RPCPlayground

packages/server/package.json

@@ -11,7 +11,8 @@
     "@todo-tests/common": "workspace:*",
     "@trpc/server": "^10.45.2",
     "effect": "^3.4.6",
-    "express": "^4.19.2"
+    "express": "^4.19.2",
+    "trpc-playground": "^1.0.4"
   },
   "devDependencies": {
     "@types/express": "^4.17.21",

packages/server/src/index.ts

@@ -6,6 +6,7 @@ import { ServicesLive } from "./Services"
 import { TodoRepository, createDefaultTodos } from "./TodoRepository"
 import { ExpressApp } from "./express/ExpressApp"
 import { ExpressHTTPServer } from "./express/ExpressHTTPServer"
+import { RPCPlayground } from "./rpc/RPCPlayground"
 import { RPCServer } from "./rpc/RPCServer"
 import { RPCProcedureBuilder } from "./rpc/procedures/RPCProcedureBuilder"
 import { TRPCBuilder } from "./trpc/TRPCBuilder"
@@ -14,6 +15,7 @@ import { TRPCContextCreator } from "./trpc/TRPCContextCreator"
 
 const ServerLive = ExpressHTTPServer.Live.pipe(
     Layer.provide(RPCServer.Live),
+    Layer.provide(RPCPlayground.Dev),
     Layer.provide(RPCProcedureBuilder.Live),
     Layer.provide(TRPCBuilder.Live),
     Layer.provide(TRPCContextCreator.Live),

packages/server/src/rpc/RPCPlayground.ts

@@ -0,0 +1,25 @@
+import { Config, Effect, Layer } from "effect"
+import { expressHandler } from "trpc-playground/handlers/express"
+import { ExpressApp } from "../express/ExpressApp"
+import { appRouter } from "./routers"
+
+
+export module RPCPlayground {
+    export const Live = Layer.empty
+
+    export const Dev = Layer.effectDiscard(Effect.gen(function*() {
+        const app                = yield* ExpressApp
+        const router             = yield* appRouter
+
+        const playgroundEndpoint = yield* Config.string("RPC_PANEL_ROOT").pipe(Config.withDefault("/rpc/playground"))
+        const trpcApiEndpoint    = yield* Config.string("RPC_ROOT").pipe(Config.withDefault("/rpc"))
+
+        app.use(playgroundEndpoint,
+            yield* Effect.promise(() => expressHandler({
+                trpcApiEndpoint,
+                playgroundEndpoint,
+                router,
+            }))
+        )
+    }))
+}