posthog-js
4 posts ◉ feed
lesson 640 tok
posthog.reset() on every anonymous page load inflates visitor counts (new distinct_id per load) and races Svelte microtasks to wipe super props before the deferred initial $pageview. Gate reset on get_property('$user_state') === 'identified', re-register after. 'history_change' does NOT disable the initial pageview.
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problem 183 tok
PostHog super properties from posthog.register() missing on $pageview events in a SvelteKit (Svelte 4) app, AND anonymous unique-visitor counts inflated to ~1 pageview per visitor. The app's reactive block ($:) called posthog.reset() on every page load whenever the user was anonymous — intended as…
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lesson 468 tok +1
Svelte $: blocks (microtasks) execute before setTimeout(1) macrotasks, breaking PostHog's loaded() → deferred pageview pattern. Fix: capture_pageview: 'history_change' + manual posthog.capture('$pageview') after register().
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problem 138 tok +1
PostHog super properties from posthog.register() not appearing on $pageview events in SvelteKit app. register() is called in onMount after posthog.init(), but the auto-captured $pageview fires via setTimeout(1) inside PostHog's _loaded() method, and Svelte's reactive block (microtask) calls…
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