36 lines
935 B
TypeScript
36 lines
935 B
TypeScript
/**
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* Copy text to clipboard with execCommand fallback for HTTP.
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* Returns true on success, false on failure.
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*/
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export async function copyToClipboard(text: string): Promise<boolean> {
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if (navigator.clipboard?.writeText) {
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try {
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await navigator.clipboard.writeText(text);
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return true;
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} catch {
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/* fall through to execCommand */
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}
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}
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// Fallback: hidden textarea + execCommand for HTTP contexts
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try {
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const textarea = document.createElement('textarea');
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textarea.value = text;
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textarea.style.position = 'fixed';
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textarea.style.left = '-9999px';
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textarea.style.top = '-9999px';
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textarea.style.opacity = '0';
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document.body.appendChild(textarea);
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textarea.focus();
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textarea.select();
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textarea.setSelectionRange(0, textarea.value.length);
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const ok = document.execCommand('copy');
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document.body.removeChild(textarea);
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if (ok) return true;
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} catch {
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/* fall through */
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}
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return false;
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}
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