perf_hooks: expose webperf global scope interfaces

Exposes `PerformanceEntry`, `PerformanceMark`, `PerformanceMeasure`, `PerformanceObserver`, `PerformanceObserverEntryList`, and `PerformanceResourceTiming` to the global scope.
nodejs · Sep 14, 2022 · 5420d66 · 5420d66
1 parent 1d86a0f
commit 5420d66
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Showing 4 changed files with 6 additions and 73 deletions.
diff --git a/lib/internal/bootstrap/browser.js b/lib/internal/bootstrap/browser.js
@@ -75,6 +75,12 @@ exposeInterface(globalThis, 'Blob', buffer.Blob);
 // https://www.w3.org/TR/hr-time-2/#the-performance-attribute
 const perf_hooks = require('perf_hooks');
 exposeInterface(globalThis, 'Performance', perf_hooks.Performance);
+exposeInterface(globalThis, 'PerformanceEntry', perf_hooks.PerformanceEntry);
+exposeInterface(globalThis, 'PerformanceMark', perf_hooks.PerformanceMark);
+exposeInterface(globalThis, 'PerformanceMeasure', perf_hooks.PerformanceMeasure);
+exposeInterface(globalThis, 'PerformanceObserver', perf_hooks.PerformanceObserver);
+exposeInterface(globalThis, 'PerformanceObserverEntryList', perf_hooks.PerformanceObserverEntryList);
+exposeInterface(globalThis, 'PerformanceResourceTiming', perf_hooks.PerformanceResourceTiming);
 defineReplaceableAttribute(globalThis, 'performance',
                            perf_hooks.performance);
 

diff --git a/test/wpt/test-performance-timeline.js b/test/wpt/test-performance-timeline.js
@@ -7,30 +7,6 @@ const runner = new WPTRunner('performance-timeline');
 runner.pretendGlobalThisAs('Window');
 runner.brandCheckGlobalScopeAttribute('performance');
 runner.setInitScript(`
-  const {
-    PerformanceEntry,
-    PerformanceObserver,
-    PerformanceObserverEntryList,
-  } = require('perf_hooks');
-  Object.defineProperty(global, 'PerformanceEntry', {
-    value: PerformanceEntry,
-    enumerable: false,
-    writable: true,
-    configurable: true,
-  });
-  Object.defineProperty(global, 'PerformanceObserver', {
-    value: PerformanceObserver,
-    enumerable: false,
-    writable: true,
-    configurable: true,
-  });
-  Object.defineProperty(global, 'PerformanceObserverEntryList', {
-    value: PerformanceObserverEntryList,
-    enumerable: false,
-    writable: true,
-    configurable: true,
-  });
-
   // Create a dummy resource timing entry to mimic how the browser would
   // record the initial page load.
   performance.markResourceTiming({

diff --git a/test/wpt/test-resource-timing.js b/test/wpt/test-resource-timing.js
@@ -6,23 +6,6 @@ const runner = new WPTRunner('resource-timing');
 
 runner.pretendGlobalThisAs('Window');
 runner.setInitScript(`
-  const {
-    PerformanceEntry,
-    PerformanceResourceTiming,
-  } = require('perf_hooks');
-  Object.defineProperty(global, 'PerformanceEntry', {
-    value: PerformanceEntry,
-    enumerable: false,
-    writable: true,
-    configurable: true,
-  });
-  Object.defineProperty(global, 'PerformanceResourceTiming', {
-    value: PerformanceResourceTiming,
-    enumerable: false,
-    writable: true,
-    configurable: true,
-  });
-
   global.resource = performance.markResourceTiming({
     startTime: 0,
     endTime: 0,

diff --git a/test/wpt/test-user-timing.js b/test/wpt/test-user-timing.js
@@ -7,37 +7,5 @@ const runner = new WPTRunner('user-timing');
 
 runner.pretendGlobalThisAs('Window');
 runner.brandCheckGlobalScopeAttribute('performance');
-runner.setInitScript(`
-  const {
-    PerformanceEntry,
-    PerformanceMark,
-    PerformanceMeasure,
-    PerformanceObserver,
-  } = require('perf_hooks');
-  Object.defineProperty(global, 'PerformanceEntry', {
-    value: PerformanceEntry,
-    enumerable: false,
-    writable: true,
-    configurable: true,
-  });
-  Object.defineProperty(global, 'PerformanceMark', {
-    value: PerformanceMark,
-    enumerable: false,
-    writable: true,
-    configurable: true,
-  });
-  Object.defineProperty(global, 'PerformanceMeasure', {
-    value: PerformanceMeasure,
-    enumerable: false,
-    writable: true,
-    configurable: true,
-  });
-  Object.defineProperty(global, 'PerformanceObserver', {
-    value: PerformanceObserver,
-    enumerable: false,
-    writable: true,
-    configurable: true,
-  });
-`);
 
 runner.runJsTests();