Update

src/esbuild-postcss.ts

@@ -28,7 +28,7 @@ export const esbuildPlugin = (styleMap: StyleMap, compile: Compile): esbuild.Plu
     build.onLoad({ filter: /.*/, namespace: ESBUILD_NAMESPACE }, async ({ path }) => {
       if (path === "directive:base") {
         return {
-          contents: (await compile("@tailwind base")).css,
+          contents: await compile("@tailwind base"),
           loader: "css",
         };
       }
@@ -40,7 +40,7 @@ export const esbuildPlugin = (styleMap: StyleMap, compile: Compile): esbuild.Plu
       try {
         const result = await compile(toCSSText(styles));
         return {
-          contents: result.css,
+          contents: result,
           loader: "css",
         };
       } catch (e) {