@matrixage/picpic/src/libs/js/clipboard.js

A awesome image bed by github pages and github actions.

function makeError (){
	return new DOMException('The request is not allowed', 'NotAllowedError')
}

async function copyClipboardApi (text){
	// Use the Async Clipboard API when available. Requires a secure browsing
	// context (i.e. HTTPS)
	if (!navigator.clipboard) {
		throw makeError()
	}
	return navigator.clipboard.writeText(text)
}

async function copyExecCommand (text){
	// Put the text to copy into a <span>
	const span = document.createElement('span')
	span.textContent = text

	// Preserve consecutive spaces and newlines
	span.style.whiteSpace = 'pre'
	span.style.webkitUserSelect = 'auto'
	span.style.userSelect = 'all'

	// Add the <span> to the page
	document.body.appendChild(span)

	// Make a selection object representing the range of text selected by the user
	const selection = window.getSelection()
	const range = window.document.createRange()
	selection.removeAllRanges()
	range.selectNode(span)
	selection.addRange(range)

	// Copy text to the clipboard
	let success = false
	try {
		success = window.document.execCommand('copy')
	} finally {
		// Cleanup
		selection.removeAllRanges()
		window.document.body.removeChild(span)
	}

	if (!success) throw makeError()
}

async function clipboardCopy (text){
	try {
		await copyClipboardApi(text)
	} catch (err) {
		// ...Otherwise, use document.execCommand() fallback
		try {
			await copyExecCommand(text)
		} catch (err2) {
			throw err2 || err || makeError()
		}
	}
}

window.clipboardCopy = clipboardCopy