import { green, cyan, bold, yellow, red } from "https://deno.land/std@v0.19.0/fmt/colors.ts"; import { Application, HttpError, send, Status } from "https://deno.land/x/oak/mod.ts"; const app = new Application(); // Error handler middleware app.use(async (context, next) => { try { await next(); } catch (e) { if (e instanceof HttpError) { context.response.status = e.status as any; if (e.expose) { context.response.body = `

${e.status} - ${e.message}

`; } else { context.response.body = `

${e.status} - ${Status[e.status]}

`; } } else if (e instanceof Error) { context.response.status = 500; context.response.body = `

500 - Internal Server Error

`; console.log("Unhandled Error:", red(bold(e.message))); console.log(e.stack); } } }); // Logger app.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)} - ${bold( String(rt) )}` ); }); // Response Time app.use(async (context, next) => { const start = Date.now(); await next(); const ms = Date.now() - start; context.response.headers.set("X-Response-Time", `${ms}ms`); }); // Send static content app.use(async context => { await send(context, context.request.path, { root: `${Deno.cwd()}/static`, index: "index.html" }); }); const address = "127.0.0.1:8000"; console.log(bold("Start listening on ") + yellow(address)); await app.listen(address);