From 7e712246a99a662225b881befc9c44605c09b192 Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Mon, 5 Jun 2023 12:14:37 -0400
Subject: [PATCH] [mv3] Let the scriplet sort out targeted sites when too many
 targets

This is too avoid `matches` property with too many hostnames at
registerContentScripts() time. Threshold has been arbitrarily
set at 100.
---
 .../mv3/extension/js/scripting-manager.js     | 26 ++++++++++++-------
 1 file changed, 16 insertions(+), 10 deletions(-)

diff --git a/platform/mv3/extension/js/scripting-manager.js b/platform/mv3/extension/js/scripting-manager.js
index 0897e7d9a..2447acafa 100644
--- a/platform/mv3/extension/js/scripting-manager.js
+++ b/platform/mv3/extension/js/scripting-manager.js
@@ -369,20 +369,26 @@ function registerScriptlet(context, scriptletDetails) {
 
             const matches = [];
             const excludeMatches = [];
+            let targetHostnames = [];
             if ( hasBroadHostPermission ) {
                 excludeMatches.push(...permissionRevokedMatches);
-                matches.push(...ut.matchesFromHostnames(scriptletHostnames));
+                if ( scriptletHostnames.length > 100 ) {
+                    targetHostnames = [ '*' ];
+                } else {
+                    targetHostnames = scriptletHostnames;
+                }
             } else if ( permissionGrantedHostnames.length !== 0 ) {
-                matches.push(
-                    ...ut.matchesFromHostnames(
-                        ut.intersectHostnameIters(
-                            permissionGrantedHostnames,
-                            scriptletHostnames
-                        )
-                    )
-                );
+                if ( scriptletHostnames.includes('*') ) {
+                    targetHostnames = permissionGrantedHostnames;
+                } else {
+                    targetHostnames = ut.intersectHostnameIters(
+                        permissionGrantedHostnames,
+                        scriptletHostnames
+                    );
+                }
             }
-            if ( matches.length === 0 ) { continue; }
+            if ( targetHostnames.length === 0 ) { continue; }
+            matches.push(...ut.matchesFromHostnames(targetHostnames));
 
             before.delete(id); // Important!