Method hasIcon

packages/blockly/core/block.ts:2435–2437

* @returns True if an icon with the given type exists on the block, * false otherwise.

(type: IconType<IIcon>)

   *     false otherwise.
   */
  hasIcon(type: IconType<IIcon>): boolean {
    return this.icons.some((icon) => icon.getType().equals(type));
  }

  /**
   * @param type The type of the icon to retrieve. Prefer passing an `IconType`