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