initial public release.

src/types/projectTypes.ts

@@ -0,0 +1,16 @@
+import { Transform, type TransformFnParams } from 'class-transformer';
+
+export interface TimeSignature {
+    numerator: number;
+    denominator: number;
+}
+
+/**
+ * A reusable class-transformer decorator to apply a default value during deserialization.
+ * @param defaultValue The default value to apply if the field is undefined.
+ */
+export function WithDefault<T>(defaultValue: T) {
+    return Transform(({ value }: TransformFnParams) => value ?? defaultValue, {
+        toClassOnly: true,
+    });
+}