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https://github.com/swc-project/swc.git
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c2bbdbe9d6
swc_estree_compat: - Fix stack overflow related to object patterns. swc_webpack_}ast: - Implement AST reducer.
67 lines
1.6 KiB
JavaScript
67 lines
1.6 KiB
JavaScript
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const Benchmark = require('benchmark');
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const acorn = require("acorn");
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const jsx = require("acorn-jsx");
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const parser = acorn.Parser.extend(jsx());
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const fs = require('fs');
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const path = require('path');
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const src = fs.readFileSync(path.join(process.argv[2], "input.js"), 'utf8');
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const jsonStr = fs.readFileSync(path.join(process.argv[2], "output.json"), 'utf8');
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{
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parser.parse(src, {
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ecmaVersion: 2020,
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ranges: true,
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allowHashBang: true,
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sourceType: 'module'
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})
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}
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const suite = new Benchmark.Suite;
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suite
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.add('acorn', () => {
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parser.parse(src, {
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ecmaVersion: 2020,
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ranges: true,
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allowHashBang: true,
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sourceType: 'module'
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})
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})
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.add({
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name: 'acorn-real',
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fn: (deferred) => {
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fs.promises.readFile(path.join(process.argv[2], "input.js"), 'utf8')
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.then((src) => {
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parser.parse(src, {
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ecmaVersion: 2020,
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ranges: true,
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allowHashBang: true,
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sourceType: 'module'
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});
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deferred.resolve()
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})
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},
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defer: true,
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async: true,
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queued: true
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})
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.add('json', () => {
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JSON.parse(jsonStr)
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})
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.on('cycle', function (event) {
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console.log(String(event.target));
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})
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.on('complete', function () {
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console.log('Fastest is ' + this.filter('fastest').map('name'));
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})
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.run({
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async: true
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})
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