Files
diachron/deno/routes.ts
2025-02-08 19:35:45 -06:00

102 lines
2.6 KiB
TypeScript

type Method = "get" | "post" | "put" | "patch" | "delete";
import { HttpCode, httpCodes } from "./http-codes.ts";
import { ContentType, contentTypes } from "./content-types";
import { services } from "./services";
type Response = {
code: HttpCode;
contentType: ContentType;
result: string;
};
type Handler = (req: Request) => Response;
const phandler: Handler = (req: Request) => {
const code = httpCodes.success.OK;
return {
code,
result: "it is ok ",
contentType: contentTypes.text.plain,
};
};
type Route = {
path: string;
methods: Method[];
handler: Handler;
};
const routes: Route[] = [
{
path: "/ok",
methods: ["get"],
handler: (req) => {
const code = httpCodes.success.OK;
const rn = services.random.randomNumber();
return {
code,
result: "it is ok " + rn,
contentType: contentTypes.text.plain,
};
},
},
{
path: "/alsook",
methods: ["get"],
handler: (req) => {
const code = httpCodes.success.OK;
return {
code,
result: "it is also ok",
contentType: contentTypes.text.plain,
};
},
},
];
type DenoRequest = globalThis.Request;
type UserRequest = {};
type Request = {
pattern: string;
path: string;
method: Method;
parameters: object;
denoRequest: globalThis.Request;
};
type ProcessedRoute = { pattern: URLPattern; method: Method; handler: Handler };
const processedRoutes: ProcessedRoute[] = routes.map(
(route: Route, idx: number, allRoutes: Route[]) => {
const pattern: URLPattern = new URLPattern({ pathname: route.path });
const method: Method = route.method;
const handler = (denoRequest: DenoRequest) => {
const req: Request = {
pattern: route.pattern,
path: denoRequest.path,
method: denoRequest.method,
parameters: { one: 1, two: 2 },
denoRequest,
};
return route.handler(req);
};
return { pattern, method, handler };
},
);
function handler(req: globalThis.Request): globalThis.Response {
for (const [idx, pr] of processedRoutes.entries()) {
const match = pr.pattern.exec(req.url);
if (match) {
const resp = pr.handler(req);
return new globalThis.Response(resp.result);
}
}
return new globalThis.Response("not found", { status: 404 });
}
Deno.serve(handler);