Method getInputTargetBlock

packages/blockly/core/block.ts:2325–2328

* Fetches the block attached to the named input. * * @param name The name of the input. * @returns The attached value block, or null if the input is either * disconnected or if the input does not exist.

(name: string)

   *     disconnected or if the input does not exist.
   */
  getInputTargetBlock(name: string): Block | null {
    const input = this.getInput(name);
    return input && input.connection && input.connection.targetBlock();
  }

  /**
   * Returns the comment on this block (or null if there is no comment).