compute-bmi
Version:
Compute BMI and breakdown nutrients
257 lines (242 loc) • 21.6 kB
JavaScript
/******/ (() => { // webpackBootstrap
/******/ "use strict";
/******/ var __webpack_modules__ = ({
/***/ "./src/index.ts":
/*!**********************!*\
!*** ./src/index.ts ***!
\**********************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */ "default": () => __WEBPACK_DEFAULT_EXPORT__
/* harmony export */ });
/* harmony import */ var _lib_calculate__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./lib/calculate */ "./src/lib/calculate.ts");
var BMICalculator = /** @class */ (function () {
function BMICalculator(measurements) {
if (!measurements)
throw new Error('Measurement required!');
this.height = measurements.height;
this.weight = measurements.weight;
}
/**
*
* Generate the whole result
*
*/
BMICalculator.prototype.results = function () {
var data = {
height: this.height,
weight: this.weight
};
return (0,_lib_calculate__WEBPACK_IMPORTED_MODULE_0__.generateResults)(data);
};
return BMICalculator;
}());
/* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = (BMICalculator);
/***/ }),
/***/ "./src/lib/calculate.ts":
/*!******************************!*\
!*** ./src/lib/calculate.ts ***!
\******************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */ "generateResults": () => /* binding */ generateResults,
/* harmony export */ "computeBMI": () => /* binding */ computeBMI,
/* harmony export */ "getBmiClassification": () => /* binding */ getBmiClassification,
/* harmony export */ "computeDesirableBodyWeight": () => /* binding */ computeDesirableBodyWeight,
/* harmony export */ "computeCalories": () => /* binding */ computeCalories,
/* harmony export */ "getNutrientsBreakdown": () => /* binding */ getNutrientsBreakdown
/* harmony export */ });
/* harmony import */ var _reference__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./reference */ "./src/lib/reference.ts");
/**
*
* Generate the final result
* @param {number} height
* @param {number} weight
* @return {Object} final results
*
*/
var generateResults = function (measurements) {
var bmi = computeBMI(measurements);
var bmiUserClassification = getBmiClassification(bmi);
var desirableBodyWeight = computeDesirableBodyWeight(measurements.height);
var kcal = computeCalories(desirableBodyWeight, bmiUserClassification);
var nutrients = getNutrientsBreakdown(kcal);
return {
bmi: bmi,
bmiClassification: bmiUserClassification,
dbw: desirableBodyWeight,
kcal: kcal,
nutrients: nutrients
};
};
/**
*
* Calculate BMI based on the measurement value given
* @param {number} height
* @param {number} weight
* @return {number} bmi result
*
*/
var computeBMI = function (measurements) {
var heightToMeter = measurements.height / 100;
var heightSquared = Math.pow(heightToMeter, 2);
var bmi = measurements.weight / heightSquared;
return Math.round((bmi + Number.EPSILON) * 100) / 100;
};
/**
*
* @param {*} bmi computed BMI
* @return {string} BMI Clasification
*/
var getBmiClassification = function (bmi) {
switch (true) {
case (bmi < _reference__WEBPACK_IMPORTED_MODULE_0__.low):
return _reference__WEBPACK_IMPORTED_MODULE_0__.underweight;
case (bmi >= _reference__WEBPACK_IMPORTED_MODULE_0__.low && bmi <= _reference__WEBPACK_IMPORTED_MODULE_0__.high):
return _reference__WEBPACK_IMPORTED_MODULE_0__.normal;
case (bmi > _reference__WEBPACK_IMPORTED_MODULE_0__.high):
return _reference__WEBPACK_IMPORTED_MODULE_0__.overweight;
default:
return _reference__WEBPACK_IMPORTED_MODULE_0__.defaultMessage;
}
};
/**
*
* Compute the Desirable Body Weight
* @param {*} height
* @return {number}
*
*/
