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const {copy_success, copy_error} = window.config.i18n;
function onSuccess(btn) {
btn.setAttribute('data-variation', 'inverted tiny');
$(btn).popup('destroy');
const oldContent = btn.getAttribute('data-content');
btn.setAttribute('data-content', copy_success);
$(btn).popup('show');
btn.setAttribute('data-content', oldContent || '');
}
function onError(btn) {
btn.setAttribute('data-variation', 'inverted tiny');
const oldContent = btn.getAttribute('data-content');
$(btn).popup('destroy');
btn.setAttribute('data-content', copy_error);
$(btn).popup('show');
btn.setAttribute('data-content', oldContent || '');
}
// Fallback to use if navigator.clipboard doesn't exist. Achieved via creating
// a temporary textarea element, selecting the text, and using document.execCommand
function fallbackCopyToClipboard(text) {
if (!document.execCommand) return false;
const tempTextArea = document.createElement('textarea');
tempTextArea.value = text;
// avoid scrolling
tempTextArea.style.top = 0;
tempTextArea.style.left = 0;
tempTextArea.style.position = 'fixed';
document.body.appendChild(tempTextArea);
tempTextArea.select();
// if unsecure (not https), there is no navigator.clipboard, but we can still
// use document.execCommand to copy to clipboard
const success = document.execCommand('copy');
document.body.removeChild(tempTextArea);
return success;
}
// For all DOM elements with [data-clipboard-target] or [data-clipboard-text],
// this copy-to-clipboard will work for them
export default function initGlobalCopyToClipboardListener() {
document.addEventListener('click', (e) => {
let target = e.target;
// in case <button data-clipboard-text><svg></button>, so we just search
// up to 3 levels for performance
for (let i = 0; i < 3 && target; i++) {
let text;
if (target.dataset.clipboardText) {
text = target.dataset.clipboardText;
} else if (target.dataset.clipboardTarget) {
text = document.querySelector(target.dataset.clipboardTarget)?.value;
}
if (text) {
e.preventDefault();
(async() => {
try {
await navigator.clipboard.writeText(text);
onSuccess(target);
} catch {
if (fallbackCopyToClipboard(text)) {
onSuccess(target);
} else {
onError(target);
}
}
})();
break;
}
target = target.parentElement;
}
});
}
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