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jestjs · Nov 8, 2022 · 8d7a208 · 8d7a208
1 parent 7bbae34
commit 8d7a208
Showing 1 changed file with 27 additions and 17 deletions.
diff --git a/packages/jest-transform/src/ScriptTransformer.ts b/packages/jest-transform/src/ScriptTransformer.ts
@@ -542,23 +542,31 @@ class ScriptTransformer {
 
     let shouldCallTransform = false;
 
-    if (transformer && this.shouldTransform(filename)) {
-      shouldCallTransform = true;
-      const process = transformer.processAsync ?? transformer.process;
-
-      // This is probably dead code since `_getTransformerAsync` already asserts this
-      invariant(
-        typeof process === 'function',
-        'A transformer must always export either a `process` or `processAsync`',
-      );
+    // success
+    // success
+    if (transformer) {
+      if (cacheFilePath) {
+        createDirectory(path.dirname(cacheFilePath));
+      }
+      if (this.shouldTransform(filename, cacheFilePath)) {
+        // failed
+        shouldCallTransform = true;
+        const process = transformer.processAsync ?? transformer.process;
+
+        // This is probably dead code since `_getTransformerAsync` already asserts this
+        invariant(
+          typeof process === 'function',
+          'A transformer must always export either a `process` or `processAsync`',
+        );
 
-      processed = await process(content, filename, {
-        ...options,
-        cacheFS: this._cacheFS,
-        config: this._config,
-        configString: this._cache.configString,
-        transformerConfig,
-      });
+        processed = await process(content, filename, {
+          ...options,
+          cacheFS: this._cacheFS,
+          config: this._config,
+          configString: this._cache.configString,
+          transformerConfig,
+        });
+      }
     }
 
     createDirectory(path.dirname(filename));
@@ -810,11 +818,13 @@ class ScriptTransformer {
     }
   }
 
-  shouldTransform(filename: string): boolean {
+  shouldTransform(filename: string, cacheFilePath?: string): boolean {
+    // failed
     const ignoreRegexp = this._cache.ignorePatternsRegExp;
     const isIgnored = ignoreRegexp ? ignoreRegexp.test(filename) : false;
 
     return this._config.transform.length !== 0 && !isIgnored;
+    // failed
   }
 }