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fix: update TD1 and TD3 checks (#643)

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Seshanth.S🐺
2025-06-19 13:52:00 +05:30
committed by GitHub
parent e4541a831a
commit d89d202f28
1 changed files with 7 additions and 3 deletions
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10
app/src/utils/utils.ts
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@@ -2,9 +2,13 @@
export function extractMRZInfo(mrzString: string) {
const mrzLines = mrzString.split('\n');
// Check format based on line length
const isTD1 = mrzLines[0].length === 30 || mrzLines[0].startsWith('ID');
const isTD3 = mrzLines[0].length === 44;
//line 1 and line 2 - concated
const TD1_REGEX =
/^(?<documentType>[A-Z0-9<]{2})(?<issuingCountry>[A-Z<]{3})(?<documentNumber>[A-Z0-9<]{9})(?<checkDigitDocumentNumber>[0-9]{1})(?<optionalData1>[A-Z0-9<]{15})(?<dateOfBirth>[0-9]{6})(?<checkDigitDateOfBirth>[0-9]{1})(?<sex>[MF<]{1})(?<dateOfExpiry>[0-9]{6})(?<checkDigitDateOfExpiry>[0-9]{1})(?<nationality>[A-Z<]{3})(?<optionalData2>[A-Z0-9<]{7})/;
const TD3_line_2_REGEX = /^([A-Z0-9<]{9})([0-9ILDSOG])([A-Z<]{3})/;
const isTD1 = TD1_REGEX.test(mrzLines[0]) || mrzLines[0].startsWith('I');
const isTD3 = TD3_line_2_REGEX.test(mrzLines[1]);
if (!isTD1 && !isTD3) {
throw new Error(