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brewcalc.js
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(function webpackUniversalModuleDefinition(root, factory) {
if(typeof exports === 'object' && typeof module === 'object')
module.exports = factory();
else if(typeof define === 'function' && define.amd)
define([], factory);
else if(typeof exports === 'object')
exports["brewcalc"] = factory();
else
root["brewcalc"] = factory();
})(window, function() {
return /******/ (function(modules) { // webpackBootstrap
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/******/ ({
/***/ "./src/abv.ts":
/*!********************!*\
!*** ./src/abv.ts ***!
\********************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.calcABV = exports.estABV = exports.estABW = void 0;
const utils_1 = __webpack_require__(/*! ./utils */ "./src/utils.ts");
const units_1 = __webpack_require__(/*! ./units */ "./src/units.ts");
// http://byo.com/bock/item/408-calculating-alcohol-content-attenuation-extract-and-calories-advanced-homebrewing
// https://www.brewersfriend.com/2011/06/16/alcohol-by-volume-calculator-updated/
// ABW = (OG points - FG points) * 0.105
// ABV = (OG points - FG points) * 0.132
const estABW = (ogPts, fgPts) => (ogPts - fgPts) * 0.105;
exports.estABW = estABW;
const estABV = (ogPts, fgPts) => (ogPts - fgPts) * 0.132;
exports.estABV = estABV;
// http://beersmith.com/blog/2010/09/07/apparent-and-real-attenuation-for-beer-brewers-part-1/
const estABVrealExtract = (og, fg) => {
const oe = utils_1.sgToPlato(og);
const ae = utils_1.sgToPlato(fg);
const re = 0.1808 * oe + 0.8192 * ae;
const abw = (oe - re) / (2.0665 - 0.010665 * oe);
const abv = abw * (fg / 0.79661);
return abv;
};
const calcABV = (og, fg) => {
return {
value: estABVrealExtract(units_1.convertMeasurableValue(og, 'sg'), units_1.convertMeasurableValue(fg, 'sg')),
unit: '%',
};
};
exports.calcABV = calcABV;
/***/ }),
/***/ "./src/carbonation.ts":
/*!****************************!*\
!*** ./src/carbonation.ts ***!
\****************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.calcCalories = exports.carbonation = void 0;
const utils_1 = __webpack_require__(/*! ./utils */ "./src/utils.ts");
// https://byo.com/yeast/item/164-balancing-your-draft-system-advanced-brewing
const kegPressure = (carbVolume, t) => Math.max(0, -16.6999 -
0.0101059 * t +
0.00116512 * t * t +
0.173354 * t * carbVolume +
4.24267 * carbVolume -
0.0684226 * carbVolume * carbVolume);
// http://www.homebrewtalk.com/showthread.php?t=441383
const primingSugar = (carbVolume, t, batchSize) => 15.195 * batchSize * (carbVolume - 3.0378 + 5.0062e-2 * t - 2.6555e-4 * t * t);
const normalizeTemp = (t) => Math.max(32.0, utils_1.celsiusToFahrenheit(t));
const carbonation = (carbVolume, t, batchSize) => {
const sugar = primingSugar(carbVolume, normalizeTemp(t), utils_1.litersToGallons(batchSize));
return {
kegPressure: kegPressure(carbVolume, normalizeTemp(t)),
kegSugar: sugar * 0.5,
cornSugar: sugar,
dme: sugar * 1.538,
};
};
exports.carbonation = carbonation;
// http://beersmith.com/blog/2011/02/04/counting-calories-in-your-homebrewed-beer/
// Calorie_from_alcohol = 1881.22 * FG * (OG-FG)/(1.775-OG)
// Calories_from_carbs = 3550.0 * FG * ((0.1808 * OG) + (0.8192 * FG) – 1.0004)
// Total calories – just add the Calories_from_alcohol to Calories_from_carbs
const caloriesAlc = (og, fg) => 1881.22 * fg * ((og - fg) / (1.775 - og));
const caloriesExt = (og, fg) => 3550.0 * fg * (0.1808 * og + 0.8192 * fg - 1.0004);
const calcCalories = (og, fg) => caloriesAlc(og, fg) + caloriesExt(og, fg);
exports.calcCalories = calcCalories;
/***/ }),
/***/ "./src/color.ts":
/*!**********************!*\
!*** ./src/color.ts ***!
