Fix GA4 page_view firing on every map interaction - #1022
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GA4's enhanced measurement patches history.replaceState at the instance level and fires a page_view on every call, regardless of send_page_view:false. Calling History.prototype.replaceState directly bypasses this patch so the ?map= camera param updates silently without triggering analytics events. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Summary
send_page_view: falsein the gtag config only suppresses the initial page_view on load — it does not affect GA4's enhanced measurement featurehistory.replaceStateat the instance level and independently fires apage_viewevent on every call?map=camera param is updated viareplaceStateon every map move (onMoveEnd), causing a flood of page_view eventsHistory.prototype.replaceStatedirectly, which bypasses GA4's instance-level patchTest plan
page_viewevents fire in GA4 DebugView or the Network tab (no hits togoogle-analytics.com/g/collectwithen=page_view)?map=query param still updates correctly in the URL on map movepage_viewstill fires on initial page load🤖 Generated with Claude Code