fix: micro-optimisation to speed up initial link

marklawlor · marklawlor · commit 939182a80d12 · 2025-10-13T22:25:16.000+10:00
diff --git a/cpp/ShadowTreeUpdateManager.cpp b/cpp/ShadowTreeUpdateManager.cpp
@@ -159,7 +159,8 @@ namespace margelo::nitro::cssnitro {
                         ShadowTreeUpdateManager::applyUpdates(*rt, updates);
                         obs->set(ShadowTreeUpdateManager::UpdatesMap{});
                     });
-            effect->run();
+            // Setup the subscription by doing a dummy get()
+            (void) obs->get(*effect);
             runtime_effects_.emplace(rt, std::move(effect));
         }
     }

Original file line number	Diff line number	Diff line change
`@@ -159,7 +159,8 @@ namespace margelo::nitro::cssnitro {`
`159`	`159`	`ShadowTreeUpdateManager::applyUpdates(*rt, updates);`
`160`	`160`	`obs->set(ShadowTreeUpdateManager::UpdatesMap{});`
`161`	`161`	`});`
`162`		`- effect->run();`
	`162`	`+ // Setup the subscription by doing a dummy get()`
	`163`	`+ (void) obs->get(*effect);`
`163`	`164`	`runtime_effects_.emplace(rt, std::move(effect));`
`164`	`165`	`}`
`165`	`166`	`}`