Get dot files for local cache storage (#551)

Author: christiango

change/change-82e18572-965d-4d32-929c-c6853fda7c5d.json

@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "type": "patch",
+      "comment": "Make sure that the backfill cache copies files beginning with a . over during fetch calls",
+      "packageName": "backfill-cache",
+      "email": "1581488+christiango@users.noreply.github.com",
+      "dependentChangeType": "patch"
+    }
+  ]
+}

packages/cache/src/LocalCacheStorage.ts

@@ -28,6 +28,7 @@ export class LocalCacheStorage extends CacheStorage {
 
     const files = await globby(`**/*`, {
       cwd: localCacheFolder,
+      dot: true,
     });
 
     await Promise.all(

packages/cache/src/__tests__/LocalCacheStorage.test.ts

@@ -118,6 +118,15 @@ async function putInCache({
 
     expectPathExists(path.join(fixtureLocation, pathToCheck), expectSuccess);
   });
+
+  if (expectSuccess) {
+    for (const f of filesToCache) {
+      fs.removeSync(path.join(fixtureLocation, f));
+      expectPathExists(path.join(fixtureLocation, f), false);
+      await cacheStorage.fetch(hash);
+      expectPathExists(path.join(fixtureLocation, f), true);
+    }
+  }
 }
 
 describe("LocalCacheStorage", () => {
@@ -197,5 +206,14 @@ describe("LocalCacheStorage", () => {
         filesToCache: ["lib/azerty"],
       });
     });
+
+    it("will persist files that are in a folder with a . in them", async () => {
+      await putInCache({
+        fixtureName: "basic",
+        hash: "46df1a257dfbde62b1e284f6382b20a49506f029",
+        outputGlob: [".react-router/**"],
+        filesToCache: [".react-router/types/route.d.ts"],
+      });
+    });
   });
 });