Function in

packages/svelte/src/internal/client/dom/elements/transitions.js:234–267

()

	var transition = {
		is_global,
		in() {
			element.inert = inert;

			if (!is_intro) {
				outro?.abort();
				outro?.reset?.();
				return;
			}

			if (!is_outro) {
				// if we intro then outro then intro again, we want to abort the first intro,
				// if it's not a bidirectional transition
				intro?.abort();
			}

			intro = animate(
				element,
				get_options(),
				outro,
				1,
				() => {
					dispatch_event(element, 'introstart');
				},
				() => {
					dispatch_event(element, 'introend');

					// Ensure we cancel the animation to prevent leaking
					intro?.abort();
					intro = current_options = undefined;

					element.style.overflow = overflow;
				}
			);
		},
		out(fn) {
			if (!is_outro) {
				fn?.();