tweak some flags

1 files changed, 15 insertions, 0 deletions

diff --git a/src/javascript/jsc/perf_hooks.exports.js b/src/javascript/jsc/perf_hooks.exports.js
new file mode 100644
index 000000000..200272130
--- /dev/null
+++ b/src/javascript/jsc/perf_hooks.exports.js
@@ -0,0 +1,15 @@
+export var performance = globalThis.performance;
+
+export function PerformanceObserver() {
+  throw new Error("PerformanceEntry is not implemented yet");
+}
+
+export function PerformanceEntry() {
+  throw new Error("PerformanceEntry is not implemented yet");
+}
+
+export function PerformanceNodeTiming() {
+  throw new Error(
+    "PerformanceNodeTiming is not supported in this environment."
+  );
+}