From 7cfa0faa7e607f484d91f17c3768223828275bd6 Mon Sep 17 00:00:00 2001
From: snowwwz <fun.xmxl@gmail.com>
Date: Thu, 3 Oct 2024 23:02:20 +0900
Subject: [PATCH] ZZZ offset for basic ISO

---
 src/datetime.js              | 8 ++++++--
 test/datetime/format.test.js | 1 +
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/datetime.js b/src/datetime.js
index d4b5424cf..5780c646b 100644
--- a/src/datetime.js
+++ b/src/datetime.js
@@ -266,12 +266,16 @@ function toISOTime(
     } else if (o.o < 0) {
       c += "-";
       c += padStart(Math.trunc(-o.o / 60));
-      c += ":";
+      if (extended) {
+        c += ":";
+      }
       c += padStart(Math.trunc(-o.o % 60));
     } else {
       c += "+";
       c += padStart(Math.trunc(o.o / 60));
-      c += ":";
+      if (extended) {
+        c += ":";
+      }
       c += padStart(Math.trunc(o.o % 60));
     }
   }
diff --git a/test/datetime/format.test.js b/test/datetime/format.test.js
index d598a38f7..ff7f7b335 100644
--- a/test/datetime/format.test.js
+++ b/test/datetime/format.test.js
@@ -247,6 +247,7 @@ test("DateTime#toISOTime() can omit the offset", () => {
 
 test("DateTime#toISOTime() can output the basic format", () => {
   expect(dt.toISOTime({ format: "basic" })).toBe("092354.123Z");
+  expect(dt.setZone("America/New_York").toISOTime({ format: "basic" })).toBe("052354.123-0400");
   const dt2 = dt.set({ second: 0, millisecond: 0 });
   expect(dt2.toISOTime({ format: "basic", suppressMilliseconds: true })).toBe("092300Z");
   expect(dt2.toISOTime({ format: "basic", suppressSeconds: true })).toBe("0923Z");