feat: add format param

Author: yanglbme

src/cors.ts

@@ -26,6 +26,17 @@ export function jsonResponse(env: Env, data: unknown, status = 200): Response {
 	});
 }
 
+/** Build a plain-text response with CORS headers */
+export function textResponse(env: Env, text: string, status = 200): Response {
+	return new Response(text, {
+		status,
+		headers: {
+			'Content-Type': 'text/markdown; charset=utf-8',
+			...getCorsHeaders(env),
+		},
+	});
+}
+
 /** Shorthand for an error JSON response */
 export function errorResponse(env: Env, message: string, status = 400): Response {
 	return jsonResponse(env, { success: false, error: message }, status);

src/index.ts

@@ -11,7 +11,7 @@
  * Response: { success, url, name, mimeType, tokens, markdown }
  */
 
-import { handlePreflight, jsonResponse, errorResponse } from './cors';
+import { handlePreflight, jsonResponse, errorResponse, textResponse } from './cors';
 import { robustFetch } from './fetch';
 import { extractTitle, preprocessHtml } from './html';
 import { collectImageUrls, rewriteImageUrls, uploadImages } from './r2';
@@ -42,13 +42,17 @@ export default {
 
 		// --- Parse target URL from request ---
 		let targetUrl: string | null = null;
+		let rawFormat = false;
 
 		if (request.method === 'GET') {
-			targetUrl = new URL(request.url).searchParams.get('url');
+			const params = new URL(request.url).searchParams;
+			targetUrl = params.get('url');
+			rawFormat = params.get('format') === 'raw';
 		} else if (request.method === 'POST') {
 			try {
-				const body = (await request.json()) as { url?: string };
+				const body = (await request.json()) as { url?: string; format?: string };
 				targetUrl = body.url ?? null;
+				rawFormat = body.format === 'raw';
 			} catch {
 				return errorResponse(env, 'Invalid JSON body. Expected: { "url": "https://..." }');
 			}
@@ -130,6 +134,11 @@ export default {
 				}
 			}
 
+			// Return raw Markdown text or JSON envelope
+			if (rawFormat) {
+				return textResponse(env, markdown);
+			}
+
 			return jsonResponse(env, {
 				success: true,
 				url: targetUrl,