All files / app/utils timeAgo.ts

80.76% Statements 42/52
68.42% Branches 13/19
66.66% Functions 4/6
80% Lines 36/45

Press n or j to go to the next uncovered block, b, p or k for the previous block.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118    37x 37x 37x 37x 37x 37x 37x   73x                     14x   924x 924x       917x 1x   916x 2x         914x 2x         912x 1x   911x 1x         910x 1x         909x                         909x       909x           1x               908x         910x                     910x   910x 910x 1x   1x 1x     909x    
import { TFunction } from "i18next";
 
export const secondMillis = 1000;
export const minuteMillis = 60 * secondMillis;
export const hourMillis = 60 * minuteMillis;
export const dayMillis = 24 * hourMillis;
export const weekMillis = 7 * dayMillis;
export const monthMillis = 30 * dayMillis;
export const yearMillis = 365 * dayMillis + 6 * hourMillis; // 365.25;
 
export enum TimeUnit {
  Seconds,
  Minutes,
  Hours,
  Days,
  Weeks,
  Months,
  Years,
}
 
/// A time span represented in human-friendly units, e.g. "5 days".
export class FriendlyTimeSpan {
  constructor(
    public value: number,
    public unit: TimeUnit,
  ) {}
 
  static fromMillis(value: number): FriendlyTimeSpan {
    if (value < minuteMillis) {
      return new FriendlyTimeSpan(Math.floor(value / 1000), TimeUnit.Seconds);
    }
    if (value < hourMillis) {
      return new FriendlyTimeSpan(
        Math.floor(value / minuteMillis),
        TimeUnit.Minutes,
      );
    }
    if (value < dayMillis) {
      return new FriendlyTimeSpan(
        Math.floor(value / hourMillis),
        TimeUnit.Hours,
      );
    }
    if (value < weekMillis) {
      return new FriendlyTimeSpan(Math.floor(value / dayMillis), TimeUnit.Days);
    }
    if (value < monthMillis) {
      return new FriendlyTimeSpan(
        Math.floor(value / weekMillis),
        TimeUnit.Weeks,
      );
    }
    if (value < yearMillis) {
      return new FriendlyTimeSpan(
        Math.floor(value / monthMillis),
        TimeUnit.Months,
      );
    }
    return new FriendlyTimeSpan(Math.floor(value / yearMillis), TimeUnit.Years);
  }
 
  static between(start: Date, end: Date): FriendlyTimeSpan {
    const diffMillis = end.getTime() - start.getTime();
    return FriendlyTimeSpan.fromMillis(diffMillis);
  }
 
  static since(date: Date): FriendlyTimeSpan {
    return this.between(date, new Date());
  }
 
  toLocalizedAgoText(locale: string): string {
    const relativeTime = new Intl.RelativeTimeFormat(locale, {
      style: "long", // 1 minute ago vs 1 min. ago
      numeric: "auto", // yesterday vs 1 day ago
    });
    switch (this.unit) {
      case TimeUnit.Seconds:
        return relativeTime.format(-this.value, "second");
      case TimeUnit.Minutes:
        return relativeTime.format(-this.value, "minute");
      case TimeUnit.Hours:
        return relativeTime.format(-this.value, "hour");
      case TimeUnit.Days:
        return relativeTime.format(-this.value, "day");
      case TimeUnit.Weeks:
        return relativeTime.format(-this.value, "week");
      case TimeUnit.Months:
        return relativeTime.format(-this.value, "month");
      case TimeUnit.Years:
        return relativeTime.format(-this.value, "year");
    }
  }
}
 
export function timeAgo({
  since,
  t,
  locale,
  minimumUnit = TimeUnit.Seconds,
}: {
  since: Date;
  t: TFunction<"global", undefined>;
  locale: string;
  minimumUnit?: TimeUnit;
}): string {
  const diffMillis = Date.now() - since.getTime();
 
  const timeSpan = FriendlyTimeSpan.fromMillis(diffMillis);
  if (minimumUnit && timeSpan.unit < minimumUnit) {
    Iif (minimumUnit == TimeUnit.Minutes)
      return t("global:relative_time.less_than_a_minute_ago");
    if (minimumUnit == TimeUnit.Hours)
      return t("global:relative_time.less_than_one_hour_ago");
  }
 
  return timeSpan.toLocalizedAgoText(locale);
}