types(util): add Split (#834)

src/types/util.ts

@@ -40,6 +40,12 @@ export type StringDigit =
   | "8"
   | "9";
 
+export type Split<S extends string, D extends string> = string extends S
+  ? string[]
+  : S extends "" ? []
+  : S extends `${infer T}${D}${infer U}` ? [T, ...Split<U, D>]
+  : [S];
+
 export type SplitIncludingDelimiters<
   Source extends string,
   Delimiter extends string,