@nackamoto/medusa-paypal-payment/.medusa/server/src/providers/paypal-payment/formatters.js

Paypal payment provider for Medusa

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.PAYPAL_CURRENCY_CODES = void 0;
exports.convertAmount = convertAmount;
const utils_1 = require("@medusajs/utils");
/**
 * The supported paypal currency codes and their options prefering paypal
 * docuementation over ISO-4217.
 *
 * https://developer.paypal.com/api/rest/reference/currency-codes/#link-currencycodes
 *
 * https://en.wikipedia.org/wiki/ISO_4217#Active_codes
 */
exports.PAYPAL_CURRENCY_CODES = {
    AUD: {},
    BRL: {},
    CAD: {},
    CNY: {},
    CZK: {},
    DKK: {},
    EUR: {},
    HKD: {},
    HUF: { decimal: false },
    ILS: {},
    JPY: { decimal: false },
    MYR: {},
    MXN: {},
    TWD: { decimal: false },
    NZD: {},
    NOK: {},
    PHP: {},
    PLN: {},
    GBP: {},
    RUB: {},
    SGD: {},
    SEK: {},
    CHF: {},
    THB: {},
    USD: {},
};
/**
 * Converts an amount to the format required by Paypal based on currency.
 * https://developer.paypal.com/docs/api/orders/v2/
 *
 * @param {BigNumberInput} amount - The amount to be converted.
 * @param {string} currency - The 3-character ISO-4217 currency code
 *
 * @returns {{ currency_code: string, value: string }} An object containing the
 * amount as a string value and the supported currency code.
 *
 * @throws {Error} If the currency is not supported by Paypal or if the amount
 * stringification is over the 32 character limit of the Paypal API.
 *
 * @example
 * const amount = 10;
 * const currency = "usd";
 * const { value, currency_code } = convertAmount(amount, currency);
 * console.log(amountString); // "10.00"
 * console.log(currencyCode); // "USD"
 *
 */
function convertAmount(amount, currency) {
    const currency_ = currency.toUpperCase();
    if (!(currency_ in exports.PAYPAL_CURRENCY_CODES)) {
        throw new Error(`Currency ${currency} is not supported by Paypal`);
    }
    const currency_code = currency_;
    const currencyOptions = exports.PAYPAL_CURRENCY_CODES[currency_code];
    const precision = currencyOptions?.decimal === false ? 0 : currencyOptions?.places ?? 2;
    const value = new utils_1.BigNumber(amount, { precision }).numeric.toFixed(precision);
    if (value.length > 32) {
        throw new Error(`Amount string exceeds 32 character limit: ${value}`);
    }
    return { value, currencyCode: currency_code };
}
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