Skip to content

fix jittery scrolling #40215

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
saltybuckets wants to merge 6 commits into from
Closed

fix jittery scrolling #40215

Changes from 1 commit
Commits
Show all changes
6 commits
Select commit Hold shift + click to select a range
5322a0d
subsystem:doc
saltybuckets Sep 25, 2021
1d56881
formatting
saltybuckets Sep 27, 2021
c3bc1ae
move scrolling patch to another file
saltybuckets Sep 27, 2021
13863e6
linting
saltybuckets Sep 28, 2021
a6e35c8
Apply suggestions from code review
saltybuckets Sep 28, 2021
1678e16
lint
saltybuckets Sep 28, 2021
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
79 changes: 72 additions & 7 deletions doc/template.html
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
<!DOCTYPE html>
<html lang="en">

<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
Expand All @@ -10,6 +11,7 @@
<link rel="stylesheet" href="assets/hljs.css">
<link rel="canonical" href="https://nodejs.org/api/__FILENAME__.html">
</head>

<body class="alt apidoc" id="api-section-__FILENAME__">
<div id="content" class="clearfix">
<div id="column2" class="interior">
Expand All @@ -25,15 +27,18 @@
<header>
<div class="header-container">
<h1>Node.js __VERSION__ documentation</h1>
<button class="theme-toggle-btn" id="theme-toggle-btn" title="Toggle dark mode/light mode" aria-label="Toggle dark mode/light mode" hidden>
<button class="theme-toggle-btn" id="theme-toggle-btn" title="Toggle dark mode/light mode"
aria-label="Toggle dark mode/light mode" hidden>
<svg xmlns="http://www.w3.org/2000/svg" class="icon dark-icon" height="24" width="24">
<path fill="none" d="M0 0h24v24H0z" />
<path d="M11.1 12.08c-2.33-4.51-.5-8.48.53-10.07C6.27 2.2 1.98 6.59 1.98 12c0 .14.02.28.02.42.62-.27 1.29-.42 2-.42 1.66 0 3.18.83 4.1 2.15A4.01 4.01 0 0111 18c0 1.52-.87 2.83-2.12 3.51.98.32 2.03.5 3.11.5 3.5 0 6.58-1.8 8.37-4.52-2.36.23-6.98-.97-9.26-5.41z"/>
<path d="M7 16h-.18C6.4 14.84 5.3 14 4 14c-1.66 0-3 1.34-3 3s1.34 3 3 3h3c1.1 0 2-.9 2-2s-.9-2-2-2z"/>
<path
d="M11.1 12.08c-2.33-4.51-.5-8.48.53-10.07C6.27 2.2 1.98 6.59 1.98 12c0 .14.02.28.02.42.62-.27 1.29-.42 2-.42 1.66 0 3.18.83 4.1 2.15A4.01 4.01 0 0111 18c0 1.52-.87 2.83-2.12 3.51.98.32 2.03.5 3.11.5 3.5 0 6.58-1.8 8.37-4.52-2.36.23-6.98-.97-9.26-5.41z" />
<path d="M7 16h-.18C6.4 14.84 5.3 14 4 14c-1.66 0-3 1.34-3 3s1.34 3 3 3h3c1.1 0 2-.9 2-2s-.9-2-2-2z" />
</svg>
<svg xmlns="http://www.w3.org/2000/svg" class="icon light-icon" height="24" width="24">
<path d="M0 0h24v24H0z" fill="none" />
<path d="M6.76 4.84l-1.8-1.79-1.41 1.41 1.79 1.79 1.42-1.41zM4 10.5H1v2h3v-2zm9-9.95h-2V3.5h2V.55zm7.45 3.91l-1.41-1.41-1.79 1.79 1.41 1.41 1.79-1.79zm-3.21 13.7l1.79 1.8 1.41-1.41-1.8-1.79-1.4 1.4zM20 10.5v2h3v-2h-3zm-8-5c-3.31 0-6 2.69-6 6s2.69 6 6 6 6-2.69 6-6-2.69-6-6-6zm-1 16.95h2V19.5h-2v2.95zm-7.45-3.91l1.41 1.41 1.79-1.8-1.41-1.41-1.79 1.8z"/>
<path
d="M6.76 4.84l-1.8-1.79-1.41 1.41 1.79 1.79 1.42-1.41zM4 10.5H1v2h3v-2zm9-9.95h-2V3.5h2V.55zm7.45 3.91l-1.41-1.41-1.79 1.79 1.41 1.41 1.79-1.79zm-3.21 13.7l1.79 1.8 1.41-1.41-1.8-1.79-1.4 1.4zM20 10.5v2h3v-2h-3zm-8-5c-3.31 0-6 2.69-6 6s2.69 6 6 6 6-2.69 6-6-2.69-6-6-6zm-1 16.95h2V19.5h-2v2.95zm-7.45-3.91l1.41 1.41 1.79-1.8-1.41-1.41-1.79 1.8z" />
</svg>
</button>
</div>
Expand Down Expand Up @@ -77,7 +82,7 @@ <h1>Node.js __VERSION__ documentation</h1>
}
mq.addEventListener('change', mqChangeListener);
if (themeToggleButton) {
themeToggleButton.addEventListener('click', function() {
themeToggleButton.addEventListener('click', function () {
mq.removeEventListener('change', mqChangeListener);
}, { once: true });
}
Expand All @@ -90,14 +95,74 @@ <h1>Node.js __VERSION__ documentation</h1>
}
if (themeToggleButton) {
themeToggleButton.hidden = false;
themeToggleButton.addEventListener('click', function() {
themeToggleButton.addEventListener('click', function () {
sessionStorage.setItem(
kCustomPreference,
document.body.classList.toggle('dark-mode')
);
});
}
}

let eqIsh = (a, b, fuzz = 2) => {
return (Math.abs(a - b) <= fuzz);
};

let rectNotEQ = (a, b) => {
return (!eqIsh(a.width, b.width) ||
!eqIsh(a.height, b.height));
};

let spaced = new WeakMap();

let reserveSpace = (el, rect = el.getClientBoundingRect()) => {
let old = spaced.get(el);
if (!old || rectNotEQ(old, rect)) {
spaced.set(el, rect);
el.attributeStyleMap.set(
"contain-intrinsic-size",
`${rect.width}px ${rect.height}px`
);
}
};

let iObs = new IntersectionObserver(
(entries, o) => {
entries.forEach((entry) => {

reserveSpace(entry.target,
entry.boundingClientRect);
});
},
{ rootMargin: "500px 0px 500px 0px" }
);

let rObs = new ResizeObserver(
(entries, o) => {
entries.forEach((entry) => {
reserveSpace(entry.target, entry.contentRect);
});
}
);

let articles =
document.querySelectorAll("#apicontent>section");

articles.forEach((el) => {
iObs.observe(el);
rObs.observe(el);
});

requestAnimationFrame(() => {
requestAnimationFrame(() => {
articles[0].attributeStyleMap.set(
"content-visibility",
"auto"
);
});
});

</script>
</body>
</html>

</html>