salix/print/templates/email/client-welcome/client-welcome.js

const Component = require(`${appPath}/core/component`);
const emailHeader = new Component('email-header');
const emailFooter = new Component('email-footer');

module.exports = {
    name: 'client-welcome',
    async serverPrefetch() {
        this.client = await this.fetchClient(this.recipientId);
    },
    methods: {
        fetchClient(clientId) {
            return this.findOneFromDef('client', [clientId]);
        },
    },
    components: {
        'email-header': emailHeader.build(),
        'email-footer': emailFooter.build()
    },
    props: {
        recipientId: {
            required: true
        }
    }
};