added codes hinting diff

CHANGELOG.md

@@ -321,10 +321,16 @@ fixed some issues and configured files for publishing diff-ymd-package v2.0.2 on
 
 - added diff-ymd-package.d.ts to resolve the types issue
 
+### [v3.1.4]
+
+#### Fixed
+
+- added type for global Date integrated diff method in diff-ymd-package.d.ts for hinting in editor
+
 ### [Next Release] - Collecting issues and new features for next release
 
 ### Important changes links:
 
-- [Unreleased](https://github.com/farhan7reza7/diff-ymd-package/compare/v3.1.3...HEAD)
-- [v3.1.3](https://github.com/farhan7reza7/diff-ymd-package/releases/tag/v3.1.3)
+- [Unreleased](https://github.com/farhan7reza7/diff-ymd-package/compare/v3.1.4...HEAD)
+- [v3.1.4](https://github.com/farhan7reza7/diff-ymd-package/releases/tag/v3.1.4)
 - [Next Release](https://github.com/farhan7reza7/diff-ymd-package/milestone/2)

diff-ymd-package.d.ts

@@ -26,6 +26,13 @@ declare function diffDates(
   secondDate: string | number | Date,
 ): DatesYMD;
 
+// Extend the global Date interface to add the `diff` method
+declare global {
+  interface Date {
+    diff(secondDate: string | number | Date): DatesYMD;
+  }
+}
+
 // The hybrid CommonJS module export:
 declare const diffYMDPackage: typeof DatesYMD & {
   diffDates: typeof diffDates;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "diff-ymd-package",
-  "version": "3.1.3",
+  "version": "3.1.4",
   "description": "A javascript library for calculating the difference between two dates in formatted ways like (aY bM cD)(aYears bMonths cDays) or customized desired formats like aY-bM-cD or aYears-bMonths-cDays or kDays or mWeeks or nMonths etc.",
   "main": "lib/index.js",
   "scripts": {