music-codes/dist/upc.js

Small library for music codes (ISRC, ISWC, UPC)

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseUPC = parseUPC;
exports.getUpcFromPrefix = getUpcFromPrefix;
const errors_js_1 = require("./errors.js");
const gtin_js_1 = require("./gtin.js");
const utils_js_1 = require("./utils.js");
/**
 * UPC is an alias for GTIN-12
 * @returns GTIN instance
 */
function parseUPC(upc, prefix) {
    if (!/^[\d]{12}$/.test(upc)) {
        throw new errors_js_1.ParseError(`Invalid UPC: ${upc}`);
    }
    return new gtin_js_1.GTIN(upc, prefix, true);
}
/**
 * UPC is an alias for GTIN-12
 * @returns GTIN instance
 */
function getUpcFromPrefix(prefix) {
    if (prefix.length < 1) {
        throw new errors_js_1.ParseError(`Prefix is too short: ${prefix}`);
    }
    if (prefix.length > 11) {
        throw new errors_js_1.ParseError(`Prefix is too long: ${prefix}`);
    }
    const code = prefix.padEnd(11, '0');
    const checkDigit = (0, utils_js_1.getLuhnCheckDigit)(code);
    return new gtin_js_1.GTIN(`${code}${checkDigit}`, prefix, false);
}
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