From 2b415c192a11517c73c496a47f69f37b50667484 Mon Sep 17 00:00:00 2001
From: Justin Worthe <justin.worthe@gmail.com>
Date: Sun, 12 Feb 2017 05:45:16 +0200
Subject: Added boilerplate to allow use in Node or in browser

---
 index.js | 204 +++++++++++++++++++++++++++++++++------------------------------
 1 file changed, 106 insertions(+), 98 deletions(-)

(limited to 'index.js')

diff --git a/index.js b/index.js
index 462177e..1405a5a 100644
--- a/index.js
+++ b/index.js
@@ -1,121 +1,129 @@
-module.exports = {
-    parse: parse,
-    validate: validate,
-    parseDateOfBirth: parseDateOfBirth,
-    parseIsMale: parseIsMale,
-    parseIsFemale: parseIsFemale,
-    parseIsSouthAfricanCitizen: parseIsSouthAfricanCitizen
-};
-
-function parse(idNumber) {
-    var isValid = validate(idNumber);
-    if (!isValid) {
-        return {
-            isValid: false
-        };
-    }
+(function (global, factory) {
+    typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
+        typeof define === 'function' && define.amd ? define(factory) :
+        global.saIdParser = factory();
+}(this, (function () {
+    'use strict';
 
     return {
-        isValid: isValid,
-        dateOfBirth: parseDateOfBirth(idNumber),
-        isMale: parseIsMale(idNumber),
-        isFemale: parseIsFemale(idNumber),
-        isSouthAfricanCitizen: parseIsSouthAfricanCitizen(idNumber)
+        parse: parse,
+        validate: validate,
+        parseDateOfBirth: parseDateOfBirth,
+        parseIsMale: parseIsMale,
+        parseIsFemale: parseIsFemale,
+        parseIsSouthAfricanCitizen: parseIsSouthAfricanCitizen
     };
-}
 
-function validate(idNumber) {
-    if (!regexpValidate(idNumber) || !datePartValidate(idNumber) || !controlDigitValidate(idNumber)) {
-        return false;
-    }
+    function parse(idNumber) {
+        var isValid = validate(idNumber);
+        if (!isValid) {
+            return {
+                isValid: false
+            };
+        }
 
-    return true;
-}
-
-function regexpValidate(idNumber) {
-    if (typeof(idNumber) !== 'string') {
-        return false;
+        return {
+            isValid: isValid,
+            dateOfBirth: parseDateOfBirth(idNumber),
+            isMale: parseIsMale(idNumber),
+            isFemale: parseIsFemale(idNumber),
+            isSouthAfricanCitizen: parseIsSouthAfricanCitizen(idNumber)
+        };
     }
-    var regexp = /^[0-9]{13}$/;
-    return regexp.test(idNumber);
-}
 
-function datePartValidate(idNumber) {
-    var dateOfBirth = parseDateOfBirth(idNumber);
-    return !!dateOfBirth;
-}
+    function validate(idNumber) {
+        if (!regexpValidate(idNumber) || !datePartValidate(idNumber) || !controlDigitValidate(idNumber)) {
+            return false;
+        }
 
-function controlDigitValidate(idNumber) {
-    var checkDigit = parseInt(idNumber[12], 10);
-
-    var oddDigitsSum = 0;
-
-    for (var i = 0; i < idNumber.length - 1; i+=2) {
-        oddDigitsSum += parseInt(idNumber[i], 10);
-    }
-    var evenDigits = '';
-    for (var j = 1; j < idNumber.length - 1; j+=2) {
-        evenDigits += idNumber[j];
+        return true;
     }
-    evenDigits = parseInt(evenDigits, 10);
-    evenDigits *= 2;
-    evenDigits = '' + evenDigits;
 
-    var sumOfEvenDigits = 0;
-    for (var k = 0; k < evenDigits.length; k++) {
-        sumOfEvenDigits += parseInt(evenDigits[k], 10);
+    function regexpValidate(idNumber) {
+        if (typeof(idNumber) !== 'string') {
+            return false;
+        }
+        var regexp = /^[0-9]{13}$/;
+        return regexp.test(idNumber);
     }
-    var total = sumOfEvenDigits + oddDigitsSum;
-    var computedCheckDigit = 10 - (total % 10);
 
-    if (computedCheckDigit === 10) {
-        computedCheckDigit = 0;
+    function datePartValidate(idNumber) {
+        var dateOfBirth = parseDateOfBirth(idNumber);
+        return !!dateOfBirth;
     }
-    return computedCheckDigit === checkDigit;
-}
 
