import express = require("express"); import sassMiddleware = require("node-sass-middleware"); import * as path from "path"; var app = express(); app.use(sassMiddleware({ /* Options */ src: __dirname, dest: path.join(__dirname, 'public'), debug: true, outputStyle: 'compressed', prefix: '/prefix' // Where prefix is at })); app.use(express.static(path.join(__dirname, 'public')));