salix/print/templates/reports/collection-label/collection-label.js

const Component = require(`${appPath}/core/component`);
const reportHeader = new Component('report-header');
const reportFooter = new Component('report-footer');
const qrcode = require('qrcode');

module.exports = {
    name: 'collection-label',
    async serverPrefetch() {
        this.isCollection = await this.isCollection(this.param);
        this.tags = await this.fetchCollectionTicket(this.isCollection, this.param, this.param);
        this.barcode = await this.getBarcodeBase64(this.param);

        if (!this.tags)
            throw new Error('Something went wrong');
    },
    methods: {
        isCollection(param) {
            return this.findOneFromDef('isCollection', [param]);
        },
        fetchCollectionTicket(isCollection, param, param) {
            return this.rawSqlFromDef('collectionTicket', [isCollection, param, param]).then(rows => {
                const tags = {};
                rows.forEach(row => tags[row.code] = row.value);

                return tags;
            });
        },
        getBarcodeBase64(param) {
            return qrcode.toDataURL(param, {margin: 0});
        }
    },
    components: {
        'report-header': reportHeader.build(),
        'report-footer': reportFooter.build()
    },
    props: {
        param: {
            required: true
        }
    }
};