fix: 🐛 Fixed the problem that rawSourceMap may be a string

Fixed the problem that rawSourceMap may be a string, causing the coverage plug-in to report an error ✅ Closes: #32
storybookjs · Dec 1, 2023 · 280f528 · 280f528
1 parent aacb3fb
commit 280f528
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/loader/webpack5-istanbul-loader.ts b/src/loader/webpack5-istanbul-loader.ts
@@ -25,7 +25,8 @@ type RawSourceMap = {
   names?: string[];
 };
 
-function sanitizeSourceMap(rawSourceMap: RawSourceMap): RawSourceMap {
+function sanitizeSourceMap(rawSourceMap: RawSourceMap | string): RawSourceMap {
+  if (typeof rawSourceMap === 'string') return JSON.parse(rawSourceMap);
   const { sourcesContent, ...sourceMap } = rawSourceMap ?? {};
 
   // JSON parse/stringify trick required for istanbul to accept the SourceMap