asCardMask method
Implementation
String? asCardMask() {
if (brand == null) {
return null;
}
if (CardBrand.amex == brand) {
return '0000 000000 00000';
} else if (CardBrand.mastercard == brand) {
return '0000 0000 0000 0000';
} else if (CardBrand.diners == brand) {
return '0000 0000 0000 00';
} else if (CardBrand.discover == brand) {
return '0000 0000 0000 0000';
} else if (CardBrand.jcb == brand) {
return '0000 0000 0000 0000';
} else if (CardBrand.visa == brand) {
return '0000 0000 0000 0000';
} else if (CardBrand.unionpay == brand) {
return '0000 0000 0000 0000';
} else {
return '0000 0000 0000 0000';
}
}