old

lunaruan · lunaruan · commit 6fb4d3cdc6d0 · 2022-06-28T17:09:00.000-04:00
diff --git a/packages/react-reconciler/src/ReactFiberLane.old.js b/packages/react-reconciler/src/ReactFiberLane.old.js
@@ -813,9 +813,9 @@ export function addTransitionToLanesMap(
     const index = laneToIndex(lane);
     let transitions = transitionLanesMap[index];
     if (transitions === null) {
-      transitions = [];
+      transitions = new Set();
     }
-    transitions.push(transition);
+    transitions.add(transition);
 
     transitionLanesMap[index] = transitions;
   }

Original file line number	Diff line number	Diff line change
`@@ -813,9 +813,9 @@ export function addTransitionToLanesMap(`
`813`	`813`	`const index = laneToIndex(lane);`
`814`	`814`	`let transitions = transitionLanesMap[index];`
`815`	`815`	`if (transitions === null) {`
`816`		`- transitions = [];`
	`816`	`+ transitions = new Set();`
`817`	`817`	`}`
`818`		`- transitions.push(transition);`
	`818`	`+ transitions.add(transition);`
`819`	`819`
`820`	`820`	`transitionLanesMap[index] = transitions;`
`821`	`821`	`}`