benchmark.js

import Benchmark from 'benchmark';
import queryString from './index.js';

const {stringify, stringifyUrl} = queryString;
const suite = new Benchmark.Suite();

// Fixtures
const TEST_OBJECT = {
	genre: 'Epic fantasy',
	author: '',
	page: 2,
	published: true,
	symbols: 'πµ',
	chapters: [1, 2, 3],
	none: null,
};
const TEST_HOST = 'https://foo.bar/';
const TEST_STRING = stringify(TEST_OBJECT);
const TEST_BRACKETS_STRING = stringify(TEST_OBJECT, {arrayFormat: 'bracket'});
const TEST_INDEX_STRING = stringify(TEST_OBJECT, {arrayFormat: 'index'});
const TEST_COMMA_STRING = stringify(TEST_OBJECT, {arrayFormat: 'comma'});
const TEST_BRACKET_SEPARATOR_STRING = stringify(TEST_OBJECT, {arrayFormat: 'bracket-separator'});
const TEST_URL = stringifyUrl({url: TEST_HOST, query: TEST_OBJECT});

// Creates a test case and adds it to the suite
const defineTestCase = (methodName, input, options) => {
	const function_ = queryString[methodName];
	const label = options ? ` (${stringify(options)})` : '';

	suite.add(methodName + label, () => function_(input, options || {}));
};

// Define all test cases

// Parse
defineTestCase('parse', TEST_STRING);
defineTestCase('parse', TEST_STRING, {parseNumbers: true});
defineTestCase('parse', TEST_STRING, {parseBooleans: true});
defineTestCase('parse', TEST_STRING, {sort: false});
defineTestCase('parse', TEST_STRING, {decode: false});
defineTestCase('parse', TEST_BRACKETS_STRING, {arrayFormat: 'bracket'});
defineTestCase('parse', TEST_INDEX_STRING, {arrayFormat: 'index'});
defineTestCase('parse', TEST_COMMA_STRING, {arrayFormat: 'comma'});
defineTestCase('parse', TEST_BRACKET_SEPARATOR_STRING, {arrayFormat: 'bracket-separator'});

// Stringify
defineTestCase('stringify', TEST_OBJECT);
defineTestCase('stringify', TEST_OBJECT, {strict: false});
defineTestCase('stringify', TEST_OBJECT, {encode: false});
defineTestCase('stringify', TEST_OBJECT, {skipNull: true});
defineTestCase('stringify', TEST_OBJECT, {skipEmptyString: true});
defineTestCase('stringify', TEST_OBJECT, {arrayFormat: 'bracket'});
defineTestCase('stringify', TEST_OBJECT, {arrayFormat: 'index'});
defineTestCase('stringify', TEST_OBJECT, {arrayFormat: 'comma'});
defineTestCase('stringify', TEST_OBJECT, {arrayFormat: 'bracket-separator'});

// Extract
defineTestCase('extract', TEST_URL);

// ParseUrl
defineTestCase('parseUrl', TEST_URL);

// StringifyUrl
defineTestCase('stringifyUrl', {url: TEST_HOST, query: TEST_OBJECT});

// Log/display the results
suite.on('cycle', event => {
	const {name, hz} = event.target;
	const opsPerSec = Math.round(hz).toLocaleString();

	console.log(name.padEnd(46, '_') + opsPerSec.padStart(3, '_') + ' ops/s');
});

suite.run();