From 6de6bb5b5a69413d0fbf3d97454b445d75b276b6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bruno=20Zori=C4=87?= <bruno.zoric@gmail.com>
Date: Wed, 3 Jun 2026 20:41:44 +0200
Subject: [PATCH] fix: prevent bundlers from resolving optional posthog-js at
 build time

Use an opaque variable specifier plus webpackIgnore/vite-ignore magic
comments so no bundler tries to resolve posthog-js during the build.
Apps that don't install posthog-js will no longer fail to compile.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 src/web.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/web.ts b/src/web.ts
index 80444ac..6f8d0a0 100644
--- a/src/web.ts
+++ b/src/web.ts
@@ -212,7 +212,8 @@ export class WTS extends TelemetryClient {
     }
     sessionRecordingStarted = true;
 
-    import("posthog-js")
+    const mod = "posthog-js";
+    import(/* webpackIgnore: true */ /* @vite-ignore */ mod)
       .then(({ default: posthog }) => {
         posthog.init(posthogKey, {
           api_host: cfg.apiHost,