Update charted to 0.4.8 and roll

packages/intl/lib/date_symbols.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 library date_symbols;
 
-/**
- * This holds onto information about how a particular locale formats dates. It
- * contains mostly strings, e.g. what the names of months or weekdays are,
- * but also indicates things like the first day of the week. We expect the data
- * for instances of these to be generated out of ICU or a similar reference
- * source. This is used in conjunction with the date_time_patterns, which
- * defines for a particular locale the different named formats that will
- * make use of this data.
- */
+/// This holds onto information about how a particular locale formats dates. It
+/// contains mostly strings, e.g. what the names of months or weekdays are,
+/// but also indicates things like the first day of the week. We expect the data
+/// for instances of these to be generated out of ICU or a similar reference
+/// source. This is used in conjunction with the date_time_patterns, which
+/// defines for a particular locale the different named formats that will
+/// make use of this data.
 class DateSymbols {
   String NAME;
   List<String> ERAS,
       ERANAMES,
       NARROWMONTHS,
       STANDALONENARROWMONTHS,
       MONTHS,
       STANDALONEMONTHS,
       SHORTMONTHS,
       STANDALONESHORTMONTHS,
@@ skipping 24 matching lines @@
       // where there's only a fixed set of available formats.
       // Here we have the patterns separately. These should
       // either be used, or removed.
       this.DATEFORMATS, this.TIMEFORMATS, this.AVAILABLEFORMATS,
       this.FIRSTDAYOFWEEK, this.WEEKENDRANGE, this.FIRSTWEEKCUTOFFDAY,
       this.DATETIMEFORMATS});
 
   // TODO(alanknight): Replace this with use of a more general serialization
   // facility once one is available. Issue 4926.
   DateSymbols.deserializeFromMap(Map map) {
+    List<String> _getStringList(String name) => new List<String>.from(map[name]);
     NAME = map["NAME"];
-    ERAS = map["ERAS"];
-    ERANAMES = map["ERANAMES"];
-    NARROWMONTHS = map["NARROWMONTHS"];
-    STANDALONENARROWMONTHS = map["STANDALONENARROWMONTHS"];
-    MONTHS = map["MONTHS"];
-    STANDALONEMONTHS = map["STANDALONEMONTHS"];
-    SHORTMONTHS = map["SHORTMONTHS"];
-    STANDALONESHORTMONTHS = map["STANDALONESHORTMONTHS"];
-    WEEKDAYS = map["WEEKDAYS"];
-    STANDALONEWEEKDAYS = map["STANDALONEWEEKDAYS"];
-    SHORTWEEKDAYS = map["SHORTWEEKDAYS"];
-    STANDALONESHORTWEEKDAYS = map["STANDALONESHORTWEEKDAYS"];
-    NARROWWEEKDAYS = map["NARROWWEEKDAYS"];
-    STANDALONENARROWWEEKDAYS = map["STANDALONENARROWWEEKDAYS"];
-    SHORTQUARTERS = map["SHORTQUARTERS"];
-    QUARTERS = map["QUARTERS"];
-    AMPMS = map["AMPMS"];
-    DATEFORMATS = map["DATEFORMATS"];
-    TIMEFORMATS = map["TIMEFORMATS"];
-    AVAILABLEFORMATS = map["AVAILABLEFORMATS"];
+    ERAS = _getStringList("ERAS");
+    ERANAMES = _getStringList("ERANAMES");
+    NARROWMONTHS = _getStringList("NARROWMONTHS");
+    STANDALONENARROWMONTHS = _getStringList("STANDALONENARROWMONTHS");
+    MONTHS = _getStringList("MONTHS");
+    STANDALONEMONTHS = _getStringList("STANDALONEMONTHS");
+    SHORTMONTHS = _getStringList("SHORTMONTHS");
+    STANDALONESHORTMONTHS = _getStringList("STANDALONESHORTMONTHS");
+    WEEKDAYS = _getStringList("WEEKDAYS");
+    STANDALONEWEEKDAYS = _getStringList("STANDALONEWEEKDAYS");
+    SHORTWEEKDAYS = _getStringList("SHORTWEEKDAYS");
+    STANDALONESHORTWEEKDAYS = _getStringList("STANDALONESHORTWEEKDAYS");
+    NARROWWEEKDAYS = _getStringList("NARROWWEEKDAYS");
+    STANDALONENARROWWEEKDAYS = _getStringList("STANDALONENARROWWEEKDAYS");
+    SHORTQUARTERS = _getStringList("SHORTQUARTERS");
+    QUARTERS = _getStringList("QUARTERS");
+    AMPMS = _getStringList("AMPMS");
+    DATEFORMATS = _getStringList("DATEFORMATS");
+    TIMEFORMATS = _getStringList("TIMEFORMATS");
+    AVAILABLEFORMATS = new Map<String, String>.from(map["AVAILABLEFORMATS"] ?? {});
     FIRSTDAYOFWEEK = map["FIRSTDAYOFWEEK"];
-    WEEKENDRANGE = map["WEEKENDRANGE"];
+    WEEKENDRANGE = new List<int>.from(map["WEEKENDRANGE"]);
     FIRSTWEEKCUTOFFDAY = map["FIRSTWEEKCUTOFFDAY"];
-    DATETIMEFORMATS = map["DATETIMEFORAMTS"];
+    DATETIMEFORMATS = _getStringList("DATETIMEFORMATS");
   }
 
   Map serializeToMap() => {
     "NAME": NAME,
     "ERAS": ERAS,
     "ERANAMES": ERANAMES,
     "NARROWMONTHS": NARROWMONTHS,
     "STANDALONENARROWMONTHS": STANDALONENARROWMONTHS,
     "MONTHS": MONTHS,
     "STANDALONEMONTHS": STANDALONEMONTHS,
@@ skipping 13 matching lines @@
     "AVAILABLEFORMATS": AVAILABLEFORMATS,
     "FIRSTDAYOFWEEK": FIRSTDAYOFWEEK,
     "WEEKENDRANGE": WEEKENDRANGE,
     "FIRSTWEEKCUTOFFDAY": FIRSTWEEKCUTOFFDAY,
     "DATETIMEFORMATS": DATETIMEFORMATS,
   };
 
   toString() => NAME;
 }
 
-/**
- * We hard-code the locale data for en_US here so that there's at least one
- * locale always available.
- */
+/// We hard-code the locale data for en_US here so that there's at least one
+/// locale always available.
 var en_USSymbols = new DateSymbols(
     NAME: "en_US",
     ERAS: const ['BC', 'AD'],
     ERANAMES: const ['Before Christ', 'Anno Domini'],
     NARROWMONTHS: const [
   'J',
   'F',
   'M',
   'A',
   'M',
@@ skipping 164 matching lines @@
   'jmz': 'h:mm a z', // HOUR_MINUTETZ
   'jz': 'h a z', // HOURGENERIC_TZ
   'm': 'm', // MINUTE
   'ms': 'mm:ss', // MINUTE_SECOND
   's': 's', // SECOND
   'v': 'v', // ABBR_GENERIC_TZ
   'z': 'z', // ABBR_SPECIFIC_TZ
   'zzzz': 'zzzz', // SPECIFIC_TZ
   'ZZZZ': 'ZZZZ' // ABBR_UTC_TZ
 };