inrcurrencyparser/InrCurrencyParser.js

A Parser for getting INR Currency Delimited

function InrCurrencyParser(currencyString) {
    if(isNaN(currencyString)) return 'Not a valid Number';
    currencyString = Number(currencyString);
    currencyString = currencyString.toString().split('').reverse().join('');
    let delimitedOutput = ``
    let processed = 0;
    let isUnitDelimeterAdded = false;
    for(let n of currencyString) {
        delimitedOutput = delimitedOutput + n;
        processed++;
        if(!isUnitDelimeterAdded && processed == 3) {
            delimitedOutput = delimitedOutput + ',';
            isUnitDelimeterAdded = true;
            processed = 0;
        } else if(isUnitDelimeterAdded && ((processed % 2) == 0)) {
            delimitedOutput = delimitedOutput + ',';
        }
    }
    delimitedOutput = delimitedOutput.split('').reverse().join('');
    if(delimitedOutput[0] == ',') delimitedOutput = delimitedOutput.slice(1);
    return `Rs. ${delimitedOutput}.00`
}

module.exports = InrCurrencyParser;