Dayjs: Ability to transform seconds to time

[Wyzix33]

Hi,
is it possible to transform seconds to time: for example 3602 seconds to 01:00:02, like a utility or something :)
just like moment has:

var seconds = 3820;
var duration = moment.duration(seconds, 'seconds');
var formatted = duration.format("hh:mm:ss");
console.log(formatted);

Thanks

[iamkun]

564

[brett-east]

Is this coming? The duration plugin has been released, but it doesn't have a format method, and I can't see anything in the documentation that explains how to format a duration as time.

[iamkun]

the duration plugin does not have a format method. Nor does moment#duration

[guanzo]

@brett-east unless i'm missing something, dayjs can already format a duration as time. Try plugging this into runkit: https://npm.runkit.com/dayjs

var dayjs = require("dayjs")
var duration = require('dayjs/plugin/duration')
var utc = require('dayjs/plugin/utc')

dayjs.extend(duration)
dayjs.extend(utc)

const oneMinuteAgo = dayjs().subtract(1, 'minute')
const dur = dayjs.duration(dayjs().diff(oneMinuteAgo))

dayjs.utc(dur.asMilliseconds()).format('HH:mm:ss') // "00:01:00"

For w/e reason, I have to use dayjs.utc() instead of dayjs() when formatting, otherwise the "hours" segment is off by 8 hours. Prolly some timezone crap.

EDIT: nvm, this only works for durations that are less than 1 day. If you call .format(), you'll see its actually a real date "1970-01-01T23:00:30Z", and the time segment just happens to work if duration < 1 day. Which explains the 8 hour offset "bug" i was seeing.

Looks like moment-duration-format is the moment way to format durations.. dayjs will need something similar

Plug this into runkit

var moment = require("moment")
var momentDurationFormat = require("moment-duration-format")

momentDurationFormat(moment)

const futureDate = moment().add(2, 'day')
const dur = moment.duration(futureDate.diff(moment()))

console.log(moment.utc(dur.asMilliseconds()).format('HH:mm:ss')) // "23:59:59" WRONG
console.log(dur.format('HH:mm:ss')) // "48:00:00" CORRECT

This is my hacky solution for when duration > 24 hours. Basically show X days instead of a formatted HH:mm:ss

const t = dayjs.duration(dateUserCanPost.diff(dayjs()))
if (t.asDays() > 1) {
    return t.days() + ' day' + (t.days() > 1 ? 's' : '')
} else {
    return dayjs.utc(t.asMilliseconds()).format('HH:mm:ss')
}