1 files changed, 31 insertions, 0 deletions
diff --git a/node_modules/rxjs/src/internal/scheduler/timeoutProvider.ts b/node_modules/rxjs/src/internal/scheduler/timeoutProvider.ts
new file mode 100644
index 0000000..205e016
--- /dev/null
+++ b/node_modules/rxjs/src/internal/scheduler/timeoutProvider.ts
@@ -0,0 +1,31 @@
+import type { TimerHandle } from './timerHandle';
+type SetTimeoutFunction = (handler: () => void, timeout?: number, ...args: any[]) => TimerHandle;
+type ClearTimeoutFunction = (handle: TimerHandle) => void;
+
+interface TimeoutProvider {
+  setTimeout: SetTimeoutFunction;
+  clearTimeout: ClearTimeoutFunction;
+  delegate:
+    | {
+        setTimeout: SetTimeoutFunction;
+        clearTimeout: ClearTimeoutFunction;
+      }
+    | undefined;
+}
+
+export const timeoutProvider: TimeoutProvider = {
+  // When accessing the delegate, use the variable rather than `this` so that
+  // the functions can be called without being bound to the provider.
+  setTimeout(handler: () => void, timeout?: number, ...args) {
+    const { delegate } = timeoutProvider;
+    if (delegate?.setTimeout) {
+      return delegate.setTimeout(handler, timeout, ...args);
+    }
+    return setTimeout(handler, timeout, ...args);
+  },
+  clearTimeout(handle) {
+    const { delegate } = timeoutProvider;
+    return (delegate?.clearTimeout || clearTimeout)(handle as any);
+  },
+  delegate: undefined,
+};