From 2f69caef63fa22de492419bac2851e79f7b13a96 Mon Sep 17 00:00:00 2001
From: Jakob Ackermann <jakob.ackermann@overleaf.com>
Date: Fri, 31 Jul 2026 13:21:57 +0200
Subject: [PATCH] [editor-core] allow empty ranges on rawAddCommentOperation
 (#36073)

GitOrigin-RevId: 8674a2b458770439925047aab9a129242eb984d4
---
 libraries/overleaf-editor-core/lib/schemas.js        |  2 +-
 .../test/unit/add_comment_operation.test.js          | 12 ++++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/libraries/overleaf-editor-core/lib/schemas.js b/libraries/overleaf-editor-core/lib/schemas.js
index 3605604d7b..6c97ca399f 100644
--- a/libraries/overleaf-editor-core/lib/schemas.js
+++ b/libraries/overleaf-editor-core/lib/schemas.js
@@ -47,7 +47,7 @@ const rawRange = z.strictObject({
 
 const rawAddCommentOperation = z.strictObject({
   commentId: zz.objectId(),
-  ranges: z.array(rawRange).min(1),
+  ranges: z.array(rawRange),
   resolved: z.boolean().optional(),
 })
 
diff --git a/libraries/overleaf-editor-core/test/unit/add_comment_operation.test.js b/libraries/overleaf-editor-core/test/unit/add_comment_operation.test.js
index fe9b9f193d..42facf9c77 100644
--- a/libraries/overleaf-editor-core/test/unit/add_comment_operation.test.js
+++ b/libraries/overleaf-editor-core/test/unit/add_comment_operation.test.js
@@ -17,6 +17,18 @@ describe('AddCommentOperation', function () {
     expect(op.resolved).to.be.true
   })
 
+  it('constructs a collapsed AddCommentOperation fromJSON', function () {
+    const op = AddCommentOperation.fromJSON({
+      commentId: '123',
+      resolved: true,
+      ranges: [],
+    })
+    expect(op).to.be.instanceOf(AddCommentOperation)
+    expect(op.commentId).to.equal('123')
+    expect(op.ranges).to.be.deep.equal([])
+    expect(op.resolved).to.be.true
+  })
+
   it('should convert to JSON', function () {
     const op = new AddCommentOperation('123', [new Range(0, 1)])
     expect(op.toJSON()).to.eql({