force relative pathing wip

npm/vite-dev-server/client/initCypressTests.js

@@ -13,6 +13,12 @@ const supportFile = CypressInstance.config('supportFile')
 const projectRoot = CypressInstance.config('projectRoot')
 const devServerPublicPathRoute = CypressInstance.config('devServerPublicPathRoute')
 
+let devServerPublicPathBase = devServerPublicPathRoute
+
+if (devServerPublicPathRoute === '') {
+  devServerPublicPathBase = '.'
+}
+
 if (supportFile) {
   let supportRelativeToProjectRoot = supportFile.replace(projectRoot, '')
 
@@ -22,21 +28,26 @@ if (supportFile) {
     supportRelativeToProjectRoot = supportFile.replace(platformProjectRoot, '')
   }
 
-  // We need a slash before /cypress/supportFile.js, this happens by default
-  // with the current string replacement logic.
+  // path lookups are done with unix style operators. Not replacing ha
+  supportRelativeToProjectRoot = supportRelativeToProjectRoot.replaceAll('\\', '/')
+
+  // We need a slash before /cypress/supportFile.js if the devServerPublicPathRoute is populated, this happens by default
+  // with the current string replacement logic. Otherwise, we need to specify the relative path to look up if devServerPublicPathRoute
+  // if not defined as it would be in the base directory
+
   importsToLoad.push({
-    load: () => import(`${devServerPublicPathRoute}${supportRelativeToProjectRoot}`),
+    load: () => import(`${devServerPublicPathBase}${supportRelativeToProjectRoot}`),
     absolute: supportFile,
     relative: supportRelativeToProjectRoot,
-    relativeUrl: `${devServerPublicPathRoute}${supportRelativeToProjectRoot}`,
+    relativeUrl: `${devServerPublicPathBase}${supportRelativeToProjectRoot}`,
   })
 }
 
 // Using relative path wouldn't allow to load tests outside Vite project root folder
 // So we use the "@fs" bit to load the test file using its absolute path
 // Normalize path to not include a leading slash (different on Win32 vs Unix)
 const normalizedAbsolutePath = CypressInstance.spec.absolute.replace(/^\//, '')
-const testFileAbsolutePathRoute = `${devServerPublicPathRoute}/@fs/${normalizedAbsolutePath}`
+const testFileAbsolutePathRoute = `${devServerPublicPathBase}/@fs/${normalizedAbsolutePath}`
 
 /* Spec file import logic */
 // We need a slash before /src/my-spec.js, this does not happen by default.