Skip to content

fix(docs): keep copy button fixed in horizontally scrollable code blocks #16294

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

Merged
vkarpov15 merged 1 commit into from
May 24, 2026
+17 −7
Merged

fix(docs): keep copy button fixed in horizontally scrollable code blocks #16294

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
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
11 changes: 8 additions & 3 deletions docs/css/copy-code.css
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,3 +1,7 @@
.code-block-wrapper {
position: relative;
}

/* Base button placement & visibility */
.copy-btn {
position: absolute;
Expand All @@ -16,11 +20,12 @@
align-items: center;
justify-content: center;

color: #666; /* default icon color */
color: #666;
/* default icon color */
}

/* Show button only when the code block is hovered */
pre:hover .copy-btn {
.code-block-wrapper:hover .copy-btn {
opacity: 1;
transform: translateY(0);
}
Comment thread
vkarpov15 marked this conversation as resolved.
Expand All @@ -40,4 +45,4 @@ pre:hover .copy-btn {
width: 20px;
height: 20px;
transition: color 0.2s ease;
}
}
13 changes: 9 additions & 4 deletions docs/js/copy-code.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -18,16 +18,21 @@ document.addEventListener('DOMContentLoaded', () => {

// Inject a copy button into each <pre><code> block used in docs
document.querySelectorAll('pre code').forEach(block => {
const wrapper = block.parentElement;
wrapper.style.position = 'relative'; // ensures button can be positioned correctly
const pre = block.parentElement;

const wrapper = document.createElement('div');
wrapper.className = 'code-block-wrapper';

pre.parentNode.insertBefore(wrapper, pre);
wrapper.appendChild(pre);

const btn = document.createElement('button');
btn.className = 'copy-btn';
btn.setAttribute('aria-label', 'Copy code to clipboard'); // accessibility support
btn.innerHTML = copyIcon; // initial icon state

// Handle the copy-to-clipboard action
btn.onclick = async() => {
btn.onclick = async () => {
if (btn.dataset.locked) return; // prevents multiple fast clicks
btn.dataset.locked = '1';

Expand All @@ -48,4 +53,4 @@ document.addEventListener('DOMContentLoaded', () => {

wrapper.appendChild(btn); // attach button to code block
});
});
});