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Merge pull request #1674 from SergioCrisostomo/DRY-optimizations

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Date utils improvements and specs
This commit is contained in:
Aresn 2017-08-24 15:48:23 +08:00 • committed by GitHub
commit af4e91ca51
2 changed files with 82 additions and 45 deletions
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60
src/components/date-picker/util.js
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@ -17,19 +17,7 @@ export const parseDate = function(string, format) {
};
export const getDayCountOfMonth = function(year, month) {
if (month === 3 || month === 5 || month === 8 || month === 10) {
return 30;
}
if (month === 1) {
if (year % 4 === 0 && year % 100 !== 0 || year % 400 === 0) {
return 29;
} else {
return 28;
}
}
return 31;
return new Date(year, month + 1, 0).getDate();
};
export const getFirstDayOfMonth = function(date) {
@ -38,48 +26,30 @@ export const getFirstDayOfMonth = function(date) {
return temp.getDay();
};
export const prevMonth = function(src) {
const year = src.getFullYear();
const month = src.getMonth();
const date = src.getDate();
const newYear = month === 0 ? year - 1 : year;
const newMonth = month === 0 ? 11 : month - 1;
const newMonthDayCount = getDayCountOfMonth(newYear, newMonth);
if (newMonthDayCount < date) {
src.setDate(newMonthDayCount);
export const siblingMonth = function(src, diff) {
const temp = new Date(src); // lets copy it so we don't change the original
const newMonth = temp.getMonth() + diff;
const newMonthDayCount = getDayCountOfMonth(temp.getFullYear(), newMonth);
if (newMonthDayCount < temp.getDate()) {
temp.setDate(newMonthDayCount);
}
temp.setMonth(newMonth);
src.setMonth(newMonth);
src.setFullYear(newYear);
return temp;
};
return new Date(src.getTime());
export const prevMonth = function(src) {
return siblingMonth(src, -1);
};
export const nextMonth = function(src) {
const year = src.getFullYear();
const month = src.getMonth();
const date = src.getDate();
const newYear = month === 11 ? year + 1 : year;
const newMonth = month === 11 ? 0 : month + 1;
const newMonthDayCount = getDayCountOfMonth(newYear, newMonth);
if (newMonthDayCount < date) {
src.setDate(newMonthDayCount);
}
src.setMonth(newMonth);
src.setFullYear(newYear);
return new Date(src.getTime());
return siblingMonth(src, 1);
};
export const initTimeDate = function () {
export const initTimeDate = function() {
const date = new Date();
date.setHours(0);
date.setMinutes(0);
date.setSeconds(0);
return date;
};
};