diff options
| -rw-r--r-- | index.js | 204 |
1 files changed, 106 insertions, 98 deletions
@@ -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; -} +}))); |