fix: graphql playground proxying

Author: haydenshively

README.md

@@ -20,8 +20,8 @@ Pandvil provides a Docker-based testing environment that:
 We haven't set up NPM yet, but you can download from GitHub like so:
 
 ```bash
-# Replace v0.0.14 with whatever version you want
-pnpm add -D https://github.com/morpho-org/pandvil/releases/download/v0.0.14/package.tgz
+# Replace v0.0.15 with whatever version you want
+pnpm add -D https://github.com/morpho-org/pandvil/releases/download/v0.0.15/package.tgz
 ```
 
 ## Setup

package.json

@@ -1,7 +1,7 @@
 {
   "name": "@morpho-org/pandvil",
   "description": "A testing environment for ponder that supports chain forking via anvil",
-  "version": "0.0.14",
+  "version": "0.0.15",
   "author": "Morpho Association <[email protected]>",
   "contributors": [
     "Hayden Shively <[email protected]>"

src/server/server.ts

@@ -314,7 +314,9 @@ export function startServer({
     }
 
     try {
-      return proxy(`${instance.apiUrl}${c.req.path}`, c.req);
+      const { search } = new URL(c.req.url);
+      const target = new URL(c.req.path, instance.apiUrl);
+      return proxy(`${target}${search}`, c.req);
     } catch {
       return c.json({ error: "Instance not up yet." }, 503);
     }