Async/await in normal way

async-await

class Domain {

    constructor(config, dal) {
        this.dal = dal;
        this.config = config;

        this.domainName = null;
        this.sslRedirect = false;
        this.paymentRequired = false;
    }

    async load() {
        try {
            const domain = that.dal.getDomain();
            this.domainName = domain.domain;
            this.sslRedirect = domain.sslRedirect;
            this.paymentRequired = domain.paymentRequired;
        } catch(err) {
            Failboat.tag(err, 'LoadDomain');
            if (err.tags.join(' ') !== '404 DomainNotCreated LoadDomain') {
                throw err;
            }

            if (this.config.SUBSCRIPTION_API_ENABLED) {
                try {
                    return await this.dal.createService()
                } catch(err) {
                    Failboat.tag(err, 'CreateService');
                    throw err;
                }
            }

            try {
                return await this.dal.createDomain();
            } catch(err) {
                Failboat.tag(err, 'CreateDomain');
                throw err;
            }
        };
    }
}