usps-webtools-promise/dist/multiple-address-validate.js

API wrapper for the USPS Web-Tools, with Promises!

import properCase from "./utils/proper-case.js";
import callUSPS from "./utils/request.js";
export default async function (addresses) {
    if (addresses.length > 5) {
        throw new Error("Maximum of 5 addresses allowed per request.");
    }
    if (Array.isArray(addresses) === false) {
        throw new TypeError("Must pass an array of addresses. For single address use 'verify' method.");
    }
    const Addresses = addresses.map((address, index) => ({
        '@ID': index.toString(),
        Address1: address.Address2 ?? "",
        Address2: address.Address1 ?? "",
        City: address.City ?? "",
        State: address.State ?? "",
        Urbanization: address.Urbanization ?? "",
        Zip5: address.Zip5 ?? "",
        Zip4: address.Zip4 ?? "",
    }));
    const parameters = {
        Revision: 1,
        Address: Addresses,
    };
    let response;
    try {
        response = (await callUSPS("Verify", "AddressValidate", "Address", this.config, parameters));
        if (response) {
            return response.map((addr) => {
                const fAddr = { ...addr };
                const switchAddresses = fAddr.Address1;
                fAddr.Address1 = fAddr.Address2;
                fAddr.Address2 = switchAddresses;
                if (this.config.properCase) {
                    fAddr.Address1 = fAddr.Address1
                        ? properCase(fAddr.Address1)
                        : undefined;
                    fAddr.Address2 = fAddr.Address2
                        ? properCase(fAddr.Address2)
                        : undefined;
                    fAddr.City = fAddr.City ? properCase(fAddr.City) : undefined;
                    fAddr.FirmName = fAddr.FirmName
                        ? properCase(fAddr.FirmName)
                        : undefined;
                }
                fAddr.Zip4 =
                    typeof fAddr.Zip4 === "object"
                        ? undefined
                        : fAddr.Zip4?.toString();
                return fAddr;
            });
        }
        throw new Error("Can't find results");
    }
    catch (error) {
        throw new Error(error);
    }
}