export async function clipboardWrite(data: ClipboardItems) {

if (data.length === 0) return

const item = data[0]

const blob = await item.getType(item.types.includes('text/plain') ? 'text/plain' : item.types[0])

return navigator.clipboard.writeText(typeof blob == 'string' ? blob : await blob.text())

}

export async function clipboardRead() {

const str = navigator.clipboard.readText()

return [new ClipboardItem({'text/plain': str})]

}

export function isSupported(): boolean {

return (

'clipboard' in navigator &&

typeof navigator.clipboard.read === 'function' &&

typeof navigator.clipboard.write === 'function'

)

}

export function isPolyfilled(): boolean {

return (

'clipboard' in navigator &&

(navigator.clipboard.write === clipboardWrite || navigator.clipboard.read === clipboardRead)

)

}

export function apply(): void {

if ('clipboard' in navigator && !isSupported()) {

navigator.clipboard.write = clipboardWrite

navigator.clipboard.read = clipboardRead

}

}