blockly/core/interfaces/i_selectable.ts

/**
 * @license
 * Copyright 2019 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */

// Former goog.module ID: Blockly.ISelectable

import type {Workspace} from '../workspace.js';

/**
 * The interface for an object that is selectable.
 */
export interface ISelectable {
  id: string;

  workspace: Workspace;

  /** Select this.  Highlight it visually. */
  select(): void;

  /** Unselect this.  Unhighlight it visually. */
  unselect(): void;
}

/** Checks whether the given object is an ISelectable. */
export function isSelectable(obj: object): obj is ISelectable {
  return (
    typeof (obj as any).id === 'string' &&
    (obj as any).workspace !== undefined &&
    (obj as any).select !== undefined &&
    (obj as any).unselect !== undefined
  );
}