Additional fix for #4444 to prevent errors on windows (#11423)

jestjs · Sep 28, 2022 · 4adf6ab · 4adf6ab
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -17,6 +17,7 @@
 - `[jest-mock]` Improve `spyOn` typings to handle optional properties ([#13247](https://github.com/facebook/jest/pull/13247))
 - `[jest-snapshot]` Throw useful error when an array is passed as property matchers ([#13263](https://github.com/facebook/jest/pull/13263))
 - `[jest-snapshot]` Prioritize parser used in the project ([#13323](https://github.com/facebook/jest/pull/13323))
+- `[jest-transform]` Attempt to work around issues with atomic writes on Windows ([#11423](https://github.com/facebook/jest/pull/11423))
 
 ### Chore & Maintenance
 

diff --git a/packages/jest-transform/src/ScriptTransformer.ts b/packages/jest-transform/src/ScriptTransformer.ts
@@ -946,6 +946,12 @@ const readCacheFile = (cachePath: string): string | null => {
   try {
     fileData = fs.readFileSync(cachePath, 'utf8');
   } catch (e: any) {
+    // on windows write-file-atomic is not atomic which can
+    // result in this error
+    if (e.code === 'ENOENT' && process.platform === 'win32') {
+      return null;
+    }
+
     e.message = `jest: failed to read cache file: ${cachePath}\nFailure message: ${e.message}`;
     removeFile(cachePath);
     throw e;