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Update the copy-to-clipboard functionality in our code blocks #1825

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Update the copy-to-clipboard functionality in our code blocks #1825

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26 changes: 20 additions & 6 deletions source/javascripts/app/_copy.js
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Original file line number Diff line number Diff line change
@@ -1,10 +1,24 @@
function copyToClipboard(container) {
const el = document.createElement('textarea');
el.value = container.textContent.replace(/\n$/, '');
document.body.appendChild(el);
el.select();
document.execCommand('copy');
document.body.removeChild(el);
const text = container.textContent.replace(/\n$/, '');

// Use the Clipboard API
navigator.clipboard.writeText(text)
.then(() => {
// Add success feedback
const button = container.parentNode.querySelector('.copy-clipboard');
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@realityking realityking Oct 15, 2025

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You should be able to pass the button into copyToClipboard() from the event handler avoiding an extra lookup.

const originalHTML = button.innerHTML;
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@realityking realityking Oct 15, 2025

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Instead of reading from the DOM this could be a variable also used in setupCodeCopy().


// Show success state
button.innerHTML = '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><title>Copied!</title><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41L9 16.17z"></path></svg>';

// Reset after 1 second
setTimeout(() => {
button.innerHTML = originalHTML;
}, 1000);
})
.catch(err => {
console.error('Failed to copy: ', err);
});
}

function setupCodeCopy() {
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@realityking realityking Oct 15, 2025

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I'd suggest adding some feature detection code and checking for a secure context. If one of those conditions is not met, we shouldn't show the (then non-functional) copy button.

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