content: fix example in h3 towards the edge of the web blog post (#190)

Co-authored-by: Pooya Parsa <[email protected]>

content/5.blog/2023-08-15-h3-towards-the-edge-of-the-web.md

@@ -137,9 +137,14 @@ const userSchema = z.object({
 })
 
 export default defineEventHandler(async (event) => {
-  const user = await readValidatedBody(event, userSchema.safeParse) // or `.parse` to throw an error
+  const result = await readValidatedBody(event, body => userSchema.safeParse(body).data) // or `.parse` to directly throw an error
+
+  if (!result.success) {
+     throw result.error.issues;
+  }
+
   // User object is validated and typed!
-  return user
+  return result.data
 })
 ```