Module
A middleware framework for handling HTTP with Deno, Node, Bun and Cloudflare Workers 🐿️ 🦕
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116/* * This is an example of a server which will take whatever the request is and * respond back with information about the request. */
import { Application } from "../mod.ts";
const app = new Application();
// Loggerapp.use(async (ctx, next) => { await next(); const rt = ctx.response.headers.get("X-Response-Time"); console.log( `%c${ctx.request.method} %c${ctx.request.url.pathname}%c - %c${rt}`, "color:green", "color:cyan", "color:none", "font-weight:bold", ); const ua = ctx.request.userAgent; console.log( ` ${ua.browser.name}@${ua.browser.major} %c(${ua.os.name}@${ua.os.version})`, "color:grey", ); console.log(ua.ua);});
app.use(async (ctx, next) => { const start = Date.now(); await next(); const ms = Date.now() - start; ctx.response.headers.set("X-Response-Time", `${ms}ms`);});
const decoder = new TextDecoder();
app.use(async (ctx) => { if (ctx.request.hasBody) { const body = ctx.request.body; ctx.response.body = `<!DOCTYPE html><html><body> <h1>Body type: "${body.type()}"</h1>`; switch (body.type()) { case "form": ctx.response.body += `<table><thead><tr><th>Key</th><th>Value</th></tr></thead><tbody>`; for (const [key, value] of await body.form()) { ctx.response.body += `<tr><td>${key}</td><td>${value}</td></tr>`; } ctx.response.body += `</tbody></table>`; break; case "form-data": { const formData = await body.formData(); ctx.response.body += `<table><thead><tr><th>Key</th><th>Value</th></tr></thead><tbody>`; for (const [key, value] of formData) { ctx.response.body += `<tr><td>${key}</td><td>${ typeof value === "string" ? value : `file: ${value.name}<br/>size: ${value.size}<br/>type: ${value.type}` }</td></tr>`; if (value instanceof File) { console.log(await value.arrayBuffer()); } } ctx.response.body += `</tbody></table>`; break; } case "text": ctx.response.body += `<pre>${await body.text()}</pre>`; break; case "json": ctx.response.body += `<pre>${ JSON.stringify(await body.json(), undefined, " ") }</pre>`; break; case "binary": ctx.response.body += `<h2>Content Type: "${ ctx.request.headers.get("content-type") }"</h2>`; ctx.response.body += `<pre>${ decoder.decode(await body.arrayBuffer()) }</pre>`; break; case "unknown": ctx.response.body += `<div>Unable to determine body type.</div><h2>Content Type: "${ ctx.request.headers.get("content-type") }"</h2>`; break; default: ctx.response.body += `<p><strong>Body is Undefined</strong></p>`; } ctx.response.body += `</body></html>`; } else { ctx.response.body = `<!DOCTYPE html><html><body><h1>No Body</h1></body></html>`; }});
app.addEventListener("listen", ({ hostname, port, serverType }) => { console.log( `%cStart listening on %c${hostname}:${port}`, "font-weight:bold", "color:yellow;font-weight:normal", ); console.log( ` %cusing HTTP server: %c${serverType}`, "font-weight:bold", "color:yellow; font-weight:normal", );});
await app.listen({ hostname: "127.0.0.1", port: 8000 });console.log("%cFinished.", "font-weight:bold");