1 files changed, 22 insertions, 0 deletions
diff --git a/node_modules/rxjs/src/internal/testing/SubscriptionLoggable.ts b/node_modules/rxjs/src/internal/testing/SubscriptionLoggable.ts
new file mode 100644
index 0000000..e8def04
--- /dev/null
+++ b/node_modules/rxjs/src/internal/testing/SubscriptionLoggable.ts
@@ -0,0 +1,22 @@
+import { Scheduler } from '../Scheduler';
+import { SubscriptionLog } from './SubscriptionLog';
+
+export class SubscriptionLoggable {
+  public subscriptions: SubscriptionLog[] = [];
+  // @ts-ignore: Property has no initializer and is not definitely assigned
+  scheduler: Scheduler;
+
+  logSubscribedFrame(): number {
+    this.subscriptions.push(new SubscriptionLog(this.scheduler.now()));
+    return this.subscriptions.length - 1;
+  }
+
+  logUnsubscribedFrame(index: number) {
+    const subscriptionLogs = this.subscriptions;
+    const oldSubscriptionLog = subscriptionLogs[index];
+    subscriptionLogs[index] = new SubscriptionLog(
+      oldSubscriptionLog.subscribedFrame,
+      this.scheduler.now()
+    );
+  }
+}