From f533d2f942a6e62d09e7093c3d9aa9350bcba2d8 Mon Sep 17 00:00:00 2001
From: Victor Giers <mail@victorgiers.com>
Date: Thu, 2 Apr 2026 20:57:29 +0200
Subject: [PATCH] Remove unnecessary type assertion in optional allowed value
 reading

---
 src/document/migrate-scene-document.ts | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/src/document/migrate-scene-document.ts b/src/document/migrate-scene-document.ts
index 434989e0..8c16c9fc 100644
--- a/src/document/migrate-scene-document.ts
+++ b/src/document/migrate-scene-document.ts
@@ -181,18 +181,16 @@ function readOptionalPositiveInteger(value: unknown, label: string, fallback: nu
   return integerValue;
 }
 
-function readOptionalAllowedValue<T extends string>(value: unknown, label: string, fallback: T, guard: (candidate: unknown) => candidate is T): T {
+function readOptionalAllowedValue<T>(value: unknown, label: string, fallback: T, guard: (candidate: unknown) => candidate is T): T {
   if (value === undefined) {
     return fallback;
   }
 
-  const stringValue = expectString(value, label);
-
-  if (!guard(stringValue)) {
+  if (!guard(value)) {
     throw new Error(`${label} must be a supported value.`);
   }
 
-  return stringValue as T;
+  return value;
 }
 
 function readAdvancedRenderingSettings(value: unknown): AdvancedRenderingSettings {