\**********************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.srmToCss = exports.srmToRgb = exports.calcColor = void 0;
const utils_1 = __webpack_require__(/*! ./utils */ "./src/utils.ts");
const units_1 = __webpack_require__(/*! ./units */ "./src/units.ts");
// MCU = (weight of grain in lbs)*(color of grain in lovibond) / (volume in gal) SRM = 1.4922 * MCU ^ 0.6859
const mcu2srm = (mcu) => 1.4922 * Math.pow(mcu, 0.6859);
const calcMCU = (amount, color) => color > 0.56 ? amount * color : 0;
const calcColor = (fermentables, postBoilVolume) => {
const fermentablesMCU = fermentables.map((fermentable) => {
return calcMCU(units_1.convertMeasurableValue(fermentable.amount, 'lb'), units_1.convertMeasurableValue(fermentable.color, 'Lovi'));
});
const colorSRM = mcu2srm(utils_1.sum(fermentablesMCU) / units_1.convertMeasurableValue(postBoilVolume, 'gal'));
return {
unit: 'SRM',
value: colorSRM,
};
};
exports.calcColor = calcColor;
const srmToRgb = (srm) => ({
r: Math.round(Math.min(255, Math.max(0, 255 * Math.pow(0.975, srm)))),
g: Math.round(Math.min(255, Math.max(0, 255 * Math.pow(0.88, srm)))),
b: Math.round(Math.min(255, Math.max(0, 255 * Math.pow(0.7, srm)))),
});
exports.srmToRgb = srmToRgb;
const srmToCss = (srm) => {
const color = exports.srmToRgb(srm);
return `rgb(${color.r}, ${color.g}, ${color.b})`;
};
exports.srmToCss = srmToCss;
/***/ }),
/***/ "./src/converter/converter.ts":
/*!************************************!*\
!*** ./src/converter/converter.ts ***!
\************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.convert = void 0;
const definitions_1 = __webpack_require__(/*! ./definitions */ "./src/converter/definitions.ts");
const DEFAULT_PRECISION = 2;
const roundValue = (value, precision) => +value.toFixed(precision);
/**
* @param {number} value
* @param {string} from
* @param {string} to
* @param {number} precision
* @returns {number}
*/
const convert = (value, from, to, precision) => {
if (value == null) {
throw new Error(`Unable to convert null or undefined!`);
}
let origin = null;
let destination = null;
for (const measurableTypeKey in definitions_1.default) {
const measurableType = definitions_1.default[measurableTypeKey];
for (const systemKey in measurableType) {
const system = measurableType[systemKey];
if (system.units.hasOwnProperty(from)) {
origin = { unit: system.units[from], system };
}
if (system.units.hasOwnProperty(to)) {
destination = { unit: system.units[to], system };
}
}
if (origin != null && destination == null) {
throw new Error(`Unable to convert [${measurableTypeKey}] unit [${from}] to [${to}]!`);
}
if (origin == null && destination != null) {
throw new Error(`Unable to convert [${from}] to [${measurableTypeKey}] unit [${to}]!`);
}
if (origin != null && destination != null) {
break;
}
}
if (origin == null) {
throw new Error(`Unit not found [${from}]!`);
}
if (destination == null) {
throw new Error(`Unit not found [${to}]!`);
}
const unitPrecision = destination.unit.precision != null
? destination.unit.precision
: DEFAULT_PRECISION;
const actualPrecision = precision != null ? precision : unitPrecision;
if (from === to) {
return roundValue(value, actualPrecision);
}
let result = value * origin.unit.ratio;
if (origin.system !== destination.system) {
result = destination.system.fromBase(origin.system.toBase(result));
}
result /= destination.unit.ratio;
return roundValue(result, actualPrecision);
};
exports.convert = convert;
/***/ }),
/***/ "./src/converter/definitions.ts":
/*!**************************************!*\
!*** ./src/converter/definitions.ts ***!
