handle missing sourcemap

jestjs · Jul 10, 2019 · 11b1277 · 11b1277
1 parent 2aa68b3
commit 11b1277
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/packages/jest-runtime/src/index.ts b/packages/jest-runtime/src/index.ts
@@ -620,7 +620,10 @@ class Runtime {
 
         let sourcemapContent: FixedRawSourceMap | undefined = undefined;
 
-        if (istanbulStuff.sourceMapPath) {
+        if (
+          istanbulStuff.sourceMapPath &&
+          fs.existsSync(istanbulStuff.sourceMapPath)
+        ) {
           sourcemapContent = JSON.parse(
             fs.readFileSync(istanbulStuff.sourceMapPath, 'utf8'),
           );