Method addHandler

packages/dnd-core/src/HandlerRegistry.js:90–96

(role, type, handler)

  }

  addHandler(role, type, handler) {
    const id = getNextHandlerId(role);
    this.types[id] = type;
    this.handlers[id] = handler;

    return id;
  }

  containsHandler(handler) {
    return Object.keys(this.handlers).some(key => this.handlers[key] === handler);