From 6902c6324ed5985694d293cecdf95d2619912aff Mon Sep 17 00:00:00 2001
From: Erik Ritter <erik.t.ritter@gmail.com>
Date: Mon, 22 Apr 2019 10:13:41 -0700
Subject: [PATCH] Remove all special characters from filename prefix

---
 packages/jest-transform/src/ScriptTransformer.ts | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/packages/jest-transform/src/ScriptTransformer.ts b/packages/jest-transform/src/ScriptTransformer.ts
index d1e1c50d1aa0..7748d2cb2439 100644
--- a/packages/jest-transform/src/ScriptTransformer.ts
+++ b/packages/jest-transform/src/ScriptTransformer.ts
@@ -94,7 +94,6 @@ export default class ScriptTransformer {
             rootDir: this._config.rootDir,
           }),
         )
-        .update(filename)
         .update(CACHE_VERSION)
         .digest('hex');
     } else {
@@ -125,7 +124,7 @@ export default class ScriptTransformer {
     const cacheDir = path.join(baseCacheDir, cacheKey[0] + cacheKey[1]);
     const cacheFilenamePrefix = path
       .basename(filename, path.extname(filename))
-      .replace(/:/g, '_COLON_');
+      .replace(/\W/g, '');
     const cachePath = slash(
       path.join(cacheDir, cacheFilenamePrefix + '_' + cacheKey),
     );