38 lines
1.3 KiB
JavaScript
38 lines
1.3 KiB
JavaScript
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export function pluralize(n, singular, plural) {
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if (n < 2) {
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return singular;
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} else {
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return plural;
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}
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}
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export function timeToAge(time1, time2) {
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/*
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Output a friendly string to describe the age of a post, where `time1` and
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`time2` are in milliseconds
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*/
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const between = (n, lower, upper) => n >= lower && n < upper;
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const diff = time1 - time2;
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if (diff < 60000) {
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return "Seconds ago"
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} else if (between(diff, 60000, 3600000)) {
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const nMin = Math.floor(diff / 60000);
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return nMin + " " + pluralize(nMin, "minute", "minutes") + " ago";
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} else if (between(diff, 3600000, 86400000)) {
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const nHours = Math.floor(diff / 3600000);
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return nHours + " " + pluralize(nHours, "hour", "hours") + " ago";
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} else if (between(diff, 86400000, 2629800000)) {
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const nDays = Math.floor(diff / 86400000);
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return nDays + " " + pluralize(nDays, "day", "days") + " ago";
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} else if (between(diff, 2629800000, 31557600000)) {
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const nMonths = Math.floor(diff / 2629800000);
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return nMonths + " " + pluralize(nMonths, "month", "months") + " ago";
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} else {
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const nYears = Math.floor(diff / 31557600000);
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return nYears + " " + pluralize(nYears, "year", "years") + " ago";
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}
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}
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