feat(event): support event.url (#455)

src/event/event.ts

@@ -1,7 +1,12 @@
 import type { IncomingHttpHeaders } from "node:http";
 import type { H3EventContext, HTTPMethod } from "../types";
 import type { NodeIncomingMessage, NodeServerResponse } from "../node";
-import { MIMES, sanitizeStatusCode, sanitizeStatusMessage } from "../utils";
+import {
+  MIMES,
+  getRequestURL,
+  sanitizeStatusCode,
+  sanitizeStatusMessage,
+} from "../utils";
 import { H3Response } from "./response";
 
 const DOUBLE_SLASH_RE = /[/\\]{2,}/g; // TODO: Dedup from request.ts
@@ -22,6 +27,7 @@ export class H3Event implements Pick<FetchEvent, "respondWith"> {
   _method: HTTPMethod | undefined;
   _headers: Headers | undefined;
   _path: string | undefined;
+  _url: URL | undefined;
 
   // Response
   _handled = false;
@@ -45,6 +51,13 @@ export class H3Event implements Pick<FetchEvent, "respondWith"> {
     return this._path;
   }
 
+  get url() {
+    if (!this._url) {
+      this._url = getRequestURL(this);
+    }
+    return this._url;
+  }
+
   get handled(): boolean {
     return (
       this._handled || this.node.res.writableEnded || this.node.res.headersSent

src/utils/request.ts

@@ -124,6 +124,6 @@ export function getRequestURL(
 ) {
   const host = getRequestHost(event, opts);
   const protocol = getRequestProtocol(event);
-  const path = getRequestPath(event);
+  const path = event.path;
   return new URL(path, `${protocol}://${host}`);
 }

test/event.test.ts

@@ -49,4 +49,15 @@ describe("Event", () => {
     expect(headers.find(([key]) => key === "x-test")[1]).toBe("works");
     expect(headers.find(([key]) => key === "cookie")[1]).toBe("a; b");
   });
+
+  it("can get request url", async () => {
+    app.use(
+      "/",
+      eventHandler((event) => {
+        return event.url;
+      })
+    );
+    const result = await request.get("/hello");
+    expect(result.text).toMatch(/http:\/\/127.0.0.1:\d+\/hello/);
+  });
 });