Installation

$ yarn add macrouse

Usage

Running the app

import Macrouse from 'macrouse';

const userData = {
  weight: 70,
  height: 180,
  age: 38,
  gender: 'male',
  exercise: 'low',
};
const macrouse = new Macrouse(userData);

const macros = {
  fat: '50%',
  protein: '20%',
  carbs: '30%',
};
macrouse.distributeMacros(macros);

Documentation

Macrouse (class)

constructor({ weight, height, age, gender, exercise })

| Param | Type | Description | | --- | --- | --- | | weight | number | User weight in kgs | | height | number | User height in cms | | age | number | User age | | gender | string | User gender. Allowed values: 'man', 'woman' | | exercise | string | User exercise. Allowed values: 'none', 'low', 'medium', 'high', 'extreme' |

weight(weight)

Sets the user weight.

| Param | Type | Description | | --- | --- | --- | | weight | number | User weight |

height(height)

Sets the user height.

| Param | Type | Description | | --- | --- | --- | | height | number | User height |

age(age)

Sets the user age.

| Param | Type | Description | | --- | --- | --- | | age | number | User age |

gender(gender)

Sets the user gender.

| Param | Type | Description | | --- | --- | --- | | gender | string | User gender. Allowed values: 'male', 'female' |

exercise(exercise)

Sets the user exercise.

| Param | Type | Description | | --- | --- | --- | | exercise | string | User exercise. Allowed values: 'none', 'low', 'medium', 'high', 'extreme' |

bmr()

Gets the BMR (Basal Metabolic Rate) for the configured user using the Harris-Benedict equation.

tee()

Gets de TEE (Total Energy Expenditure) for the configured user.

distributeMacros(macros)

Distributes the macros so that the total of the calories matches the calculated TEE.

Input data may have different formats. The user can provide:

• The percentages for each macro to calculate the grams values. E.g.:

macros = {
  fat: '50%',
  protein: '20%',
  carbs: '30%',
}

or

macros = {
  fat: '70%',
  protein: '30%',
}

• The value for one macro and the percentages for the remaining macros.

macros = {
  fat: '70%',
  protein: '30%',
  carbs: 50,
}

• The value for two macros.

macros = {
  carbs: 30,
  protein: 140,
}

| Param | Type | Description | | --- | --- | --- | | macros | Object | | | macros.fat | number | string | Fat in grams or percentage | | macros.protein | number | string | Protein in grams or percentage | | macros.carbs | number | string | Carbs in grams or percentage |