clipboard.ts

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`38c7e27c` 2022-03-22 Pavel Safronov	1	export async function copyToClipboard(textToCopy): Promise<void> {
	2	// navigator clipboard api needs a secure context (https)
	3	if (navigator.clipboard && window.isSecureContext) {
	4	// navigator clipboard api method'
	5	return navigator.clipboard.writeText(textToCopy);
	6	} else {
	7	// text area method
	8	let textArea = document.createElement("textarea");
	9	textArea.value = textToCopy;
	10	// make the textarea out of viewport
	11	textArea.style.position = "fixed";
	12	textArea.style.left = "-999999px";
	13	textArea.style.top = "-999999px";
	14	document.body.appendChild(textArea);
	15	textArea.focus();
	16	textArea.select();
	17	return new Promise((res, rej) => {
	18	// here the magic happens
	19	document.execCommand('copy') ? res() : rej();
	20	textArea.remove();
	21	});
	22	}
	23	}