@rareelements/lydia/lib/Calendar.js

RFC5545 implementation

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Calendar = void 0;
const Helper_1 = require("./utils/Helper");
const ComponentType_1 = require("./model/ComponentType");
const PropertyType_1 = require("./model/PropertyType");
class Calendar {
    constructor(rawCalendar) {
        this.rawCalendar = rawCalendar;
        if (rawCalendar && rawCalendar.properties) {
            const tzProp = rawCalendar.properties.filter((p) => p.name === PropertyType_1.PropertyType.X_WR_TIMEZONE);
            if (tzProp && tzProp.length === 1)
                this.defaultTZ = tzProp[0].value;
        }
    }
    *iterator() {
        const components = this.rawCalendar.components;
        if (!components)
            return;
        for (const c of components) {
            yield Helper_1.cookComponent(c, this.defaultTZ);
        }
    }
    getEvents({ start, end, limit }) {
        const events = [];
        for (const c of this.iterator()) {
            if (c.getType() !== ComponentType_1.ComponentType.VEVENT) {
                continue;
            }
            const eventStart = c.getStart();
            const eventEnd = c.getEnd();
            const rrule = c.getRRule();
            if (rrule) {
                const occurences = rrule.rruleSet.between(start, end || new Date(-8640000000000000));
                // console.log("occurences", occurences);
                if (occurences)
                    occurences.forEach((o) => events.push([o, c]));
            }
            else if (eventStart.value.getTime() >= start.getTime() &&
                (!end || eventEnd.value.getTime() <= end.getTime())) {
                events.push([eventStart.value, c]);
            }
        }
        events.sort((e1, e2) => e1[0].getTime() - e2[0].getTime());
        if (limit && events.length >= limit) {
            return events.slice(0, limit);
        }
        else {
            return events;
        }
    }
}
exports.Calendar = Calendar;
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