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facebook · Mar 11, 2021 · a530636 · a530636
1 parent a4f4fb3
commit a530636
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/packages/react-server/src/ReactDOMServerFormatConfig.js b/packages/react-server/src/ReactDOMServerFormatConfig.js
@@ -33,7 +33,8 @@ export function createResponseState(): ResponseState {
 }
 
 // This object is used to lazily reuse the ID of the first generated node, or assign one.
-// This is very specific to DOM where we can't assign an ID to.
+// We can't assign an ID up front because the node we're attaching it to might already
+// have one. So we need to lazily use that if it's available.
 export type SuspenseBoundaryID = {
   id: null | string,
 };