debian-mirror-gitlab/app/assets/javascripts/chronic_duration.js
2021-12-11 22:18:48 +05:30

417 lines
11 KiB
JavaScript

/*
* NOTE:
* Changes to this file should be kept in sync with
* https://gitlab.com/gitlab-org/gitlab-chronic-duration/-/blob/master/lib/gitlab_chronic_duration.rb.
*/
/*
* This code is based on code from
* https://gitlab.com/gitlab-org/gitlab-chronic-duration and is
* distributed under the following license:
*
* MIT License
*
* Copyright (c) Henry Poydar
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
export class DurationParseError extends Error {}
// On average, there's a little over 4 weeks in month.
const FULL_WEEKS_PER_MONTH = 4;
const HOURS_PER_DAY = 24;
const DAYS_PER_MONTH = 30;
const FLOAT_MATCHER = /[0-9]*\.?[0-9]+/g;
const DURATION_UNITS_LIST = ['seconds', 'minutes', 'hours', 'days', 'weeks', 'months', 'years'];
const MAPPINGS = {
seconds: 'seconds',
second: 'seconds',
secs: 'seconds',
sec: 'seconds',
s: 'seconds',
minutes: 'minutes',
minute: 'minutes',
mins: 'minutes',
min: 'minutes',
m: 'minutes',
hours: 'hours',
hour: 'hours',
hrs: 'hours',
hr: 'hours',
h: 'hours',
days: 'days',
day: 'days',
dy: 'days',
d: 'days',
weeks: 'weeks',
week: 'weeks',
wks: 'weeks',
wk: 'weeks',
w: 'weeks',
months: 'months',
mo: 'months',
mos: 'months',
month: 'months',
years: 'years',
year: 'years',
yrs: 'years',
yr: 'years',
y: 'years',
};
const JOIN_WORDS = ['and', 'with', 'plus'];
function convertToNumber(string) {
const f = parseFloat(string);
return f % 1 > 0 ? f : parseInt(string, 10);
}
function durationUnitsSecondsMultiplier(unit, opts) {
if (!DURATION_UNITS_LIST.includes(unit)) {
return 0;
}
const hoursPerDay = opts.hoursPerDay || HOURS_PER_DAY;
const daysPerMonth = opts.daysPerMonth || DAYS_PER_MONTH;
const daysPerWeek = Math.trunc(daysPerMonth / FULL_WEEKS_PER_MONTH);
switch (unit) {
case 'years':
return 31557600;
case 'months':
return 3600 * hoursPerDay * daysPerMonth;
case 'weeks':
return 3600 * hoursPerDay * daysPerWeek;
case 'days':
return 3600 * hoursPerDay;
case 'hours':
return 3600;
case 'minutes':
return 60;
case 'seconds':
return 1;
default:
return 0;
}
}
function calculateFromWords(string, opts) {
let val = 0;
const words = string.split(' ');
words.forEach((v, k) => {
if (v === '') {
return;
}
if (v.search(FLOAT_MATCHER) >= 0) {
val +=
convertToNumber(v) *
durationUnitsSecondsMultiplier(
words[parseInt(k, 10) + 1] || opts.defaultUnit || 'seconds',
opts,
);
}
});
return val;
}
// Parse 3:41:59 and return 3 hours 41 minutes 59 seconds
function filterByType(string) {
const chronoUnitsList = DURATION_UNITS_LIST.filter((v) => v !== 'weeks');
if (
string
.replace(/ +/g, '')
.search(RegExp(`${FLOAT_MATCHER.source}(:${FLOAT_MATCHER.source})+`, 'g')) >= 0
) {
const res = [];
string
.replace(/ +/g, '')
.split(':')
.reverse()
.forEach((v, k) => {
if (!chronoUnitsList[k]) {
return;
}
res.push(`${v} ${chronoUnitsList[k]}`);
});
return res.reverse().join(' ');
}
return string;
}
// Get rid of unknown words and map found
// words to defined time units
function filterThroughWhiteList(string, opts) {
const res = [];
string.split(' ').forEach((word) => {
if (word === '') {
return;
}
if (word.search(FLOAT_MATCHER) >= 0) {
res.push(word.trim());
return;
}
const strippedWord = word.trim().replace(/^,/g, '').replace(/,$/g, '');
if (MAPPINGS[strippedWord] !== undefined) {
res.push(MAPPINGS[strippedWord]);
} else if (!JOIN_WORDS.includes(strippedWord) && opts.raiseExceptions) {
throw new DurationParseError(
`An invalid word ${JSON.stringify(word)} was used in the string to be parsed.`,
);
}
});
// add '1' at front if string starts with something recognizable but not with a number, like 'day' or 'minute 30sec'
if (res.length > 0 && MAPPINGS[res[0]]) {
res.splice(0, 0, 1);
}
return res.join(' ');
}
function cleanup(string, opts) {
let res = string.toLowerCase();
/*
* TODO The Ruby implementation of this algorithm uses the Numerizer module,
* which converts strings like "forty two" to "42", but there is no
* JavaScript equivalent of Numerizer. Skip it for now until Numerizer is
* ported to JavaScript.
