chore: don't update if snapshot no change

vuejs · Aug 16, 2022 · 8b05426 · 8b05426
1 parent 276492b
commit 8b05426
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/packages/vue-language-core/src/sourceFile.ts b/packages/vue-language-core/src/sourceFile.ts
@@ -322,7 +322,7 @@ export function createSourceFile(
 		}
 	});
 
-	update(scriptSnapshot);
+	update(scriptSnapshot, true);
 
 	return {
 		fileName,
@@ -398,7 +398,11 @@ export function createSourceFile(
 		}
 		return range;
 	}
-	function update(newScriptSnapshot: ts.IScriptSnapshot) {
+	function update(newScriptSnapshot: ts.IScriptSnapshot, init = false) {
+
+		if (newScriptSnapshot === snapshot.value && !init) {
+			return;
+		}
 
 		const change = newScriptSnapshot.getChangeRange(snapshot.value);
 		snapshot.value = newScriptSnapshot;