@unicef-polymer/etools-unicef/src/utils/currency.js

eTools UNICEF library of reusable components

// TODO: Maybe move to etools-utils??
/**
 * Format value as currency amount. Delimited used ', '
 */
export const addCurrencyAmountDelimiter = (value) => {
    if (!value) {
        return '';
    }
    value = value.toString();
    if (value === '') {
        return '';
    }
    return value.replace(/(\d)(?=(\d{3})+(?!\d))/g, '$1,');
};
/**
 * Format value as currency amount and return it to be displayed
 * Use this to display readonly currency amounts on interface
 */
export const displayCurrencyAmount = (value, placeholder, noOfDecimals) => {
    if (!placeholder) {
        placeholder = '—';
    }
    if (typeof noOfDecimals !== 'number') {
        noOfDecimals = 2;
    }
    if (!value) {
        return placeholder;
    }
    const floatValue = parseFloat(value).toFixed(noOfDecimals);
    if (isNaN(+floatValue)) {
        return placeholder;
    }
    return addCurrencyAmountDelimiter(floatValue);
};