Added effection-contribs section

www/main.tsx

@@ -5,6 +5,7 @@ import { docsRoute } from "./routes/docs-route.tsx";
 import { indexRoute } from "./routes/index-route.tsx";
 import { v2docsRoute } from "./routes/v2docs-route.tsx";
 import { assetsRoute } from "./routes/assets-route.ts";
+import { proxyRoute } from "./routes/proxy-route.ts";
 
 import { config } from "./tailwind.config.ts";
 
@@ -17,6 +18,7 @@ import { loadDocs } from "./docs/docs.ts";
 import { loadV2Docs } from "./docs/v2-docs.ts";
 
 await main(function* () {
+  let proxies = proxySites();
   let v2docs = yield* loadV2Docs({
     fetchEagerly: !!Deno.env.get("V2_DOCS_FETCH_EAGERLY"),
     revision: Number(Deno.env.get("V2_DOCS_REVISION") ?? 4),
@@ -27,6 +29,7 @@ await main(function* () {
   let revolution = createRevolution({
     app: [
       route("/", indexRoute()),
+      route("/contribs(.*)", proxyRoute(proxies.contribs)),
       route("/docs/:id", docsRoute(docs)),
       route("/assets(.*)", assetsRoute("assets")),
       route("/V2(.*)", v2docsRoute(v2docs)),
@@ -44,3 +47,14 @@ await main(function* () {
 
   yield* suspend();
 });
+
+
+function proxySites() {
+  return {
+    contribs: {
+      prefix: "contribs",
+      website: Deno.env.get("CONTRIBS_URL") ?? "https://effection-contribs.deno.dev",
+    }
+  } as const;
+}
+

www/routes/index-route.tsx

@@ -26,6 +26,7 @@ export function indexRoute(): SitemapRoute<JSXElement> {
           navLinks={[
             <a href="/docs/installation">Guides</a>,
             <a href="https://deno.land/x/effection/mod.ts">API</a>,
+            <a href="/contribs">Contribs</a>,
             <a
               class="flex flex-row"
               href="https://github.com/thefrontside/effection"

www/routes/proxy-route.ts

@@ -0,0 +1,58 @@
+import type { HTTPMiddleware } from "revolution";
+import { call, Operation } from "effection";
+
+export interface ProxyRouteOptions {
+  website: string;
+  prefix: string;
+  root?: string;
+}
+
+export function proxyRoute(options: ProxyRouteOptions): HTTPMiddleware {
+  return function* proxy(request): Operation<Response> {
+    let website = new URL(options.website);
+
+    let target = new URL(request.url);
+
+    let prefix = new RegExp(`^\/${options.prefix}\/?`);
+    target.pathname = target.pathname.replace(prefix, options.root ?? "/");
+
+    target.hostname = website.hostname;
+    target.port = website.port;
+    target.protocol = website.protocol;
+
+    let base = new URL(`/${options.prefix}`, request.url);
+
+    let headers: Record<string, string> = {
+      "X-Base-Url": base.toString(),
+    };
+    for (let [key, value] of request.headers.entries()) {
+      headers[key] = value;
+    }
+
+    let response = yield* call(fetch(target, {
+      redirect: "manual",
+      headers,
+    }));
+
+    if (response.status === 301) {
+      let location = response.headers.get("location");
+      if (location?.startsWith(String(website))) {
+        let headers: Record<string, string> = {};
+        for (let [key, value] of request.headers.entries()) {
+          headers[key] = value;
+        }
+
+        let url = new URL(request.url);
+        headers.location = location.replace(target.origin, url.origin);
+
+        response = new Response(null, {
+          status: response.status,
+          statusText: response.statusText,
+          headers,
+        });
+      }
+    }
+
+    return response;
+  };
+}