\**************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const utils_1 = __webpack_require__(/*! ../utils */ "./src/utils.ts");
exports.default = {
mass: {
metric: {
toBase: (v) => v,
fromBase: (v) => v,
units: {
mg: {
ratio: 0.001,
},
g: {
ratio: 1,
},
kg: {
ratio: 1000,
},
},
},
us: {
toBase: (v) => v * 453.592,
fromBase: (v) => v / 453.592,
units: {
lb: {
ratio: 1,
},
oz: {
ratio: 1 / 16,
},
},
},
},
volume: {
metric: {
toBase: (v) => v,
fromBase: (v) => v,
units: {
l: {
ratio: 1,
},
ml: {
ratio: 0.001,
},
},
},
imperial: {
toBase: (v) => v * 1.136523,
fromBase: (v) => v / 1.136523,
units: {
ifloz: {
ratio: 1 / 40,
},
ipt: {
ratio: 1 / 2,
},
iqt: {
ratio: 1,
},
igal: {
ratio: 4,
},
ibbl: {
ratio: 144,
},
},
},
us: {
toBase: (v) => v * 0.946353,
fromBase: (v) => v / 0.946353,
units: {
tsp: {
ratio: 1 / 192,
},
tbsp: {
ratio: 1 / 64,
},
floz: {
ratio: 1 / 32,
},
cup: {
ratio: 1 / 4,
},
pt: {
ratio: 1 / 2,
},
qt: {
ratio: 1,
},
gal: {
ratio: 4,
},
bbl: {
ratio: 124,
},
},
},
},
color: {
lovibond: {
toBase: utils_1.lovibondToSrm,
fromBase: utils_1.srmToLovibond,
units: {
Lovi: {
ratio: 1,
},
},
},
ebc: {
toBase: utils_1.ebcToSrm,
fromBase: utils_1.srmToEbc,
units: {
EBC: {
ratio: 1,
},
},
},
srm: {
toBase: (v) => v,
fromBase: (v) => v,
units: {
SRM: {
ratio: 1,
},
srm: {
ratio: 1,
},
},
},
},
gravity: {
sg: {
toBase: (v) => v,
fromBase: (v) => v,
units: {
sg: {
ratio: 1,
precision: 4,
},
},
},
plato: {
toBase: utils_1.platoToSG,
fromBase: utils_1.sgToPlato,
units: {
plato: {
ratio: 1,
},
},
},
brix: {
toBase: utils_1.brixToSG,
fromBase: utils_1.sgToBrix,
units: {
brix: {
ratio: 1,
},
},
},
},
temperature: {
celsius: {
toBase: (v) => v,
fromBase: (v) => v,
units: {
C: {
ratio: 1,
precision: 0,
},
},
},
fahrenheit: {
toBase: utils_1.fahrenheitToCelsius,
fromBase: utils_1.celsiusToFahrenheit,
units: {
F: {
ratio: 1,
precision: 0,
},
},
},
},
time: {
time: {
toBase: (v) => v,
fromBase: (v) => v,
units: {
sec: {
ratio: 1 / 60,
},
min: {
ratio: 1,
},
hr: {
ratio: 60,
},
day: {
ratio: 60 * 24,
},
week: {
ratio: 60 * 24 * 7,
},
month: {
ratio: 60 * 24 * 30,
},
year: {
ratio: 60 * 24 * 365,
},
},
},
},
pressure: {
pressure: {
toBase: (v) => v,
fromBase: (v) => v,
units: {
kPa: {
ratio: 1,
},
atm: {
ratio: 101.325,
},
bar: {
ratio: 100,
},
psi: {
ratio: 6.894757,
},
},
},
},
};
/***/ }),
/***/ "./src/culture.ts":
/*!************************!*\
!*** ./src/culture.ts ***!
\************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.yeastStarterGrow = exports.yeastCount = exports.yeastNeeded = void 0;
const utils_1 = __webpack_require__(/*! ./utils */ "./src/utils.ts");
const yeast_1 = __webpack_require__(/*! ./types/yeast */ "./src/types/yeast.ts");
// https://www.brewersfriend.com/yeast-pitch-rate-and-starter-calculator/
// million cells / ml / degree Plato
// Minimum manufacturer's recommendation: 0.35 (ale only, fresh yeast only)
// Middle of the road Pro Brewer 0.75 (ale)
// Pro Brewer 1.00 (high gravity ale)
// Pro Brewer 1.50 (minimum for lager)
// Pro Brewer 2.0 (high gravity lager)
// cellDensity = billion cells / gram
// Safale K-97 14
// Safale S-04 8
// Safbrew T-58 18
// Safbrew S-33 16
// Saflager S-23 10
// Saflager S-189 9
// A pack/vial contains 100 billion cells at the date of manufacture.
