feat(type): Stringifyable

.vscode/settings.json

@@ -36,6 +36,7 @@
     "preconnect",
     "preload",
     "roundot",
+    "Stringifyable",
     "Superfast",
     "tnum",
     "tsbuildinfo",

core/type/src/type-helper.ts

@@ -1,7 +1,19 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
 
-export type Constructor<ClassType = Record<string, unknown>> = new (...args: any[]) => ClassType;
+export type Constructor<T> = new (...args: any[]) => T;
 
 export type MaybePromise<T> = T | Promise<T>;
 
 export type OmitFirstParam<F> = F extends (x: any, ...args: infer A) => infer R ? (...args: A) => R : never;
+
+/**
+ * Object that can be JSON.stringify.
+ */
+export type Stringifyable =
+    | string
+    | number
+    | boolean
+    | null
+    | undefined
+    | { [x: string]: Stringifyable }
+    | Array<Stringifyable>;