'use strict'; const common = require('../common.js'); const configs = { n: [1e6], mode: [ 'multi-concat', 'multi-join', 'multi-template', 'to-string-string', 'to-string-concat', 'to-string-template', ], }; const bench = common.createBenchmark(main, configs); function main({ n, mode }) { const str = 'abc'; const num = 123; let string; switch (mode) { case 'multi-concat': bench.start(); for (let i = 0; i < n; i++) string = '...' + str + ', ' + num + ', ' + str + ', ' + num + '.'; bench.end(n); break; case 'multi-join': bench.start(); for (let i = 0; i < n; i++) string = ['...', str, ', ', num, ', ', str, ', ', num, '.'].join(''); bench.end(n); break; case 'multi-template': bench.start(); for (let i = 0; i < n; i++) string = `...${str}, ${num}, ${str}, ${num}.`; bench.end(n); break; case 'to-string-string': bench.start(); for (let i = 0; i < n; i++) string = String(num); bench.end(n); break; case 'to-string-concat': bench.start(); for (let i = 0; i < n; i++) string = '' + num; bench.end(n); break; case 'to-string-template': bench.start(); for (let i = 0; i < n; i++) string = `${num}`; bench.end(n); break; default: throw new Error(`Unexpected method "${mode}"`); } return string; }