From dafce16dbf6d95c7ae6f3612ca759b90871a4b79 Mon Sep 17 00:00:00 2001
From: Matias Pequeno <matias.pequeno@gmail.com>
Date: Thu, 2 Oct 2025 11:34:55 -0300
Subject: [PATCH 1/2] Allow for 0 maxSeconds

---
 src/browser/replay/recorder.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/browser/replay/recorder.js b/src/browser/replay/recorder.js
index 20862d83..6226776b 100644
--- a/src/browser/replay/recorder.js
+++ b/src/browser/replay/recorder.js
@@ -97,7 +97,7 @@ export default class Recorder {
    * @returns {number} Checkout interval in milliseconds
    */
   checkoutEveryNms() {
-    return ((this.options.maxSeconds || 10) * 1000) / 2;
+    return ((this.options.maxSeconds ?? 10) * 1000) / 2;
   }
 
   /**

From 1d60e0d62d7ab04b0e7be678431676a5c63223f5 Mon Sep 17 00:00:00 2001
From: Matias Pequeno <matias.pequeno@gmail.com>
Date: Thu, 2 Oct 2025 16:08:47 -0300
Subject: [PATCH 2/2] maybe

---
 src/browser/replay/recorder.js    |  7 ++++++-
 test/replay/unit/recorder.test.js | 16 ++++++++++++++--
 2 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/src/browser/replay/recorder.js b/src/browser/replay/recorder.js
index 6226776b..1d2c42ce 100644
--- a/src/browser/replay/recorder.js
+++ b/src/browser/replay/recorder.js
@@ -3,6 +3,7 @@ import { EventType } from '@rrweb/types';
 
 import hrtime from '../../tracing/hrtime.js';
 import logger from '../../logger.js';
+import defaults from './defaults.js';
 
 /** @typedef {import('./recorder.js').BufferCursor} BufferCursor */
 
@@ -97,7 +98,11 @@ export default class Recorder {
    * @returns {number} Checkout interval in milliseconds
    */
   checkoutEveryNms() {
-    return ((this.options.maxSeconds ?? 10) * 1000) / 2;
+    const maxSeconds =
+      this.options.maxSeconds > 0
+        ? this.options.maxSeconds
+        : defaults.maxSeconds;
+    return (maxSeconds * 1000) / 2;
   }
 
   /**
diff --git a/test/replay/unit/recorder.test.js b/test/replay/unit/recorder.test.js
index 3e16fc95..9c5fc5f4 100644
--- a/test/replay/unit/recorder.test.js
+++ b/test/replay/unit/recorder.test.js
@@ -159,10 +159,10 @@ describe('Recorder', function () {
       expect(recorder.checkoutEveryNms()).to.equal(5000);
     });
 
-    it('uses default of 10 seconds when maxSeconds not provided', function () {
+    it('uses default of 300 seconds when maxSeconds not provided', function () {
       const recorder = new Recorder({}, mockRecordFn);
 
-      expect(recorder.checkoutEveryNms()).to.equal(5000);
+      expect(recorder.checkoutEveryNms()).to.equal(150000);
     });
 
     it('calculates correctly for different maxSeconds values', function () {
@@ -170,6 +170,18 @@ describe('Recorder', function () {
 
       expect(recorder.checkoutEveryNms()).to.equal(10000);
     });
+
+    it('uses default when maxSeconds is 0', function () {
+      const recorder = new Recorder({ maxSeconds: 0 }, mockRecordFn);
+
+      expect(recorder.checkoutEveryNms()).to.equal(150000);
+    });
+
+    it('uses default when maxSeconds is negative', function () {
+      const recorder = new Recorder({ maxSeconds: -5 }, mockRecordFn);
+
+      expect(recorder.checkoutEveryNms()).to.equal(150000);
+    });
   });
 
   describe('_previousSlot', function () {