Node.js v11.13.0

1 files changed, 64 insertions, 0 deletions

diff --git a/deps/node/benchmark/module/module-loader.js b/deps/node/benchmark/module/module-loader.js
new file mode 100644
index 00000000..e780d637
--- /dev/null
+++ b/deps/node/benchmark/module/module-loader.js
@@ -0,0 +1,64 @@
+'use strict';
+const fs = require('fs');
+const path = require('path');
+const common = require('../common.js');
+
+const tmpdir = require('../../test/common/tmpdir');
+const benchmarkDirectory = path.join(tmpdir.path, 'nodejs-benchmark-module');
+
+const bench = common.createBenchmark(main, {
+  n: [5e4],
+  fullPath: ['true', 'false'],
+  useCache: ['true', 'false']
+});
+
+function main({ n, fullPath, useCache }) {
+  tmpdir.refresh();
+  try { fs.mkdirSync(benchmarkDirectory); } catch {}
+  for (var i = 0; i <= n; i++) {
+    fs.mkdirSync(`${benchmarkDirectory}${i}`);
+    fs.writeFileSync(
+      `${benchmarkDirectory}${i}/package.json`,
+      '{"main": "index.js"}'
+    );
+    fs.writeFileSync(
+      `${benchmarkDirectory}${i}/index.js`,
+      'module.exports = "";'
+    );
+  }
+
+  if (fullPath === 'true')
+    measureFull(n, useCache === 'true');
+  else
+    measureDir(n, useCache === 'true');
+
+  tmpdir.refresh();
+}
+
+function measureFull(n, useCache) {
+  var i;
+  if (useCache) {
+    for (i = 0; i <= n; i++) {
+      require(`${benchmarkDirectory}${i}/index.js`);
+    }
+  }
+  bench.start();
+  for (i = 0; i <= n; i++) {
+    require(`${benchmarkDirectory}${i}/index.js`);
+  }
+  bench.end(n);
+}
+
+function measureDir(n, useCache) {
+  var i;
+  if (useCache) {
+    for (i = 0; i <= n; i++) {
+      require(`${benchmarkDirectory}${i}`);
+    }
+  }
+  bench.start();
+  for (i = 0; i <= n; i++) {
+    require(`${benchmarkDirectory}${i}`);
+  }
+  bench.end(n);
+}