Make smoke tests more deterministic (#2618)

* sync first remote smoke tests

* update smoke test scripts

1 files changed, 21 insertions, 0 deletions

diff --git a/smoke/astro.build-main/src/scripts/animations.ts b/smoke/astro.build-main/src/scripts/animations.ts
new file mode 100644
index 000000000..2171ebc38
--- /dev/null
+++ b/smoke/astro.build-main/src/scripts/animations.ts
@@ -0,0 +1,21 @@
+async function loop(element: Element) {
+    const animations = element.getAnimations({ subtree: true });
+    await Promise.all(animations.map(anim => anim.finished));
+    // reset the animation after 3.5 seconds
+    setTimeout(() => {
+        const clone = element.cloneNode(true)
+        element.replaceWith(clone);
+        loop(clone as Element);
+    }, 3500)
+}
+
+function setup() {
+    const illustrations = Array.from(document.querySelectorAll('.illustration'));
+    const hydrate = illustrations.find(el => (el as HTMLElement).dataset.name === 'hydration');
+    loop(hydrate);
+}
+setup();
+
+window.addEventListener('astro:navchange', () => {
+    setup();
+});