if (window) { if (!Html5QrcodeScanner) { var Html5QrcodeScanner = window.__Html5QrcodeLibrary__.Html5QrcodeScanner; } if (!Html5Qrcode) { var Html5Qrcode = window.__Html5QrcodeLibrary__.Html5Qrcode; } if (!Html5QrcodeSupportedFormats) { var Html5QrcodeSupportedFormats = window.__Html5QrcodeLibrary__.Html5QrcodeSupportedFormats } if (!Html5QrcodeScannerState) { var Html5QrcodeScannerState = window.__Html5QrcodeLibrary__.Html5QrcodeScannerState; } if (!Html5QrcodeScanType) { var Html5QrcodeScanType = window.__Html5QrcodeLibrary__.Html5QrcodeScanType; }}