69 lines
2.1 KiB
JavaScript
69 lines
2.1 KiB
JavaScript
"use strict";
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function human_duration_unit(milliseconds) {
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let seconds = Math.floor(milliseconds / 1000);
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if(seconds <= 60) return "second";
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if(seconds <= 60*60) return "minute";
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if(seconds <= 60*60*24) return "hour";
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if(seconds <= 60*60*24*45) return "day";
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if(seconds <= 60*60*24*365) return "month";
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return "year";
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}
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/**
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* Calculates the time since a particular datetime and returns a
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* human-readable result.
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* @source Ported from PHP in Pepperminty Wiki https://github.com/sbrl/Pepperminty-Wiki/blob/712e954/core/05-functions.php#L55-L89
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* @param {Date} datetime The datetime to convert.
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* @return {string} The time since the given timestamp as a human-readable string.
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*/
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function human_time_since(datetime) {
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return human_time((new Date() - datetime) / 1000);
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}
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/**
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* Renders a given number of seconds as something that humans can understand more easily.
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* @source Ported from PHP in Pepperminty Wiki https://github.com/sbrl/Pepperminty-Wiki/blob/712e954/core/05-functions.php#L55-L89
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* @param {int} seconds The number of seconds to render.
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* @return {string} The rendered time.
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*/
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function human_time(seconds)
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{
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if(seconds < 0) return "the future";
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let tokens = new Map([
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[ 31536000, 'year' ],
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[ 2592000, 'month' ],
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[ 604800, 'week' ],
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[ 86400, 'day' ],
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[ 3600, 'hour' ],
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[ 60, 'minute' ],
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[ 1, 'second' ]
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]);
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for(let unit of tokens) {
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if (seconds < unit[0]) continue;
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numberOfUnits = Math.floor(seconds / unit[0]);
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return `${numberOfUnits} ${unit[1]}${((numberOfUnits > 1)?'s':'')} ago`;
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}
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}
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/**
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* Rounds a Date to match the specified number of minutes.
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* Useful when making API requests to improve caching.
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* @param {Date} date The date to round.
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* @param {int} interval_minutes The number of minutes to round it to. Should be less than 60.
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* @return {void} Doesn't return anything - it mutates the original Date object instead.
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*/
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function round_date_interval(date, interval_minutes) {
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date.setSeconds(0);
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date.setMilliseconds(0);
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date.setMinutes(
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Math.floor(date.getMinutes() / interval_minutes) * interval_minutes
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);
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}
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export {
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human_duration_unit,
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human_time_since, human_time,
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round_date_interval
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};
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