feat: initial commit

src/utils/types/relation.ts

@@ -0,0 +1 @@
+export type Relation<T> = T;

src/utils/types/uuid.ts

@@ -0,0 +1,22 @@
+type HexChar =
+    | '0'
+    | '1'
+    | '2'
+    | '3'
+    | '4'
+    | '5'
+    | '6'
+    | '7'
+    | '8'
+    | '9'
+    | 'a'
+    | 'b'
+    | 'c'
+    | 'd'
+    | 'e'
+    | 'f';
+type UUIDv4Segment<Length extends number> =
+    `${HexChar extends string ? HexChar : never}${string extends `${Length}` ? never : never}`; // Simplified for brevity
+
+export type UUIDv4 =
+    `${UUIDv4Segment<8>}-${UUIDv4Segment<4>}-4${UUIDv4Segment<3>}-${'8' | '9' | 'a' | 'b'}${UUIDv4Segment<3>}-${UUIDv4Segment<12>}`;