deno.land / x / prayers@v1.6.0 / src / Base.ts
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export class BaseCalculator { protected _prayerTimesCalculator!: PrayerTimes protected _qiyamTimesCalculator!: SunnahTimes protected _prayerConfig!: CalculationsConfig protected _qiyamConfig!: CalculationsConfig protected _logger!: Logger<any>
constructor(config: CalculationsConfig) { this._initializer(config) }
protected _initializer(config: CalculationsConfig) { this._prayerConfig = config const { date, latitude, longitude, method, ...paramsOptions } = this._prayerConfig
// create a coordinate object const coordinates = new Coordinates(latitude, longitude)
// create calculation params based on the method name const calculationParams = this._useMethod(method)
// assigning adjustments if present in the config if (paramsOptions.adjustments) { Object.assign(calculationParams.adjustments, paramsOptions.adjustments) }
// assigning asr time calculation method (notice we only do that for hanafi calculation since the default one is the jumhoor) if (paramsOptions.asrTime === AsrTime.HANAFI) { calculationParams.madhab = Madhab.Hanafi }
// assigning high latitude rule calculationParams.highLatitudeRule = paramsOptions.highLatitudeRule || HighLatitudeRule.MiddleOfTheNight
// assign polarCircleResolution calculationParams.polarCircleResolution = paramsOptions.polarCircleResolution || PolarCircleResolution.Unresolved
// assign iqama calculation times this._prayerConfig.iqama = Object.assign( { fajr: 20, dhuhr: 10, asr: 10, maghrib: 5, isha: 15 }, // the default values paramsOptions.iqama // override by the config values )
// creating the calculation object this._qiyamConfig = this._prayerConfig this._prayerTimesCalculator = new PrayerTimes(coordinates, date, calculationParams) this._qiyamTimesCalculator = new SunnahTimes(this._prayerTimesCalculator) }
protected _useMethod(method: Methods | CustomMethod | undefined): CalculationParameters { if (method === Methods.UMM_AL_QURA) { return CalculationMethod.UmmAlQura() } else if (method === Methods.MUSLIM_WORLD_LEAGUE) { return CalculationMethod.MuslimWorldLeague() } else if (method === Methods.MOONSIGHTING_COMMITTEE) { return CalculationMethod.MoonsightingCommittee() } else if (method === Methods.KUWAIT) { return CalculationMethod.Kuwait() } else if (method === Methods.QATAR) { return CalculationMethod.Qatar() } else if (method === Methods.EGYPTIAN) { return CalculationMethod.Egyptian() } else if (method === Methods.KARACHI) { return CalculationMethod.Karachi() } else if (method === Methods.DUBAI) { return CalculationMethod.Dubai() } else if (method === Methods.SINGAPORE) { return CalculationMethod.Singapore() } else if (method === Methods.NORTH_AMERICA) { return CalculationMethod.NorthAmerica() } else if (method === Methods.TEHRAN) { return CalculationMethod.Tehran() } else if (method === Methods.TURKEY) { return CalculationMethod.Turkey()
// Custom Methods } else if ( method === Methods.STANDARD || method === Methods.JORDAN || method === Methods.LIBYA || method === Methods.PALESTINE || method === Methods.SUDAN ) { return this._pramsFromCustomMethod({ fajrAngle: 18, ishaAngle: 18, }) } else if (method === Methods.ALGERIA) { return this._pramsFromCustomMethod({ fajrAngle: 18, ishaAngle: 17, methodAdjustments: { maghrib: 3, }, }) } else if (method === Methods.BAHRAIN) { return this._pramsFromCustomMethod({ fajrAngle: 18, ishaAngle: 0, ishaInterval: 90, }) } else if (method === Methods.BRUNEI || method === Methods.INDONESIA || method === Methods.MALAYSIA) { return this._pramsFromCustomMethod({ fajrAngle: 20, ishaAngle: 18, methodAdjustments: { dhuhr: 1, }, }) } else if (method === Methods.FRANCE) { return this._pramsFromCustomMethod({ fajrAngle: 12, ishaAngle: 12, }) } else if (method === Methods.GERMANY) { return this._pramsFromCustomMethod({ fajrAngle: 18, ishaAngle: 16.5, }) } else if (method === Methods.IRAQ) { return this._pramsFromCustomMethod({ fajrAngle: 19.5, ishaAngle: 17.5, methodAdjustments: { dhuhr: 7, asr: 7, maghrib: 4, }, }) } else if (method === Methods.MOROCCO) { return this._pramsFromCustomMethod({ fajrAngle: 19, ishaAngle: 17, methodAdjustments: { dhuhr: 5, maghrib: 2, }, }) } else if (method === Methods.RUSSIA) { return this._pramsFromCustomMethod({ fajrAngle: 16, ishaAngle: 15, }) } else if (method === Methods.OMAN) { return this._pramsFromCustomMethod({ fajrAngle: 18, ishaAngle: 18, methodAdjustments: { dhuhr: 5, asr: 5, maghrib: 5, }, }) } else if (method === Methods.SYRIA) { return this._pramsFromCustomMethod({ fajrAngle: 18.5, ishaAngle: 17.5, methodAdjustments: { sunrise: -7, dhuhr: 5, asr: 3, maghrib: 7, }, }) } else if (method === Methods.TUNISIA) { return this._pramsFromCustomMethod({ fajrAngle: 18, ishaAngle: 18, methodAdjustments: { dhuhr: 7, maghrib: 2, }, }) } else if (method === Methods.YEMEN) { return this._pramsFromCustomMethod({ fajrAngle: 18, ishaAngle: 17, methodAdjustments: { dhuhr: 2, }, }) } else if (typeof method === 'object') { // if we receive an object for custom calculation method return this._pramsFromCustomMethod(method) } else { // default is umm al qura return CalculationMethod.UmmAlQura() } }
private _pramsFromCustomMethod(config: CustomMethod): CalculationParameters { const calculationParams = new CalculationParameters( 'Other', config.fajrAngle || 18, config.ishaAngle || 18, config.ishaInterval || 0 ) if (config.methodAdjustments) { // assigning method adjustments Object.assign(calculationParams, { methodAdjustments: config.methodAdjustments, }) } // return the params of the custom method return calculationParams }
protected _adjustForRamadan(): boolean { const adjust = false const date = this._prayerConfig.date const method = this._prayerConfig.method const hijriFormatter = new Formatter({ calendar: this._prayerConfig.hijriCalendar ?? HijriCalendar.UMM_AL_QURA, dateStyle: 'short', }) const hijriMonth = hijriFormatter.formatDate(date).split('/')[0] // check if the month is ramadan if (parseInt(hijriMonth) === 9) { if (method === Methods.UMM_AL_QURA || this._prayerConfig.adjustForRamadan) { return true } } return adjust }}
prayers
Version Info
7 months ago
