js-ago/dist/index.js

Simple time ago for Unix timestamps and JavaScript Date objects.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.jsAgo = jsAgo;
/**
 * Converts a JavaScript Date object to "time ago"
 * @param {Date} timestamp
 * @param {Intl.RelativeTimeFormatOptions & Intl.LocalesArgument} options
 * @example "5 hours ago"
 * @example "5h ago"
 * @returns {string}
 */
function jsAgo(timestamp, options) {
    const now = new Date().getTime();
    const tsDiff = now - timestamp.getTime();
    if (tsDiff < 999) {
        return "now";
    }
    const seconds = Math.floor(tsDiff / 1000);
    const minutes = Math.floor(seconds / 60);
    const hours = Math.floor(minutes / 60);
    const days = Math.floor(hours / 24);
    const weeks = Math.floor(days / 7);
    const months = Math.floor(days / 30);
    const years = Math.floor(days / 365);
    const preDuration = {
        years,
        months,
        weeks,
        days,
        hours,
        minutes,
        seconds,
    };
    let duration = {
        unit: "seconds",
        value: 0,
    };
    for (const k in preDuration) {
        const key = k;
        if (preDuration[key] > 0) {
            duration = {
                unit: key,
                value: preDuration[key],
            };
            break;
        }
    }
    const rtf = new Intl.RelativeTimeFormat(options?.locale || "en-US", {
        style: options?.style || "narrow",
        numeric: options?.numeric || "always",
        localeMatcher: options?.localeMatcher,
    });
    return rtf.format(duration.value * -1, duration.unit);
}