Paint ticket in canvas and you can export it as Base64 string
import ticket2canvas from "ticket2canvas";
ticket2canvas({
/* option according below */
});{
el: "#cvs", // target canvas id. append to body if empty
showCanvas: true, // whether show the default canvas, default is false
json: {
width: 100, // canvas's width, default is 300
height: 200, // canvas's height, default is 600
printData: [
// contents to print
{
type: "text", // content type, allow 'text'|'barcode'|'qrcode'|'line'
content: "hello world",
fontSize: 16, // font-size, it's a Number-type, default is 16
fontFamily: "Microsoft YaHei", // fontFamily, default is 'Microsoft YaHei'
bold: true, // whether the font is bold
width: 200, // only use for 'barcode'|'qrcode'|'line', default is 100
height: 200, // only use for 'barcode'|'qrcode'|'line', default is 100
left: 20, // content's left margin to canvas, default is 0
top: 20, // content's top margin to canvas, default is 0
},
],
}
};This is a live demo: ticket2canvas-demo