File: beforematch-scroll-to-text-fragment-with-anchor.html

package info (click to toggle)
thunderbird 1%3A140.5.0esr-1~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 4,609,180 kB
  • sloc: cpp: 7,672,739; javascript: 5,901,898; ansic: 3,898,899; python: 1,413,347; xml: 653,997; asm: 462,284; java: 180,927; sh: 113,491; makefile: 20,463; perl: 14,288; objc: 13,059; yacc: 4,583; pascal: 3,352; lex: 1,720; ruby: 1,222; exp: 762; sql: 715; awk: 580; php: 436; lisp: 430; sed: 70; csh: 10
file content (61 lines) | stat: -rw-r--r-- 2,171 bytes parent folder | download | duplicates (15)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
<!DOCTYPE html>
<script src="/scroll-to-text-fragment/stash.js"></script>

<!-- This test is navigated to with the fragment #bar:~:text=foo -->

<!-- This test uses parser-created elements,
  unlike beforematch-scroll-to-text-fragment-basic.html,
  which adds them from JS -->
<div style="height:10000px"></div>
<div id=foo hidden=until-found>foo</div>
<div id=bar hidden=until-found>bar</div>

<script>
(async () => {
  const results = {};
  const key = (new URLSearchParams(window.location.search)).get('key');

  // This should be true. hidden=until-found revealing should not happen until
  // after the script tag loads.
  results.fooHasHiddenAttribute = foo.hasAttribute('hidden');

  let beforematchResolver = null;
  const beforematchPromise = new Promise(resolve => {
    beforematchResolver = resolve;
  });

  // This should be true. Foo was searched for, so it should get the
  // beforematch event.
  results.beforematchFiredOnFoo = false;
  foo.addEventListener('beforematch', () => {
    results.beforematchFiredOnFoo = true;
    // This should be zero. Scrolling should happen after beforematch is fired.
    results.pageYOffsetDuringBeforematch = window.pageYOffset;
    beforematchResolver();
  });

  // This should be false. Bar should not get the beforematch event
  // despite being the target of an element fragment due to the text
  // fragment.
  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);
  });

  if (!results.fooHasHiddenAttribute) {
    // No need to wait for the beforematch event if it will never come.
    stashResultsThenClose(key, results);
  } else {
    await beforematchPromise;
    await new Promise(requestAnimationFrame);
    await new Promise(requestAnimationFrame);
    // This should be greater than zero. Scrolling should happen after the
    // beforematch event handler.
    results.pageYOffsetAfterRaf = window.pageYOffset;
    stashResultsThenClose(key, results);
  }
})();
</script>