imp: Now dates-related functions accepts both String & Date values.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@byloth/core",
-  "version": "1.5.2",
+  "version": "1.5.3",
   "description": "An unopinionated collection of useful functions and classes that I use widely in all my projects. 🔧",
   "keywords": [
     "Core",

src/index.ts

@@ -1,4 +1,4 @@
-export const VERSION = "1.5.2";
+export const VERSION = "1.5.3";
 
 export type { Constructor, Interval, Timeout } from "./core/types.js";
 

src/utils/date.ts

@@ -12,13 +12,19 @@ export enum DateUnit
     Year = 365 * Day
 }
 
-export function dateDifference(start: Date, end: Date, unit = DateUnit.Day): number
+export function dateDifference(start: string | Date, end: string | Date, unit = DateUnit.Day): number
 {
+    start = new Date(start);
+    end = new Date(end);
+
     return Math.floor((end.getTime() - start.getTime()) / unit);
 }
 
-export function dateRange(start: Date, end: Date, offset = DateUnit.Day): SmartIterator<Date>
+export function dateRange(start: string | Date, end: string | Date, offset = DateUnit.Day): SmartIterator<Date>
 {
+    start = new Date(start);
+    end = new Date(end);
+
     return new SmartIterator<Date>(function* ()
     {
         const endTime = end.getTime();
@@ -33,7 +39,9 @@ export function dateRange(start: Date, end: Date, offset = DateUnit.Day): SmartI
     });
 }
 
-export function dateRound(date: Date, unit = DateUnit.Day): Date
+export function dateRound(date: string | Date, unit = DateUnit.Day): Date
 {
+    date = new Date(date);
+
     return new Date(Math.floor(date.getTime() / unit) * unit);
 }