woocommerce/plugins/woocommerce-admin/client/lib/currency/index.js

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/** @format */
/**
* External dependencies
*/
import { get, isNaN } from 'lodash';
/**
* Formats money with a given currency code. Uses site's current locale for symbol formatting
*
* @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/NumberFormat
* @param {Number|String} number number to format
* @param {String} currency currency code e.g. 'USD'
* @returns {?String} A formatted string.
*/
export function formatCurrency( number, currency ) {
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const locale = wcSettings.siteLocale || 'en-US'; // Default so we don't break.
// default to wcSettings if currency is not passed in
if ( ! currency ) {
currency = get( wcSettings, 'currency.code', 'USD' );
}
if ( 'number' !== typeof number ) {
number = parseFloat( number );
}
if ( isNaN( number ) ) {
return '';
}
return new Intl.NumberFormat( locale, { style: 'currency', currency } ).format( number );
}
/**
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* Get the rounded decimal value of a number at the precision used for the current currency.
* This is a work-around for fraction-cents, meant to be used like `wc_format_decimal`
*
* @param {Number|String} number A floating point number (or integer), or string that converts to a number
* @return {Number} The original number rounded to a decimal point
*/
export function getCurrencyFormatDecimal( number ) {
const { precision = 2 } = wcSettings.currency;
if ( 'number' !== typeof number ) {
number = parseFloat( number );
}
if ( isNaN( number ) ) {
return 0;
}
return Math.round( number * Math.pow( 10, precision ) ) / Math.pow( 10, precision );
}
/**
* Get the string representation of a floating point number to the precision used by the current currency.
* This is different from `formatCurrency` by not returning the currency symbol.
*
* @param {Number|String} number A floating point number (or integer), or string that converts to a number
* @return {String} The original number rounded to a decimal point
*/
export function getCurrencyFormatString( number ) {
const { precision = 2 } = wcSettings.currency;
if ( 'number' !== typeof number ) {
number = parseFloat( number );
}
if ( isNaN( number ) ) {
return '';
}
return number.toFixed( precision );
}