Remove New product button

Jira Code : BLL-228

 NetSuite beforeLoad server-side 2.0 SuiteScript to create a hidden HTML field that allows you to inject browser-based client-side JavaScript (not a NetSuite conventional client script)  that will then find the buttons and use CSS to change the visibility to hidden via JQuery.

/**
 * @NApiVersion 2.1
 * @NScriptType UserEventScript
 */
define(['N/record', 'N/ui/serverWidget'],
    /**
 * @param{record} record
 * @param{serverWidget} serverWidget
 */
    (record, serverWidget) => {
        /**
         * Defines the function definition that is executed before record is loaded.
         * @param {Object} scriptContext
         * @param {Record} scriptContext.newRecord - New record
         * @param {string} scriptContext.type - Trigger type; use values from the context.UserEventType enum
         * @param {Form} scriptContext.form - Current form
         * @param {ServletRequest} scriptContext.request - HTTP request information sent from the browser for a client action only.
         * @since 2015.2
         */


        const beforeLoad = (scriptContext) => {
               let hideFld = scriptContext.form.addField({
                   id: 'custpage_hide_buttons',
                   label: 'not shown - hidden',
                   type: serverWidget.FieldType.INLINEHTML
               });
               let scr = "";

               scr += 'jQuery("#attach").hide();';
               scr += 'jQuery("#newrecrecmachcustrecord_jj_parent_link").hide();';
               scr += 'jQuery("#newrec783").hide();';
                hideFld.defaultValue = "<script>jQuery(function($){require([], function(){" + scr + ";})})</script>"

        }

      

        return {beforeLoad}

    });