41 lines
1.0 KiB
TypeScript
41 lines
1.0 KiB
TypeScript
export async function copyTextToClipboard(text: string): Promise<boolean> {
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try {
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if (navigator.clipboard?.writeText) {
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await navigator.clipboard.writeText(text);
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return true;
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}
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} catch {
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// Fall through to the legacy path for browsers/WebViews where the
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// Clipboard API exists but rejects outside a secure context.
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}
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return copyTextWithTextarea(text);
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}
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function copyTextWithTextarea(text: string): boolean {
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if (typeof document.execCommand !== "function") {
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return false;
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}
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const textarea = document.createElement("textarea");
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textarea.value = text;
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textarea.setAttribute("readonly", "");
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textarea.style.position = "fixed";
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textarea.style.top = "-9999px";
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textarea.style.left = "-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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try {
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return document.execCommand("copy");
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} catch {
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return false;
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} finally {
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document.body.removeChild(textarea);
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}
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}
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