// Liquid yeast viability drops 21% each month, or 0.7% each day, from the date of manufacture.
// The assumption is the yeast viability drops in a linear fashion. In 4.75 months or 143 days, this calculator assumes the yeast is 100% dead (100 / 0.7 = ~143).
// million 10 ^ 6
// billion 10 ^ 9
const yeastNeeded = (pitchRate, batchSize, e) => (pitchRate * (batchSize * 1000) * e) / 1000;
exports.yeastNeeded = yeastNeeded;
const viability = (currentDate, cultureDate = new Date().toString()) => 100 -
Math.floor((Date.parse(currentDate) - Date.parse(cultureDate)) / 86400000) *
0.7;
const yeastCount = ({ amount, form, cultureDate }, currentDate = new Date().toString(), cellDensity = 8,
// billion cells / ml
slurryDensity = 1) => {
switch (form) {
case yeast_1.YeastForms.dry:
return cellDensity * amount * 1000;
case yeast_1.YeastForms.liquid:
return 100 * (viability(currentDate, cultureDate) / 100) * amount;
case yeast_1.YeastForms.slant:
return slurryDensity * amount * 1000;
default:
throw new Error('NotImplementedError');
}
};
exports.yeastCount = yeastCount;
const yeastGrowth = (ratio) => 2.33 - 0.67 * ratio;
const growthRateCurveBraukaiserStir = (ratio) => ratio < 1.4
? 1.4
: ratio >= 1.4 && ratio <= 3.5 && yeastGrowth(ratio) > 0
? yeastGrowth(ratio)
: 0;
const yeastStarterGrow = (startingYeastCount, starterSize, gravity, batchSize) => {
const volumeLevel = utils_1.litersToGallons(starterSize);
const pointsNeeded = volumeLevel * (gravity - 1) * 1000;
const poundsDME = pointsNeeded / 42;
const gramsDME = utils_1.poundsTokg(poundsDME) * 1000;
const cellsToGramsRatio = startingYeastCount / gramsDME;
const growthRate = growthRateCurveBraukaiserStir(cellsToGramsRatio);
const endingCount = gramsDME * growthRate + startingYeastCount;
const pitchRate = (endingCount * 1000) / utils_1.sgToPlato(gravity) / (batchSize / 1000);
return {
growthRate: growthRate,
endingCount: endingCount,
pitchRate: pitchRate,
};
};
exports.yeastStarterGrow = yeastStarterGrow;
/***/ }),
/***/ "./src/gravity.ts":
/*!************************!*\
!*** ./src/gravity.ts ***!
\************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.calcBoilGravity = exports.calcFinalGravity = exports.calcOriginalGravity = exports.calcTotalGravityPoints = void 0;
const utils_1 = __webpack_require__(/*! ./utils */ "./src/utils.ts");
const units_1 = __webpack_require__(/*! ./units */ "./src/units.ts");
// Sugar provides 46 gravity points per pound, per gallon (PPPG).
// 1 pound = 16 oz (weight/mass)
// 1 gallon = 128 fl oz
// yield and efficiency should be parsed from recipe as percent values
// The maximum potential is approximately 1.046 which would be a pound of pure sugar in a gallon of water.
