microsoft/TypeScript
1
0
Fork 0
mirror of https://github.com/microsoft/TypeScript.git synced 2026-02-05 16:38:05 -06:00
Code Issues Packages Projects Releases 212 Wiki Activity

Verify that perf_hooks result actually contains the performance object (#59300)

Browse Source
This commit is contained in:
Jake Bailey 2024-07-16 10:03:02 -07:00 committed by GitHub
parent ec446b6f19
commit bd54a6bb2b
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 8 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
src/compiler/performanceCore.ts
View File

@ -31,11 +31,14 @@ function tryGetPerformance() {
if (isNodeLikeSystem()) {
try {
// By default, only write native events when generating a cpu profile or using the v8 profiler.
const { performance } = require("perf_hooks") as typeof import("perf_hooks");
return {
shouldWriteNativeEvents: false,
performance,
};
// Some environments may polyfill this module with an empty object; verify the object has the expected shape.
const { performance } = require("perf_hooks") as Partial<typeof import("perf_hooks")>;
if (performance) {
return {
shouldWriteNativeEvents: false,
performance,
};
}
}
catch {
// ignore errors