PairDrop/public/scripts/clipboard.js
2022-12-23 05:32:34 +01:00

38 lines
No EOL
1.1 KiB
JavaScript

// Polyfill for Navigator.clipboard.writeText
if (!navigator.clipboard) {
navigator.clipboard = {
writeText: text => {
// A <span> contains the text to copy
const span = document.createElement('span');
span.textContent = text;
span.style.whiteSpace = 'pre'; // Preserve consecutive spaces and newlines
// Paint the span outside the viewport
span.style.position = 'absolute';
span.style.left = '-9999px';
span.style.top = '-9999px';
const win = window;
const selection = win.getSelection();
win.document.body.appendChild(span);
const range = win.document.createRange();
selection.removeAllRanges();
range.selectNode(span);
selection.addRange(range);
let success = false;
try {
success = win.document.execCommand('copy');
} catch (err) {
return Promise.error();
}
selection.removeAllRanges();
span.remove();
return Promise.resolve();
}
}
}