All files / src/lib gtm.ts

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// GTM dataLayer helper.
//
// Safe push to the GTM dataLayer for bundled (module) call sites. No-op-safe
// when GTM is absent (local dev, Lighthouse audits) — the push just queues
// onto an array nothing consumes. GTM (when loaded) drains it; otherwise it's
// harmless. See `apps/marketplace/CLAUDE.md` §Analytics for the GTM/GA4 setup.
//
// `is:inline` scripts (e.g. the `ho:auth-success` block in Layout.astro) cannot
// import this and inline the equivalent push directly.
 
declare global {
	interface Window {
		dataLayer?: Array<Record<string, unknown>>;
	}
}
 
export function pushDataLayerEvent(
	event: string,
	params: Record<string, unknown> = {},
): void {
	Iif (typeof window === "undefined") return;
	window.dataLayer = window.dataLayer ?? [];
	window.dataLayer.push({ event, ...params });
}