/
routingServer.ts
86 lines (73 loc) · 1.93 KB
/
routingServer.ts
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/*
* This is an example of a server that utilizes the router.
*/
// Importing some console colors
import {
green,
cyan,
bold,
yellow,
} from "https://deno.land/std@0.51.0/fmt/colors.ts";
import { Application, Context, Router, Status } from "../mod.ts";
interface Book {
id: string;
title: string;
author: string;
}
const books = new Map<string, Book>();
books.set("1234", {
id: "1234",
title: "The Hound of the Baskervilles",
author: "Conan Doyle, Author",
});
function notFound(context: Context) {
context.response.status = Status.NotFound;
context.response.body =
`<html><body><h1>404 - Not Found</h1><p>Path <code>${context.request.url}</code> not found.`;
}
const router = new Router();
router
.get("/", (context) => {
context.response.body = "Hello world!";
})
.get("/book", async (context) => {
context.response.body = Array.from(books.values());
})
.get<{ id: string }>("/book/:id", async (context, next) => {
if (context.params && books.has(context.params.id)) {
context.response.body = books.get(context.params.id);
} else {
return notFound(context);
}
});
const app = new Application();
// Logger
app.use(async (context, next) => {
await next();
const rt = context.response.headers.get("X-Response-Time");
console.log(
`${green(context.request.method)} ${cyan(context.request.url.pathname)} - ${
bold(
String(rt),
)
}`,
);
});
// Response Time
app.use(async (context, next) => {
const start = Date.now();
await next();
const ms = Date.now() - start;
context.response.headers.set("X-Response-Time", `${ms}ms`);
});
// Use the router
app.use(router.routes());
app.use(router.allowedMethods());
// A basic 404 page
app.use(notFound);
const options = { hostname: "127.0.0.1", port: 8000 };
console.log(
bold("Start listening on ") + yellow(`${options.hostname}:${options.port}`),
);
await app.listen(options);
console.log(bold("Finished."));