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20220330_Vote/Ewide.Web.Entry/wwwroot/lib/xe-utils/helperCreateGetDateWeek.js

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+var setupDefaults = require('./setupDefaults')
+
+var staticWeekTime = require('./staticWeekTime')
+
+var isNumber = require('./isNumber')
+var isValidDate = require('./isValidDate')
+var getWhatWeek = require('./getWhatWeek')
+
+var helperGetDateTime = require('./helperGetDateTime')
+
+function helperCreateGetDateWeek (getStartDate) {
+  return function (date, firstDay) {
+    var viewStartDay = isNumber(firstDay) ? firstDay : setupDefaults.firstDayOfWeek
+    var targetDate = getWhatWeek(date, 0, viewStartDay, viewStartDay)
+    if (isValidDate(targetDate)) {
+      var targetOffsetDate = new Date(targetDate.getFullYear(), targetDate.getMonth(), targetDate.getDate())
+      var targerStartDate = getStartDate(targetDate)
+      var targetFirstDay = targerStartDate.getDay()
+      if (targetFirstDay > viewStartDay) {
+        targerStartDate.setDate(7 - targetFirstDay + viewStartDay + 1)
+      }
+      if (targetFirstDay < viewStartDay) {
+        targerStartDate.setDate(viewStartDay - targetFirstDay + 1)
+      }
+      return Math.floor((helperGetDateTime(targetOffsetDate) - helperGetDateTime(targerStartDate)) / staticWeekTime + 1)
+    }
+    return NaN
+  }
+}
+
+module.exports = helperCreateGetDateWeek