Added: Structural/Brigde pattern for Typescript

Structural/Bridge/typescript/bridge.ts

@@ -0,0 +1,46 @@
+interface Implementation {
+  operationImplementation(): string;
+}
+
+class Abstraction {
+  protected implementation: Implementation;
+
+  constructor(implementation: Implementation) {
+    this.implementation = implementation;
+  }
+
+  public operation(): string {
+    const result = this.implementation.operationImplementation();
+    return `Abstraction: Base operation with:\n${result}`;
+  }
+}
+
+class ExtendedAbstraction extends Abstraction {
+  public operation(): string {
+    const result = this.implementation.operationImplementation();
+    return `ExtendedAbstraction: Extended operation with:\n${result}`;
+  }
+}
+
+class ConcreteImplementationA implements Implementation {
+  public operationImplementation(): string {
+    return "ConcreteImplementationA: Here's the result on the platform A";
+  }
+}
+
+class ConcreteImplementationB implements Implementation {
+  public operationImplementation(): string {
+    return "ConcreteImplementationB: Here's the result on the platform B";
+  }
+}
+
+let implementation = new ConcreteImplementationA();
+let abstraction = new Abstraction(implementation);
+
+console.log(abstraction.operation());
+console.log("");
+
+implementation = new ConcreteImplementationB();
+abstraction = new ExtendedAbstraction(implementation);
+
+console.log(abstraction.operation());