v18.1.56 is released

Author: pipeline

controls/base/CHANGELOG.md

@@ -2,6 +2,14 @@
 
 ## [Unreleased]
 
+## 18.1.56 (2020-06-09)
+
+### Common
+
+#### New Features
+
+- Provided week of year date formatting support.
+
 ## 18.1.53 (2020-05-19)
 
 ### Common

controls/base/dist/ej2-base.umd.min.js

@@ -806,7 +806,7 @@ var ParserBase = /** @class */ (function () {
     HijriParser.toGregorian = toGregorian;
 })(exports.HijriParser || (exports.HijriParser = {}));
 
-var abbreviateRegexGlobal = /\/MMMMM|MMMM|MMM|a|LLL|EEEEE|EEEE|E|K|cccc|ccc|G+|z+/gi;
+var abbreviateRegexGlobal = /\/MMMMM|MMMM|MMM|a|LLL|EEEEE|EEEE|E|K|cccc|ccc|WW|W|G+|z+/gi;
 var standalone = 'stand-alone';
 var weekdayKey = ['sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat'];
 
@@ -1036,6 +1036,10 @@ var DateFormat = /** @class */ (function () {
                 case '/':
                     ret += options.dateSeperator;
                     break;
+                case 'W':
+                    isNumber = true;
+                    curval = exports.IntlBase.getWeekOfYear(value);
+                    break;
                 default:
                     ret += match;
             }
@@ -1528,6 +1532,10 @@ var DateParser = /** @class */ (function () {
                             parseOptions.hour12 = true;
                         }
                         break;
+                    case 'W':
+                        var opt = len === 1 ? '?' : '';
+                        regexString += '(' + nRegx + opt + nRegx + ')';
+                        break;
                     case 'y':
                         canUpdate = isNumber = true;
                         if (len === 2) {
@@ -3436,6 +3444,31 @@ var blazorCultureFormats = {
         return firstDayMapper[firstDay];
     }
     IntlBase.getWeekData = getWeekData;
+    /**
+     * @private
+     */
+    function getWeekOfYear(date) {
+        var newYear = new Date(date.getFullYear(), 0, 1);
+        var day = newYear.getDay();
+        var weeknum;
+        day = (day >= 0 ? day : day + 7);
+        var daynum = Math.floor((date.getTime() - newYear.getTime() -
+            (date.getTimezoneOffset() - newYear.getTimezoneOffset()) * 60000) / 86400000) + 1;
+        if (day < 4) {
+            weeknum = Math.floor((daynum + day - 1) / 7) + 1;
+            if (weeknum > 52) {
+                var nYear = new Date(this.getFullYear() + 1, 0, 1);
+                var nday = nYear.getDay();
+                nday = nday >= 0 ? nday : nday + 7;
+                weeknum = nday < 4 ? 1 : 53;
+            }
+        }
+        else {
+            weeknum = Math.floor((daynum + day - 1) / 7);
+        }
+        return weeknum;
+    }
+    IntlBase.getWeekOfYear = getWeekOfYear;
 })(exports.IntlBase || (exports.IntlBase = {}));
 
 var headerRegex = /^(.*?):[ \t]*([^\r\n]*)$/gm;