fix: source map mistakenly ignored index 0

close #2052
vuejs · Dec 16, 2022 · 198bc84 · 198bc84
1 parent cba2eba
commit 198bc84
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/source-map/src/index.ts b/packages/source-map/src/index.ts
@@ -125,7 +125,7 @@ export class SourceMapBase<Data = undefined> {
 				skip.add(mapping);
 
 				const mapped = this.matchOffset(startOffset, mapping[from], mapping[to]);
-				if (mapped) {
+				if (mapped !== undefined) {
 					yield [mapped, mapping] as const;
 				}
 			}