From 4bbf0cfafb466147dde8d045c454e5c343153d7b Mon Sep 17 00:00:00 2001
From: Robbie <robbie.coomber@gmail.com>
Date: Wed, 3 Apr 2024 12:00:54 +0100
Subject: [PATCH] feat: Add __posthog_debug query string (#1108)

* Add __posthog_debug query string

* Add more defensiveness
---
 src/posthog-core.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/posthog-core.ts b/src/posthog-core.ts
index 357fdca1a..d289efcd8 100644
--- a/src/posthog-core.ts
+++ b/src/posthog-core.ts
@@ -10,7 +10,7 @@ import {
     isCrossDomainCookie,
     isDistinctIdStringLike,
 } from './utils'
-import { window, assignableWindow } from './utils/globals'
+import { window, assignableWindow, location } from './utils/globals'
 import { autocapture } from './autocapture'
 import { PostHogFeatureFlags } from './posthog-featureflags'
 import { PostHogPersistence } from './posthog-persistence'
@@ -124,7 +124,7 @@ export const defaultConfig = (): PostHogConfig => ({
     save_referrer: true,
     capture_pageview: true,
     capture_pageleave: true, // We'll only capture pageleave events if capture_pageview is also true
-    debug: false,
+    debug: (location && _isString(location?.search) && location.search.indexOf('__posthog_debug=true') !== -1) || false,
     verbose: false,
     cookie_expiration: 365,
     upgrade: false,