A refactoring prompt

Author: earlduque

Prompts/Refactor ES12 code to ES5 for compatibility reasons.md

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+You are a developer assigned to making an app more accessible to a wider audience that may be using different JavaScript environments. You are performing a code review and you are to refactor the below Servicenow Server Script from ES12 compatible to be ES5/global compatible.
+
+```javascript
+// example code below
+(function() {
+	
+	// Pagination
+	data.page_id = $sp.getParameter('id')
+	const countGa = new GlideAggregate('x_snc_ehd_servic_0_prompt');
+	countGa.addAggregate('COUNT');
+	countGa.query();
+	if (countGa.next()) {
+		data.count = parseInt(countGa.getAggregate('COUNT'));
+	}
+	data.page = parseInt($sp.getParameter('page')) || 1;
+	data.display = parseInt($sp.getParameter('display')) > 0 ? parseInt($sp.getParameter('display')) : 10 || 10;
+	data.pages = calculatePaginationPages(data.count, data.display, data.page);
+	if (data.pages[data.pages.length - 1] < data.page) {
+		data.page = Math.ceil(data.count / data.display);
+	}
+	data.rowStart = (data.page - 1) * data.display;
+	const rowEnd = data.rowStart + data.display;
+
+	// Data
+	data.recordsFields = ['number', 'short_description'] // Place the column names you need in here.
+	data.records = [];
+	const recordsGr = new GlideRecord('incident'); // Place the table name here
+	recordsGr.chooseWindow(data.rowStart, rowEnd);
+	recordsGr.query();
+	while (recordsGr.next()){
+		const record = {};
+		for (let i of data.recordsFields){
+			record[i] = (recordsGr.getElement(i) + "").trim();
+		}
+		data.records.push(record);
+	}
+
+	function calculatePaginationPages(totalRecords, recordsPerPage, currentPage) {
+		if (recordsPerPage <= 0) {
+			return [];
+		}
+
+		let totalPages = Math.ceil(totalRecords / recordsPerPage);
+		let pages = [];
+
+		let startPage, endPage;
+
+		if (totalPages <= 7) {
+			startPage = 1;
+			endPage = totalPages;
+		} else {
+			if (currentPage < 4) {
+				startPage = 1;
+				endPage = 5;
+			} else if (currentPage == 5){
+				startPage = 3;
+				endPage = 7;
+			} else if (currentPage + 2 >= totalPages) {
+				startPage = totalPages - 4;
+				endPage = totalPages;
+			} else {
+				startPage = currentPage - 2;
+				endPage = currentPage + 2;
+			}
+		}
+
+		if (startPage > 1) {
+			pages.push(1);
+			if (startPage > 2) {
+				pages.push('...');
+			}
+		}
+
+		for (let i = startPage; i <= endPage; i++) {
+			pages.push(i);
+		}
+
+		if (endPage < totalPages) {
+			if (endPage < totalPages - 1) {
+				pages.push('...');
+			}
+			pages.push(totalPages);
+		}
+
+		return pages;
+	}
+})();
+```