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import {showTemporaryTooltip} from '../modules/tippy.js';
const {copy_success, copy_error} = window.config.i18n;
export async function copyToClipboard(content) {
if (content instanceof Blob) {
const item = new window.ClipboardItem({[content.type]: content});
await navigator.clipboard.write([item]);
} else { // text
try {
await navigator.clipboard.writeText(content);
} catch {
return fallbackCopyToClipboard(content);
}
}
return true;
}
// 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++) {
const text = target.getAttribute('data-clipboard-text') || document.querySelector(target.getAttribute('data-clipboard-target'))?.value;
if (text) {
e.preventDefault();
(async() => {
const success = await copyToClipboard(text);
showTemporaryTooltip(target, success ? copy_success : copy_error);
})();
break;
}
target = target.parentElement;
}
});
}
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