Fix en el jest

.babelrc

+{
+    "env": {
+      "test": {
+        "presets": ["@babel/preset-typescript"],
+        "plugins": ["@babel/plugin-transform-modules-commonjs"]
+      }
+    }
+    
+}
\ No newline at end of file

.vscode/settings.json

+{
+}
\ No newline at end of file

__test__/ERCalculator.test.ts

-const age = require('../src/Enum/AgeBracket');
-const sex = require('../src/Enum/Sex');
+import age from '../src/Enum/AgeBracket';
+import sex from '../src/Enum/Sex';
 
-const sum = require('../src/Services/ERCalculator');
+const ERCalculator = require('../src/Services/ERCalculator');
 
 describe('Check', () => {
-  it("Probar si se devuelve 'true' cuando el tipo es IndividualMaternity", () => { expect(sum.isIndividualMaternity({ pregnantWoman: 5, lactatingWomen: 2 })).toBe(true); });
-  it("Probar si se devuelve 'false' cuando el tipo NO es IndividualMaternity", () => { expect(sum.isIndividualMaternity({ countryBirthRate: 3, countryWomenInAgeGroup: 2, countryPopulation: 1239 })).toBe(false); });
+  it("Probar si se devuelve 'true' cuando el tipo es IndividualMaternity", () => { expect(ERCalculator.isIndividualMaternity({ pregnantWoman: 5, lactatingWomen: 2 })).toBe(true); });
+  it("Probar si se devuelve 'false' cuando el tipo NO es IndividualMaternity", () => { expect(ERCalculator.isIndividualMaternity({ countryBirthRate: 3, countryWomenInAgeGroup: 2, countryPopulation: 1239 })).toBe(false); });
 });
 
 describe('Verificar si funciona el cálculo del GET (entre 6 y 17 años)', () => {
   it('Varones de 15 años', () => {
-    expect(Math.round(sum.calculateTEE({
-      age: AgeBracket.a15, sex: Sex.Male, medianWeight: 55, population: 5,
+    expect(Math.round(ERCalculator.calculateTEE({
+      age: age.a15, sex: sex.Male, medianWeight: 55, population: 5,
     }, [310.2, 63.3, -0.263, 31, -15, 15],
     { lowPALPrevalence: 20, moderatePALPrevalence: 80, intensePALPrevalence: 0 }))).toBe(2906);
   });
   it('Mujeres de 8 años', () => {
-    expect(Math.round(sum.calculateTEE({
-      age: AgeBracket.a8, sex: Sex.Female, medianWeight: 26.7, population: 9,
+    expect(Math.round(ERCalculator.calculateTEE({
+      age: age.a8, sex: sex.Female, medianWeight: 26.7, population: 9,
     }, [263.4, 65.3, -0.454, 20, -15, 15],
     { lowPALPrevalence: 11, moderatePALPrevalence: 89, intensePALPrevalence: 0 }))).toBe(1655);
   });
   it('Varones de 17 años', () => {
-    expect(Math.round(sum.calculateTEE({
-      age: AgeBracket.a17, sex: Sex.Male, medianWeight: 66.1, population: 18,
+    expect(Math.round(ERCalculator.calculateTEE({
+      age: age.a17, sex: sex.Male, medianWeight: 66.1, population: 18,
     }, [310.2, 63.3, -0.263, 14, -15, 15],
     { lowPALPrevalence: 25, moderatePALPrevalence: 25, intensePALPrevalence: 50 }))).toBe(3471);
   });
@@ -31,18 +31,18 @@ describe('Verificar si funciona el cálculo del GET (entre 6 y 17 años)', () =>
 
 describe('Verificar si funciona el cálculo del TMB (mayores a 18 años)', () => {
   it('Varones de 18-29 años', () => {
-    expect(Math.round(sum.calculateBMR({
-      age: AgeBracket.a18_29, sex: Sex.Male, medianWeight: 73.1, population: 13,
+    expect(Math.round(ERCalculator.calculateBMR({
+      age: age.a18_29, sex: sex.Male, medianWeight: 73.1, population: 13,
     }, [15.057, 692.2, 1.95, 1.65, 1.85, 1.55]))).toBe(1793);
   });
   it('Mujeres de 30-59 años', () => {
-    expect(Math.round(sum.calculateBMR({
-      age: AgeBracket.a30_59, sex: Sex.Female, medianWeight: 63.8, population: 21,
+    expect(Math.round(ERCalculator.calculateBMR({
+      age: age.a30_59, sex: sex.Female, medianWeight: 63.8, population: 21,
     }, [8.126, 845.6, 1.95, 1.65, 1.85, 1.55, 208, 251]))).toBe(1364);
   });
   it('Varones de 60+ años', () => {
-    expect(Math.round(sum.calculateBMR({
-      age: AgeBracket.a60, sex: Sex.Male, medianWeight: 66.1, population: 11,
+    expect(Math.round(ERCalculator.calculateBMR({
+      age: age.a60, sex: sex.Male, medianWeight: 66.1, population: 11,
     }, [11.711, 587.7, 1.95, 1.65, 1.85, 1.55]))).toBe(1362);
   });
 });

package.json

@@ -19,6 +19,9 @@
     "yamljs": "^0.3.0"
   },
   "devDependencies": {
+    "@babel/plugin-transform-modules-commonjs": "^7.15.4",
+    "@babel/preset-env": "^7.15.6",
+    "@babel/preset-typescript": "^7.15.0",
     "@types/cors": "^2.8.12",
     "@types/express": "^4.17.13",
     "@types/jest": "^27.0.2",
@@ -48,7 +51,7 @@
   "scripts": {
     "start": "nodemon ./src/index.ts",
     "test": "jest",
-    "pretest": "./node_modules/.bin/eslint --ignore-path .gitignore . --fix"
+    "pretest": "lint-staged"
   },
   "repository": {
     "type": "git",

src/Services/ERCalculator.ts

@@ -299,4 +299,20 @@ const calculateER = (groupParameters: Map<number[], AgeGroup>, data: ExtraData):
   return result;
 };
 
+module.exports = {
+  calculateER,
+  calculate60PlusYears,
+  calculate30To59Years,
+  calculate18To29Years,
+  calculate6To17Years,
+  calculate1To5Years,
+  calculateLessThanAYear,
+  calculateERWomenPopulation,
+  calculateERWomenIndividual,
+  calculatePAL,
+  calculateBMR,
+  calculateTEE,
+  isIndividualMaternity,
+};
+
 export default { calculateER };