util.js
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import dateUtil from '../../utils/date';
export const toDate = function(date) {
let _date = new Date(date);
// IE patch start (#1422)
if (isNaN(_date.getTime()) && typeof date === 'string'){
_date = date.split('-').map(Number);
_date[1] += 1;
_date = new Date(..._date);
}
// IE patch end
if (isNaN(_date.getTime())) return null;
return _date;
};
export const clearHours = function (time) {
const cloneDate = new Date(time);
cloneDate.setHours(0, 0, 0, 0);
return cloneDate.getTime();
};
export const isInRange = (time, a, b) => {
if (!a || !b) return false;
const [start, end] = [a, b].sort();
return time >= start && time <= end;
};
export const formatDate = function(date, format) {
date = toDate(date);
if (!date) return '';
return dateUtil.format(date, format || 'yyyy-MM-dd');
};
export const parseDate = function(string, format) {
return dateUtil.parse(string, format || 'yyyy-MM-dd');
};
export const getDayCountOfMonth = function(year, month) {
return new Date(year, month + 1, 0).getDate();
};
export const getFirstDayOfMonth = function(date) {
const temp = new Date(date.getTime());
temp.setDate(1);
return temp.getDay();
};
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);
return temp;
};
export const prevMonth = function(src) {
return siblingMonth(src, -1);
};
export const nextMonth = function(src) {
return siblingMonth(src, 1);
};
export const initTimeDate = function() {
const date = new Date();
date.setHours(0);
date.setMinutes(0);
date.setSeconds(0);
return date;
};
export const formatDateLabels = (function() {
/*
Formats:
yyyy - 4 digit year
m - month, numeric, 1 - 12
mm - month, numeric, 01 - 12
mmm - month, 3 letters, as in `toLocaleDateString`
Mmm - month, 3 letters, capitalize the return from `toLocaleDateString`
mmmm - month, full name, as in `toLocaleDateString`
Mmmm - month, full name, capitalize the return from `toLocaleDateString`
*/
const formats = {
yyyy: date => date.getFullYear(),
m: date => date.getMonth() + 1,
mm: date => ('0' + (date.getMonth() + 1)).slice(-2),
mmm: (date, locale) => {
const monthName = date.toLocaleDateString(locale, {
month: 'long'
});
return monthName.slice(0, 3);
},
Mmm: (date, locale) => {
const monthName = date.toLocaleDateString(locale, {
month: 'long'
});
return (monthName[0].toUpperCase() + monthName.slice(1).toLowerCase()).slice(0, 3);
},
mmmm: (date, locale) =>
date.toLocaleDateString(locale, {
month: 'long'
}),
Mmmm: (date, locale) => {
const monthName = date.toLocaleDateString(locale, {
month: 'long'
});
return monthName[0].toUpperCase() + monthName.slice(1).toLowerCase();
}
};
const formatRegex = new RegExp(['yyyy', 'Mmmm', 'mmmm', 'Mmm', 'mmm', 'mm', 'm'].join('|'), 'g');
return function(locale, format, date) {
const componetsRegex = /(\[[^\]]+\])([^\[\]]+)(\[[^\]]+\])/;
const components = format.match(componetsRegex).slice(1);
const separator = components[1];
const labels = [components[0], components[2]].map(component => {
const label = component.replace(/\[[^\]]+\]/, str => {
return str.slice(1, -1).replace(formatRegex, match => formats[match](date, locale));
});
return {
label: label,
type: component.indexOf('yy') != -1 ? 'year' : 'month'
};
});
return {
separator: separator,
labels: labels
};
};
})();