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December 22, 2016 14:01
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generate month (генерация месяца)
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const generateMonth = (date) => { | |
const getLocalDay = (date) => { | |
// конвертация в европейскую неделю | |
let day = date.getDay(); | |
if (day == 0) { // день 0 становится 7 | |
day = 7; | |
} | |
return day; | |
}; | |
const currentMonth = date.getMonth(); | |
const firstDate = new Date(date.getFullYear(), currentMonth, 1); | |
const lastDate = new Date(date.getFullYear(), currentMonth + 1, 0); | |
let month = []; | |
let week = []; | |
// заполнение пустых дней первой недели | |
for (let i = 1; i < getLocalDay(firstDate); i++) { | |
week.push(''); | |
} | |
for (let i = 1; i <= lastDate.getDate(); i++) { | |
const tmpDate = new Date(date.getFullYear(), currentMonth, i); | |
if (getLocalDay(tmpDate) == 1) { | |
if (week.length) month.push(week); | |
week = []; | |
} | |
week.push(i); | |
} | |
// заполнение пустых дней последней недели | |
for (let i = getLocalDay(lastDate); i < 7; i++) { | |
week.push(''); | |
} | |
if (week.length) month.push(week); | |
return month; | |
}; |
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