From 7e79f82fd0a3fe367bbbe04def139c9d73b3bf39 Mon Sep 17 00:00:00 2001
From: Johnson Chu <johnsoncodehk@gmail.com>
Date: Thu, 26 Dec 2024 07:04:49 +0800
Subject: [PATCH] refactor: simplify conditionals in propagate function for
 better readability

---
 packages/reactivity/src/system.ts | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/packages/reactivity/src/system.ts b/packages/reactivity/src/system.ts
index 426a622b4e6..fe91a088f0e 100644
--- a/packages/reactivity/src/system.ts
+++ b/packages/reactivity/src/system.ts
@@ -137,12 +137,14 @@ export function propagate(subs: Link): void {
 
     if (!(subFlags & SubscriberFlags.Tracking)) {
       if (
-        (!(subFlags & (SubscriberFlags.ToCheckDirty | SubscriberFlags.Dirty)) &&
-          ((sub.flags = subFlags | targetFlag), true)) ||
-        (subFlags & SubscriberFlags.Recursed &&
-          ((sub.flags = (subFlags & ~SubscriberFlags.Recursed) | targetFlag),
-          true))
+        !(
+          subFlags &
+          (SubscriberFlags.Recursed |
+            SubscriberFlags.ToCheckDirty |
+            SubscriberFlags.Dirty)
+        )
       ) {
+        sub.flags = (subFlags & ~SubscriberFlags.Recursed) | targetFlag
         const subSubs = (sub as Dependency).subs
         if (subSubs !== undefined) {
           if (subSubs.nextSub !== undefined) {