Fallback to v4 by default

Author: thecrypticace

src/config.ts

@@ -75,7 +75,7 @@ export async function getTailwindConfig(options: ParserOptions): Promise<any> {
   //
   // For the same reasons as the v4 stylesheet, it's important that the config
   // file be resolved relative to the file it's configured in.
-  if (!stylesheet && !mod?.__unstable__loadDesignSystem) {
+  if (!stylesheet && mod && !mod.__unstable__loadDesignSystem) {
     jsConfig = jsConfig ?? findClosestJsConfig(inputDir)
   }
 
@@ -112,14 +112,6 @@ export async function getTailwindConfig(options: ParserOptions): Promise<any> {
     stylesheet ??= `${pkgDir}/theme.css`
   }
 
-  // No stylesheet was given or otherwise found in a local v4 installation
-  // nor was a tailwind config given or found.
-  //
-  // Fallback to v3
-  if (!stylesheet) {
-    return pathToApiMap.remember(null, () => loadV3(null, null))
-  }
-
   return pathToApiMap.remember(`${pkgDir}:${stylesheet}`, () => loadV4(mod, stylesheet))
 }
 

tests/format.test.ts

@@ -26,6 +26,12 @@ describe('other', () => {
 
     expect(result).toEqual('<div class="unknown-class group peer container p-0"></div>')
   })
+
+  test('parasite utilities', async ({ expect }) => {
+    let result = await format('<div class="group peer unknown-class p-0 container"></div>')
+
+    expect(result).toEqual('<div class="group peer unknown-class container p-0"></div>')
+  })
 })
 
 describe('whitespace', () => {
@@ -61,6 +67,6 @@ describe('whitespace', () => {
   test('duplicate classes are dropped', async ({ expect }) => {
     let result = await format('<div class="underline line-through underline flex"></div>')
 
-    expect(result).toEqual('<div class="flex underline line-through"></div>')
+    expect(result).toEqual('<div class="flex line-through underline"></div>')
   })
 })