From 1566cf1b3946070964d18b1b5ad1769b3913f560 Mon Sep 17 00:00:00 2001
From: Felix Nagel <info@felixnagel.com>
Date: Mon, 16 Nov 2015 22:30:51 +0100
Subject: [PATCH] Calendar: Remove Globalize.cldr.supplemental.weekData
 dependency

---
 tests/unit/date/helper.js |  2 +-
 ui/date.js                | 12 +-----------
 ui/widgets/calendar.js    |  4 +++-
 3 files changed, 5 insertions(+), 13 deletions(-)

diff --git a/tests/unit/date/helper.js b/tests/unit/date/helper.js
index fa9c9cf66..3c8056e6a 100644
--- a/tests/unit/date/helper.js
+++ b/tests/unit/date/helper.js
@@ -12,7 +12,7 @@ return $.extend( helper, {
 			weekdayNarrowFormatter = globalize.dateFormatter( { raw: "EEEEE" } );
 
 		return {
-			firstDay: globalize.cldr.supplemental.weekData.firstDay(),
+			firstDay: ( 6 - globalize.dateFormatter( { raw: "c" } )( new Date( 1970, 0, 3 ) ) + 1 ),
 			formatWeekdayShort: function( date ) {
 
 				// Return the short weekday if its length is < 3. Otherwise, its narrow form.
diff --git a/ui/date.js b/ui/date.js
index 2d94f1083..41effff2b 100644
--- a/ui/date.js
+++ b/ui/date.js
@@ -17,16 +17,6 @@
 	}
 }( function( $ ) {
 
-var weekdaysRev = {
-		"sun": 0,
-		"mon": 1,
-		"tue": 2,
-		"wed": 3,
-		"thu": 4,
-		"fri": 5,
-		"sat": 6
-	};
-
 $.ui.date = function( date, attributes ) {
 	if ( !( this instanceof $.ui.date ) ) {
 		return new $.ui.date( date, attributes );
@@ -47,7 +37,7 @@ $.extend( $.ui.date.prototype, {
 
 	setAttributes: function( attributes ) {
 		this.attributes = attributes;
-		this.firstDay = weekdaysRev[ this.attributes.firstDay ];
+		this.firstDay = this.attributes.firstDay;
 	},
 
 	// TODO: Same as the underlying Date object's terminology, but still misleading.
diff --git a/ui/widgets/calendar.js b/ui/widgets/calendar.js
index cb777ef01..25bb79be4 100644
--- a/ui/widgets/calendar.js
+++ b/ui/widgets/calendar.js
@@ -201,7 +201,9 @@ return $.widget( "ui.calendar", {
 		this._format = globalize.dateFormatter( dateFormat );
 		this._parse = globalize.dateParser( dateFormat );
 		this._calendarDateOptions = {
-			firstDay: globalize.cldr.supplemental.weekData.firstDay(),
+
+			// Calculate localized first day of week (reference is first saturday)
+			firstDay: ( 6 - globalize.dateFormatter( { raw: "c" } )( new Date( 1970, 0, 3 ) ) + 1 ),
 			formatWeekdayShort: function( date ) {
 
 				// Return the short weekday if its length is < 3. Otherwise, its narrow form.