From b979893f173cdf90fe9627f266906b64a14b3bd2 Mon Sep 17 00:00:00 2001
From: Zachary Snow <zachary.snow@gmail.com>
Date: Thu, 25 Jul 2024 14:49:19 +0200
Subject: [PATCH] Throw an error in denoFromPlatformCallback.

---
 examples/play-wav/main.ts | 2 +-
 src/deno/_callbacks.ts    | 7 ++++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/examples/play-wav/main.ts b/examples/play-wav/main.ts
index 41ed5ce..be16ab1 100644
--- a/examples/play-wav/main.ts
+++ b/examples/play-wav/main.ts
@@ -25,7 +25,7 @@ const main = (): number => {
       wavLengthBox
     ) == null
   ) {
-    console.error("ERROR: Faield to load wav file.");
+    console.error("ERROR: Failed to load wav file.");
     return 1;
   }
 
diff --git a/src/deno/_callbacks.ts b/src/deno/_callbacks.ts
index 37d722a..9b7981e 100644
--- a/src/deno/_callbacks.ts
+++ b/src/deno/_callbacks.ts
@@ -1,5 +1,6 @@
 import { DynamicCallbackDefinition } from "../_library.ts";
 import { PlatformCallback } from "../_types.ts";
+import { SDLError } from "../error.ts";
 import { Callback } from "../types.ts";
 
 interface CallbackInternal extends Callback {
@@ -7,10 +8,10 @@ interface CallbackInternal extends Callback {
 }
 
 export function denoFromPlatformCallback<T extends Callback>(
-  callback: PlatformCallback,
-  definition: DynamicCallbackDefinition<T>
+  _callback: PlatformCallback,
+  _definition: DynamicCallbackDefinition<T>
 ): T {
-  return null as unknown as T;
+  throw new SDLError(`${denoFromPlatformCallback.name} not implemented.`);
 }
 
 export function denoToPlatformCallback<T extends Callback>(