index.ts
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index.ts
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	export * from "./controllers.js";

	(function enableScrollPreservation() {
	/* https://github.com/hotwired/turbo/issues/37#issuecomment-1422200868 */
	let scrollTop = 0;

	let shouldPreserveScroll = false;

	document.addEventListener("turbo:click", function (event) {
	if ((event.target as HTMLDivElement).hasAttribute("data-turbo-preserve-scroll")) {
	shouldPreserveScroll = true;
	} else {
	shouldPreserveScroll = false;
	}
	});

	document.addEventListener("turbo:visit", function () {
	if (shouldPreserveScroll) {
	scrollTop = document.documentElement.scrollTop;
	} else {
	scrollTop = 0;
	}
	});

	addEventListener("turbo:visit", () => {
	/* eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-explicit-any */
	(window as any).Turbo.navigator.currentVisit.scrolled = true;
	document.documentElement.scrollTop = scrollTop;
	});
	})();