fix(studio): keep the project-folder change out of the shared signature check

Author: miguel-heygen

packages/cli/src/server/studioServer.ts

@@ -425,7 +425,7 @@ export function createStudioServer(options: StudioServerOptions): StudioServer {
   const project: ResolvedProject = { id: projectId, dir: projectDir, title: projectId };
   let cachedProjectSignature: string | null = null;
   watcher.addListener((changedPath) => {
-    if (affectsProjectSignature(projectDir, join(projectDir, changedPath))) {
+    if (changedPath === "." || affectsProjectSignature(projectDir, join(projectDir, changedPath))) {
       cachedProjectSignature = null;
     }
   });

packages/studio-server/src/helpers/projectSignature.test.ts

@@ -66,10 +66,7 @@ describe("affectsProjectSignature", () => {
 
   it("rejects a path outside the project", () => {
     expect(affectsProjectSignature(PROJECT, resolve("/projects/other/index.html"))).toBe(false);
-  });
-
-  it("invalidates the signature when the project directory itself changes", () => {
-    expect(affectsProjectSignature(PROJECT, PROJECT)).toBe(true);
+    expect(affectsProjectSignature(PROJECT, PROJECT)).toBe(false);
   });
 });
 

packages/studio-server/src/helpers/projectSignature.ts

@@ -60,7 +60,12 @@ export const STUDIO_SIGNATURE_MANIFEST_PATHS = [
  */
 export function affectsProjectSignature(projectDir: string, changedPath: string): boolean {
   const relativePath = relative(resolve(projectDir), resolve(changedPath));
-  if (relativePath.startsWith("..") || isAbsolute(relativePath) || isAtomicTempPath(relativePath)) {
+  if (
+    relativePath === "" ||
+    relativePath.startsWith("..") ||
+    isAbsolute(relativePath) ||
+    isAtomicTempPath(relativePath)
+  ) {
     return false;
   }
   const segments = relativePath.split(sep);