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benchmark/esm/esm-loader-import.js
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Livia Medeiros
test,benchmark: use `tmpdir.fileURL()`
21 авг 2023, 19:42
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21 авг 2023, 19:42
eeddbfa
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// Tests the impact on eager operations required for policies affecting // general startup, does not test lazy operations 'use strict'; const fs = require('node:fs'); const common = require('../common.js'); const tmpdir = require('../../test/common/tmpdir.js'); const benchmarkDirectory = tmpdir.fileURL('benchmark-import'); const configs = { n: [1e3], specifier: [ 'data:text/javascript,{i}', './relative-existing.js', './relative-nonexistent.js', 'node:prefixed-nonexistent', 'node:os', ], }; const options = { flags: ['--expose-internals'], }; const bench = common.createBenchmark(main, configs, options); async function main(conf) { tmpdir.refresh(); fs.mkdirSync(benchmarkDirectory, { recursive: true }); fs.writeFileSync(new URL('./relative-existing.js', benchmarkDirectory), '\n'); bench.start(); for (let i = 0; i < conf.n; i++) { try { await import(new URL(conf.specifier.replace('{i}', i), benchmarkDirectory)); } catch { /* empty */ } } bench.end(conf.n); }