tor-browser

commit c2024682693afe4ee8754342bb2fb36aab387e89
parent 620b9a6634addf13e2fbb3823f4477c13ec55ef6
Author: Will Medina <williams.medinaa@gmail.com>
Date:   Mon,  8 Dec 2025 19:53:56 +0000

Bug 2003345 - Add Iterator.join preference. r=dminor

Differential Revision: https://phabricator.services.mozilla.com/D274843

Diffstat:
M
js/src/shell/js.cpp
 | 
6
+++++-
M
modules/libpref/init/StaticPrefList.yaml
 | 
7
+++++++

2 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/js/src/shell/js.cpp b/js/src/shell/js.cpp
@@ -13322,7 +13322,8 @@ bool InitOptionParser(OptionParser& op) {
       !op.addBoolOption('\0', "enable-arraybuffer-immutable",
                         "Enable immutable ArrayBuffers") ||
       !op.addBoolOption('\0', "enable-iterator-chunking",
-                        "Enable Iterator Chunking")) {
+                        "Enable Iterator Chunking") ||
+      !op.addBoolOption('\0', "enable-iterator-join", "Enable Iterator.join")) {
     return false;
   }
 
@@ -13404,6 +13405,9 @@ bool SetGlobalOptionsPreJSInit(const OptionParser& op) {
   if (op.getBoolOption("enable-iterator-chunking")) {
     JS::Prefs::setAtStartup_experimental_iterator_chunking(true);
   }
+  if (op.getBoolOption("enable-iterator-join")) {
+    JS::Prefs::setAtStartup_experimental_iterator_join(true);
+  }
 #endif
 #ifdef ENABLE_EXPLICIT_RESOURCE_MANAGEMENT
   if (op.getBoolOption("enable-explicit-resource-management")) {
diff --git a/modules/libpref/init/StaticPrefList.yaml b/modules/libpref/init/StaticPrefList.yaml
@@ -9057,6 +9057,13 @@
   mirror: always
   set_spidermonkey_pref: startup
 
+ # Experimental support for Iterator.join in JavaScript.
+- name: javascript.options.experimental.iterator_join
+  type: bool
+  value: false
+  mirror: always
+  set_spidermonkey_pref: startup
+
 #endif  // NIGHTLY_BUILD
 
 # Whether to Baseline-compile self-hosted functions the first time they are