@hebcal/learning
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    Class DafPageEventAbstract

    Abstract event wrapper around any kind of Talmud page (DafPage), shared by DafYomiEvent, DafWeeklyEvent, and TanakhYomiEvent. Holds the daf (tractate name + page number) and provides default render, renderBrief, and url implementations that produce sefaria.org or dafyomi.org links.

    Subclasses override category, getCategories(), andโ€”where the display format differsโ€”render/url. Not instantiated directly; use DafYomiEvent, DafWeeklyEvent, etc.

    Hierarchy (View Summary)

    Index

    Constructors

    Properties

    alarm?: string | boolean | Date

    Alarms are used by iCalendar feeds

    daf: DafPage
    date: HDate

    Hebrew date of this event

    desc: string

    Untranslated title of this event. Note that these description strings are always in English and will remain stable across releases. To get the title of the event in another language, use the render() method.

    emoji?: string

    Optional emoji character such as โœก๏ธ, ๐Ÿ•ฏ๏ธ, ๐Ÿ•Ž, ๐Ÿ•, ๐ŸŒ’

    mask: number

    Bitmask of optional event flags. See flags

    memo?: string

    Optional longer description or memo text

    Accessors

    • get category(): string | undefined

      Category name used as the location field in iCalendar event feeds. Subclasses override this with their calendar's display name (e.g. "Daf Yomi", "Daily Rambam", "929").

      Returns string | undefined

    Methods

    • Returns a simplified (untranslated) description for this event, suitable for grouping related events under a single name.

      For example, HolidayEvent strips qualifiers so that "Erev Pesach" โ†’ "Pesach" and "Sukkot III (CH''M)" โ†’ "Sukkot". For many events the basename and the event description are identical.

      Returns string

      import {HolidayEvent, HDate, months, flags} from '@hebcal/core';
      const ev = new HolidayEvent(
      new HDate(14, months.NISAN, 5784), 'Erev Pesach', flags.EREV);
      ev.getDesc(); // 'Erev Pesach'
      ev.basename(); // 'Pesach'
    • Returns an array of category strings classifying this event, derived from its flags bitmask. The first element is the broad category (e.g. 'holiday', 'roshchodesh', 'parashat', 'omer'), followed by zero or more refinements (e.g. 'major', 'minor', 'fast').

      Returns ['unknown'] if no flag maps to a known category.

      Returns string[]

      import {Event, HDate, flags} from '@hebcal/core';
      new Event(new HDate(10, 'Tishrei', 5784), 'Yom Kippur', flags.MAJOR_FAST)
      .getCategories(); // ['holiday', 'major', 'fast']
      new Event(new HDate(1, 'Shvat', 5784), 'Rosh Chodesh Sh\'vat', flags.ROSH_CHODESH)
      .getCategories(); // ['roshchodesh']
    • Hebrew date of this event

      Returns HDate

    • Untranslated title of this event. Note that these description strings are always in English and will remain stable across releases. To get the title of the event in another language, use the render() method.

      Returns string

    • Returns the event's emoji character (e.g. ๐Ÿ•ฏ๏ธ, ๐Ÿ•Ž, ๐Ÿ‡ฎ๐Ÿ‡ฑ, ๐Ÿ๐Ÿฏ), or null if no emoji is associated with this event. Subclasses override this to provide holiday-specific emoji.

      Returns string | null

    • Bitmask of optional event flags. See flags

      Returns number

    • Gregorian date of this event

      Returns Date

    • Is this event observed in Israel/Diaspora?

      Parameters

      • il: boolean

      Returns boolean

      const ev1 = new Event(new HDate(7, 'Sivan', 5749), 'Shavuot II', flags.CHAG | flags.CHUL_ONLY);
      ev1.observedIn(false); // true
      ev1.observedIn(true); // false
      const ev2 = new Event(new HDate(26, 'Kislev', 5749), 'Chanukah: 3 Candles', 0);
      ev2.observedIn(false); // true
      ev2.observedIn(true); // true
    • Is this event observed in the Diaspora?

      Returns boolean

      const ev1 = new Event(new HDate(7, 'Sivan', 5749), 'Shavuot II', flags.CHAG | flags.CHUL_ONLY);
      ev1.observedInDiaspora(); // true
      const ev2 = new Event(new HDate(26, 'Kislev', 5749), 'Chanukah: 3 Candles', 0);
      ev2.observedInDiaspora(); // true
    • Is this event observed in Israel?

      Returns boolean

      const ev1 = new Event(new HDate(7, 'Sivan', 5749), 'Shavuot II', flags.CHAG | flags.CHUL_ONLY);
      ev1.observedInIsrael(); // false
      const ev2 = new Event(new HDate(26, 'Kislev', 5749), 'Chanukah: 3 Candles', 0);
      ev2.observedInIsrael(); // true
    • Returns Daf Yomi name including the 'Daf Yomi: ' prefix (e.g. "Daf Yomi: Pesachim 107").

      Parameters

      • Optionallocale: string

        Optional locale name (defaults to active locale).

      Returns string

    • Returns Daf Yomi name without the 'Daf Yomi: ' prefix (e.g. "Pesachim 107").

      Parameters

      • Optionallocale: string

        Optional locale name (defaults to active locale).

      Returns string