convert TimeUtil.java to TimeUtil.js

[jbfaden]

TimeUtil.java was always intended to be ported to other languages, and I'm curious how the port to JavaScript would go. I've been using the site https://www.jsweet.org/jsweet-live-sandbox/ to convert the code piece by piece, because it isn't working for the entire code, and it produces somewhat unreadable code anyway.

This is a table of function name in Java and if it is ported to JavaScript:

Java	JavaScript
final int TIME_DIGITS = 7;	Y
final int DATE_DIGITS = 3;	Y
String reformatIsoTime(String exampleForm, String time)	Y
String monthNameAbbrev(int i)	Y
int monthNumber(String s) throws ParseException	Y
String[] countOffDays(String startTime, String stopTime)	Y
String nextDay(String day)	Y
String previousDay(String day)	Y
String ceil(String time)	Y
String floor(String time)	Y
String normalizeTimeString(String time)	Y
String isoTimeFromArray(int[] nn)	Y
String formatIso8601TimeRange( int[] nn )	Y
String formatIso8601Time( int[] nn, int offset )	Y
String formatIso8601Time( int[] nn )	Y
String formatIso8601Duration(int[] nn)	Y
int[] now()	Y
int[] isoTimeToArray(String time)	Y
int dayOfYear(int year, int month, int day)	Y
int monthForDayOfYear( int year, int doy )	Y
long toMillisecondsSince1970(String time)	Y
void normalizeTime(int[] time)	Y
int dayOfWeek( int year, int month, int day )	Y
void fromWeekOfYear( int year, int weekOfYear, int[] time )	Y
int[] parseISO8601Duration(String stringIn)	Y
int[] parseISO8601Time( String string )	Y
int[] parseISO8601TimeRange(String stringIn)	Y
int julianDay(int year, int month, int day)	Y
int[] fromJulianDay(int julian)	Y
int[] subtract(int[] base, int[] offset)	Y
int[] add(int[] base, int[] offset)	Y

[jbfaden]

I found a new route to get this working. If I take the entire code, then replace toMillisecondsSince1970(time) and now() with stubs, remove the Logger statements, it can translate.

[jbfaden]

If there's a way to make the symbols be TimeUtil.xxx(), it would be much easier to make the translation. It would probably be nice to have the functions in a special namespace anyway.

[rweigel]

TimeUtil = {} TimeUtil.xxx = function (a) {return "yyy"+a} TimeUtil.xxx("q")

On Sun, Apr 10, 2022 at 8:16 AM Jeremy Faden @.***> wrote:

If there's a way to make the symbols be TimeUtil.xxx(), it would be much easier to make the translation. It would probably be nice to have the functions in a special namespace anyway.

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[jbfaden]

Thanks, Bob. When I do the URI_Templates code, I'll use this form, and then I'll go back to the TimeUtil script.

[jbfaden]

This was moved over to https://github.com/hapi-server/uri-templates/issues/13

[jbfaden]

This task is done. See https://github.com/hapi-server/uri-templates/issues/13. Closing.