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bin/pac/tools/.playwright/package/lib/utils/profiler.js

@@ -0,0 +1,53 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.startProfiling = startProfiling;
+exports.stopProfiling = stopProfiling;
+var fs = _interopRequireWildcard(require("fs"));
+var path = _interopRequireWildcard(require("path"));
+function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
+function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
+/**
+ * Copyright Microsoft Corporation. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+const profileDir = process.env.PWTEST_PROFILE_DIR || '';
+let session;
+async function startProfiling() {
+  if (!profileDir) return;
+  session = new (require('inspector').Session)();
+  session.connect();
+  await new Promise(f => {
+    session.post('Profiler.enable', () => {
+      session.post('Profiler.start', f);
+    });
+  });
+}
+async function stopProfiling(profileName) {
+  if (!profileDir) return;
+  await new Promise(f => session.post('Profiler.stop', (err, {
+    profile
+  }) => {
+    if (!err) {
+      fs.mkdirSync(profileDir, {
+        recursive: true
+      });
+      fs.writeFileSync(path.join(profileDir, profileName + '.json'), JSON.stringify(profile));
+    }
+    f();
+  }));
+}