chore: don't update if snapshot no change

vuejs · Aug 16, 2022 · 0b570b0 · 0b570b0
1 parent 276492b
commit 0b570b0
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/packages/vue-language-core/src/sourceFile.ts b/packages/vue-language-core/src/sourceFile.ts
@@ -400,6 +400,10 @@ export function createSourceFile(
 	}
 	function update(newScriptSnapshot: ts.IScriptSnapshot) {
 
+		if (newScriptSnapshot === snapshot.value) {
+			return;
+		}
+
 		const change = newScriptSnapshot.getChangeRange(snapshot.value);
 		snapshot.value = newScriptSnapshot;