feat: remove dead code and redundant operations for better readability

Author: Grajales-K

Sprint-3/3-dead-code/exercise-2.js

@@ -1,28 +1,48 @@
 // Remove the unused code that does not contribute to the final console log
 // The countAndCapitalisePets function should continue to work for any reasonable input it's given, and you shouldn't modify the pets variable.
 
+// const pets = ["parrot", "hamster", "horse", "dog", "hamster", "cat", "hamster"];
+// const capitalisedPets = pets.map((pet) => pet.toUpperCase());
+// const petsStartingWithH = pets.filter((pet) => pet[0] === "h");
+
+// function logPets(petsArr) {
+//   petsArr.forEach((pet) => console.log(pet));
+// }
+
+// function countAndCapitalisePets(petsArr) {
+//   const petCount = {};
+
+//   petsArr.forEach((pet) => {
+//     const capitalisedPet = pet.toUpperCase();
+//     if (petCount[capitalisedPet]) {
+//       petCount[capitalisedPet] += 1;
+//     } else {
+//       petCount[capitalisedPet] = 1;
+//     }
+//   });
+//   return petCount;
+// }
+
+// const countedPetsStartingWithH = countAndCapitalisePets(petsStartingWithH);
+
+// console.log(countedPetsStartingWithH); // { 'HAMSTER': 3, 'HORSE': 1 } <- Final console log
+
+
+
+
 const pets = ["parrot", "hamster", "horse", "dog", "hamster", "cat", "hamster"];
-const capitalisedPets = pets.map((pet) => pet.toUpperCase());
 const petsStartingWithH = pets.filter((pet) => pet[0] === "h");
 
-function logPets(petsArr) {
-  petsArr.forEach((pet) => console.log(pet));
-}
-
-function countAndCapitalisePets(petsArr) {
+function countPets(pets) {
   const petCount = {};
 
-  petsArr.forEach((pet) => {
+  pets.forEach((pet) => {
     const capitalisedPet = pet.toUpperCase();
-    if (petCount[capitalisedPet]) {
-      petCount[capitalisedPet] += 1;
-    } else {
-      petCount[capitalisedPet] = 1;
-    }
+    petCount[capitalisedPet] = (petCount[capitalisedPet] || 0) + 1;
   });
-  return petCount;
+
+  return petCount ;
 }
 
-const countedPetsStartingWithH = countAndCapitalisePets(petsStartingWithH);
 
-console.log(countedPetsStartingWithH); // { 'HAMSTER': 3, 'HORSE': 1 } <- Final console log
+console.log(countPets(petsStartingWithH)); // { 'HAMSTER': 3, 'HORSE': 1 } <- Final console log