feat(replay): Add flush method to integration (#6776)

Author: mydea

packages/replay/README.md

@@ -223,3 +223,9 @@ However, please note that it is _possible_ that the error count reported on the
 does not match the actual errors that have been captured.
 The reason for that is that errors _can_ be lost, e.g. a network request fails, or similar.
 This should not happen to often, but be aware that it is theoretically possible.
+
+## Manually sending replay data
+
+You can use `replay.flush()` to immediately send all currently captured replay data.
+This can be combined with `replaysOnErrorSampleRate: 1`
+in order to be able to send the last 60 seconds of replay data on-demand.

packages/replay/src/integration.ts

@@ -185,6 +185,17 @@ Sentry.init({ replaysOnErrorSampleRate: ${errorSampleRate} })`,
     this._replay.stop();
   }
 
+  /**
+   * Immediately send all pending events.
+   */
+  public flush(): Promise<void> | void {
+    if (!this._replay || !this._replay.isEnabled()) {
+      return;
+    }
+
+    return this._replay.flushImmediate();
+  }
+
   /** Setup the integration. */
   private _setup(): void {
     // Client is not available in constructor, so we need to wait until setupOnce