fix: filter out illegal sourcemap items (#51)

unjs · Jan 27, 2022 · 6644466 · 6644466
1 parent aba877e
commit 6644466
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/esbuild/utils.ts b/src/esbuild/utils.ts
@@ -62,6 +62,8 @@ export function combineSourcemaps (
   filename: string,
   sourcemapList: Array<DecodedSourceMap | RawSourceMap>
 ): RawSourceMap {
+  sourcemapList = sourcemapList.filter(m => m.sources)
+
   if (
     sourcemapList.length === 0 ||
     sourcemapList.every(m => m.sources.length === 0)