languages/dart-sdk
languages/dart-sdk
1
0
Fork 0
mirror of https://github.com/dart-lang/sdk synced 2024-11-02 08:07:11 +00:00
Code Issues Projects Releases Packages Wiki Activity

[dart2wasm] Implement unimplemented methods in DateTime.

Browse source 
Change-Id: Ia84d2e65ab6207fc70f6f8380c18ba3b89f7400f
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/251590
Reviewed-by: Aske Simon Christensen <askesc@google.com>
Commit-Queue: Joshua Litt <joshualitt@google.com>
This commit is contained in:
Joshua Litt 2022-07-27 00:50:47 +00:00 committed by Commit Bot
parent fe78a23e9a
commit 63a9057f12
2 changed files with 25 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
pkg/dart2wasm/bin/run_wasm.js
View file

@ -163,6 +163,19 @@ var dart2wasm = {
var factoryFunction = constructor.bind.apply(constructor, [null, ...args]);
return new factoryFunction();
},
getTimeZoneNameForSeconds: function(secondsSinceEpoch) {
var date = new Date(secondsSinceEpoch * 1000);
var match = /\((.*)\)/.exec(date.toString());
if (match == null) {
// This should never happen on any recent browser.
return '';
}
return stringToDartString(match[1]);
},
getTimeZoneOffsetInSeconds: function(secondsSinceEpoch) {
return new Date(secondsSinceEpoch * 1000).getTimezoneOffset() * 60;
},
};
function instantiate(filename, imports) {

19
sdk/lib/_internal/wasm/lib/date_patch.dart
View file

@ -17,16 +17,19 @@ external double _jsDateNow();
class DateTime {
// Natives.
// The natives have been moved up here to work around Issue 10401.
@pragma("vm:external-name", "DateTime_currentTimeMicros")
static int _getCurrentMicros() =>
(_jsDateNow() * Duration.microsecondsPerMillisecond).toInt();
@pragma("vm:external-name", "DateTime_timeZoneName")
external static String _timeZoneNameForClampedSeconds(int secondsSinceEpoch);
@pragma("wasm:import", "dart2wasm.getTimeZoneNameForSeconds")
external static String _timeZoneNameForClampedSecondsRaw(
double secondsSinceEpoch);
@pragma("vm:external-name", "DateTime_timeZoneOffsetInSeconds")
external static int _timeZoneOffsetInSecondsForClampedSeconds(
int secondsSinceEpoch);
static String _timeZoneNameForClampedSeconds(int secondsSinceEpoch) =>
_timeZoneNameForClampedSecondsRaw(secondsSinceEpoch.toDouble());
@pragma("wasm:import", "dart2wasm.getTimeZoneOffsetInSeconds")
external static double _timeZoneOffsetInSecondsForClampedSeconds(
double secondsSinceEpoch);
static const _MICROSECOND_INDEX = 0;
static const _MILLISECOND_INDEX = 1;
@ -424,7 +427,9 @@ class DateTime {
static int _timeZoneOffsetInSeconds(int microsecondsSinceEpoch) {
int equivalentSeconds = _equivalentSeconds(microsecondsSinceEpoch);
return _timeZoneOffsetInSecondsForClampedSeconds(equivalentSeconds);
return _timeZoneOffsetInSecondsForClampedSeconds(
equivalentSeconds.toDouble())
.toInt();
}
static String _timeZoneName(int microsecondsSinceEpoch) {