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| import moment from 'moment';
const d3 = require('d3');
function UTC(dttm) {
return new Date(
dttm.getUTCFullYear(),
dttm.getUTCMonth(),
dttm.getUTCDate(),
dttm.getUTCHours(),
dttm.getUTCMinutes(),
dttm.getUTCSeconds()
);
}
export const tickMultiFormat = d3.time.format.multi([
[
'.%L',
function (d) {
return d.getMilliseconds();
},
],
// If there are millisections, show only them
[
':%S',
function (d) {
return d.getSeconds();
},
],
// If there are seconds, show only them
[
'%a %b %d, %I:%M %p',
function (d) {
return d.getMinutes() !== 0;
},
],
// If there are non-zero minutes, show Date, Hour:Minute [AM/PM]
[
'%a %b %d, %I %p',
function (d) {
return d.getHours() !== 0;
},
],
// If there are hours that are multiples of 3, show date and AM/PM
[
'%a %b %d',
function (d) {
return d.getDate() !== 1;
},
],
// If not the first of the month, do "month day, year."
[
'%B %Y',
function (d) {
return d.getMonth() !== 0 && d.getDate() === 1;
},
],
// If the first of the month, do "month day, year."
[
'%Y',
function () {
return true;
},
], // fall back on month, year
]);
export const formatDate = function (dttm) {
const d = UTC(new Date(dttm));
// d = new Date(d.getTime() - 1 * 60 * 60 * 1000);
return tickMultiFormat(d);
};
export const timeFormatFactory = function (d3timeFormat) {
const f = d3.time.format(d3timeFormat);
return function (dttm) {
const d = UTC(new Date(dttm));
return f(d);
};
};
export const fDuration = function (t1, t2, f = 'HH:mm:ss.SS') {
const diffSec = t2 - t1;
const duration = moment(new Date(diffSec));
return duration.utc().format(f);
};
export const now = function () {
// seconds from EPOCH as a float
return moment().utc().valueOf();
};
export const epochTimeXHoursAgo = function (h) {
return moment()
.subtract(h, 'hours')
.utc()
.valueOf();
};
export const epochTimeXDaysAgo = function (d) {
return moment()
.subtract(d, 'days')
.utc()
.valueOf();
};
export const epochTimeXYearsAgo = function (y) {
return moment()
.subtract(y, 'years')
.utc()
.valueOf();
};
|