var computeDesirableBodyWeight = function (height) {
var heightMinusOneHundred = height - 100;
var heightTenPercent = heightMinusOneHundred * 0.10;
var desirableBodyWeight = heightMinusOneHundred - heightTenPercent;
return desirableBodyWeight;
};
/**
*
* Compute the Calories
* @param {*} dbw Desirable Body Weight
* @param {*} classification BMI classification
*
*/
var computeCalories = function (dbw, classification) {
var kcal;
var computedDbw;
switch (classification) {
case _reference__WEBPACK_IMPORTED_MODULE_0__.underweight:
computedDbw = dbw + (dbw * 0.10);
kcal = computedDbw * 35;
return kcal;
case _reference__WEBPACK_IMPORTED_MODULE_0__.normal:
kcal = dbw * 30;
return kcal;
case _reference__WEBPACK_IMPORTED_MODULE_0__.overweight:
computedDbw = dbw - (dbw * 0.10);
kcal = computedDbw * 25;
return kcal;
default:
return _reference__WEBPACK_IMPORTED_MODULE_0__.defaultValue;
}
};
/**
*
* Getting the nutrients breakdown
* @param {*} kcal calories
* @returns {Object} list nutrients
*/
var getNutrientsBreakdown = function (kcal) {
return {
carbohydrates: (kcal * 0.6) / 4,
protein: (kcal * 0.15) / 4,
fat: (kcal * 0.25) / 9
};
};
/***/ }),
/***/ "./src/lib/reference.ts":
/*!******************************!*\
!*** ./src/lib/reference.ts ***!
\******************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */ "low": () => /* binding */ low,
/* harmony export */ "high": () => /* binding */ high,
/* harmony export */ "underweight": () => /* binding */ underweight,
/* harmony export */ "normal": () => /* binding */ normal,
/* harmony export */ "overweight": () => /* binding */ overweight,
/* harmony export */ "defaultMessage": () => /* binding */ defaultMessage,
/* harmony export */ "defaultValue": () => /* binding */ defaultValue
/* harmony export */ });
var low = 18.5;
var high = 24.9;
var underweight = 'underweight';
var normal = 'normal';
var overweight = 'overweight';
var defaultMessage = 'Unable to get classification';
var defaultValue = 0;
/***/ })
/******/ });
/************************************************************************/
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;
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{ generateResults } from \"./lib/calculate\";\r\n\r\ninterface MeasurementValue {\r\n  height: number;\r\n  weight: number;\r\n}\r\n\r\nexport default class BMICalculator {\r\n\r\n  /**\r\n   * Height\r\n   */\r\n  private height: number;\r\n\r\n\r\n  /**\r\n   * Weight\r\n   */\r\n  private weight: number;\r\n\r\n\r\n  /**\r\n   * Calculate the result based \r\n   * on the mesurement value\r\n   */\r\n  public generate: object;\r\n\r\n\r\n  constructor(measurements: MeasurementValue) {\r\n    if (!measurements) throw new Error('Measurement required!');\r\n\r\n    this.height = measurements.height;\r\n    this.weight =  measurements.weight;\r\n\r\n  }\r\n\r\n  /**\r\n   * \r\n   * Generate the whole result\r\n   * \r\n   */\r\n  public results() {\r\n\r\n    const data = {\r\n      height: this.height,\r\n      weight: this.weight\r\n    }\r\n\r\n    return generateResults(data);\r\n  }\r\n\r\n}","import * as ref from \"./reference\";\r\n\r\ninterface MeasurementValue {\r\n  height: number;\r\n  weight: number;\r\n}\r\n\r\n/**\r\n * \r\n * Generate the final result\r\n * @param {number} height \r\n * @param {number} weight\r\n * @return {Object} final results\r\n *  \r\n */\r\nexport const generateResults = (measurements: MeasurementValue) => {\r\n\r\n    const bmi = computeBMI(measurements);\r\n    const bmiUserClassification = getBmiClassification(bmi);\r\n    const desirableBodyWeight = computeDesirableBodyWeight(measurements.height)\r\n    const kcal = computeCalories(desirableBodyWeight, bmiUserClassification)\r\n    const nutrients = getNutrientsBreakdown(kcal)\r\n\r\n    return {\r\n      bmi: bmi,\r\n      bmiClassification: bmiUserClassification,\r\n      dbw: desirableBodyWeight,\r\n      kcal: kcal,\r\n      nutrients: nutrients\r\n    }\r\n}\r\n\r\n\r\n/**\r\n * \r\n * Calculate BMI based on the measurement value given\r\n * @param {number} height \r\n * @param {number} weight\r\n * @return {number} bmi result\r\n * \r\n */\r\nexport const computeBMI = (measurements: MeasurementValue) => {\r\n\r\n    const heightToMeter = measurements.height / 100\r\n    const heightSquared = Math.pow(heightToMeter, 2);\r\n    const bmi = measurements.weight / heightSquared;\r\n\r\n    return Math.round((bmi + Number.EPSILON) * 100) / 100;\r\n}\r\n\r\n\r\n/**\r\n * \r\n * @param {*} bmi computed BMI\r\n * @return {string} BMI Clasification\r\n */\r\nexport const getBmiClassification = (bmi: number) => {\r\n  switch(true){\r\n    case (bmi < ref.low):\r\n        return ref.underweight\r\n\r\n    case (bmi >= ref.low && bmi <= ref.high):\r\n        return ref.normal\r\n\r\n    case (bmi > ref.high):\r\n        return ref.overweight\r\n        \r\n    default:\r\n        return ref.defaultMessage\r\n  }\r\n}\r\n\r\n\r\n/**\r\n * \r\n * Compute the Desirable Body Weight\r\n * @param {*} height \r\n * @return {number} \r\n * \r\n */\r\nexport const computeDesirableBodyWeight = (height: number) => {\r\n\r\n  const heightMinusOneHundred = height - 100\r\n  const heightTenPercent = heightMinusOneHundred * 0.10\r\n  const desirableBodyWeight = heightMinusOneHundred - heightTenPercent\r\n\r\n  return desirableBodyWeight\r\n}\r\n\r\n\r\n/**\r\n * \r\n * Compute the Calories\r\n * @param {*} dbw Desirable Body Weight\r\n * @param {*} classification BMI classification\r\n * \r\n */\r\nexport const computeCalories = (dbw: number, classification: string) => {\r\n\r\n  let kcal\r\n  let computedDbw\r\n\r\n  switch (classification){\r\n      case ref.underweight:\r\n          computedDbw = dbw + (dbw * 0.10)\r\n          kcal = computedDbw * 35\r\n          return kcal\r\n\r\n      case ref.normal:\r\n          kcal = dbw * 30\r\n          return kcal\r\n\r\n      case ref.overweight:\r\n          computedDbw = dbw - (dbw * 0.10)\r\n          kcal = computedDbw * 25\r\n          return kcal\r\n\r\n      default:\r\n          return ref.defaultValue\r\n  }\r\n}\r\n\r\n\r\n/**\r\n * \r\n * Getting the nutrients breakdown\r\n * @param {*} kcal calories\r\n * @returns {Object} list nutrients\r\n */\r\nexport const getNutrientsBreakdown = (kcal: number) => {\r\n  return {\r\n      carbohydrates: (kcal * 0.6) / 4,\r\n      protein: (kcal * 0.15) / 4,\r\n      fat: (kcal * 0.25) / 9\r\n  }\r\n}","export const low = 18.5\r\nexport const high = 24.9\r\n\r\nexport const underweight = 'underweight'\r\nexport const normal = 'normal'\r\nexport const overweight = 'overweight'\r\nexport const defaultMessage = 'Unable to get classification'\r\nexport const defaultValue = 0","// The module cache\nvar __webpack_module_cache__ = {};\n\n// The require function\nfunction __webpack_require__(moduleId) {\n\t// Check if module is in cache\n\tif(__webpack_module_cache__[moduleId]) {\n\t\treturn __webpack_module_cache__[moduleId].exports;\n\t}\n\t// Create a new module (and put it into the cache)\n\tvar module = __webpack_module_cache__[moduleId] = {\n\t\t// no module.id needed\n\t\t// no module.loaded needed\n\t\texports: {}\n\t};\n\n\t// Execute 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