@hebcal/leyning

hebcal-leyning

Javascript Torah Reading API for Parashat HaShavua and holidays

Installation

$ npm install @hebcal/leyning

Synopsis

import {HebrewCalendar, HDate, Event} from '@hebcal/core';
import leyning from '@hebcal/leyning';

const options = {sedrot: true, noHolidays: true};
const events = HebrewCalendar.calendar(options);
const ev = events.find((ev) => ev.getDesc() == 'Parashat Pinchas');
const reading = leyning.getLeyningForParshaHaShavua(ev);
console.log(`${ev.getDesc()}: ${reading.summary}`);
console.log(`Haftara: ${reading.haftara}`);
for (const [num, aliyah] of Object.entries(reading.fullkriyah)) {
  const number = num == 'M' ? 'maftir' : `aliyah ${num}`;
  let str = leyning.formatAliyahWithBook(aliyah);
  if (reading.reason[num]) {
      str += ' | ' + reading.reason[num];
  }
  console.log(`${number}: ${str}`);
}
const triReading = triennial.getTriennialForParshaHaShavua(ev);
for (const [num, aliyah] of Object.entries(triReading)) {
  const number = num == 'M' ? 'maftir' : `aliyah ${num}`;
  const str = leyning.formatAliyahWithBook(aliyah);
  console.log(`Triennial ${number}: ${str}`);
}

Classes

Triennial

Triennial Torah readings

Constants

leyning

Main interface to hebcal/leyning

Functions

getLeyningKeyForEvent(e, [il]) ⇒ string

Based on the event date, type and title, finds the relevant leyning key

getLeyningForHoliday(e, [il]) ⇒ Leyning

Looks up leyning for a given holiday name. Name should be an (untranslated) string used in holiday-readons.json. Returns some of full kriyah aliyot, special Maftir, special Haftarah

parshaToString(parsha) ⇒ string

Formats parsha as a string

getHaftaraKey(parsha) ⇒ string

on doubled parshiot, read only the second Haftarah except for Nitzavim-Vayelech

getChanukahShabbatKey(e, key) ⇒ string

getHolidayEvents(hd, il) ⇒ Array.<Event>

Filters out Rosh Chodesh and events that don't occur in this location

getLeyningForParshaHaShavua(e, [il]) ⇒ Leyning

Looks up leyning for a regular Shabbat parsha.

formatAliyahWithBook(a) ⇒ string

Formats an aliyah object like "Numbers 28:9 - 28:15"

getDoubledName(id) ⇒ string

takes a 0-based (Bereshit=0) parsha ID

getTriennial(year) ⇒ Triennial

Calculates the 3-year readings for a given year

Typedefs

Aliyah : Object

Represents an aliyah

Leyning : Object

Leyning for a parsha hashavua or holiday

Triennial

Triennial Torah readings

Kind: global class

• Triennial
  • new Triennial([hebrewYear])
  • instance
    • .getReadings() ⇒ Object
    • .getStartYear() ⇒ number
    • .getLeyningForParshaHaShavua(ev) ⇒ Aliyah
    • .getThreeYearPattern(id) ⇒ string
    • .cycleReadings(cycleOption) ⇒ Map.<string, Array.<Object>>
    • .cycleReadingsForYear(option, readings, yr)
  • static
    • .getYearNumber(year) ⇒ number
    • .getCycleStartYear(year) ⇒ number
    • .getTriennialAliyot() ⇒ Object
    • .resolveSameAs(parsha, book, triennial) ⇒ Object

new Triennial([hebrewYear])

Builds a Triennial object

Param	Type	Description
[hebrewYear]	number	Hebrew Year (default current year)

triennial.getReadings() ⇒ Object

Kind: instance method of Triennial

triennial.getStartYear() ⇒ number

Kind: instance method of Triennial

triennial.getLeyningForParshaHaShavua(ev) ⇒ Aliyah

Looks up the leyning for this Parashat HaShavua

Kind: instance method of Triennial

Param	Type
ev	Event

triennial.getThreeYearPattern(id) ⇒ string

First, determine if a doubled parsha is read [T]ogether or [S]eparately in each of the 3 years. Yields a pattern like 'SSS', 'STS', 'TTT', 'TTS'.

