start on custom server

packages/docs-new/src/helpers/tailwind.ts

@@ -0,0 +1,22 @@
+import type { RequestHandler } from "express"
+import { readFile } from "node:fs/promises"
+import { fileURLToPath } from "node:url"
+import type { Result } from "postcss"
+import postcss from "postcss"
+import tailwindcss from "tailwindcss"
+
+const tailwindTemplate = await readFile(
+  fileURLToPath(await import.meta.resolve!("tailwindcss/tailwind.css")),
+  "utf-8",
+)
+
+let result: Result | undefined
+
+export function serveTailwindCss(): RequestHandler {
+  return async (req, res) => {
+    if (!result || process.env.NODE_ENV !== "production") {
+      result = await postcss(tailwindcss).process(tailwindTemplate)
+    }
+    res.set("Content-Type", "text/css").send(result.css)
+  }
+}