import Benchmark from "benchmark"; import baseline from "@babel-baseline/parser"; import current from "@babel/parser"; import { report } from "../../util.mjs"; const suite = new Benchmark.Suite(); function createInput(length) { return "// c\n".repeat(length) + "{}"; } current.parse(createInput(256), {}); function benchCases(name, implementation, options) { for (const length of [128, 256, 512, 1024]) { const input = createInput(length); const { parse } = implementation; suite.add(`${name} ${length} leading comments`, () => { parse(input, options); }); } } benchCases("baseline", baseline); benchCases("current", current); suite.on("cycle", report).run();