Kind: instance method of Triennial

Param	Type
id	number

triennial.cycleReadings(cycleOption) ⇒ Map.<string, Array.<Object>>

Builds a lookup table readings["Bereshit"][0], readings["Matot-Masei"][2]

Kind: instance method of Triennial

Param	Type
cycleOption	Object

triennial.cycleReadingsForYear(option, readings, yr)

Kind: instance method of Triennial

Param	Type
option	string
readings	Map.<string, Array.<Object>>
yr	number

Triennial.getYearNumber(year) ⇒ number

Returns triennial year 1, 2 or 3 based on this Hebrew year

Kind: static method of Triennial

Param	Type	Description
year	number	Hebrew year

Triennial.getCycleStartYear(year) ⇒ number

Returns Hebrew year that this 3-year triennial cycle began

Kind: static method of Triennial

Param	Type	Description
year	number	Hebrew year

Triennial.getTriennialAliyot() ⇒ Object

Walks parshiyotObj and builds lookup table for triennial aliyot

Kind: static method of Triennial

Triennial.resolveSameAs(parsha, book, triennial) ⇒ Object

Transforms input JSON with sameAs shortcuts like "D.2":"A.3" to actual aliyot objects for a given variation/year

Kind: static method of Triennial

Param	Type
parsha	string
book	string
triennial	Object

leyning

Main interface to hebcal/leyning

Kind: global constant

getLeyningKeyForEvent(e, [il]) ⇒ string

Based on the event date, type and title, finds the relevant leyning key

Kind: global function
Returns: string - key to look up in holiday-reading.json

Param	Type	Description
e	Event	event
[il]	boolean	true if Israel holiday scheme

getLeyningForHoliday(e, [il]) ⇒ Leyning

Looks up leyning for a given holiday name. Name should be an (untranslated) string used in holiday-readons.json. Returns some of full kriyah aliyot, special Maftir, special Haftarah

Kind: global function
Returns: Leyning - map of aliyot

Param	Type	Description
e	Event	the Hebcal event associated with this leyning
[il]	boolean	true if Israel holiday scheme

parshaToString(parsha) ⇒ string

Formats parsha as a string

Kind: global function

Param	Type
parsha	Array.<string>

getHaftaraKey(parsha) ⇒ string

on doubled parshiot, read only the second Haftarah except for Nitzavim-Vayelech

Kind: global function

Param	Type
parsha	Array.<string>

getChanukahShabbatKey(e, key) ⇒ string

Kind: global function

Param	Type
e	Event
key	string

getHolidayEvents(hd, il) ⇒ Array.<Event>

Filters out Rosh Chodesh and events that don't occur in this location

Kind: global function

Param	Type	Description
hd	HDate	Hebrew date
il	boolean	in Israel

getLeyningForParshaHaShavua(e, [il]) ⇒ Leyning

Looks up leyning for a regular Shabbat parsha.

Kind: global function
Returns: Leyning - map of aliyot

Param	Type	Description
e	Event	the Hebcal event associated with this leyning
[il]	boolean	in Israel

formatAliyahWithBook(a) ⇒ string

Formats an aliyah object like "Numbers 28:9 - 28:15"

Kind: global function

Param	Type	Description
a	Aliyah	aliyah

getDoubledName(id) ⇒ string

takes a 0-based (Bereshit=0) parsha ID

Kind: global function

Param	Type
id	number

getTriennial(year) ⇒ Triennial

Calculates the 3-year readings for a given year

Kind: global function

Param	Type	Description
year	number	Hebrew year

Aliyah : Object

Represents an aliyah

Kind: global typedef
Properties

Name	Type	Description
k	string	Book (e.g. "Numbers")
b	string	beginning verse (e.g. "28:9")
e	string	ending verse (e.g. "28:15")
[v]	number	number of verses
[p]	number	parsha number (1=Bereshit, 54=Vezot HaBracha)

Leyning : Object

Leyning for a parsha hashavua or holiday

Kind: global typedef
Properties

Name	Type	Description
summary	string
haftara	string	Haftarah
sephardic	string	Haftarah for Sephardic
fullkriyah	Object.<string, Aliyah>
[reason]	Object