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feat: add legacy fallback to clipboard copy

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Geo 2022-05-14 17:28:08 +01:00
commit c83227df43
1 changed files with 16 additions and 0 deletions
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16
wowchemy/assets/js/wowchemy.js
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@ -316,10 +316,26 @@ document.querySelectorAll('pre > code').forEach((codeblock) => {
}
copyBtn.addEventListener('click', () => {
console.debug('Code block copy click. Is secure context for Clipboard API? ' + window.isSecureContext);
if ('clipboard' in navigator) {
// Note: Clipboard API requires HTTPS or localhost
navigator.clipboard.writeText(codeblock.textContent);
copiedNotification();
return;
} else {
console.debug('Falling back to legacy clipboard copy');
const range = document.createRange();
range.selectNodeContents(codeblock);
const selection = window.getSelection();
selection.removeAllRanges();
selection.addRange(range);
try {
document.execCommand('copy');
copiedNotification();
} catch (e) {
console.error(e);
}
selection.removeRange(range);
}
});