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