import html2canvas from "html2canvas";
const getJpeg = dom =>{
	return new Promise(resolve =>{
		html2canvas(dom,{useCORS: true,}).then(canvas =>{
			const jpeg = canvas.toDataURL('image/jpeg',1.0);
			resolve(base64ToFile(jpeg))
			console.log(jpeg,'=========');
		})
	})
}
const base64ToFile = urlData =>{
	const arr = urlData.split(',');
	const mime = arr[0].match(/:(.*?);/)[1]
	const bytes = atob(arr[1])
	let n = bytes.length;
	const ia = new Uint8Array(n)
	while (n--){
		ia[n] = bytes.charCodeAt(n);
	}
	console.log(new File([ia],'jpeg',{type:mime}));
	return new File([ia],'jpeg',{type:mime})

}
export default getJpeg