\\u00a0]+');
   }
 
   /**

packages/super-editor/src/tests/extensions/search/search-cross-paragraph.test.js

@@ -122,6 +122,27 @@ describe('Cross-paragraph search', () => {
         }
       });
 
+      it('should find matches across paragraph boundaries without whitespace in query', () => {
+        const editor = createDocxTestEditor();
+
+        try {
+          const { doc, paragraph, run } = editor.schema.nodes;
+          const testDoc = doc.create(null, [
+            paragraph.create(null, [run.create(null, [editor.schema.text('February 7, 2023')])]),
+            paragraph.create(null, [run.create(null, [editor.schema.text('Via Electronic Mail')])]),
+          ]);
+
+          const index = new SearchIndex();
+          index.build(testDoc);
+
+          const matches = index.search('2023Via');
+
+          expect(matches.length).toBeGreaterThan(0);
+        } finally {
+          editor.destroy();
+        }
+      });
+
       it('should handle case-insensitive search', () => {
         const editor = createDocxTestEditor();
 
@@ -252,6 +273,32 @@ describe('Cross-paragraph search', () => {
           editor.destroy();
         }
       });
+
+      it('should map cross-paragraph match without whitespace to multiple ranges', () => {
+        const editor = createDocxTestEditor();
+
+        try {
+          const { doc, paragraph, run } = editor.schema.nodes;
+          const testDoc = doc.create(null, [
+            paragraph.create(null, [run.create(null, [editor.schema.text('February 7, 2023')])]),
+            paragraph.create(null, [run.create(null, [editor.schema.text('Via Electronic Mail')])]),
+          ]);
+
+          const index = new SearchIndex();
+          index.build(testDoc);
+
+          const matches = index.search('2023Via');
+          expect(matches.length).toBeGreaterThan(0);
+
+          const ranges = index.offsetRangeToDocRanges(matches[0].start, matches[0].end);
+          expect(ranges).toHaveLength(2);
+
+          const combinedText = ranges.map((range) => testDoc.textBetween(range.from, range.to)).join('');
+          expect(combinedText).toBe('2023Via');
+        } finally {
+          editor.destroy();
+        }
+      });
     });
   });