Module
A middleware framework for handling HTTP with Deno, Node, Bun and Cloudflare Workers 🐿️ 🦕
Extremely Popular
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192/* * This is an example proxy server. */
import { bold, cyan, green, red, yellow } from "jsr:@std/fmt@0.222/colors";
import { Application, HttpError, proxy, Status } from "../mod.ts";
const app = new Application();
// Error handler middlewareapp.use(async (context, next) => { try { await next(); } catch (e) { if (e instanceof HttpError) { // deno-lint-ignore no-explicit-any context.response.status = e.status as any; if (e.expose) { context.response.body = `<!DOCTYPE html> <html> <body> <h1>${e.status} - ${e.message}</h1> </body> </html>`; } else { context.response.body = `<!DOCTYPE html> <html> <body> <h1>${e.status} - ${Status[e.status]}</h1> </body> </html>`; } } else if (e instanceof Error) { context.response.status = 500; context.response.body = `<!DOCTYPE html> <html> <body> <h1>500 - Internal Server Error</h1> </body> </html>`; console.log("Unhandled Error:", red(bold(e.message))); console.log(e.stack); } }});
// Loggerapp.use(async (context, next) => { await next(); const rt = context.response.headers.get("X-Response-Time"); console.log( `${green(context.request.method)} ${cyan(context.request.url.pathname)} - ${ bold( String(rt), ) }`, );});
// Response Timeapp.use(async (context, next) => { const start = Date.now(); await next(); const ms = Date.now() - start; context.response.headers.set("X-Response-Time", `${ms}ms`);});
// Redirects requests to `/` to `/oak/` which is the appropriate path to// proxy.app.use((ctx, next) => { if (ctx.request.url.pathname === "/") { ctx.response.redirect("/oak/"); } else { return next(); }});
// Proxy requestsapp.use(proxy("https://oakserver.github.io/"));
// Log when we start listening for requestsapp.addEventListener("listen", ({ hostname, port, serverType }) => { console.log( `${bold("Start listening on ")}${yellow(`${hostname}:${port}`)}`, ); console.log(bold(` using HTTP server: ${yellow(serverType)}`));});
// Start listening to requestsawait app.listen({ hostname: "127.0.0.1", port: 8000 });