const yieldToPotential = (fermentableYield) => ({
value: (fermentableYield.value * 0.01 * 46) / 1000 + 1,
unit: 'sg',
});
const calcFermentableEfficiency = (type, equipmentEfficiency, sugarEfficiency = 1) => type === 'extract' || type === 'sugar' || type === 'dry extract'
? sugarEfficiency
: equipmentEfficiency;
const calcFermentablePotential = (fermentableYield) => {
if (fermentableYield.potential != null) {
return fermentableYield.potential;
}
if (fermentableYield.fine_grind != null) {
return yieldToPotential(fermentableYield.fine_grind);
}
if (fermentableYield.coarse_grind != null) {
return yieldToPotential(fermentableYield.coarse_grind);
}
return { value: 0, unit: 'sg' };
};
const calcFermentableGravityPoints = (fermentable, brewhouseEfficiency = { value: 100, unit: '%' }, attenuation = { value: 0, unit: '%' }) => {
const amountValue = units_1.convertMeasurableValue(fermentable.amount, 'lb');
const potentialValue = units_1.convertMeasurableValue(calcFermentablePotential(fermentable.yield), 'sg');
const efficiencyValue = (1 - attenuation.value / 100) *
calcFermentableEfficiency(fermentable.type, brewhouseEfficiency.value / 100);
return (potentialValue - 1) * amountValue * efficiencyValue;
};
const calcTotalGravityPoints = (fermentables, efficiency, attenuation) => utils_1.sum(fermentables.map((fermentable) => calcFermentableGravityPoints(fermentable, efficiency.brewhouse, attenuation)));
exports.calcTotalGravityPoints = calcTotalGravityPoints;
const calcGravity = (batchSize, gravityPoints) => {
return 1.0 + gravityPoints / units_1.convertMeasurableValue(batchSize, 'gal');
};
const boilGravity = (batchSizeInGallons, boilSizeInGallons, ogInSG) => 1 + ((ogInSG - 1) * batchSizeInGallons) / boilSizeInGallons;
const calcOriginalGravity = (batchSize, fermentables, efficiency) => {
const ogValue = calcGravity(batchSize, exports.calcTotalGravityPoints(fermentables, efficiency));
return {
unit: 'sg',
value: ogValue,
};
};
exports.calcOriginalGravity = calcOriginalGravity;
const calcFinalGravity = (batchSize, fermentables, efficiency, cultures) => {
const fgValue = calcGravity(batchSize, exports.calcTotalGravityPoints(fermentables, efficiency, cultures[0].attenuation));
return {
unit: 'sg',
value: fgValue,
};
};
exports.calcFinalGravity = calcFinalGravity;
const calcBoilGravity = (batchSize, boilSize, OG) => {
return {
unit: 'sg',
value: boilGravity(units_1.convertMeasurableValue(batchSize, 'gal'), units_1.convertMeasurableValue(boilSize, 'gal'), units_1.convertMeasurableValue(OG, 'sg')),
};
};
exports.calcBoilGravity = calcBoilGravity;
/***/ }),
/***/ "./src/hops.ts":
/*!*********************!*\
!*** ./src/hops.ts ***!
\*********************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.bitternessIbuRager = exports.bitternessRatio = exports.bitternessIbuTinseth = void 0;
const utils_1 = __webpack_require__(/*! ./utils */ "./src/utils.ts");
const units_1 = __webpack_require__(/*! ./units */ "./src/units.ts");
const timing_1 = __webpack_require__(/*! ./timing */ "./src/timing.ts");
const alphaAcidUnits = (amountInOz, alphaAcid) => amountInOz * alphaAcid;
const gravityFactor = (boilGravityValue) => 1.65 * Math.pow(0.000125, boilGravityValue - 1);
const timeFactor = (boilTimeInMin) => (1 - Math.exp(-0.04 * boilTimeInMin)) / 4.15;
const pelletFactor = (form = '') => form === 'pellet' ? 1.1 : 1;
const ibuUtilization = (hopForm = '', boilGravityValue, boilTimeInMin = 0) => pelletFactor(hopForm) *
gravityFactor(boilGravityValue) *
timeFactor(boilTimeInMin);
// Glenn Tinseth developed the following formula to calculate bitterness in IBUs:
// IBU = (U * ozs hops * 7490)/Volume (in gallons) U represents the utilization of the hops (conversion to iso-alpha-acids) based on boil time and wort gravity.
// U = bigness factor * boil time factor
// http://www.howtobrew.com/book/section-1/hops/hop-bittering-calculations
const bitternessIbuTinseth = (hops, boilGravity, postBoilVolume) => {
const bitterness = utils_1.sum(hops.map(({ amount, alpha_acid, form, timing }) => {
// TODO: research needed
if (!timing_1.use(timing).add_to_boil) {
return 0;
}
const AAU = alphaAcidUnits(units_1.convertMeasurableValue(amount, 'oz'), alpha_acid.value);
const U = ibuUtilization(form, units_1.convertMeasurableValue(boilGravity, 'sg'), timing_1.boilTime(timing));
return (U * AAU * 74.89) / units_1.convertMeasurableValue(postBoilVolume, 'gal');
}));
return {
value: bitterness,
unit: 'IBUs',
};
};
exports.bitternessIbuTinseth = bitternessIbuTinseth;
// The preceived bitterness expressed in a ratio of IBUs to gravity. This is frequently seen expressed as BU/GU.
