Patterns · medium

37. Dependency Injector

Basic container to store and retrieve services.

Implement `register(name, service)` and `get(name)`.

Required in your answer: new Map()setget

Runs in a sandboxed worker

class Container {
  services = new Map();
  register(n, s) { this.services.set(n, s); }
  get(n) { return this.services.get(n); }
}

Output appears here.