gitlab-org--gitlab-foss/app/assets/javascripts/lib/utils/pretty_time.js
2017-09-14 16:33:15 -04:00

61 lines
1.8 KiB
JavaScript

import _ from 'underscore';
/*
* TODO: Make these methods more configurable (e.g. stringifyTime condensed or
* non-condensed, abbreviateTimelengths)
* */
/*
* Accepts seconds and returns a timeObject { weeks: #, days: #, hours: #, minutes: # }
* Seconds can be negative or positive, zero or non-zero. Can be configured for any day
* or week length.
*/
export function parseSeconds(seconds, { daysPerWeek = 5, hoursPerDay = 8 } = {}) {
const DAYS_PER_WEEK = daysPerWeek;
const HOURS_PER_DAY = hoursPerDay;
const MINUTES_PER_HOUR = 60;
const MINUTES_PER_WEEK = DAYS_PER_WEEK * HOURS_PER_DAY * MINUTES_PER_HOUR;
const MINUTES_PER_DAY = HOURS_PER_DAY * MINUTES_PER_HOUR;
const timePeriodConstraints = {
weeks: MINUTES_PER_WEEK,
days: MINUTES_PER_DAY,
hours: MINUTES_PER_HOUR,
minutes: 1,
};
let unorderedMinutes = Math.abs(seconds / MINUTES_PER_HOUR);
return _.mapObject(timePeriodConstraints, (minutesPerPeriod) => {
const periodCount = Math.floor(unorderedMinutes / minutesPerPeriod);
unorderedMinutes -= (periodCount * minutesPerPeriod);
return periodCount;
});
}
/*
* Accepts a timeObject (see parseSeconds) and returns a condensed string representation of it
* (e.g. '1w 2d 3h 1m' or '1h 30m'). Zero value units are not included.
*/
export function stringifyTime(timeObject) {
const reducedTime = _.reduce(timeObject, (memo, unitValue, unitName) => {
const isNonZero = !!unitValue;
return isNonZero ? `${memo} ${unitValue}${unitName.charAt(0)}` : memo;
}, '').trim();
return reducedTime.length ? reducedTime : '0m';
}
/*
* Accepts a time string of any size (e.g. '1w 2d 3h 5m' or '1w 2d') and returns
* the first non-zero unit/value pair.
*/
export function abbreviateTime(timeStr) {
return timeStr.split(' ')
.filter(unitStr => unitStr.charAt(0) !== '0')[0];
}