*/
res = filterByType(res);
res = res
.replace(FLOAT_MATCHER, (n) => ` ${n} `)
.replace(/ +/g, ' ')
.trim();
return filterThroughWhiteList(res, opts);
}
function humanizeTimeUnit(number, unit, pluralize, keepZero) {
if (number === '0' && !keepZero) {
return null;
}
let res = number + unit;
// A poor man's pluralizer
if (number !== '1' && pluralize) {
res += 's';
}
return res;
}
// Given a string representation of elapsed time,
// return an integer (or float, if fractions of a
// second are input)
export function parseChronicDuration(string, opts = {}) {
const result = calculateFromWords(cleanup(string, opts), opts);
return !opts.keepZero && result === 0 ? null : result;
}
// Given an integer and an optional format,
// returns a formatted string representing elapsed time
export function outputChronicDuration(seconds, opts = {}) {
const units = {
years: 0,
months: 0,
weeks: 0,
days: 0,
hours: 0,
minutes: 0,
seconds,
};
const hoursPerDay = opts.hoursPerDay || HOURS_PER_DAY;
const daysPerMonth = opts.daysPerMonth || DAYS_PER_MONTH;
const daysPerWeek = Math.trunc(daysPerMonth / FULL_WEEKS_PER_MONTH);
const decimalPlaces =
seconds % 1 !== 0 ? seconds.toString().split('.').reverse()[0].length : null;
const minute = 60;
const hour = 60 * minute;
const day = hoursPerDay * hour;
const month = daysPerMonth * day;
const year = 31557600;
if (units.seconds >= 31557600 && units.seconds % year < units.seconds % month) {
units.years = Math.trunc(units.seconds / year);
units.months = Math.trunc((units.seconds % year) / month);
units.days = Math.trunc(((units.seconds % year) % month) / day);
units.hours = Math.trunc((((units.seconds % year) % month) % day) / hour);
units.minutes = Math.trunc(((((units.seconds % year) % month) % day) % hour) / minute);
units.seconds = Math.trunc(((((units.seconds % year) % month) % day) % hour) % minute);
} else if (seconds >= 60) {
units.minutes = Math.trunc(seconds / 60);
units.seconds %= 60;
if (units.minutes >= 60) {
units.hours = Math.trunc(units.minutes / 60);
units.minutes = Math.trunc(units.minutes % 60);
if (!opts.limitToHours) {
if (units.hours >= hoursPerDay) {
units.days = Math.trunc(units.hours / hoursPerDay);
units.hours = Math.trunc(units.hours % hoursPerDay);
if (opts.weeks) {
if (units.days >= daysPerWeek) {
units.weeks = Math.trunc(units.days / daysPerWeek);
units.days = Math.trunc(units.days % daysPerWeek);
if (units.weeks >= FULL_WEEKS_PER_MONTH) {
units.months = Math.trunc(units.weeks / FULL_WEEKS_PER_MONTH);
units.weeks = Math.trunc(units.weeks % FULL_WEEKS_PER_MONTH);
}
}
} else if (units.days >= daysPerMonth) {
units.months = Math.trunc(units.days / daysPerMonth);
units.days = Math.trunc(units.days % daysPerMonth);
}
}
}
}
}
let joiner = opts.joiner || ' ';
let process = null;
let dividers;
switch (opts.format) {
case 'micro':
dividers = {
years: 'y',
months: 'mo',
weeks: 'w',
days: 'd',
hours: 'h',
minutes: 'm',
seconds: 's',
};
joiner = '';
break;
case 'short':
dividers = {
years: 'y',
months: 'mo',
weeks: 'w',
days: 'd',
hours: 'h',
minutes: 'm',
seconds: 's',
};
break;
case 'long':
dividers = {
/* eslint-disable @gitlab/require-i18n-strings */
years: ' year',
months: ' month',
weeks: ' week',
days: ' day',
hours: ' hour',
minutes: ' minute',
seconds: ' second',
/* eslint-enable @gitlab/require-i18n-strings */
pluralize: true,
};
break;
case 'chrono':
dividers = {
years: ':',
months: ':',
weeks: ':',
days: ':',
hours: ':',
minutes: ':',
seconds: ':',
keepZero: true,
};
process = (str) => {
// Pad zeros
// Get rid of lead off times if they are zero
// Get rid of lead off zero
// Get rid of trailing:
const divider = ':';
const processed = [];
str.split(divider).forEach((n) => {
if (n === '') {
return;
}
// add zeros only if n is an integer
if (n.search('\\.') >= 0) {
processed.push(
parseFloat(n)
.toFixed(decimalPlaces)
.padStart(3 + decimalPlaces, '0'),
);
} else {
processed.push(n.padStart(2, '0'));
}
});
return processed
.join(divider)
.replace(/^(00:)+/g, '')
.replace(/^0/g, '')
.replace(/:$/g, '');
};
joiner = '';
break;
default:
dividers = {
/* eslint-disable @gitlab/require-i18n-strings */
years: ' yr',
months: ' mo',
weeks: ' wk',
days: ' day',
hours: ' hr',
minutes: ' min',
seconds: ' sec',
/* eslint-enable @gitlab/require-i18n-strings */
pluralize: true,
};
break;
}
let result = [];
['years', 'months', 'weeks', 'days', 'hours', 'minutes', 'seconds'].forEach((t) => {
if (t === 'weeks' && !opts.weeks) {
return;
}
let num = units[t];
if (t === 'seconds' && num % 0 !== 0) {
num = num.toFixed(decimalPlaces);
} else {
num = num.toString();
}
const keepZero = !dividers.keepZero && t === 'seconds' ? opts.keepZero : dividers.keepZero;
const humanized = humanizeTimeUnit(num, dividers[t], dividers.pluralize, keepZero);
if (humanized !== null) {
result.push(humanized);
}
});
if (opts.units) {
result = result.slice(0, opts.units);
}
result = result.join(joiner);
if (process) {
result = process(result);
}
return result.length === 0 ? null : result;
}