foundation-utils.objectvisitor

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ObjectVisitor interface

This API is provided as a beta preview for developers and may change based on feedback that we receive. Do not use this API in a production environment.

Signature:

export interface ObjectVisitor<TVisitorData> 

Example

Reactive visitor example.

const makeObserverVisitor: ObjectVisitor<undefined> = {
  visitObject: noop,
  visitArray: noop,
  visitProperty(object: any, propertyName: string, value: any): void {
    Reflect.defineProperty(object, propertyName, {
      enumerable: true,
      get() {
        Observable.track(object, propertyName);
        return value;
      },
      set(newValue: any) {
        if (value !== newValue) {
          value = newValue;
          Observable.notify(object, propertyName);
        }
      },
    });
  },
};

Methods

Method	Description
visitArray(array, data)	(BETA)
visitObject(object, data)	(BETA)
visitProperty(object, key, value, data)	(BETA)