src/lib/event.ts


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import i18next from "i18next";
import { IEventGroup } from "../models/EventGroup.js";

export interface EventListEvent {
    id: string;
    name: string;
    location: string;
    displayDate: string;
    eventHasConcluded: boolean;
    startMoment: moment.Moment;
    endMoment: moment.Moment;
    eventGroup?: IEventGroup;
}

export const bucketEventsByMonth = (
    acc: Record<string, any>[],
    event: EventListEvent,
) => {
    event.startMoment.locale(i18next.language);
    const month = event.startMoment.format(i18next.t("year-month-format" ));
    const matchingBucket = acc.find((bucket) => bucket.title === month);
    if (!matchingBucket) {
        acc.push({
            title: month,
            events: [event],
        });
    } else {
        matchingBucket.events.push(event);
    }
    return acc;
};