@infinite-canvas-tutorial/webcomponents/esm/history/Change.d.ts

WebComponents UI implementation

/**
 * Borrow from https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/change.ts#L399
 */
/**
 * Encapsulates the modifications captured as `Delta`/s.
 */
export interface Change<T> {
    /**
     * Inverses the `Delta`s inside while creating a new `Change`.
     */
    inverse(): Change<T>;
    /**
     * Applies the `Change` to the previous object.
     *
     * @returns a tuple of the next object `T` with applied change, and `boolean`, indicating whether the applied change resulted in a visible change.
     */
    applyTo(previous: T, ...options: unknown[]): [T, boolean];
    /**
     * Checks whether there are actually `Delta`s.
     */
    isEmpty(): boolean;
}