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Fix - TD3 check #643

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merged 1 commit into from
Jun 19, 2025
Merged

Fix - TD3 check #643

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10 changes: 7 additions & 3 deletions app/src/utils/utils.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -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(
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