Merge pull request mouredev#7599 from 1Nonamed/solutions-nonamed

#3 - JavaScript

Author: kontroldev

Roadmap/03 - ESTRUCTURAS DE DATOS/javascript/1Nonamed.js

@@ -0,0 +1,165 @@
+// DATA STRUCTURES
+
+console.log("----- ARRAYS -----");
+const fruitsArr = ["Banana", "Pear", "Apple", "Apricot", "Banana"];
+console.log("Fruits:", fruitsArr, "\n");
+
+console.log("Array length:", fruitsArr.length);
+
+// Acceder a las posiciones de un Array
+console.log("fruitsArr[2] =>", fruitsArr[2]);
+console.log("fruitsArr[3] =>", fruitsArr[3]);
+
+console.log("\nMétodos de los Arrays:");
+
+// Push -- Añadir (Modifica el array original)
+fruitsArr.push(["Pear", "Apple"]);
+console.log("- Push =>", fruitsArr);
+
+// Unshift
+fruitsArr.unshift("Watermelon");
+console.log("- Unshift =>", fruitsArr);
+
+// Filter
+const bananasArr = fruitsArr.filter((fruit) => fruit === "Banana");
+console.log("- Filter =>", bananasArr);
+
+// Find
+const foundFruit = fruitsArr.find((fruit) => fruit.startsWith("Apr"));
+console.log("- Find =>", foundFruit);
+
+// Sort
+const numbers = [2, 3, 10, 2, 4];
+console.log(
+  "- Sort =>",
+  numbers.sort((a, b) => a - b)
+);
+
+// Splice
+console.log("- Splice =>", fruitsArr.splice(1, fruitsArr.length));
+
+// Reverse
+console.log("- Reverse =>", fruitsArr.reverse());
+
+// Flat
+console.log("- Flat =>", fruitsArr.flat());
+
+console.log("----- OBJECTS -----");
+const person = {
+  id: 15,
+  name: "Marcos",
+  age: 20,
+  knowledge: {
+    javascript: false,
+    go: false,
+  },
+};
+console.log("Person: ", person);
+
+person.name = "Lucas";
+person.knowledge = { ...person.knowledge, python: true };
+
+console.log("\nModified Person Obj: ", person);
+
+console.log("----- MAPS -----");
+// The Map object holds key-value pairs and remembers the original insertion order of the keys. Any value (both objects and primitive values) may be used as either a key or a value.
+
+const people = new Map();
+people.set("Poncho", { phone: "2347651029" });
+people.set("Vicky", { phone: "2347654449", address: "9 Fow Ave" });
+
+console.log(people);
+
+// Extra Challenge
+// Agenda de Contactos
+import * as readline from "node:readline/promises";
+import { stdin as input, stdout as output } from "node:process";
+import { SERVFAIL } from "node:dns";
+const rl = readline.createInterface({ input, output });
+
+const contacts = [
+  { id: 1, name: "Juan", phone: 1234560987 },
+  { id: 1, name: "Pedro", phone: 1234560987 },
+];
+
+const ops = [
+  { id: 1, name: "Search" },
+  { id: 2, name: "Add" },
+  { id: 3, name: "Update" },
+  { id: 4, name: "Delete" },
+];
+
+const searchContact = async () => {
+  console.log(`
+    *****************************************************
+    *                  SEARCH CONTACT                   *
+    *****************************************************
+    `);
+  const contactInput = await rl.question("Contact name? ");
+
+  const contact = contacts.find((contact) => {
+    return contact.name === contactInput;
+  });
+
+  if (!contact) {
+    console.log("Contact not found, please try again");
+    searchContact();
+  } else {
+    console.log(contact);
+  }
+
+  agenda();
+};
+
+const addContact = () => {
+  console.log("Add");
+};
+const updateContact = () => {
+  console.log("Update");
+};
+const deleteContact = () => {
+  console.log("Delete");
+};
+
+async function agenda() {
+  const op = await rl.question(
+    `
+    *****************************************************
+    *                        AGENDA                     *
+    *****************************************************
+    *                                                   * 
+    * What do you want to do today?                     *
+    *                                                   *
+    * 1: Search Contact                                 *
+    * 2: Add Contact                                    *
+    * 3: Update Contact                                 *
+    * 4: Delete Contact                                 *
+    *                                                   *
+    * 0: Exit program                                   *
+    *****************************************************
+    
+    * Insert the operation number or 0 to exit: `
+  );
+  switch (+op) {
+    case 1:
+      searchContact();
+      break;
+    case 2:
+      addContact();
+      break;
+    case 3:
+      updateContact();
+      break;
+    case 4:
+      deleteContact();
+      break;
+    case 0:
+      rl.close();
+      break;
+    default:
+      console.log("Operation not valid");
+      break;
+  }
+}
+
+agenda();