fix: Fix timezone plugin conversion bug (#1073)

splashwizard · Sep 25, 2020 · 16816a3 · 16816a3
1 parent cbb755e
commit 16816a3
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/src/plugin/timezone/index.js b/src/plugin/timezone/index.js
@@ -83,7 +83,7 @@ export default (o, c, d) => {
   proto.tz = function (timezone = defaultTimezone) {
     const target = this.toDate().toLocaleString('en-US', { timeZone: timezone })
     const diff = Math.round((this.toDate() - new Date(target)) / 1000 / 60)
-    const ins = d(target).utcOffset(localUtcOffset - diff, true).$set(ms, this.$ms)
+    const ins = d(target).$set(ms, this.$ms).utcOffset(localUtcOffset - diff, true)
     ins.$x.$timezone = timezone
     return ins
   }

diff --git a/test/plugin/timezone.test.js b/test/plugin/timezone.test.js
@@ -86,6 +86,13 @@ describe('Convert', () => {
     })
   })
 
+  it('convert from time with timezone to target time', () => {
+    const losAngelesInUTC = dayjs('2014-06-01T05:00:00-07:00').tz('UTC')
+    const MlosAngelesInUTC = moment('2014-06-01T05:00:00-07:00').tz('UTC')
+    expect(losAngelesInUTC.format()).toBe('2014-06-01T12:00:00Z')
+    expect(losAngelesInUTC.format()).toBe(MlosAngelesInUTC.format())
+  })
+
   it('DST', () => {
     [dayjs, moment].forEach((_) => {
       const jun = _('2014-06-01T12:00:00Z')