54 lines
1.5 KiB
JavaScript
54 lines
1.5 KiB
JavaScript
var parse = require('../parse/index.js')
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/**
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* @category Day Helpers
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* @summary Return the array of dates within the specified range.
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*
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* @description
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* Return the array of dates within the specified range.
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*
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* @param {Date|String|Number} startDate - the first date
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* @param {Date|String|Number} endDate - the last date
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* @param {Number} [step=1] - the step between each day
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* @returns {Date[]} the array with starts of days from the day of startDate to the day of endDate
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* @throws {Error} startDate cannot be after endDate
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*
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* @example
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* // Each day between 6 October 2014 and 10 October 2014:
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* var result = eachDay(
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* new Date(2014, 9, 6),
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* new Date(2014, 9, 10)
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* )
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* //=> [
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* // Mon Oct 06 2014 00:00:00,
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* // Tue Oct 07 2014 00:00:00,
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* // Wed Oct 08 2014 00:00:00,
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* // Thu Oct 09 2014 00:00:00,
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* // Fri Oct 10 2014 00:00:00
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* // ]
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*/
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function eachDay (dirtyStartDate, dirtyEndDate, dirtyStep) {
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var startDate = parse(dirtyStartDate)
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var endDate = parse(dirtyEndDate)
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var step = dirtyStep !== undefined ? dirtyStep : 1
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var endTime = endDate.getTime()
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if (startDate.getTime() > endTime) {
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throw new Error('The first date cannot be after the second date')
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}
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var dates = []
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var currentDate = startDate
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currentDate.setHours(0, 0, 0, 0)
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while (currentDate.getTime() <= endTime) {
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dates.push(parse(currentDate))
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currentDate.setDate(currentDate.getDate() + step)
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}
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return dates
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}
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module.exports = eachDay
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