From ec7746350d4bea66c342df2af41a213e4bd0287c Mon Sep 17 00:00:00 2001
From: Jonas Jenwald <jonas.jenwald@gmail.com>
Date: Wed, 9 Aug 2023 17:03:25 +0200
Subject: [PATCH] Introduce even more optional chaining in the code-base

This replaces a few more small/simple if-statements with optional chaining.
---
 src/core/chunked_stream.js  | 5 ++---
 src/display/api.js          | 8 +++-----
 src/display/editor/tools.js | 6 ++----
 3 files changed, 7 insertions(+), 12 deletions(-)

diff --git a/src/core/chunked_stream.js b/src/core/chunked_stream.js
index 014b50bbc..635474953 100644
--- a/src/core/chunked_stream.js
+++ b/src/core/chunked_stream.js
@@ -546,9 +546,8 @@ class ChunkedStreamManager {
 
   abort(reason) {
     this.aborted = true;
-    if (this.pdfNetworkStream) {
-      this.pdfNetworkStream.cancelAllRequests(reason);
-    }
+    this.pdfNetworkStream?.cancelAllRequests(reason);
+
     for (const capability of this._promisesByRequest.values()) {
       capability.reject(reason);
     }
diff --git a/src/display/api.js b/src/display/api.js
index c982062c7..dcbbe2fa7 100644
--- a/src/display/api.js
+++ b/src/display/api.js
@@ -2533,11 +2533,9 @@ class WorkerTransport {
       this.#methodPromises.clear();
       this.filterFactory.destroy();
 
-      if (this._networkStream) {
-        this._networkStream.cancelAllRequests(
-          new AbortException("Worker was terminated.")
-        );
-      }
+      this._networkStream?.cancelAllRequests(
+        new AbortException("Worker was terminated.")
+      );
 
       if (this.messageHandler) {
         this.messageHandler.destroy();
diff --git a/src/display/editor/tools.js b/src/display/editor/tools.js
index 637d0645a..ede98728b 100644
--- a/src/display/editor/tools.js
+++ b/src/display/editor/tools.js
@@ -878,10 +878,8 @@ class AnnotationEditorUIManager {
   copy(event) {
     event.preventDefault();
 
-    if (this.#activeEditor) {
-      // An editor is being edited so just commit it.
-      this.#activeEditor.commitOrRemove();
-    }
+    // An editor is being edited so just commit it.
+    this.#activeEditor?.commitOrRemove();
 
     if (!this.hasSelection) {
       return;