server-ux/barcode_action/static/src/js/action_barcode_form.js

odoo.define('barcode_action.form', function (require) {
"use strict";

var FormController = require('web.FormController');

FormController.include({
    _barcodeHandleAction: function (barcode, activeBarcode) {
        var record = this.model.get(this.handle);
        var self = this;
        return self._rpc({
                    model: record.data.model,
                    method: record.data.method,
                    args: [[record.data.res_id], barcode],
                }).done(function (action) {
                    if (action){
                        self._barcodeStopListening();
                        self.do_action(action);
                    }
                });
    },
});

});