Method saveInitial

src/gridstack-engine.ts:679–686

* Save the initial position/size of all nodes to track real dirty state. * This creates a snapshot of current positions that can be restored later. * * Note: Should be called right after change events and before move/resize operations. * * @returns the engine instance for chaining

()

   * @internal
   */
  public saveInitial(): GridStackEngine {
    this.nodes.forEach(n => {
      n._orig = Utils.copyPos({}, n);
      delete n._dirty;
    });
    this._hasLocked = this.nodes.some(n => n.locked);
    return this;
  }

  /**
   * Restore all nodes back to their initial values.