Generates both the checksum and checkdigit.

This commit is contained in:
n1073645 2020-03-09 09:13:02 +00:00
parent 940b56ba5f
commit 0e40daecb6

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@ -23,18 +23,19 @@ class LuhnChecksum extends Operation {
this.description = "The Luhn algorithm, also known as the modulus 10 or mod 10 algorithm, is a simple checksum formula used to validate a variety of identification numbers, such as credit card numbers, IMEI numbers, Canadian Social Insurance Numbers.";
this.infoURL = "https://wikipedia.org/wiki/Luhn_algorithm";
this.inputType = "string";
this.outputType = "number";
this.outputType = "string";
this.args = [];
}
/**
* @param {string} input
* @param {Object[]} args
* Generates the Luhn Checksum from the input.
*
* @param {string} inputStr
* @returns {number}
*/
run(input, args) {
checksum(inputStr) {
let even = false;
return input.split("").reverse().reduce((acc, elem) => {
return inputStr.split("").reverse().reduce((acc, elem) => {
// Convert element to integer.
let temp = parseInt(elem, 10);
@ -57,6 +58,18 @@ class LuhnChecksum extends Operation {
}, 0) % 10;
}
/**
* @param {string} input
* @param {Object[]} args
* @returns {string}
*/
run(input, args) {
const checkSum = this.checksum(input).toString();
let checkDigit = this.checksum(input+"0");
checkDigit = (checkDigit === 0 ? 0 : (10-checkDigit)).toString();
return "Checksum: " + checkSum + "\n\nCheckdigit: " + checkDigit + "\n\nLuhn Validated String: "+ input + checkDigit;
}
}
export default LuhnChecksum;