#09 - TypeScript

Roadmap/09 - HERENCIA/typescript/FrancoKaddour.ts

@@ -0,0 +1,111 @@
+// https://www.typescriptlang.org/
+
+// Herencia básica
+class Animal {
+  name: string;
+
+  constructor(name: string) {
+    this.name = name;
+  }
+
+  makeSound(): void {
+    console.log(`${this.name} hace un sonido`);
+  }
+}
+
+class Dog extends Animal {
+  makeSound(): void {
+    console.log(`${this.name} dice: guau`);
+  }
+}
+
+class Cat extends Animal {
+  makeSound(): void {
+    console.log(`${this.name} dice: miau`);
+  }
+}
+
+function printSound(animal: Animal): void {
+  animal.makeSound();
+}
+
+printSound(new Dog("Rex"));
+printSound(new Cat("Whiskers"));
+printSound(new Animal("Animal genérico"));
+
+// Dificultad extra: jerarquía de empresa
+
+class Employee {
+  id: number;
+  name: string;
+  subordinates: Employee[] = [];
+
+  constructor(id: number, name: string) {
+    this.id = id;
+    this.name = name;
+  }
+
+  addSubordinate(employee: Employee): void {
+    this.subordinates.push(employee);
+  }
+
+  display(): void {
+    console.log(`[${this.id}] ${this.name}`);
+  }
+}
+
+class Manager extends Employee {
+  department: string;
+
+  constructor(id: number, name: string, department: string) {
+    super(id, name);
+    this.department = department;
+  }
+
+  display(): void {
+    console.log(`[${this.id}] Manager: ${this.name} (Dpto: ${this.department})`);
+  }
+}
+
+class ProjectManager extends Employee {
+  project: string;
+
+  constructor(id: number, name: string, project: string) {
+    super(id, name);
+    this.project = project;
+  }
+
+  display(): void {
+    console.log(`[${this.id}] Project Manager: ${this.name} (Proyecto: ${this.project})`);
+  }
+}
+
+class Programmer extends Employee {
+  language: string;
+
+  constructor(id: number, name: string, language: string) {
+    super(id, name);
+    this.language = language;
+  }
+
+  display(): void {
+    console.log(`[${this.id}] Programmer: ${this.name} (${this.language})`);
+  }
+}
+
+const cto = new Manager(1, "Sara", "Engineering");
+const pm = new ProjectManager(2, "Luis", "Plataforma v2");
+const dev1 = new Programmer(3, "Ana", "TypeScript");
+const dev2 = new Programmer(4, "Marcos", "Python");
+
+pm.addSubordinate(dev1);
+pm.addSubordinate(dev2);
+cto.addSubordinate(pm);
+
+cto.display();
+for (const sub of cto.subordinates) {
+  sub.display();
+  for (const inner of sub.subordinates) {
+    inner.display();
+  }
+}