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<!DOCTYPE html>
<script src="/scroll-to-text-fragment/stash.js"></script>
<!-- This test is navigated to with the fragment #:~:text=foo -->
<div style="height: 4000px;">spacer</div>
<script>
(async () => {
const results = {};
const key = (new URLSearchParams(window.location.search)).get('key');
// This test adds the elements from JS
// (unlike beforematch-scroll-to-text-fragment-with-anchor.html,
// which uses parser-created elements)
const foo = document.createElement('div');
foo.hidden = 'until-found';
foo.textContent = 'foo';
document.body.appendChild(foo);
let beforematchResolver = null;
const beforematchPromise = new Promise(resolve => {
beforematchResolver = resolve;
});
// This should be true. Foo was searched for, so it should get a
// beforematch event.
results.beforematchFiredOnFoo = false;
// This should be true. the hidden attribute should not be removed until
// after beforematch is fired.
results.beforematchHiddenAttributePresent = false;
foo.addEventListener('beforematch', () => {
results.beforematchFiredOnFoo = true;
results.beforematchHiddenAttributePresent = foo.hasAttribute('hidden');
// This should be zero. Scrolling should happen after beforematch is
// fired.
results.pageYOffsetDuringBeforematch = window.pageYOffset;
beforematchResolver();
});
const bar = document.createElement('div');
bar.hidden = 'until-found';
bar.textContent = 'bar';
document.body.appendChild(bar);
// This should be false. Bar was not searched for, so it should not get
// a beforematch event.
results.beforematchFiredOnBar = false;
bar.addEventListener('beforematch', () => {
// this handler should never run. If it does,
// send back the message immediately to make the test fail.
results.beforematchFiredOnBar = true;
stashResultsThenClose(key, results);
});
await beforematchPromise;
await new Promise(requestAnimationFrame);
await new Promise(requestAnimationFrame);
// This should be greater than zero. The page should be scrolled down
// to foo.
results.pageYOffsetAfterRaf = window.pageYOffset;
stashResultsThenClose(key, results);
})();
</script>
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