fix(dateTime): string parse fallbacks to native Date parser (#91)

Author: ValeraS

src/dateTime/dateTime.ts

@@ -854,7 +854,8 @@ function getTimestamp(
     } else if (format === undefined) {
         const [dateObject, timezoneOrOffset] = parseDateString(input);
         if (Object.keys(dateObject).length === 0) {
-            return [NaN, NaN];
+            // fallback to native Date parse
+            return getTimestamp(new Date(input), timezone, locale, format, fixedOffset);
         }
         [ts] = getTimestampFromObject(
             dateObject,

src/parser/parser.test.ts

@@ -34,6 +34,12 @@ describe('Parser', () => {
         expect(date).toEqual(TESTED_DATE_STRING);
     });
 
+    it('should return DateTime in case of using Date.toString() value', () => {
+        const nativeDate = new Date('2023-11-06T00:00:00.000Z');
+        const date = dateTimeParse(nativeDate.toString());
+        expect(date?.toISOString()).toEqual(nativeDate.toISOString());
+    });
+
     it('should return DateTime in case of using relative date string', () => {
         const date = dateTimeParse('now')?.toISOString();
         expect(date).toEqual(new Date().toISOString());