transform.js

'use strict';

const fs = require('fs');
const { transform, destroy } = require('..');
const { XMLParser } = require('fast-xml-parser');
const xml2js = require('xml2js');
const xmljs = require('xml-js');
const txml = require('txml');

const fastXmlParser = new XMLParser();
const xml2jsParser = new xml2js.Parser();

const xml = fs.readFileSync(__dirname + '/./fixtures/60kb.xml', 'utf-8');
const template = {
	cache_key: '/HotelListResponse/cacheKey',
	hotels: [
		'//HotelSummary',
		{
			hotel_id: 'hotelId',
			name: 'name',
			rooms: [
				'RoomRateDetailsList/RoomRateDetails',
				{
					rates: [
						'RateInfos/RateInfo',
						{
							currency: 'ChargeableRateInfo/@currencyCode',
							non_refundable: 'boolean(nonRefundable = "true")',
							price: 'number(ChargeableRateInfo/@total)',
						},
					],
					room_name: 'roomDescription',
					room_type_id: 'roomTypeCode',
				},
			],
		},
	],
	session_id: '/HotelListResponse/customerSessionId',
};

(async () => {
	const { run, bench, summary } = await import('mitata');

	summary(() => {
		bench('camaro v6', function* () {
			yield async () => await transform(xml, template);
		});

		bench('txml', () => {
			txml.parse(xml);
		});

		bench('fast-xml-parser', () => {
			fastXmlParser.parse(xml);
		});

		bench('xml2js', function* () {
			yield async () => await xml2jsParser.parseStringPromise(xml);
		});

		bench('xml-js', () => {
			xmljs.xml2js(xml);
		});
	});

	await run();
	await destroy();
})().catch((err) => {
	console.error(err);
	process.exitCode = 1;
});