module.exports.getDriver = function()

in lib/appium/helpers/wdHelper.js [35:115]
68 lines of code
8 McCabe index (conditional complexity)

module.exports.getDriver = function (platform) {
    let normalizedPlatform;
    let automationName;
    let driverConfig = {};
    let serverConfig = {};
    let driver;

    switch (platform.toLowerCase()) {
    case utilities.ANDROID:
        normalizedPlatform = 'Android';
        automationName = 'Appium';
        break;

    case utilities.IOS:
        normalizedPlatform = 'iOS';
        automationName = 'XCUITest';
        break;

    default:
        throw new Error(`Unknown Platform: ${platform}`);
    }

    global.WD.configureHttp({
        timeout: utilities.WD_TIMEOUT,
        retryDelay: utilities.WD_RETRY_DELAY,
        retries: utilities.WD_RETRIES
    });

    if (global.USE_SAUCE) {
        serverConfig = {
            host: global.SAUCE_SERVER_HOST,
            port: global.SAUCE_SERVER_PORT
        };

        driverConfig = global.SAUCE_CAPS;

        driver = global.WD.promiseChainRemote(serverConfig.host, serverConfig.port, global.SAUCE_USER, global.SAUCE_KEY);
    } else {
        serverConfig = {
            host: APPIUM_SERVER_HOST,
            port: APPIUM_SERVER_PORT
        };

        driverConfig = {
            browserName: '',
            platformName: normalizedPlatform,
            platformVersion: global.PLATFORM_VERSION || '',
            deviceName: global.DEVICE_NAME || '',
            app: global.PACKAGE_PATH,
            autoAcceptAlerts: true,
            automationName
        };

        if (platform.toLowerCase() === utilities.IOS) {
            driverConfig.wdaLaunchTimeout = 150000;
        }

        if (global.UDID) {
            driverConfig.udid = global.UDID;
        }

        driver = global.WD.promiseChainRemote(serverConfig);
    }

    module.exports.configureLogging(driver);
    const spamDots = setInterval(function () {
        process.stdout.write('.');
    }, 1000);

    return driver
        .init(driverConfig)
        .setImplicitWaitTimeout(IMPLICIT_WAIT_TIMEOUT)
        .then(function () {
            clearInterval(spamDots);
            process.stdout.write('\n');
        }, function (error) {
            clearInterval(spamDots);
            process.stdout.write('\n');
            throw (error);
        });
};