// The Gravity Units are the decimal portion of the original gravity
// http://beersmith.com/blog/2009/09/26/balancing-your-beer-with-the-bitterness-ratio/
const bitternessRatio = (ibu, gu) => ibu / gu;
exports.bitternessRatio = bitternessRatio;
// rager
const ragerHopGravityAdjustment = (sgb) => sgb <= 1.05 ? 0 : (sgb - 1.05) / 0.2;
const ragerUtil = (time) => 18.11 + 13.86 * Math.tanh((time - 31.32) / 18.27);
const ragerHopIbu = (hop, boilGravity, postBoilVolume) => {
if (!timing_1.use(hop.timing).add_to_boil) {
return 0;
}
const U = (ragerUtil(Math.floor(timing_1.boilTime(hop.timing) + 0.5)) *
pelletFactor(hop.form)) /
100;
const AAU = alphaAcidUnits(hop.amount.value, hop.alpha_acid.value);
return ((U * AAU * 74.89) /
postBoilVolume.value /
(1.0 + ragerHopGravityAdjustment(boilGravity.value)));
};
const bitternessIbuRager = (hops, boilGravity, postBoilVolume) => {
const bitterness = utils_1.sum(hops.map((hop) => ragerHopIbu(hop, boilGravity, postBoilVolume)));
return {
value: bitterness,
unit: 'IBUs',
};
};
exports.bitternessIbuRager = bitternessIbuRager;
/***/ }),
/***/ "./src/index.ts":
/*!**********************!*\
!*** ./src/index.ts ***!
\**********************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.yeastStarterGrow = exports.yeastNeeded = exports.yeastCount = exports.carbonation = exports.calcCalories = exports.recalculateMashSteps = exports.calcMashGrainWeight = exports.calcMashVolumes = exports.calcBoilVolumes = exports.calculateRecipeBeerJSON = exports.bitternessRatio = exports.bitternessIbuTinseth = exports.bitternessIbuRager = exports.calcABV = exports.srmToRgb = exports.srmToCss = exports.calcColor = exports.calcBoilGravity = exports.calcFinalGravity = exports.calcOriginalGravity = exports.convertMeasurableValue = exports.convert = void 0;
const culture_1 = __webpack_require__(/*! ./culture */ "./src/culture.ts");
Object.defineProperty(exports, "yeastCount", { enumerable: true, get: function () { return culture_1.yeastCount; } });
Object.defineProperty(exports, "yeastNeeded", { enumerable: true, get: function () { return culture_1.yeastNeeded; } });
Object.defineProperty(exports, "yeastStarterGrow", { enumerable: true, get: function () { return culture_1.yeastStarterGrow; } });
const carbonation_1 = __webpack_require__(/*! ./carbonation */ "./src/carbonation.ts");
Object.defineProperty(exports, "calcCalories", { enumerable: true, get: function () { return carbonation_1.calcCalories; } });
Object.defineProperty(exports, "carbonation", { enumerable: true, get: function () { return carbonation_1.carbonation; } });
const hops_1 = __webpack_require__(/*! ./hops */ "./src/hops.ts");
Object.defineProperty(exports, "bitternessIbuRager", { enumerable: true, get: function () { return hops_1.bitternessIbuRager; } });
Object.defineProperty(exports, "bitternessIbuTinseth", { enumerable: true, get: function () { return hops_1.bitternessIbuTinseth; } });
Object.defineProperty(exports, "bitternessRatio", { enumerable: true, get: function () { return hops_1.bitternessRatio; } });
const utils_1 = __webpack_require__(/*! ./utils */ "./src/utils.ts");
const units_1 = __webpack_require__(/*! ./units */ "./src/units.ts");
Object.defineProperty(exports, "convertMeasurableValue", { enumerable: true, get: function () { return units_1.convertMeasurableValue; } });
const converter_1 = __webpack_require__(/*! ./converter/converter */ "./src/converter/converter.ts");
Object.defineProperty(exports, "convert", { enumerable: true, get: function () { return converter_1.convert; } });
const mash_1 = __webpack_require__(/*! ./mash */ "./src/mash.ts");
Object.defineProperty(exports, "calcMashGrainWeight", { enumerable: true, get: function () { return mash_1.calcMashGrainWeight; } });
Object.defineProperty(exports, "recalculateMashSteps", { enumerable: true, get: function () { return mash_1.recalculateMashSteps; } });
