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Validation and Formatter for Malaysian NRIC

Malaysian NRIC (Kad Pengenalan) validation and formatter library

Installation

yarn add my-nric or npm i my-nric

Usage

import { nric } from 'my-nric';

const { data, error, isValid } = nric('950721-12-1234');
const { data, error, isValid } = nric('950721121234');

Config Option

option.includeDash (defaults to false)

Returns a formatted IC Number with dash separator

const result = nric('950721-12-1234', { includeDash: true, });

{
  error: null,
  data: {
    formatted: '950721-12-1234',
    dateOfBirth: 1995-07-20T16:00:00.000Z,
    gender: 'Female',
    placeOfBirth: 'Sabah',
    currentAge: 27
  },
  isValid: true
},

const result = nric('950721-12-1234', { includeDash: false, });

{
  error: null,
  data: {
    formatted: '950721121234',
    dateOfBirth: 1995-07-20T16:00:00.000Z,
    gender: 'Female',
    placeOfBirth: 'Sabah',
    currentAge: 27
  },
  isValid: true
},

option.partialAge (defaults to false)

Returns a floating point number of the age

const result = nric('950721-12-1234',{
  includeDash: true,
  partialAge: true,
});

{
  error: null,
  data: {
    formatted: '950721-12-1234',
    dateOfBirth: 1995-07-20T16:00:00.000Z,
    gender: 'Female',
    placeOfBirth: 'Sabah',
    currentAge: 27.618831219308035
  },
  isValid: true
},

const result = nric('950721-12-1234',{
  includeDash: true,
  partialAge: false,
});

{
  error: null,
  data: {
    formatted: '950721-12-1234',
    dateOfBirth: 1995-07-20T16:00:00.000Z,
    gender: 'Female',
    placeOfBirth: 'Sabah',
    currentAge: 27
  },
  isValid: true
},

Error Example

Invalid Birth Date

const result = nric('959921-12-1234');

// Output:
{ error: 'Invalid Birth Date', data: {}, isValid: false },

Invalid Place Of Birth Code

const result = nric('950821-99-1234');

// Output:
{
  error: 'Invalid Place Of Birth Code',
  data: {},
  isValid: false
}

Data Object

When a given NRIC number passes the validation, it returns the object below in the data property

  • formatted (String): A formatted nric based on given option
  • dateOfBirth (Date): Date of birth
  • placeOfBirth (String): Place of Birth
  • currentAge (Number): Current age
  • gender (String): Gender 'Male' | 'Female'

NRIC Object

Returns an object that contains these properties:

  • isValid (boolean) Whether the NRIC is valid
  • error (string | null) The error object when NRIC is invalid
  • data (Data | {}) The extractable information based on the NRIC.
  isValid: boolean;
  error: string | null;
  data: Data | {};

Test Suite

 PASS  src/test/index.test.ts (170 MB heap size)
  General Format
    ✓ Accept 14 Characters (4 ms)
    ✓ Accept 12 Characters (1 ms)
    ✓ Throws Error When 14 Characters of Alphabets (1 ms)
    ✓ Throws Error When 14 Characters of Symbols (1 ms)
    ✓ Throws Error When 12 Characters of Alphabets (2 ms)
    ✓ Throws Error When 12 Characters of Symbols
  Validate Date Of Birth Format
    ✓ On Dash Format, Returns Error When Month Is Invalid (10 ms)
    ✓ On Non-Dash Format, Returns Error When Month Is Invalid (9 ms)
    ✓ On Dash Format, Returns Error When Day Is Invalid (64 ms)
    ✓ On Non-Dash Format, Returns Error When Day Is Invalid (13 ms)
  Validate Place Of Birth Format
    ✓ On Dash Format, Throw Errors When Place Of Birth Code Is Invalid (1 ms)
    ✓ On Non-Dash Format, Throw Errors When Place Of Birth Code Is Invalid
    ✓ On Dash Format, Returns Correct Place Of Birth (17 ms)
    ✓ On Non-Dash Format, Returns Correct Place Of Birth (15 ms)
  Returns Correct Gender
    ✓ On Dash Format, Returns Correct Gender (4 ms)
    ✓ On Non-Dash Format, Returns Correct Gender (4 ms)

Test Suites: 1 passed, 1 total
Tests:       16 passed, 16 total
Snapshots:   0 total
Time:        0.943 s, estimated 1 s
Ran all test suites.
✨  Done in 1.57s.