fix: support blank last name

Fixes: #9

Author: targos

src/parse/__tests__/td1.js

@@ -131,4 +131,17 @@ describe('parse TD1', () => {
       value: '0',
     });
   });
+
+  it('No last name', () => {
+    const MRZ = [
+      'I<CHED231458907ABC<<<<<<<<<<<<',
+      '7408122F1204159CHE<<<<<<<<<<<1',
+      '<<ANNA<MARIA<<<<<<<<<<<<<<<<<<',
+    ];
+
+    const result = parse(MRZ);
+    expect(result.valid).toBe(true);
+    expect(result.fields.lastName).toBe('');
+    expect(result.fields.firstName).toBe('ANNA MARIA');
+  });
 });

src/parse/__tests__/td3.js

@@ -88,4 +88,31 @@ describe('parse TD3', () => {
       compositeCheckDigit: '0',
     });
   });
+
+  it('No last name', () => {
+    const MRZ = [
+      'P<IND<<FIRST<NAME<<<<<<<<<<<<<<<<<<<<<<<<<<<',
+      'C01X0006H1D<<6408125F1710319<<<<<<<<<<<<<<<0',
+    ];
+
+    const result = parse.TD3(MRZ);
+    expect(result.valid).toBe(true);
+    expect(result.fields).toStrictEqual({
+      documentCode: 'P',
+      issuingState: 'IND',
+      lastName: '',
+      firstName: 'FIRST NAME',
+      documentNumber: 'C01X0006H',
+      documentNumberCheckDigit: '1',
+      nationality: 'D',
+      birthDate: '640812',
+      birthDateCheckDigit: '5',
+      sex: 'female',
+      expirationDate: '171031',
+      expirationDateCheckDigit: '9',
+      personalNumber: '',
+      personalNumberCheckDigit: '<',
+      compositeCheckDigit: '0',
+    });
+  });
 });

src/parsers/parseLastName.js

@@ -3,7 +3,7 @@
 let parseText = require('./parseText');
 
 module.exports = function parseLastName(source) {
-  const parsed = parseText(source.replace(/<{2}.*/, ''), /^[A-Z<]+<*$/);
+  const parsed = parseText(source.replace(/<{2}.*/, ''), /^[A-Z<]*<*$/);
   return {
     value: parsed,
     start: 0,