Render scss in memory and delivers it. It also monitors all redered scss files for changes and recompile them automatically if required
import express from "express";
import rendersassMiddleware from "node-rendersass-middleware";
...
const app = express();
...
app.use(rendersassMiddleware()); // assumes your web pages are loading css from /css path
// and your scss sources are in scss folder
app.use(rendersassMiddleware("style", path.join(process.cwd(), "myScssFolder"));