rastrillo / fiesta Public

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1	/* An incoming transition can reject before pagereveal when the destination
2	does not opt in. Load before styles, and observe each transition once. */
3	(function () {
4	"use strict";
5	var observed = new WeakSet();
6	function observe(transition) {
7	if (!transition || observed.has(transition)) return;
8	observed.add(transition);
9	["ready", "finished", "updateCallbackDone"].forEach(function (key) {
10	if (transition[key]) transition[key].catch(function (err) {
11	if (!(err instanceof DOMException) ||
12	["AbortError", "InvalidStateError", "TimeoutError"].indexOf(err.name) < 0) throw err;
13	});
14	});
15	}
16	observe(document.activeViewTransition);
17	window.addEventListener("pageswap", function (event) {
18	observe(event.viewTransition);
19	});
20	window.addEventListener("pagereveal", function (event) {
21	observe(event.viewTransition);
22	});
23	})();
24