-function parseDateOfBirth(idNumber) {
-    if (!regexpValidate(idNumber)) {
-        return undefined;
+    function controlDigitValidate(idNumber) {
+        var checkDigit = parseInt(idNumber[12], 10);
+
+        var oddDigitsSum = 0;
+
+        for (var i = 0; i < idNumber.length - 1; i+=2) {
+            oddDigitsSum += parseInt(idNumber[i], 10);
+        }
+        var evenDigits = '';
+        for (var j = 1; j < idNumber.length - 1; j+=2) {
+            evenDigits += idNumber[j];
+        }
+        evenDigits = parseInt(evenDigits, 10);
+        evenDigits *= 2;
+        evenDigits = '' + evenDigits;
+
+        var sumOfEvenDigits = 0;
+        for (var k = 0; k < evenDigits.length; k++) {
+            sumOfEvenDigits += parseInt(evenDigits[k], 10);
+        }
+        var total = sumOfEvenDigits + oddDigitsSum;
+        var computedCheckDigit = 10 - (total % 10);
+
+        if (computedCheckDigit === 10) {
+            computedCheckDigit = 0;
+        }
+        return computedCheckDigit === checkDigit;
     }
 
-    //get year, and assume century
-    var currentYear = new Date().getFullYear();
-    var currentCentury = Math.floor(currentYear/100)*100;
-    var yearPart = currentCentury + parseInt(idNumber.substring(0,2), 10);
-    if (yearPart > currentYear) {
-        yearPart -= 100; //must be last century
+    function parseDateOfBirth(idNumber) {
+        if (!regexpValidate(idNumber)) {
+            return undefined;
+        }
+
+        //get year, and assume century
+        var currentYear = new Date().getFullYear();
+        var currentCentury = Math.floor(currentYear/100)*100;
+        var yearPart = currentCentury + parseInt(idNumber.substring(0,2), 10);
+        if (yearPart > currentYear) {
+            yearPart -= 100; //must be last century
+        }
+        
+        //In Javascript, Jan=0. In ID Numbers, Jan=1.
+        var monthPart = parseInt(idNumber.substring(2,4), 10)-1;
+
+        var dayPart = parseInt(idNumber.substring(4,6), 10);
+
+        var dateOfBirth = new Date(yearPart, monthPart, dayPart);
+
+        //validate that date is in a valid range by making sure that it wasn't 'corrected' during construction
+        if (!dateOfBirth || dateOfBirth.getFullYear() !== yearPart || dateOfBirth.getMonth() !== monthPart || dateOfBirth.getDate() !== dayPart) {
+            return undefined;
+        }
+        
+        return dateOfBirth;
     }
-    
-    //In Javascript, Jan=0. In ID Numbers, Jan=1.
-    var monthPart = parseInt(idNumber.substring(2,4), 10)-1;
 
-    var dayPart = parseInt(idNumber.substring(4,6), 10);
-
-    var dateOfBirth = new Date(yearPart, monthPart, dayPart);
-
-    //validate that date is in a valid range by making sure that it wasn't 'corrected' during construction
-    if (!dateOfBirth || dateOfBirth.getFullYear() !== yearPart || dateOfBirth.getMonth() !== monthPart || dateOfBirth.getDate() !== dayPart) {
-        return undefined;
+    function parseIsMale(idNumber) {
+        return !parseIsFemale(idNumber);
     }
-    
-    return dateOfBirth;
-}
-
-function parseIsMale(idNumber) {
-    return !parseIsFemale(idNumber);
-}
 
-function parseIsFemale(idNumber) {
-    if (!regexpValidate(idNumber)) {
-        return undefined;
+    function parseIsFemale(idNumber) {
+        if (!regexpValidate(idNumber)) {
+            return undefined;
+        }
+        return parseInt(idNumber[6], 10) <= 4;
     }
-    return parseInt(idNumber[6], 10) <= 4;
-}
 
-function parseIsSouthAfricanCitizen(idNumber) {
-    if (!regexpValidate(idNumber)) {
-        return undefined;
+    function parseIsSouthAfricanCitizen(idNumber) {
+        if (!regexpValidate(idNumber)) {
+            return undefined;
+        }
+        return parseInt(idNumber[10], 10) === 0;
     }
-    return parseInt(idNumber[10], 10) === 0;
-}
+})));
-- 
cgit v1.2.3