const volumes_1 = __webpack_require__(/*! ./volumes */ "./src/volumes.ts");
Object.defineProperty(exports, "calcBoilVolumes", { enumerable: true, get: function () { return volumes_1.calcBoilVolumes; } });
Object.defineProperty(exports, "calcMashVolumes", { enumerable: true, get: function () { return volumes_1.calcMashVolumes; } });
const gravity_1 = __webpack_require__(/*! ./gravity */ "./src/gravity.ts");
Object.defineProperty(exports, "calcOriginalGravity", { enumerable: true, get: function () { return gravity_1.calcOriginalGravity; } });
Object.defineProperty(exports, "calcFinalGravity", { enumerable: true, get: function () { return gravity_1.calcFinalGravity; } });
Object.defineProperty(exports, "calcBoilGravity", { enumerable: true, get: function () { return gravity_1.calcBoilGravity; } });
const color_1 = __webpack_require__(/*! ./color */ "./src/color.ts");
Object.defineProperty(exports, "srmToCss", { enumerable: true, get: function () { return color_1.srmToCss; } });
Object.defineProperty(exports, "srmToRgb", { enumerable: true, get: function () { return color_1.srmToRgb; } });
Object.defineProperty(exports, "calcColor", { enumerable: true, get: function () { return color_1.calcColor; } });
const abv_1 = __webpack_require__(/*! ./abv */ "./src/abv.ts");
Object.defineProperty(exports, "calcABV", { enumerable: true, get: function () { return abv_1.calcABV; } });
const calculateRecipeBeerJSON = (recipe, mash, equipment) => {
const { batch_size, boil, efficiency, ingredients } = recipe;
const { fermentable_additions, hop_additions, culture_additions } = ingredients;
let original_gravity = {
unit: 'sg',
value: null,
};
let final_gravity = {
unit: 'sg',
value: null,
};
let color = {
unit: 'SRM',
value: null,
};
let ibu = {
unit: 'IBUs',
value: null,
};
let abv = {
unit: '%',
value: null,
};
let volumes = null;
let calculatedMash = null;
let calculatedBoil = null;
if (utils_1.isNotEmptyArray(fermentable_additions)) {
original_gravity = gravity_1.calcOriginalGravity(batch_size, fermentable_additions, efficiency);
const defaultCultureAddition = {
name: 'Default Culture',
type: 'ale',
form: 'liquid',
attenuation: { value: 75, unit: '%' },
};
final_gravity = gravity_1.calcFinalGravity(batch_size, fermentable_additions, efficiency, utils_1.isNotEmptyArray(culture_additions)
? culture_additions
: [defaultCultureAddition]);
abv = abv_1.calcABV(original_gravity, final_gravity);
const { pre_boil_size } = volumes_1.calcBoilVolumes(batch_size, boil, equipment);
volumes = {
pre_boil_size,
};
if (mash) {
const mashGrainWeight = mash_1.calcMashGrainWeight(fermentable_additions);
const mashSteps = mash_1.recalculateMashSteps(mash.mash_steps, mash.grain_temperature, mashGrainWeight);
const { sparge_volume, mash_volume, total_volume } = volumes_1.calcMashVolumes(pre_boil_size, mashSteps, mashGrainWeight, equipment);
volumes = Object.assign(Object.assign({}, volumes), { sparge_volume,
mash_volume,
total_volume });
calculatedMash = Object.assign(Object.assign({}, mash), { mash_steps: mash_1.updateSpargeVolume(mashSteps, sparge_volume) });
}
if (boil) {
calculatedBoil = Object.assign(Object.assign({}, boil), { pre_boil_size });
}
color = color_1.calcColor(fermentable_additions, batch_size);
if (utils_1.isNotEmptyArray(hop_additions)) {
const boilGravity = gravity_1.calcBoilGravity(batch_size, pre_boil_size, original_gravity);
ibu = hops_1.bitternessIbuTinseth(hop_additions, boilGravity, batch_size);
}
}
return {
stats: {
original_gravity: utils_1.roundMeasurable(original_gravity, 3),
final_gravity: utils_1.roundMeasurable(final_gravity, 3),
alcohol_by_volume: utils_1.roundMeasurable(abv, 1),
ibu_estimate: utils_1.roundMeasurable(ibu, 1),
color_estimate: utils_1.roundMeasurable(color, 1),
},
volumes,
mash: calculatedMash,
boil: calculatedBoil,
};
};
exports.calculateRecipeBeerJSON = calculateRecipeBeerJSON;
/***/ }),
/***/ "./src/mash.ts":
/*!*********************!*\
!*** ./src/mash.ts ***!
