fix: added inAmsterdam, inLondon, inNewYork to DateTime

Author: Sander Hoogendoorn

packages/easy/src/domain/DateTime.ts

@@ -118,6 +118,18 @@ export class DateTime extends Value<Optional<string>> {
     return new DateTime(this.luxon.setZone(zone) as any);
   }
 
+  inAmsterdam(): DateTime {
+    return this.withZone('Europe/Amsterdam');
+  }
+
+  inNewYork(): DateTime {
+    return this.withZone('America/New_York');
+  }
+
+  inLondon(): DateTime {
+    return this.withZone('Europe/London');
+  }
+
   toString(): string {
     return this.value ?? '';
   }

packages/easy/test/domain/DateTime.test.ts

@@ -444,4 +444,19 @@ describe('DateTime', () => {
     const result = start.withClock(clock);
     expect(result).toMatchText('2021-02-06T03:03:01.000Z');
   });
+
+  test('inAmsterdam', () => {
+    const d = new DateTime(iso).inAmsterdam();
+    expect(d).toMatchText('2021-03-25T09:39:44.000+01:00');
+  });
+
+  test('inNewYork', () => {
+    const d = new DateTime(iso).inNewYork();
+    expect(d).toMatchText(new_york);
+  });
+
+  test('inLondon', () => {
+    const d = new DateTime(iso).inLondon();
+    expect(d).toMatchText('2021-03-25T08:39:44.000+00:00');
+  });
 });