mobx-bonsai/src/node/tree/ParentPath.ts

A fast lightweight alternative to MobX-State-Tree + Y.js two-way binding

import { PathElement } from "./pathTypes"

/**
 * Path from an object to its immediate parent.
 *
 * @template T Parent object type.
 */
export interface ParentPath<T extends object> {
  /**
   * Parent object.
   */
  readonly parent: T
  /**
   * Property name (if the parent is an object) or index number (if the parent is an array).
   */
  readonly path: PathElement
}