\*********************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.updateSpargeVolume = exports.calcMashGrainWeight = exports.recalculateMashSteps = void 0;
const utils_1 = __webpack_require__(/*! ./utils */ "./src/utils.ts");
const units_1 = __webpack_require__(/*! ./units */ "./src/units.ts");
const timing_1 = __webpack_require__(/*! ./timing */ "./src/timing.ts");
const grainVolume = 0.652; // l/kg
const boilingTemp = 100;
const maltSpecificHeat = 0.38; // Cal/gram-C
const initialWaterGrainRatio = 2.5; // l/kg
const adjustTunMass = (tunVolume, totVolume, tunMass) => {
tunVolume = tunVolume * 0.8;
return tunVolume > 0 && totVolume < tunVolume
? (tunMass * totVolume) / tunVolume
: tunMass;
};
const calcDecoctionStep = (startTemp, targetTemp, startVolume, mashGrainWeight, tunMass = 0, tunSpecificHeat = 0, tunVolume = 0) => {
const totVolume = grainVolume * mashGrainWeight + startVolume;
const adjustedTunMass = adjustTunMass(tunVolume, totVolume, tunMass);
let fraction = (((maltSpecificHeat * mashGrainWeight +
tunSpecificHeat * adjustedTunMass +
startVolume) /
(maltSpecificHeat * mashGrainWeight + startVolume)) *
(targetTemp - startTemp)) /
(boilingTemp - startTemp);
if (fraction > 1) {
fraction = 1;
}
return { amount: { value: totVolume * fraction, unit: 'l' } };
};
const calcInfusionStep = (startTemp, stepTemp, startVolume, index, mashGrainWeight) => {
const infuseTemp = index > 0
? boilingTemp
: (maltSpecificHeat * (stepTemp - startTemp)) / initialWaterGrainRatio +
stepTemp;
const infuseAmount = ((mashGrainWeight * maltSpecificHeat + startVolume) *
(stepTemp - startTemp)) /
(infuseTemp - stepTemp);
return {
infuse_temperature: {
unit: 'C',
value: infuseTemp,
},
amount: {
unit: 'l',
value: infuseAmount,
},
};
};
function recalculateMashSteps(mash_steps, grain_temperature, mashGrainWeight) {
let startVolume = 0;
let startTemp = grain_temperature.value;
const grainWeightValue = units_1.convertMeasurableValue(mashGrainWeight, 'kg');
return mash_steps.map((step, index) => {
const stepTemp = utils_1.getMeasurableValue(step.step_temperature);
switch (step.type) {
case 'decoction': {
const { amount } = calcDecoctionStep(startTemp, stepTemp, startVolume, grainWeightValue);
return Object.assign(Object.assign({}, step), { amount });
}
case 'infusion': {
const { amount, infuse_temperature } = calcInfusionStep(startTemp, stepTemp, startVolume, index, grainWeightValue);
startVolume += amount.value;
startTemp = stepTemp;
return Object.assign(Object.assign({}, step), { infuse_temperature,
amount });
}
default:
return step;
}
});
}
exports.recalculateMashSteps = recalculateMashSteps;
const calcMashGrainWeight = (fermentables) => {
const value = utils_1.sum(fermentables.map(({ timing, type, amount }) => type === 'grain' && timing_1.use(timing).add_to_mash
? units_1.convertMeasurableValue(amount, 'lb')
: 0));
return {
value,
unit: 'lb',
};
};
exports.calcMashGrainWeight = calcMashGrainWeight;
function updateSpargeVolume(mash_steps, spargeVolume) {
return mash_steps.map((step) => {
if (step.type === 'sparge') {
return Object.assign(Object.assign({}, step), { amount: spargeVolume });
}
return step;
});
}
exports.updateSpargeVolume = updateSpargeVolume;
/***/ }),
/***/ "./src/timing.ts":
/*!***********************!*\
!*** ./src/timing.ts ***!
\***********************/
/*! no static exports found */